/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 21:25:28,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 21:25:28,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 21:25:28,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 21:25:28,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 21:25:28,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 21:25:28,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 21:25:28,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 21:25:28,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 21:25:28,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 21:25:28,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 21:25:28,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 21:25:28,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 21:25:28,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 21:25:28,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 21:25:28,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 21:25:28,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 21:25:28,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 21:25:28,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 21:25:28,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 21:25:28,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 21:25:28,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 21:25:28,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 21:25:28,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 21:25:28,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 21:25:28,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 21:25:28,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 21:25:28,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 21:25:28,512 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.epf [2022-02-10 21:25:28,537 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 21:25:28,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 21:25:28,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 21:25:28,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 21:25:28,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 21:25:28,538 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 21:25:28,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 21:25:28,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 21:25:28,539 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 21:25:28,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 21:25:28,539 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 21:25:28,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 21:25:28,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 21:25:28,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 21:25:28,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 21:25:28,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 21:25:28,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 21:25:28,540 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 21:25:28,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 21:25:28,541 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 21:25:28,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 21:25:28,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 21:25:28,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 21:25:28,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 21:25:28,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 21:25:28,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:25:28,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 21:25:28,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 21:25:28,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 21:25:28,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 21:25:28,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 21:25:28,542 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 21:25:28,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 21:25:28,542 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 21:25:28,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 21:25:28,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 21:25:28,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 21:25:28,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 21:25:28,779 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 21:25:28,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2022-02-10 21:25:28,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75f2b5dab/7ea1000b61f64ff3972a12b0461e1c95/FLAG0a2011373 [2022-02-10 21:25:29,241 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 21:25:29,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2022-02-10 21:25:29,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75f2b5dab/7ea1000b61f64ff3972a12b0461e1c95/FLAG0a2011373 [2022-02-10 21:25:29,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75f2b5dab/7ea1000b61f64ff3972a12b0461e1c95 [2022-02-10 21:25:29,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 21:25:29,571 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 21:25:29,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 21:25:29,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 21:25:29,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 21:25:29,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:25:29" (1/1) ... [2022-02-10 21:25:29,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67293119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29, skipping insertion in model container [2022-02-10 21:25:29,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:25:29" (1/1) ... [2022-02-10 21:25:29,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 21:25:29,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 21:25:29,843 WARN L230 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] [2022-02-10 21:25:29,846 WARN L230 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] [2022-02-10 21:25:29,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:25:29,866 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 21:25:29,916 WARN L230 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] [2022-02-10 21:25:29,917 WARN L230 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] [2022-02-10 21:25:29,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:25:29,959 INFO L208 MainTranslator]: Completed translation [2022-02-10 21:25:29,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29 WrapperNode [2022-02-10 21:25:29,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 21:25:29,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 21:25:29,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 21:25:29,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 21:25:29,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29" (1/1) ... [2022-02-10 21:25:29,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29" (1/1) ... [2022-02-10 21:25:30,023 INFO L137 Inliner]: procedures = 177, calls = 54, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 270 [2022-02-10 21:25:30,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 21:25:30,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 21:25:30,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 21:25:30,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 21:25:30,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29" (1/1) ... [2022-02-10 21:25:30,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29" (1/1) ... [2022-02-10 21:25:30,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29" (1/1) ... [2022-02-10 21:25:30,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29" (1/1) ... [2022-02-10 21:25:30,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29" (1/1) ... [2022-02-10 21:25:30,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29" (1/1) ... [2022-02-10 21:25:30,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29" (1/1) ... [2022-02-10 21:25:30,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 21:25:30,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 21:25:30,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 21:25:30,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 21:25:30,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29" (1/1) ... [2022-02-10 21:25:30,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:25:30,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 21:25:30,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 21:25:30,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 21:25:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2022-02-10 21:25:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2022-02-10 21:25:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2022-02-10 21:25:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2022-02-10 21:25:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 21:25:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 21:25:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2022-02-10 21:25:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2022-02-10 21:25:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 21:25:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 21:25:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 21:25:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 21:25:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 21:25:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 21:25:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 21:25:30,155 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 21:25:30,254 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 21:25:30,255 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 21:25:30,556 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 21:25:30,646 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 21:25:30,646 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-10 21:25:30,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:25:30 BoogieIcfgContainer [2022-02-10 21:25:30,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 21:25:30,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 21:25:30,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 21:25:30,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 21:25:30,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 09:25:29" (1/3) ... [2022-02-10 21:25:30,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315de48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:25:30, skipping insertion in model container [2022-02-10 21:25:30,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:29" (2/3) ... [2022-02-10 21:25:30,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315de48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:25:30, skipping insertion in model container [2022-02-10 21:25:30,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:25:30" (3/3) ... [2022-02-10 21:25:30,653 INFO L112 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2022-02-10 21:25:30,657 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 21:25:30,657 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 21:25:30,657 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-10 21:25:30,657 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 21:25:30,694 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,695 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,695 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,695 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,695 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,695 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,695 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,695 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,696 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,696 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,696 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,696 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,696 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,696 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,697 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,697 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,697 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,697 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,697 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,697 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,697 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,698 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,698 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,698 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,700 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,700 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,700 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,700 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,700 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,700 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,700 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,700 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,701 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,701 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,701 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,701 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,701 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,701 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,701 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,701 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,701 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,701 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,702 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,702 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,702 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,702 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,702 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,702 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,702 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,703 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,703 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,704 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,704 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,704 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,704 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,704 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,704 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,704 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,704 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,704 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,704 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,705 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,705 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,715 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,718 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,718 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,718 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,719 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,719 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,719 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,719 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,720 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,720 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,720 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,720 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,720 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,720 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,720 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,721 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,721 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,721 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,721 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,722 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,723 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,724 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,726 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,726 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,726 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,726 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,727 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,727 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,727 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,727 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,727 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,728 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,728 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,728 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,728 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,728 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,728 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,729 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,729 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,729 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,729 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,729 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,729 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,730 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,730 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,730 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,730 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,730 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,730 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,730 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,730 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,731 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,731 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,731 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,731 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,731 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,732 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,733 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,733 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,733 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,733 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,733 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,734 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,734 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,734 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,734 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,734 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,734 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,734 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,734 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,734 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,734 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,735 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,735 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,735 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,735 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,735 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,736 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,736 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,736 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,736 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,736 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,736 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,736 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,736 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,737 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,737 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,737 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,737 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,737 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,738 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,738 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,738 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,738 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,738 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,738 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,738 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,738 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,739 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,739 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,739 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,739 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,739 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,739 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,739 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,739 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,739 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,739 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,739 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,740 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,740 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,740 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,740 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,740 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,740 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,740 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,740 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,740 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,740 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,740 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,740 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,741 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,741 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,741 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,741 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,741 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,741 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,741 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,742 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,742 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,742 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,742 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,742 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,742 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,742 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,742 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,742 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,742 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,743 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,743 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,743 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,743 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,743 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,743 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,743 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,743 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,744 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,744 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,744 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,744 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,744 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,744 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,745 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,745 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,745 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,745 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,745 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,745 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,745 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,746 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,746 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,746 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,746 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,746 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,746 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,746 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,746 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,746 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,747 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,747 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,747 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,747 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,749 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,749 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,749 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,749 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,749 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,750 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,750 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,750 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,750 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,751 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,751 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,751 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,751 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,751 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,751 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,751 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,752 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,752 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,752 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,752 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,752 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,752 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,752 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,752 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,753 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,753 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,753 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,753 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,753 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,754 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,754 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,754 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,754 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,754 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,754 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,754 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,754 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,754 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,754 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,754 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,755 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,755 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,755 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,755 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,755 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,755 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,755 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,755 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,756 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,756 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,756 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,756 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,756 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,757 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,757 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,757 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,758 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,758 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,758 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,758 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,758 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,758 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,758 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,758 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,758 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,759 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,759 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,760 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,760 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,760 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,760 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,760 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,760 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,760 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,760 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,760 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,760 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,761 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,761 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,761 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,761 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,761 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,761 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,762 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,763 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,763 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,763 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,763 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,763 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,763 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,763 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,763 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,763 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,763 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,764 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,764 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,764 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,764 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,764 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,764 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,764 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,764 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,764 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,765 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,765 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,765 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,765 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,765 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,767 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,771 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,771 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,771 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,771 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,771 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,771 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,772 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,772 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,776 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,776 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,777 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,777 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,777 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,777 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,777 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,777 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,777 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,777 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,777 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,778 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,778 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,778 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,778 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,778 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,778 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,778 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,778 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,778 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,778 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,778 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,778 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,779 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,779 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,779 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,779 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,779 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,779 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,779 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,779 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,779 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,779 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,779 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,779 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,780 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,780 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,781 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,782 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,782 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,782 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,782 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,782 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,782 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,783 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,783 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,783 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,783 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,783 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,783 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,783 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,783 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,783 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,783 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,784 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,784 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,784 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,784 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,784 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,784 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,784 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:30,787 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-10 21:25:30,834 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 21:25:30,838 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 21:25:30,838 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-10 21:25:30,853 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 175 places, 183 transitions, 390 flow [2022-02-10 21:25:33,428 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 89028 states, 89026 states have (on average 4.159200682946555) internal successors, (370277), 89027 states have internal predecessors, (370277), 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) [2022-02-10 21:25:33,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 89028 states, 89026 states have (on average 4.159200682946555) internal successors, (370277), 89027 states have internal predecessors, (370277), 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) [2022-02-10 21:25:33,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-02-10 21:25:33,679 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:25:33,682 INFO L515 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] [2022-02-10 21:25:33,683 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:25:33,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:25:33,687 INFO L85 PathProgramCache]: Analyzing trace with hash -707274187, now seen corresponding path program 1 times [2022-02-10 21:25:33,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:25:33,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575066708] [2022-02-10 21:25:33,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:25:33,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:25:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:25:34,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:25:34,081 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:25:34,082 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575066708] [2022-02-10 21:25:34,082 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575066708] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:25:34,082 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:25:34,082 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 21:25:34,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295619935] [2022-02-10 21:25:34,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:25:34,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:25:34,087 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:25:34,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:25:34,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:25:34,250 INFO L87 Difference]: Start difference. First operand has 89028 states, 89026 states have (on average 4.159200682946555) internal successors, (370277), 89027 states have internal predecessors, (370277), 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 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2022-02-10 21:25:36,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:25:36,178 INFO L93 Difference]: Finished difference Result 102332 states and 398636 transitions. [2022-02-10 21:25:36,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:25:36,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 59 [2022-02-10 21:25:36,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:25:37,216 INFO L225 Difference]: With dead ends: 102332 [2022-02-10 21:25:37,216 INFO L226 Difference]: Without dead ends: 102332 [2022-02-10 21:25:37,218 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:25:37,224 INFO L934 BasicCegarLoop]: 184 mSDtfsCounter, 83 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:25:37,226 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 285 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:25:37,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102332 states. [2022-02-10 21:25:40,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102332 to 90691. [2022-02-10 21:25:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90691 states, 90689 states have (on average 3.9239158001521686) internal successors, (355856), 90690 states have internal predecessors, (355856), 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) [2022-02-10 21:25:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90691 states to 90691 states and 355856 transitions. [2022-02-10 21:25:41,599 INFO L78 Accepts]: Start accepts. Automaton has 90691 states and 355856 transitions. Word has length 59 [2022-02-10 21:25:41,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:25:41,601 INFO L470 AbstractCegarLoop]: Abstraction has 90691 states and 355856 transitions. [2022-02-10 21:25:41,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2022-02-10 21:25:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 90691 states and 355856 transitions. [2022-02-10 21:25:41,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-10 21:25:41,652 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:25:41,652 INFO L515 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] [2022-02-10 21:25:41,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 21:25:41,653 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:25:41,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:25:41,655 INFO L85 PathProgramCache]: Analyzing trace with hash -234050775, now seen corresponding path program 1 times [2022-02-10 21:25:41,655 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:25:41,656 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359915822] [2022-02-10 21:25:41,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:25:41,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:25:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:25:41,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:25:41,801 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:25:41,802 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359915822] [2022-02-10 21:25:41,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359915822] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:25:41,802 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:25:41,802 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 21:25:41,802 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832348462] [2022-02-10 21:25:41,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:25:41,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:25:41,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:25:41,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:25:41,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:25:41,807 INFO L87 Difference]: Start difference. First operand 90691 states and 355856 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 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) [2022-02-10 21:25:42,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:25:42,651 INFO L93 Difference]: Finished difference Result 89491 states and 351136 transitions. [2022-02-10 21:25:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:25:42,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2022-02-10 21:25:42,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:25:43,571 INFO L225 Difference]: With dead ends: 89491 [2022-02-10 21:25:43,571 INFO L226 Difference]: Without dead ends: 89491 [2022-02-10 21:25:43,573 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:25:43,573 INFO L934 BasicCegarLoop]: 139 mSDtfsCounter, 79 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:25:43,574 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 242 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:25:43,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89491 states. [2022-02-10 21:25:46,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89491 to 89491. [2022-02-10 21:25:46,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89491 states, 89489 states have (on average 3.923789516029903) internal successors, (351136), 89490 states have internal predecessors, (351136), 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) [2022-02-10 21:25:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89491 states to 89491 states and 351136 transitions. [2022-02-10 21:25:47,253 INFO L78 Accepts]: Start accepts. Automaton has 89491 states and 351136 transitions. Word has length 64 [2022-02-10 21:25:47,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:25:47,254 INFO L470 AbstractCegarLoop]: Abstraction has 89491 states and 351136 transitions. [2022-02-10 21:25:47,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 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) [2022-02-10 21:25:47,254 INFO L276 IsEmpty]: Start isEmpty. Operand 89491 states and 351136 transitions. [2022-02-10 21:25:47,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-10 21:25:47,313 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:25:47,313 INFO L515 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] [2022-02-10 21:25:47,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 21:25:47,314 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:25:47,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:25:47,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1873848571, now seen corresponding path program 1 times [2022-02-10 21:25:47,314 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:25:47,314 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260555364] [2022-02-10 21:25:47,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:25:47,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:25:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:25:47,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:25:47,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:25:47,412 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260555364] [2022-02-10 21:25:47,412 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260555364] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:25:47,412 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:25:47,412 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-10 21:25:47,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399986354] [2022-02-10 21:25:47,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:25:47,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 21:25:47,413 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:25:47,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 21:25:47,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 21:25:47,414 INFO L87 Difference]: Start difference. First operand 89491 states and 351136 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 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) [2022-02-10 21:25:48,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:25:48,740 INFO L93 Difference]: Finished difference Result 107174 states and 416544 transitions. [2022-02-10 21:25:48,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 21:25:48,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 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 67 [2022-02-10 21:25:48,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:25:49,435 INFO L225 Difference]: With dead ends: 107174 [2022-02-10 21:25:49,435 INFO L226 Difference]: Without dead ends: 102185 [2022-02-10 21:25:49,437 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:25:49,438 INFO L934 BasicCegarLoop]: 217 mSDtfsCounter, 326 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:25:49,439 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [326 Valid, 712 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:25:49,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102185 states. [2022-02-10 21:25:52,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102185 to 102067. [2022-02-10 21:25:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102067 states, 102065 states have (on average 3.891951207563807) internal successors, (397232), 102066 states have internal predecessors, (397232), 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) [2022-02-10 21:25:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102067 states to 102067 states and 397232 transitions. [2022-02-10 21:25:53,795 INFO L78 Accepts]: Start accepts. Automaton has 102067 states and 397232 transitions. Word has length 67 [2022-02-10 21:25:53,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:25:53,796 INFO L470 AbstractCegarLoop]: Abstraction has 102067 states and 397232 transitions. [2022-02-10 21:25:53,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 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) [2022-02-10 21:25:53,796 INFO L276 IsEmpty]: Start isEmpty. Operand 102067 states and 397232 transitions. [2022-02-10 21:25:53,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-10 21:25:53,924 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:25:53,924 INFO L515 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] [2022-02-10 21:25:53,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 21:25:53,925 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:25:53,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:25:53,925 INFO L85 PathProgramCache]: Analyzing trace with hash 770716637, now seen corresponding path program 1 times [2022-02-10 21:25:53,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:25:53,925 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657819047] [2022-02-10 21:25:53,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:25:53,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:25:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:25:54,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:25:54,055 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:25:54,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657819047] [2022-02-10 21:25:54,056 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657819047] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:25:54,056 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:25:54,056 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 21:25:54,056 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735757569] [2022-02-10 21:25:54,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:25:54,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 21:25:54,056 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:25:54,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 21:25:54,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 21:25:54,057 INFO L87 Difference]: Start difference. First operand 102067 states and 397232 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 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) [2022-02-10 21:25:55,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:25:55,175 INFO L93 Difference]: Finished difference Result 110163 states and 421698 transitions. [2022-02-10 21:25:55,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-10 21:25:55,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 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 73 [2022-02-10 21:25:55,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:25:56,036 INFO L225 Difference]: With dead ends: 110163 [2022-02-10 21:25:56,036 INFO L226 Difference]: Without dead ends: 110131 [2022-02-10 21:25:56,036 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:25:56,042 INFO L934 BasicCegarLoop]: 264 mSDtfsCounter, 407 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:25:56,048 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 771 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:25:56,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110131 states. [2022-02-10 21:25:59,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110131 to 106563. [2022-02-10 21:25:59,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106563 states, 106561 states have (on average 3.8292621127804733) internal successors, (408050), 106562 states have internal predecessors, (408050), 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) [2022-02-10 21:26:00,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106563 states to 106563 states and 408050 transitions. [2022-02-10 21:26:00,040 INFO L78 Accepts]: Start accepts. Automaton has 106563 states and 408050 transitions. Word has length 73 [2022-02-10 21:26:00,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:00,041 INFO L470 AbstractCegarLoop]: Abstraction has 106563 states and 408050 transitions. [2022-02-10 21:26:00,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 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) [2022-02-10 21:26:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 106563 states and 408050 transitions. [2022-02-10 21:26:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-10 21:26:00,490 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:00,490 INFO L515 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] [2022-02-10 21:26:00,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 21:26:00,491 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:00,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:00,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1387068515, now seen corresponding path program 1 times [2022-02-10 21:26:00,491 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:00,491 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237723857] [2022-02-10 21:26:00,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:00,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:00,583 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:00,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237723857] [2022-02-10 21:26:00,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237723857] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:00,583 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:00,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 21:26:00,584 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145411168] [2022-02-10 21:26:00,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:00,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 21:26:00,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:00,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 21:26:00,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-10 21:26:00,585 INFO L87 Difference]: Start difference. First operand 106563 states and 408050 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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) [2022-02-10 21:26:01,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:01,768 INFO L93 Difference]: Finished difference Result 113484 states and 431206 transitions. [2022-02-10 21:26:01,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 21:26:01,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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 73 [2022-02-10 21:26:01,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:02,238 INFO L225 Difference]: With dead ends: 113484 [2022-02-10 21:26:02,238 INFO L226 Difference]: Without dead ends: 113484 [2022-02-10 21:26:02,239 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:26:02,239 INFO L934 BasicCegarLoop]: 308 mSDtfsCounter, 517 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:02,239 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [517 Valid, 1144 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:26:02,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113484 states. [2022-02-10 21:26:05,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113484 to 105652. [2022-02-10 21:26:05,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105652 states, 105650 states have (on average 3.823521060104117) internal successors, (403955), 105651 states have internal predecessors, (403955), 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) [2022-02-10 21:26:07,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105652 states to 105652 states and 403955 transitions. [2022-02-10 21:26:07,140 INFO L78 Accepts]: Start accepts. Automaton has 105652 states and 403955 transitions. Word has length 73 [2022-02-10 21:26:07,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:07,140 INFO L470 AbstractCegarLoop]: Abstraction has 105652 states and 403955 transitions. [2022-02-10 21:26:07,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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) [2022-02-10 21:26:07,140 INFO L276 IsEmpty]: Start isEmpty. Operand 105652 states and 403955 transitions. [2022-02-10 21:26:07,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-10 21:26:07,326 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:07,326 INFO L515 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] [2022-02-10 21:26:07,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 21:26:07,327 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:07,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:07,327 INFO L85 PathProgramCache]: Analyzing trace with hash 349066141, now seen corresponding path program 2 times [2022-02-10 21:26:07,327 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:07,327 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660780676] [2022-02-10 21:26:07,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:07,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:07,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:07,402 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:07,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660780676] [2022-02-10 21:26:07,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660780676] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:07,403 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:07,403 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 21:26:07,403 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552364761] [2022-02-10 21:26:07,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:07,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 21:26:07,403 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:07,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 21:26:07,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-10 21:26:07,404 INFO L87 Difference]: Start difference. First operand 105652 states and 403955 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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) [2022-02-10 21:26:08,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:08,864 INFO L93 Difference]: Finished difference Result 113066 states and 429726 transitions. [2022-02-10 21:26:08,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 21:26:08,879 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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 73 [2022-02-10 21:26:08,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:09,388 INFO L225 Difference]: With dead ends: 113066 [2022-02-10 21:26:09,388 INFO L226 Difference]: Without dead ends: 113066 [2022-02-10 21:26:09,388 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-10 21:26:09,389 INFO L934 BasicCegarLoop]: 243 mSDtfsCounter, 365 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:09,389 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 1096 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:26:09,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113066 states. [2022-02-10 21:26:12,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113066 to 104908. [2022-02-10 21:26:12,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104908 states, 104906 states have (on average 3.8235849236459307) internal successors, (401117), 104907 states have internal predecessors, (401117), 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) [2022-02-10 21:26:13,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104908 states to 104908 states and 401117 transitions. [2022-02-10 21:26:13,189 INFO L78 Accepts]: Start accepts. Automaton has 104908 states and 401117 transitions. Word has length 73 [2022-02-10 21:26:13,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:13,190 INFO L470 AbstractCegarLoop]: Abstraction has 104908 states and 401117 transitions. [2022-02-10 21:26:13,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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) [2022-02-10 21:26:13,190 INFO L276 IsEmpty]: Start isEmpty. Operand 104908 states and 401117 transitions. [2022-02-10 21:26:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-10 21:26:13,625 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:13,625 INFO L515 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] [2022-02-10 21:26:13,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 21:26:13,626 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:13,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:13,626 INFO L85 PathProgramCache]: Analyzing trace with hash -2077111725, now seen corresponding path program 3 times [2022-02-10 21:26:13,626 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:13,626 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486685738] [2022-02-10 21:26:13,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:13,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:13,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:13,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486685738] [2022-02-10 21:26:13,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486685738] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:13,756 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:13,756 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 21:26:13,756 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727364234] [2022-02-10 21:26:13,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:13,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 21:26:13,756 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:13,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 21:26:13,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-10 21:26:13,757 INFO L87 Difference]: Start difference. First operand 104908 states and 401117 transitions. Second operand has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 7 states have internal predecessors, (73), 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) [2022-02-10 21:26:14,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:14,946 INFO L93 Difference]: Finished difference Result 128747 states and 486380 transitions. [2022-02-10 21:26:14,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 21:26:14,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 7 states have internal predecessors, (73), 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 73 [2022-02-10 21:26:14,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:15,202 INFO L225 Difference]: With dead ends: 128747 [2022-02-10 21:26:15,202 INFO L226 Difference]: Without dead ends: 55094 [2022-02-10 21:26:15,202 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:26:15,203 INFO L934 BasicCegarLoop]: 288 mSDtfsCounter, 504 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:15,203 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [504 Valid, 1077 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:26:15,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55094 states. [2022-02-10 21:26:16,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55094 to 54622. [2022-02-10 21:26:16,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54622 states, 54620 states have (on average 3.5968509703405345) internal successors, (196460), 54621 states have internal predecessors, (196460), 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) [2022-02-10 21:26:16,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54622 states to 54622 states and 196460 transitions. [2022-02-10 21:26:16,903 INFO L78 Accepts]: Start accepts. Automaton has 54622 states and 196460 transitions. Word has length 73 [2022-02-10 21:26:16,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:16,903 INFO L470 AbstractCegarLoop]: Abstraction has 54622 states and 196460 transitions. [2022-02-10 21:26:16,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 7 states have internal predecessors, (73), 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) [2022-02-10 21:26:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 54622 states and 196460 transitions. [2022-02-10 21:26:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-02-10 21:26:16,951 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:16,951 INFO L515 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] [2022-02-10 21:26:16,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 21:26:16,951 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:16,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:16,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1932022239, now seen corresponding path program 1 times [2022-02-10 21:26:16,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:16,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926970070] [2022-02-10 21:26:16,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:16,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:16,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:16,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926970070] [2022-02-10 21:26:16,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926970070] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:16,984 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:16,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 21:26:16,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149658023] [2022-02-10 21:26:16,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:16,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:26:16,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:16,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:26:16,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:26:16,985 INFO L87 Difference]: Start difference. First operand 54622 states and 196460 transitions. Second operand has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 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) [2022-02-10 21:26:17,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:17,665 INFO L93 Difference]: Finished difference Result 54622 states and 195979 transitions. [2022-02-10 21:26:17,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:26:17,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 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 75 [2022-02-10 21:26:17,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:17,779 INFO L225 Difference]: With dead ends: 54622 [2022-02-10 21:26:17,779 INFO L226 Difference]: Without dead ends: 38833 [2022-02-10 21:26:17,779 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:26:17,780 INFO L934 BasicCegarLoop]: 213 mSDtfsCounter, 87 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:17,780 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 343 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:26:17,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38833 states. [2022-02-10 21:26:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38833 to 34699. [2022-02-10 21:26:18,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34699 states, 34697 states have (on average 3.525376833732023) internal successors, (122320), 34698 states have internal predecessors, (122320), 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) [2022-02-10 21:26:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34699 states to 34699 states and 122320 transitions. [2022-02-10 21:26:19,109 INFO L78 Accepts]: Start accepts. Automaton has 34699 states and 122320 transitions. Word has length 75 [2022-02-10 21:26:19,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:19,109 INFO L470 AbstractCegarLoop]: Abstraction has 34699 states and 122320 transitions. [2022-02-10 21:26:19,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 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) [2022-02-10 21:26:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand 34699 states and 122320 transitions. [2022-02-10 21:26:19,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-10 21:26:19,179 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:19,179 INFO L515 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] [2022-02-10 21:26:19,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 21:26:19,179 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:19,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:19,180 INFO L85 PathProgramCache]: Analyzing trace with hash -703791390, now seen corresponding path program 1 times [2022-02-10 21:26:19,180 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:19,180 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626230573] [2022-02-10 21:26:19,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:19,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:19,208 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:19,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626230573] [2022-02-10 21:26:19,209 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626230573] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:19,209 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:19,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 21:26:19,209 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561080533] [2022-02-10 21:26:19,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:19,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:26:19,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:19,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:26:19,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:26:19,210 INFO L87 Difference]: Start difference. First operand 34699 states and 122320 transitions. Second operand has 3 states, 2 states have (on average 39.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2022-02-10 21:26:19,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:19,404 INFO L93 Difference]: Finished difference Result 34699 states and 121985 transitions. [2022-02-10 21:26:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:26:19,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 39.0) internal successors, (78), 3 states have internal predecessors, (78), 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 78 [2022-02-10 21:26:19,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:19,453 INFO L225 Difference]: With dead ends: 34699 [2022-02-10 21:26:19,454 INFO L226 Difference]: Without dead ends: 19399 [2022-02-10 21:26:19,454 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:26:19,454 INFO L934 BasicCegarLoop]: 208 mSDtfsCounter, 78 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:19,454 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 340 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:26:19,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19399 states. [2022-02-10 21:26:19,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19399 to 18751. [2022-02-10 21:26:19,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18751 states, 18749 states have (on average 3.2407061709957863) internal successors, (60760), 18750 states have internal predecessors, (60760), 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) [2022-02-10 21:26:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18751 states to 18751 states and 60760 transitions. [2022-02-10 21:26:20,002 INFO L78 Accepts]: Start accepts. Automaton has 18751 states and 60760 transitions. Word has length 78 [2022-02-10 21:26:20,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:20,002 INFO L470 AbstractCegarLoop]: Abstraction has 18751 states and 60760 transitions. [2022-02-10 21:26:20,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 39.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2022-02-10 21:26:20,003 INFO L276 IsEmpty]: Start isEmpty. Operand 18751 states and 60760 transitions. [2022-02-10 21:26:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-10 21:26:20,030 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:20,030 INFO L515 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] [2022-02-10 21:26:20,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-10 21:26:20,030 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:20,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:20,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1069736192, now seen corresponding path program 1 times [2022-02-10 21:26:20,031 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:20,031 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940932834] [2022-02-10 21:26:20,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:20,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:20,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:20,062 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:20,062 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940932834] [2022-02-10 21:26:20,062 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940932834] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:20,062 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:20,062 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 21:26:20,062 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315368487] [2022-02-10 21:26:20,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:20,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:26:20,062 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:20,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:26:20,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:26:20,063 INFO L87 Difference]: Start difference. First operand 18751 states and 60760 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2022-02-10 21:26:20,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:20,166 INFO L93 Difference]: Finished difference Result 20716 states and 66202 transitions. [2022-02-10 21:26:20,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:26:20,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 81 [2022-02-10 21:26:20,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:20,211 INFO L225 Difference]: With dead ends: 20716 [2022-02-10 21:26:20,211 INFO L226 Difference]: Without dead ends: 20716 [2022-02-10 21:26:20,211 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:26:20,212 INFO L934 BasicCegarLoop]: 179 mSDtfsCounter, 61 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:20,212 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 306 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:26:20,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20716 states. [2022-02-10 21:26:20,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20716 to 18918. [2022-02-10 21:26:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18918 states, 18916 states have (on average 3.2368894057940367) internal successors, (61229), 18917 states have internal predecessors, (61229), 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) [2022-02-10 21:26:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18918 states to 18918 states and 61229 transitions. [2022-02-10 21:26:20,715 INFO L78 Accepts]: Start accepts. Automaton has 18918 states and 61229 transitions. Word has length 81 [2022-02-10 21:26:20,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:20,715 INFO L470 AbstractCegarLoop]: Abstraction has 18918 states and 61229 transitions. [2022-02-10 21:26:20,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2022-02-10 21:26:20,716 INFO L276 IsEmpty]: Start isEmpty. Operand 18918 states and 61229 transitions. [2022-02-10 21:26:20,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-10 21:26:20,744 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:20,745 INFO L515 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] [2022-02-10 21:26:20,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-10 21:26:20,745 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:20,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:20,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1070749086, now seen corresponding path program 1 times [2022-02-10 21:26:20,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:20,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334822679] [2022-02-10 21:26:20,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:20,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:20,793 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:20,793 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334822679] [2022-02-10 21:26:20,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334822679] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:20,793 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:20,793 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 21:26:20,793 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111468663] [2022-02-10 21:26:20,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:20,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 21:26:20,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:20,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 21:26:20,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 21:26:20,794 INFO L87 Difference]: Start difference. First operand 18918 states and 61229 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2022-02-10 21:26:20,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:20,980 INFO L93 Difference]: Finished difference Result 20969 states and 66552 transitions. [2022-02-10 21:26:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 21:26:20,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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 81 [2022-02-10 21:26:20,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:21,031 INFO L225 Difference]: With dead ends: 20969 [2022-02-10 21:26:21,031 INFO L226 Difference]: Without dead ends: 20753 [2022-02-10 21:26:21,032 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-10 21:26:21,032 INFO L934 BasicCegarLoop]: 272 mSDtfsCounter, 256 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:21,032 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 868 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:26:21,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20753 states. [2022-02-10 21:26:21,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20753 to 19106. [2022-02-10 21:26:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19106 states, 19104 states have (on average 3.232569095477387) internal successors, (61755), 19105 states have internal predecessors, (61755), 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) [2022-02-10 21:26:21,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19106 states to 19106 states and 61755 transitions. [2022-02-10 21:26:21,571 INFO L78 Accepts]: Start accepts. Automaton has 19106 states and 61755 transitions. Word has length 81 [2022-02-10 21:26:21,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:21,571 INFO L470 AbstractCegarLoop]: Abstraction has 19106 states and 61755 transitions. [2022-02-10 21:26:21,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2022-02-10 21:26:21,571 INFO L276 IsEmpty]: Start isEmpty. Operand 19106 states and 61755 transitions. [2022-02-10 21:26:21,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-10 21:26:21,599 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:21,599 INFO L515 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] [2022-02-10 21:26:21,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-10 21:26:21,599 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:21,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:21,600 INFO L85 PathProgramCache]: Analyzing trace with hash -236560256, now seen corresponding path program 1 times [2022-02-10 21:26:21,600 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:21,600 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362461376] [2022-02-10 21:26:21,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:21,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:21,632 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:21,632 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362461376] [2022-02-10 21:26:21,632 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362461376] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:21,632 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:21,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 21:26:21,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130353172] [2022-02-10 21:26:21,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:21,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:26:21,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:21,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:26:21,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:26:21,633 INFO L87 Difference]: Start difference. First operand 19106 states and 61755 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2022-02-10 21:26:21,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:21,721 INFO L93 Difference]: Finished difference Result 16309 states and 53201 transitions. [2022-02-10 21:26:21,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:26:21,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 81 [2022-02-10 21:26:21,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:21,761 INFO L225 Difference]: With dead ends: 16309 [2022-02-10 21:26:21,761 INFO L226 Difference]: Without dead ends: 16309 [2022-02-10 21:26:21,761 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:26:21,762 INFO L934 BasicCegarLoop]: 125 mSDtfsCounter, 67 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:21,762 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 183 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:26:21,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16309 states. [2022-02-10 21:26:22,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16309 to 16060. [2022-02-10 21:26:22,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16060 states, 16058 states have (on average 3.27898866608544) internal successors, (52654), 16059 states have internal predecessors, (52654), 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) [2022-02-10 21:26:22,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16060 states to 16060 states and 52654 transitions. [2022-02-10 21:26:22,229 INFO L78 Accepts]: Start accepts. Automaton has 16060 states and 52654 transitions. Word has length 81 [2022-02-10 21:26:22,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:22,229 INFO L470 AbstractCegarLoop]: Abstraction has 16060 states and 52654 transitions. [2022-02-10 21:26:22,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2022-02-10 21:26:22,229 INFO L276 IsEmpty]: Start isEmpty. Operand 16060 states and 52654 transitions. [2022-02-10 21:26:22,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-10 21:26:22,259 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:22,260 INFO L515 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] [2022-02-10 21:26:22,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-10 21:26:22,260 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:22,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:22,260 INFO L85 PathProgramCache]: Analyzing trace with hash -2025675374, now seen corresponding path program 1 times [2022-02-10 21:26:22,260 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:22,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204704154] [2022-02-10 21:26:22,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:22,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:22,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:22,398 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:22,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204704154] [2022-02-10 21:26:22,398 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204704154] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:22,398 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:22,398 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 21:26:22,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460153276] [2022-02-10 21:26:22,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:22,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 21:26:22,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:22,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 21:26:22,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-02-10 21:26:22,399 INFO L87 Difference]: Start difference. First operand 16060 states and 52654 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 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) [2022-02-10 21:26:22,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:22,696 INFO L93 Difference]: Finished difference Result 18173 states and 58963 transitions. [2022-02-10 21:26:22,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 21:26:22,696 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 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 84 [2022-02-10 21:26:22,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:22,736 INFO L225 Difference]: With dead ends: 18173 [2022-02-10 21:26:22,736 INFO L226 Difference]: Without dead ends: 17933 [2022-02-10 21:26:22,736 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2022-02-10 21:26:22,737 INFO L934 BasicCegarLoop]: 250 mSDtfsCounter, 695 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:22,737 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [695 Valid, 1227 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:26:22,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17933 states. [2022-02-10 21:26:23,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17933 to 16168. [2022-02-10 21:26:23,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16168 states, 16166 states have (on average 3.2574539156253866) internal successors, (52660), 16167 states have internal predecessors, (52660), 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) [2022-02-10 21:26:23,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16168 states to 16168 states and 52660 transitions. [2022-02-10 21:26:23,263 INFO L78 Accepts]: Start accepts. Automaton has 16168 states and 52660 transitions. Word has length 84 [2022-02-10 21:26:23,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:23,264 INFO L470 AbstractCegarLoop]: Abstraction has 16168 states and 52660 transitions. [2022-02-10 21:26:23,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 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) [2022-02-10 21:26:23,264 INFO L276 IsEmpty]: Start isEmpty. Operand 16168 states and 52660 transitions. [2022-02-10 21:26:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-10 21:26:23,291 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:23,291 INFO L515 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] [2022-02-10 21:26:23,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-10 21:26:23,291 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:23,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:23,291 INFO L85 PathProgramCache]: Analyzing trace with hash 111506770, now seen corresponding path program 1 times [2022-02-10 21:26:23,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:23,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25845048] [2022-02-10 21:26:23,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:23,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:23,389 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:23,389 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25845048] [2022-02-10 21:26:23,389 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25845048] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:23,389 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:23,389 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 21:26:23,389 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883339720] [2022-02-10 21:26:23,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:23,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 21:26:23,390 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:23,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 21:26:23,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:26:23,390 INFO L87 Difference]: Start difference. First operand 16168 states and 52660 transitions. Second operand has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 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) [2022-02-10 21:26:23,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:23,762 INFO L93 Difference]: Finished difference Result 17608 states and 57247 transitions. [2022-02-10 21:26:23,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 21:26:23,762 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 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 84 [2022-02-10 21:26:23,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:23,804 INFO L225 Difference]: With dead ends: 17608 [2022-02-10 21:26:23,804 INFO L226 Difference]: Without dead ends: 17608 [2022-02-10 21:26:23,804 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-02-10 21:26:23,805 INFO L934 BasicCegarLoop]: 298 mSDtfsCounter, 892 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 1679 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:23,805 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [892 Valid, 1679 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:26:23,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17608 states. [2022-02-10 21:26:24,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17608 to 16096. [2022-02-10 21:26:24,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16096 states, 16094 states have (on average 3.2597241207903567) internal successors, (52462), 16095 states have internal predecessors, (52462), 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) [2022-02-10 21:26:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16096 states to 16096 states and 52462 transitions. [2022-02-10 21:26:24,279 INFO L78 Accepts]: Start accepts. Automaton has 16096 states and 52462 transitions. Word has length 84 [2022-02-10 21:26:24,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:24,279 INFO L470 AbstractCegarLoop]: Abstraction has 16096 states and 52462 transitions. [2022-02-10 21:26:24,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 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) [2022-02-10 21:26:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 16096 states and 52462 transitions. [2022-02-10 21:26:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-10 21:26:24,307 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:24,307 INFO L515 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] [2022-02-10 21:26:24,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-10 21:26:24,307 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:24,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:24,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1670966520, now seen corresponding path program 2 times [2022-02-10 21:26:24,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:24,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913002345] [2022-02-10 21:26:24,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:24,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:24,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:24,408 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:24,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913002345] [2022-02-10 21:26:24,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913002345] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:24,408 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:24,408 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 21:26:24,408 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629761702] [2022-02-10 21:26:24,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:24,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 21:26:24,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:24,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 21:26:24,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-10 21:26:24,409 INFO L87 Difference]: Start difference. First operand 16096 states and 52462 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 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) [2022-02-10 21:26:24,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:24,745 INFO L93 Difference]: Finished difference Result 17765 states and 57689 transitions. [2022-02-10 21:26:24,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 21:26:24,746 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 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 84 [2022-02-10 21:26:24,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:24,790 INFO L225 Difference]: With dead ends: 17765 [2022-02-10 21:26:24,790 INFO L226 Difference]: Without dead ends: 17765 [2022-02-10 21:26:24,790 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2022-02-10 21:26:24,790 INFO L934 BasicCegarLoop]: 278 mSDtfsCounter, 537 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:24,791 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [537 Valid, 1498 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:26:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17765 states. [2022-02-10 21:26:25,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17765 to 16060. [2022-02-10 21:26:25,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16060 states, 16058 states have (on average 3.261614148710923) internal successors, (52375), 16059 states have internal predecessors, (52375), 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) [2022-02-10 21:26:25,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16060 states to 16060 states and 52375 transitions. [2022-02-10 21:26:25,311 INFO L78 Accepts]: Start accepts. Automaton has 16060 states and 52375 transitions. Word has length 84 [2022-02-10 21:26:25,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:25,311 INFO L470 AbstractCegarLoop]: Abstraction has 16060 states and 52375 transitions. [2022-02-10 21:26:25,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 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) [2022-02-10 21:26:25,312 INFO L276 IsEmpty]: Start isEmpty. Operand 16060 states and 52375 transitions. [2022-02-10 21:26:25,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-10 21:26:25,342 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:25,343 INFO L515 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] [2022-02-10 21:26:25,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-10 21:26:25,343 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:25,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:25,343 INFO L85 PathProgramCache]: Analyzing trace with hash -486818632, now seen corresponding path program 2 times [2022-02-10 21:26:25,343 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:25,343 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693955726] [2022-02-10 21:26:25,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:25,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:25,572 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:25,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693955726] [2022-02-10 21:26:25,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693955726] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:25,574 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:25,574 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 21:26:25,574 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191464014] [2022-02-10 21:26:25,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:25,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 21:26:25,575 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:25,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 21:26:25,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:26:25,575 INFO L87 Difference]: Start difference. First operand 16060 states and 52375 transitions. Second operand has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 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) [2022-02-10 21:26:26,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:26,162 INFO L93 Difference]: Finished difference Result 17365 states and 56648 transitions. [2022-02-10 21:26:26,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 21:26:26,162 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 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 84 [2022-02-10 21:26:26,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:26,201 INFO L225 Difference]: With dead ends: 17365 [2022-02-10 21:26:26,202 INFO L226 Difference]: Without dead ends: 17365 [2022-02-10 21:26:26,202 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2022-02-10 21:26:26,203 INFO L934 BasicCegarLoop]: 324 mSDtfsCounter, 529 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1843 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:26,203 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [529 Valid, 1843 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 21:26:26,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17365 states. [2022-02-10 21:26:26,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17365 to 15700. [2022-02-10 21:26:26,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15700 states, 15698 states have (on average 3.274684673206778) internal successors, (51406), 15699 states have internal predecessors, (51406), 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) [2022-02-10 21:26:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15700 states to 15700 states and 51406 transitions. [2022-02-10 21:26:26,716 INFO L78 Accepts]: Start accepts. Automaton has 15700 states and 51406 transitions. Word has length 84 [2022-02-10 21:26:26,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:26,716 INFO L470 AbstractCegarLoop]: Abstraction has 15700 states and 51406 transitions. [2022-02-10 21:26:26,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 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) [2022-02-10 21:26:26,717 INFO L276 IsEmpty]: Start isEmpty. Operand 15700 states and 51406 transitions. [2022-02-10 21:26:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-02-10 21:26:26,746 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:26,746 INFO L515 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] [2022-02-10 21:26:26,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-10 21:26:26,748 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:26,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:26,749 INFO L85 PathProgramCache]: Analyzing trace with hash 952844316, now seen corresponding path program 1 times [2022-02-10 21:26:26,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:26,749 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684174207] [2022-02-10 21:26:26,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:26,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:26,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:26,886 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:26,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684174207] [2022-02-10 21:26:26,886 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684174207] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:26,886 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:26,887 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 21:26:26,887 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452710974] [2022-02-10 21:26:26,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:26,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 21:26:26,887 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:26,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 21:26:26,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-02-10 21:26:26,887 INFO L87 Difference]: Start difference. First operand 15700 states and 51406 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) [2022-02-10 21:26:27,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:27,211 INFO L93 Difference]: Finished difference Result 19210 states and 61945 transitions. [2022-02-10 21:26:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 21:26:27,212 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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 87 [2022-02-10 21:26:27,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:27,261 INFO L225 Difference]: With dead ends: 19210 [2022-02-10 21:26:27,261 INFO L226 Difference]: Without dead ends: 19210 [2022-02-10 21:26:27,262 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-02-10 21:26:27,262 INFO L934 BasicCegarLoop]: 255 mSDtfsCounter, 455 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1304 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:27,262 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [455 Valid, 1304 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:26:27,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19210 states. [2022-02-10 21:26:27,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19210 to 16802. [2022-02-10 21:26:27,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16802 states, 16800 states have (on average 3.263809523809524) internal successors, (54832), 16801 states have internal predecessors, (54832), 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) [2022-02-10 21:26:27,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16802 states to 16802 states and 54832 transitions. [2022-02-10 21:26:27,747 INFO L78 Accepts]: Start accepts. Automaton has 16802 states and 54832 transitions. Word has length 87 [2022-02-10 21:26:27,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:27,748 INFO L470 AbstractCegarLoop]: Abstraction has 16802 states and 54832 transitions. [2022-02-10 21:26:27,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) [2022-02-10 21:26:27,748 INFO L276 IsEmpty]: Start isEmpty. Operand 16802 states and 54832 transitions. [2022-02-10 21:26:27,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-02-10 21:26:27,776 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:27,776 INFO L515 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] [2022-02-10 21:26:27,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-10 21:26:27,776 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:27,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:27,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1150900316, now seen corresponding path program 1 times [2022-02-10 21:26:27,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:27,776 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966826384] [2022-02-10 21:26:27,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:27,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:27,882 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:27,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966826384] [2022-02-10 21:26:27,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966826384] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:27,882 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:27,882 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 21:26:27,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547402106] [2022-02-10 21:26:27,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:27,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 21:26:27,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:27,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 21:26:27,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:26:27,883 INFO L87 Difference]: Start difference. First operand 16802 states and 54832 transitions. Second operand has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 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) [2022-02-10 21:26:28,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:28,228 INFO L93 Difference]: Finished difference Result 18709 states and 60621 transitions. [2022-02-10 21:26:28,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 21:26:28,228 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 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 87 [2022-02-10 21:26:28,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:28,272 INFO L225 Difference]: With dead ends: 18709 [2022-02-10 21:26:28,272 INFO L226 Difference]: Without dead ends: 18709 [2022-02-10 21:26:28,272 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2022-02-10 21:26:28,273 INFO L934 BasicCegarLoop]: 303 mSDtfsCounter, 544 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:28,273 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [544 Valid, 1277 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:26:28,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18709 states. [2022-02-10 21:26:28,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18709 to 16712. [2022-02-10 21:26:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16712 states, 16710 states have (on average 3.2670257330939556) internal successors, (54592), 16711 states have internal predecessors, (54592), 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) [2022-02-10 21:26:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16712 states to 16712 states and 54592 transitions. [2022-02-10 21:26:28,754 INFO L78 Accepts]: Start accepts. Automaton has 16712 states and 54592 transitions. Word has length 87 [2022-02-10 21:26:28,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:28,754 INFO L470 AbstractCegarLoop]: Abstraction has 16712 states and 54592 transitions. [2022-02-10 21:26:28,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 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) [2022-02-10 21:26:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 16712 states and 54592 transitions. [2022-02-10 21:26:28,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-02-10 21:26:28,785 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:28,786 INFO L515 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] [2022-02-10 21:26:28,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-10 21:26:28,786 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:28,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:28,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1964303902, now seen corresponding path program 2 times [2022-02-10 21:26:28,786 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:28,786 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191702173] [2022-02-10 21:26:28,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:28,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:28,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:28,899 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:28,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191702173] [2022-02-10 21:26:28,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191702173] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:28,899 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:28,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 21:26:28,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903013953] [2022-02-10 21:26:28,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:28,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 21:26:28,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:28,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 21:26:28,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-10 21:26:28,900 INFO L87 Difference]: Start difference. First operand 16712 states and 54592 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) [2022-02-10 21:26:29,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:29,191 INFO L93 Difference]: Finished difference Result 18891 states and 61138 transitions. [2022-02-10 21:26:29,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 21:26:29,191 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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 87 [2022-02-10 21:26:29,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:29,234 INFO L225 Difference]: With dead ends: 18891 [2022-02-10 21:26:29,234 INFO L226 Difference]: Without dead ends: 18891 [2022-02-10 21:26:29,234 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2022-02-10 21:26:29,235 INFO L934 BasicCegarLoop]: 263 mSDtfsCounter, 633 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:29,235 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [633 Valid, 1168 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:26:29,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18891 states. [2022-02-10 21:26:29,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18891 to 16997. [2022-02-10 21:26:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16997 states, 16995 states have (on average 3.254310091203295) internal successors, (55307), 16996 states have internal predecessors, (55307), 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) [2022-02-10 21:26:29,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16997 states to 16997 states and 55307 transitions. [2022-02-10 21:26:29,708 INFO L78 Accepts]: Start accepts. Automaton has 16997 states and 55307 transitions. Word has length 87 [2022-02-10 21:26:29,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:29,709 INFO L470 AbstractCegarLoop]: Abstraction has 16997 states and 55307 transitions. [2022-02-10 21:26:29,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) [2022-02-10 21:26:29,709 INFO L276 IsEmpty]: Start isEmpty. Operand 16997 states and 55307 transitions. [2022-02-10 21:26:29,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-02-10 21:26:29,736 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:29,736 INFO L515 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] [2022-02-10 21:26:29,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-10 21:26:29,736 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:29,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:29,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1766247902, now seen corresponding path program 2 times [2022-02-10 21:26:29,737 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:29,737 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764570081] [2022-02-10 21:26:29,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:29,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:29,838 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:29,838 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764570081] [2022-02-10 21:26:29,838 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764570081] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:29,838 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:29,838 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 21:26:29,838 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516989852] [2022-02-10 21:26:29,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:29,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 21:26:29,838 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:29,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 21:26:29,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:26:29,839 INFO L87 Difference]: Start difference. First operand 16997 states and 55307 transitions. Second operand has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 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) [2022-02-10 21:26:30,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:30,221 INFO L93 Difference]: Finished difference Result 18317 states and 59616 transitions. [2022-02-10 21:26:30,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 21:26:30,222 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 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 87 [2022-02-10 21:26:30,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:30,262 INFO L225 Difference]: With dead ends: 18317 [2022-02-10 21:26:30,262 INFO L226 Difference]: Without dead ends: 18317 [2022-02-10 21:26:30,263 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2022-02-10 21:26:30,263 INFO L934 BasicCegarLoop]: 308 mSDtfsCounter, 687 mSDsluCounter, 1521 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 1735 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:30,263 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 1735 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:26:30,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18317 states. [2022-02-10 21:26:30,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18317 to 16036. [2022-02-10 21:26:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16036 states, 16034 states have (on average 3.260197081202445) internal successors, (52274), 16035 states have internal predecessors, (52274), 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) [2022-02-10 21:26:30,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16036 states to 16036 states and 52274 transitions. [2022-02-10 21:26:30,716 INFO L78 Accepts]: Start accepts. Automaton has 16036 states and 52274 transitions. Word has length 87 [2022-02-10 21:26:30,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:30,716 INFO L470 AbstractCegarLoop]: Abstraction has 16036 states and 52274 transitions. [2022-02-10 21:26:30,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 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) [2022-02-10 21:26:30,716 INFO L276 IsEmpty]: Start isEmpty. Operand 16036 states and 52274 transitions. [2022-02-10 21:26:30,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-02-10 21:26:30,748 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:30,748 INFO L515 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] [2022-02-10 21:26:30,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-10 21:26:30,748 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:30,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:30,749 INFO L85 PathProgramCache]: Analyzing trace with hash 166944156, now seen corresponding path program 3 times [2022-02-10 21:26:30,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:30,749 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176605194] [2022-02-10 21:26:30,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:30,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:30,852 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:30,852 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176605194] [2022-02-10 21:26:30,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176605194] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:30,853 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:30,853 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 21:26:30,853 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644077829] [2022-02-10 21:26:30,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:30,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 21:26:30,853 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:30,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 21:26:30,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-02-10 21:26:30,854 INFO L87 Difference]: Start difference. First operand 16036 states and 52274 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) [2022-02-10 21:26:31,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:31,146 INFO L93 Difference]: Finished difference Result 17639 states and 57239 transitions. [2022-02-10 21:26:31,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 21:26:31,147 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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 87 [2022-02-10 21:26:31,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:31,186 INFO L225 Difference]: With dead ends: 17639 [2022-02-10 21:26:31,186 INFO L226 Difference]: Without dead ends: 17363 [2022-02-10 21:26:31,186 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2022-02-10 21:26:31,187 INFO L934 BasicCegarLoop]: 239 mSDtfsCounter, 761 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:31,187 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [761 Valid, 1192 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:26:31,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17363 states. [2022-02-10 21:26:31,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17363 to 15715. [2022-02-10 21:26:31,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15715 states, 15713 states have (on average 3.2538025838477695) internal successors, (51127), 15714 states have internal predecessors, (51127), 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) [2022-02-10 21:26:31,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15715 states to 15715 states and 51127 transitions. [2022-02-10 21:26:31,643 INFO L78 Accepts]: Start accepts. Automaton has 15715 states and 51127 transitions. Word has length 87 [2022-02-10 21:26:31,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:31,643 INFO L470 AbstractCegarLoop]: Abstraction has 15715 states and 51127 transitions. [2022-02-10 21:26:31,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) [2022-02-10 21:26:31,643 INFO L276 IsEmpty]: Start isEmpty. Operand 15715 states and 51127 transitions. [2022-02-10 21:26:31,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-02-10 21:26:31,670 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:31,671 INFO L515 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] [2022-02-10 21:26:31,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-10 21:26:31,671 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:31,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:31,671 INFO L85 PathProgramCache]: Analyzing trace with hash 365000156, now seen corresponding path program 3 times [2022-02-10 21:26:31,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:31,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280694954] [2022-02-10 21:26:31,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:31,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:31,776 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:31,776 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280694954] [2022-02-10 21:26:31,776 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280694954] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:31,776 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:31,776 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 21:26:31,776 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322915772] [2022-02-10 21:26:31,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:31,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 21:26:31,777 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:31,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 21:26:31,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:26:31,777 INFO L87 Difference]: Start difference. First operand 15715 states and 51127 transitions. Second operand has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 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) [2022-02-10 21:26:32,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:32,116 INFO L93 Difference]: Finished difference Result 16912 states and 55153 transitions. [2022-02-10 21:26:32,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 21:26:32,117 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 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 87 [2022-02-10 21:26:32,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:32,154 INFO L225 Difference]: With dead ends: 16912 [2022-02-10 21:26:32,154 INFO L226 Difference]: Without dead ends: 16912 [2022-02-10 21:26:32,155 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2022-02-10 21:26:32,156 INFO L934 BasicCegarLoop]: 270 mSDtfsCounter, 702 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:32,156 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [702 Valid, 1538 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:26:32,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16912 states. [2022-02-10 21:26:32,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16912 to 15274. [2022-02-10 21:26:32,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15274 states, 15272 states have (on average 3.271935568360398) internal successors, (49969), 15273 states have internal predecessors, (49969), 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) [2022-02-10 21:26:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15274 states to 15274 states and 49969 transitions. [2022-02-10 21:26:32,594 INFO L78 Accepts]: Start accepts. Automaton has 15274 states and 49969 transitions. Word has length 87 [2022-02-10 21:26:32,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:32,594 INFO L470 AbstractCegarLoop]: Abstraction has 15274 states and 49969 transitions. [2022-02-10 21:26:32,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 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) [2022-02-10 21:26:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 15274 states and 49969 transitions. [2022-02-10 21:26:32,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-10 21:26:32,622 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:32,622 INFO L515 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] [2022-02-10 21:26:32,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-10 21:26:32,623 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:32,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:32,623 INFO L85 PathProgramCache]: Analyzing trace with hash 814105171, now seen corresponding path program 1 times [2022-02-10 21:26:32,623 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:32,623 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612480002] [2022-02-10 21:26:32,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:32,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:32,676 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:32,676 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612480002] [2022-02-10 21:26:32,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612480002] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:32,676 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:32,676 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:26:32,676 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441597880] [2022-02-10 21:26:32,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:32,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:26:32,677 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:32,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:26:32,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:26:32,677 INFO L87 Difference]: Start difference. First operand 15274 states and 49969 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2022-02-10 21:26:32,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:32,862 INFO L93 Difference]: Finished difference Result 16513 states and 54137 transitions. [2022-02-10 21:26:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 21:26:32,863 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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 92 [2022-02-10 21:26:32,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:32,898 INFO L225 Difference]: With dead ends: 16513 [2022-02-10 21:26:32,899 INFO L226 Difference]: Without dead ends: 14989 [2022-02-10 21:26:32,899 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-02-10 21:26:32,899 INFO L934 BasicCegarLoop]: 227 mSDtfsCounter, 580 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:32,899 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 907 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:26:32,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14989 states. [2022-02-10 21:26:33,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14989 to 13834. [2022-02-10 21:26:33,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13834 states, 13832 states have (on average 3.259543088490457) internal successors, (45086), 13833 states have internal predecessors, (45086), 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) [2022-02-10 21:26:33,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13834 states to 13834 states and 45086 transitions. [2022-02-10 21:26:33,171 INFO L78 Accepts]: Start accepts. Automaton has 13834 states and 45086 transitions. Word has length 92 [2022-02-10 21:26:33,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:33,172 INFO L470 AbstractCegarLoop]: Abstraction has 13834 states and 45086 transitions. [2022-02-10 21:26:33,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2022-02-10 21:26:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 13834 states and 45086 transitions. [2022-02-10 21:26:33,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-10 21:26:33,197 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:33,197 INFO L515 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] [2022-02-10 21:26:33,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-10 21:26:33,197 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:33,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:33,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1666994155, now seen corresponding path program 2 times [2022-02-10 21:26:33,198 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:33,198 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362579610] [2022-02-10 21:26:33,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:33,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:33,359 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:33,359 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362579610] [2022-02-10 21:26:33,359 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362579610] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:33,359 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:33,359 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:26:33,359 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167749832] [2022-02-10 21:26:33,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:33,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:26:33,360 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:33,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:26:33,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:26:33,360 INFO L87 Difference]: Start difference. First operand 13834 states and 45086 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2022-02-10 21:26:33,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:33,560 INFO L93 Difference]: Finished difference Result 15885 states and 51555 transitions. [2022-02-10 21:26:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 21:26:33,561 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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 92 [2022-02-10 21:26:33,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:33,593 INFO L225 Difference]: With dead ends: 15885 [2022-02-10 21:26:33,593 INFO L226 Difference]: Without dead ends: 13925 [2022-02-10 21:26:33,593 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-02-10 21:26:33,594 INFO L934 BasicCegarLoop]: 227 mSDtfsCounter, 604 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:33,594 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [604 Valid, 923 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:26:33,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13925 states. [2022-02-10 21:26:33,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13925 to 13242. [2022-02-10 21:26:33,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13242 states, 13240 states have (on average 3.258987915407855) internal successors, (43149), 13241 states have internal predecessors, (43149), 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) [2022-02-10 21:26:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13242 states to 13242 states and 43149 transitions. [2022-02-10 21:26:33,864 INFO L78 Accepts]: Start accepts. Automaton has 13242 states and 43149 transitions. Word has length 92 [2022-02-10 21:26:33,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:33,864 INFO L470 AbstractCegarLoop]: Abstraction has 13242 states and 43149 transitions. [2022-02-10 21:26:33,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2022-02-10 21:26:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 13242 states and 43149 transitions. [2022-02-10 21:26:33,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-10 21:26:33,887 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:33,887 INFO L515 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] [2022-02-10 21:26:33,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-10 21:26:33,887 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:33,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:33,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1677033629, now seen corresponding path program 3 times [2022-02-10 21:26:33,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:33,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843864019] [2022-02-10 21:26:33,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:33,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:33,916 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:33,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843864019] [2022-02-10 21:26:33,916 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843864019] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:33,916 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:33,916 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-10 21:26:33,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143670715] [2022-02-10 21:26:33,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:33,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-10 21:26:33,917 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:33,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-10 21:26:33,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-10 21:26:33,917 INFO L87 Difference]: Start difference. First operand 13242 states and 43149 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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) [2022-02-10 21:26:34,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:34,003 INFO L93 Difference]: Finished difference Result 13710 states and 44377 transitions. [2022-02-10 21:26:34,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-10 21:26:34,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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 92 [2022-02-10 21:26:34,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:34,033 INFO L225 Difference]: With dead ends: 13710 [2022-02-10 21:26:34,033 INFO L226 Difference]: Without dead ends: 13670 [2022-02-10 21:26:34,033 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-10 21:26:34,034 INFO L934 BasicCegarLoop]: 183 mSDtfsCounter, 104 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:34,034 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 435 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:26:34,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13670 states. [2022-02-10 21:26:34,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13670 to 13282. [2022-02-10 21:26:34,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13282 states, 13280 states have (on average 3.2574548192771084) internal successors, (43259), 13281 states have internal predecessors, (43259), 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) [2022-02-10 21:26:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13282 states to 13282 states and 43259 transitions. [2022-02-10 21:26:34,334 INFO L78 Accepts]: Start accepts. Automaton has 13282 states and 43259 transitions. Word has length 92 [2022-02-10 21:26:34,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:34,334 INFO L470 AbstractCegarLoop]: Abstraction has 13282 states and 43259 transitions. [2022-02-10 21:26:34,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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) [2022-02-10 21:26:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 13282 states and 43259 transitions. [2022-02-10 21:26:34,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-10 21:26:34,358 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:34,358 INFO L515 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] [2022-02-10 21:26:34,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-10 21:26:34,359 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:34,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:34,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1159886597, now seen corresponding path program 4 times [2022-02-10 21:26:34,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:34,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742921738] [2022-02-10 21:26:34,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:34,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:34,417 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:34,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742921738] [2022-02-10 21:26:34,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742921738] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:34,418 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:34,418 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:26:34,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058358532] [2022-02-10 21:26:34,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:34,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:26:34,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:34,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:26:34,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:26:34,419 INFO L87 Difference]: Start difference. First operand 13282 states and 43259 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2022-02-10 21:26:34,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:34,584 INFO L93 Difference]: Finished difference Result 13965 states and 45119 transitions. [2022-02-10 21:26:34,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 21:26:34,584 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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 92 [2022-02-10 21:26:34,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:34,613 INFO L225 Difference]: With dead ends: 13965 [2022-02-10 21:26:34,614 INFO L226 Difference]: Without dead ends: 13685 [2022-02-10 21:26:34,614 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-10 21:26:34,614 INFO L934 BasicCegarLoop]: 192 mSDtfsCounter, 593 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:34,614 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [593 Valid, 801 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:26:34,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13685 states. [2022-02-10 21:26:34,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13685 to 13258. [2022-02-10 21:26:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13258 states, 13256 states have (on average 3.2583735666867835) internal successors, (43193), 13257 states have internal predecessors, (43193), 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) [2022-02-10 21:26:34,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13258 states to 13258 states and 43193 transitions. [2022-02-10 21:26:34,925 INFO L78 Accepts]: Start accepts. Automaton has 13258 states and 43193 transitions. Word has length 92 [2022-02-10 21:26:34,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:34,925 INFO L470 AbstractCegarLoop]: Abstraction has 13258 states and 43193 transitions. [2022-02-10 21:26:34,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2022-02-10 21:26:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 13258 states and 43193 transitions. [2022-02-10 21:26:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-10 21:26:34,950 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:34,950 INFO L515 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] [2022-02-10 21:26:34,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-10 21:26:34,950 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:34,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:34,950 INFO L85 PathProgramCache]: Analyzing trace with hash 493196429, now seen corresponding path program 5 times [2022-02-10 21:26:34,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:34,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080950604] [2022-02-10 21:26:34,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:34,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:35,011 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:35,011 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080950604] [2022-02-10 21:26:35,011 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080950604] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:35,011 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:35,011 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:26:35,011 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146459602] [2022-02-10 21:26:35,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:35,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:26:35,012 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:35,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:26:35,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:26:35,012 INFO L87 Difference]: Start difference. First operand 13258 states and 43193 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2022-02-10 21:26:35,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:35,196 INFO L93 Difference]: Finished difference Result 13757 states and 44519 transitions. [2022-02-10 21:26:35,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 21:26:35,196 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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 92 [2022-02-10 21:26:35,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:35,226 INFO L225 Difference]: With dead ends: 13757 [2022-02-10 21:26:35,226 INFO L226 Difference]: Without dead ends: 13449 [2022-02-10 21:26:35,226 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-02-10 21:26:35,226 INFO L934 BasicCegarLoop]: 202 mSDtfsCounter, 480 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:35,227 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [480 Valid, 887 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:26:35,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13449 states. [2022-02-10 21:26:35,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13449 to 12046. [2022-02-10 21:26:35,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12046 states, 12044 states have (on average 3.2459315841912986) internal successors, (39094), 12045 states have internal predecessors, (39094), 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) [2022-02-10 21:26:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12046 states to 12046 states and 39094 transitions. [2022-02-10 21:26:35,449 INFO L78 Accepts]: Start accepts. Automaton has 12046 states and 39094 transitions. Word has length 92 [2022-02-10 21:26:35,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:35,449 INFO L470 AbstractCegarLoop]: Abstraction has 12046 states and 39094 transitions. [2022-02-10 21:26:35,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2022-02-10 21:26:35,449 INFO L276 IsEmpty]: Start isEmpty. Operand 12046 states and 39094 transitions. [2022-02-10 21:26:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-02-10 21:26:35,469 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:35,469 INFO L515 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, 1] [2022-02-10 21:26:35,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-10 21:26:35,470 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:35,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:35,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1167048635, now seen corresponding path program 1 times [2022-02-10 21:26:35,470 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:35,470 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272401573] [2022-02-10 21:26:35,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:35,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:35,587 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:35,587 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272401573] [2022-02-10 21:26:35,587 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272401573] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:35,587 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:35,587 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:26:35,587 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817567917] [2022-02-10 21:26:35,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:35,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:26:35,588 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:35,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:26:35,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:26:35,588 INFO L87 Difference]: Start difference. First operand 12046 states and 39094 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2022-02-10 21:26:35,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:35,748 INFO L93 Difference]: Finished difference Result 13123 states and 42606 transitions. [2022-02-10 21:26:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 21:26:35,748 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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 95 [2022-02-10 21:26:35,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:35,773 INFO L225 Difference]: With dead ends: 13123 [2022-02-10 21:26:35,773 INFO L226 Difference]: Without dead ends: 11263 [2022-02-10 21:26:35,773 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-02-10 21:26:35,774 INFO L934 BasicCegarLoop]: 204 mSDtfsCounter, 561 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:35,774 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [561 Valid, 816 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:26:35,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11263 states. [2022-02-10 21:26:35,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11263 to 10291. [2022-02-10 21:26:35,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10291 states, 10289 states have (on average 3.242783555253183) internal successors, (33365), 10290 states have internal predecessors, (33365), 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) [2022-02-10 21:26:35,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10291 states to 10291 states and 33365 transitions. [2022-02-10 21:26:35,974 INFO L78 Accepts]: Start accepts. Automaton has 10291 states and 33365 transitions. Word has length 95 [2022-02-10 21:26:35,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:35,974 INFO L470 AbstractCegarLoop]: Abstraction has 10291 states and 33365 transitions. [2022-02-10 21:26:35,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2022-02-10 21:26:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 10291 states and 33365 transitions. [2022-02-10 21:26:35,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-02-10 21:26:35,991 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:35,991 INFO L515 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, 1] [2022-02-10 21:26:35,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-10 21:26:35,991 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:35,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:35,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1757089793, now seen corresponding path program 2 times [2022-02-10 21:26:35,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:35,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288118085] [2022-02-10 21:26:35,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:35,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:36,055 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:36,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288118085] [2022-02-10 21:26:36,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288118085] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:36,056 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:36,056 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:26:36,056 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911623739] [2022-02-10 21:26:36,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:36,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:26:36,056 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:36,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:26:36,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:26:36,056 INFO L87 Difference]: Start difference. First operand 10291 states and 33365 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2022-02-10 21:26:36,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:36,236 INFO L93 Difference]: Finished difference Result 12180 states and 39178 transitions. [2022-02-10 21:26:36,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 21:26:36,237 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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 95 [2022-02-10 21:26:36,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:36,260 INFO L225 Difference]: With dead ends: 12180 [2022-02-10 21:26:36,260 INFO L226 Difference]: Without dead ends: 9701 [2022-02-10 21:26:36,260 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-02-10 21:26:36,261 INFO L934 BasicCegarLoop]: 195 mSDtfsCounter, 410 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:36,261 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [410 Valid, 953 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:26:36,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9701 states. [2022-02-10 21:26:36,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9701 to 9301. [2022-02-10 21:26:36,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9301 states, 9299 states have (on average 3.2220668889127864) internal successors, (29962), 9300 states have internal predecessors, (29962), 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) [2022-02-10 21:26:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9301 states to 9301 states and 29962 transitions. [2022-02-10 21:26:36,479 INFO L78 Accepts]: Start accepts. Automaton has 9301 states and 29962 transitions. Word has length 95 [2022-02-10 21:26:36,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:36,479 INFO L470 AbstractCegarLoop]: Abstraction has 9301 states and 29962 transitions. [2022-02-10 21:26:36,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2022-02-10 21:26:36,479 INFO L276 IsEmpty]: Start isEmpty. Operand 9301 states and 29962 transitions. [2022-02-10 21:26:36,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-02-10 21:26:36,493 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:36,493 INFO L515 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, 1] [2022-02-10 21:26:36,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-10 21:26:36,494 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:36,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:36,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1290358573, now seen corresponding path program 3 times [2022-02-10 21:26:36,494 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:36,494 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383167873] [2022-02-10 21:26:36,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:36,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:36,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:36,552 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:36,552 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383167873] [2022-02-10 21:26:36,552 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383167873] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:36,552 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:36,552 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:26:36,552 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187845252] [2022-02-10 21:26:36,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:36,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:26:36,552 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:36,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:26:36,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:26:36,553 INFO L87 Difference]: Start difference. First operand 9301 states and 29962 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2022-02-10 21:26:36,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:36,675 INFO L93 Difference]: Finished difference Result 9990 states and 31826 transitions. [2022-02-10 21:26:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 21:26:36,675 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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 95 [2022-02-10 21:26:36,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:36,696 INFO L225 Difference]: With dead ends: 9990 [2022-02-10 21:26:36,696 INFO L226 Difference]: Without dead ends: 9689 [2022-02-10 21:26:36,696 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-10 21:26:36,697 INFO L934 BasicCegarLoop]: 177 mSDtfsCounter, 484 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:36,697 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [484 Valid, 676 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:26:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9689 states. [2022-02-10 21:26:36,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9689 to 9277. [2022-02-10 21:26:36,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9277 states, 9275 states have (on average 3.223288409703504) internal successors, (29896), 9276 states have internal predecessors, (29896), 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) [2022-02-10 21:26:36,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9277 states to 9277 states and 29896 transitions. [2022-02-10 21:26:36,874 INFO L78 Accepts]: Start accepts. Automaton has 9277 states and 29896 transitions. Word has length 95 [2022-02-10 21:26:36,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:36,875 INFO L470 AbstractCegarLoop]: Abstraction has 9277 states and 29896 transitions. [2022-02-10 21:26:36,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2022-02-10 21:26:36,875 INFO L276 IsEmpty]: Start isEmpty. Operand 9277 states and 29896 transitions. [2022-02-10 21:26:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-02-10 21:26:36,890 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:36,890 INFO L515 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, 1] [2022-02-10 21:26:36,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-10 21:26:36,890 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:36,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:36,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1439739145, now seen corresponding path program 4 times [2022-02-10 21:26:36,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:36,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606071943] [2022-02-10 21:26:36,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:36,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:36,920 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:36,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606071943] [2022-02-10 21:26:36,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606071943] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:36,920 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:36,920 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-10 21:26:36,920 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866417912] [2022-02-10 21:26:36,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:36,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-10 21:26:36,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:36,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-10 21:26:36,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-10 21:26:36,921 INFO L87 Difference]: Start difference. First operand 9277 states and 29896 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-02-10 21:26:36,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:36,991 INFO L93 Difference]: Finished difference Result 9820 states and 31289 transitions. [2022-02-10 21:26:36,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-10 21:26:36,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 95 [2022-02-10 21:26:36,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:37,011 INFO L225 Difference]: With dead ends: 9820 [2022-02-10 21:26:37,011 INFO L226 Difference]: Without dead ends: 9780 [2022-02-10 21:26:37,011 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-10 21:26:37,012 INFO L934 BasicCegarLoop]: 178 mSDtfsCounter, 104 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:37,012 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 418 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:26:37,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9780 states. [2022-02-10 21:26:37,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9780 to 9317. [2022-02-10 21:26:37,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9317 states, 9315 states have (on average 3.221256038647343) internal successors, (30006), 9316 states have internal predecessors, (30006), 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) [2022-02-10 21:26:37,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9317 states to 9317 states and 30006 transitions. [2022-02-10 21:26:37,249 INFO L78 Accepts]: Start accepts. Automaton has 9317 states and 30006 transitions. Word has length 95 [2022-02-10 21:26:37,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:37,250 INFO L470 AbstractCegarLoop]: Abstraction has 9317 states and 30006 transitions. [2022-02-10 21:26:37,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-02-10 21:26:37,250 INFO L276 IsEmpty]: Start isEmpty. Operand 9317 states and 30006 transitions. [2022-02-10 21:26:37,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-02-10 21:26:37,265 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:37,265 INFO L515 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, 1] [2022-02-10 21:26:37,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-10 21:26:37,266 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:37,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:37,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1395098901, now seen corresponding path program 5 times [2022-02-10 21:26:37,266 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:37,266 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108284568] [2022-02-10 21:26:37,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:37,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:37,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:37,344 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:37,344 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108284568] [2022-02-10 21:26:37,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108284568] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:37,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:37,345 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:26:37,345 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802044447] [2022-02-10 21:26:37,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:37,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:26:37,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:37,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:26:37,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:26:37,346 INFO L87 Difference]: Start difference. First operand 9317 states and 30006 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2022-02-10 21:26:37,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:37,494 INFO L93 Difference]: Finished difference Result 9816 states and 31324 transitions. [2022-02-10 21:26:37,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 21:26:37,495 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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 95 [2022-02-10 21:26:37,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:37,516 INFO L225 Difference]: With dead ends: 9816 [2022-02-10 21:26:37,516 INFO L226 Difference]: Without dead ends: 9487 [2022-02-10 21:26:37,517 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-02-10 21:26:37,518 INFO L934 BasicCegarLoop]: 187 mSDtfsCounter, 396 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:37,518 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [396 Valid, 807 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:26:37,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9487 states. [2022-02-10 21:26:37,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9487 to 8087. [2022-02-10 21:26:37,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8087 states, 8085 states have (on average 3.2147186147186146) internal successors, (25991), 8086 states have internal predecessors, (25991), 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) [2022-02-10 21:26:37,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8087 states to 8087 states and 25991 transitions. [2022-02-10 21:26:37,663 INFO L78 Accepts]: Start accepts. Automaton has 8087 states and 25991 transitions. Word has length 95 [2022-02-10 21:26:37,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:37,663 INFO L470 AbstractCegarLoop]: Abstraction has 8087 states and 25991 transitions. [2022-02-10 21:26:37,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2022-02-10 21:26:37,663 INFO L276 IsEmpty]: Start isEmpty. Operand 8087 states and 25991 transitions. [2022-02-10 21:26:37,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-02-10 21:26:37,675 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:37,675 INFO L515 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, 1] [2022-02-10 21:26:37,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-10 21:26:37,675 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:37,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:37,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1993909214, now seen corresponding path program 1 times [2022-02-10 21:26:37,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:37,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489310045] [2022-02-10 21:26:37,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:37,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:37,732 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:37,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489310045] [2022-02-10 21:26:37,732 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489310045] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:37,732 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:37,732 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:26:37,732 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686312586] [2022-02-10 21:26:37,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:37,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:26:37,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:37,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:26:37,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:26:37,733 INFO L87 Difference]: Start difference. First operand 8087 states and 25991 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2022-02-10 21:26:37,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:37,841 INFO L93 Difference]: Finished difference Result 8039 states and 25906 transitions. [2022-02-10 21:26:37,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 21:26:37,842 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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 95 [2022-02-10 21:26:37,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:37,853 INFO L225 Difference]: With dead ends: 8039 [2022-02-10 21:26:37,854 INFO L226 Difference]: Without dead ends: 5615 [2022-02-10 21:26:37,854 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-02-10 21:26:37,854 INFO L934 BasicCegarLoop]: 199 mSDtfsCounter, 177 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:37,854 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 972 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:26:37,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5615 states. [2022-02-10 21:26:37,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5615 to 5615. [2022-02-10 21:26:37,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5615 states, 5614 states have (on average 3.2650516565728536) internal successors, (18330), 5614 states have internal predecessors, (18330), 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) [2022-02-10 21:26:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5615 states to 5615 states and 18330 transitions. [2022-02-10 21:26:37,937 INFO L78 Accepts]: Start accepts. Automaton has 5615 states and 18330 transitions. Word has length 95 [2022-02-10 21:26:37,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:37,937 INFO L470 AbstractCegarLoop]: Abstraction has 5615 states and 18330 transitions. [2022-02-10 21:26:37,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2022-02-10 21:26:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 5615 states and 18330 transitions. [2022-02-10 21:26:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-02-10 21:26:37,945 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:26:37,946 INFO L515 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, 1, 1, 1, 1] [2022-02-10 21:26:37,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-10 21:26:37,946 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:26:37,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:26:37,946 INFO L85 PathProgramCache]: Analyzing trace with hash 983906481, now seen corresponding path program 1 times [2022-02-10 21:26:37,946 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:26:37,946 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845307435] [2022-02-10 21:26:37,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:26:37,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:26:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:26:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:26:38,004 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:26:38,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845307435] [2022-02-10 21:26:38,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845307435] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:26:38,005 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:26:38,005 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:26:38,005 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815030270] [2022-02-10 21:26:38,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:26:38,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:26:38,005 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:26:38,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:26:38,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:26:38,005 INFO L87 Difference]: Start difference. First operand 5615 states and 18330 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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) [2022-02-10 21:26:38,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:26:38,084 INFO L93 Difference]: Finished difference Result 5507 states and 18107 transitions. [2022-02-10 21:26:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 21:26:38,084 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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 98 [2022-02-10 21:26:38,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:26:38,084 INFO L225 Difference]: With dead ends: 5507 [2022-02-10 21:26:38,084 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 21:26:38,084 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-02-10 21:26:38,085 INFO L934 BasicCegarLoop]: 154 mSDtfsCounter, 122 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:26:38,085 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 699 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:26:38,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 21:26:38,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 21:26:38,085 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) [2022-02-10 21:26:38,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 21:26:38,085 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2022-02-10 21:26:38,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:26:38,086 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 21:26:38,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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) [2022-02-10 21:26:38,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 21:26:38,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 21:26:38,088 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-02-10 21:26:38,089 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-02-10 21:26:38,089 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-10 21:26:38,092 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2022-02-10 21:26:38,092 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2022-02-10 21:26:38,092 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-02-10 21:26:38,093 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-02-10 21:26:38,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-10 21:26:38,095 INFO L733 BasicCegarLoop]: Path program histogram: [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:26:38,098 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 21:26:38,098 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 21:26:38,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 09:26:38 BasicIcfg [2022-02-10 21:26:38,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 21:26:38,101 INFO L158 Benchmark]: Toolchain (without parser) took 68530.42ms. Allocated memory was 172.0MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 143.8MB in the beginning and 6.2GB in the end (delta: -6.0GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-02-10 21:26:38,101 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 21:26:38,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.81ms. Allocated memory is still 172.0MB. Free memory was 143.6MB in the beginning and 133.6MB in the end (delta: 10.0MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. [2022-02-10 21:26:38,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.33ms. Allocated memory is still 172.0MB. Free memory was 133.6MB in the beginning and 130.7MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-10 21:26:38,108 INFO L158 Benchmark]: Boogie Preprocessor took 27.45ms. Allocated memory is still 172.0MB. Free memory was 130.7MB in the beginning and 128.9MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 21:26:38,110 INFO L158 Benchmark]: RCFGBuilder took 596.28ms. Allocated memory is still 172.0MB. Free memory was 128.9MB in the beginning and 95.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-02-10 21:26:38,111 INFO L158 Benchmark]: TraceAbstraction took 67452.06ms. Allocated memory was 172.0MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 94.8MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-02-10 21:26:38,111 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 387.81ms. Allocated memory is still 172.0MB. Free memory was 143.6MB in the beginning and 133.6MB in the end (delta: 10.0MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.33ms. Allocated memory is still 172.0MB. Free memory was 133.6MB in the beginning and 130.7MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.45ms. Allocated memory is still 172.0MB. Free memory was 130.7MB in the beginning and 128.9MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 596.28ms. Allocated memory is still 172.0MB. Free memory was 128.9MB in the beginning and 95.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 67452.06ms. Allocated memory was 172.0MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 94.8MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 with 1 thread instances CFG has 7 procedures, 269 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 67.3s, OverallIterations: 34, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 2.3s, AutomataDifference: 21.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13880 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13880 mSDsluCounter, 31122 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25088 mSDsCounter, 619 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7625 IncrementalHoareTripleChecker+Invalid, 8244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 619 mSolverCounterUnsat, 7753 mSDtfsCounter, 7625 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 418 GetRequests, 81 SyntacticMatches, 6 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106563occurred in iteration=4, InterpolantAutomatonStates: 321, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 37.4s AutomataMinimizationTime, 34 MinimizatonAttempts, 66481 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2864 NumberOfCodeBlocks, 2864 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2830 ConstructedInterpolants, 0 QuantifiedInterpolants, 15549 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 34 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! [2022-02-10 21:26:38,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...