/usr/bin/java -Xmx16000000000 -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-dev-bc79526 [2022-01-17 22:37:37,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-17 22:37:37,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-17 22:37:37,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-17 22:37:37,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-17 22:37:37,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-17 22:37:37,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-17 22:37:37,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-17 22:37:37,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-17 22:37:37,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-17 22:37:37,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-17 22:37:37,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-17 22:37:37,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-17 22:37:37,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-17 22:37:37,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-17 22:37:37,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-17 22:37:37,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-17 22:37:37,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-17 22:37:37,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-17 22:37:37,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-17 22:37:37,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-17 22:37:37,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-17 22:37:37,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-17 22:37:37,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-17 22:37:37,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-17 22:37:37,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-17 22:37:37,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-17 22:37:37,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-17 22:37:37,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-17 22:37:37,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-17 22:37:37,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-17 22:37:37,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-17 22:37:37,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-17 22:37:37,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-17 22:37:37,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-17 22:37:37,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-17 22:37:37,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-17 22:37:37,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-17 22:37:37,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-17 22:37:37,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-17 22:37:37,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-17 22:37:37,267 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 [2022-01-17 22:37:37,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-17 22:37:37,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-17 22:37:37,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-17 22:37:37,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-17 22:37:37,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-17 22:37:37,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-17 22:37:37,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-17 22:37:37,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-17 22:37:37,295 INFO L138 SettingsManager]: * Use SBE=true [2022-01-17 22:37:37,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-17 22:37:37,295 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-17 22:37:37,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-17 22:37:37,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-17 22:37:37,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-17 22:37:37,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-17 22:37:37,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-17 22:37:37,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-17 22:37:37,297 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-17 22:37:37,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-17 22:37:37,297 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-17 22:37:37,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-17 22:37:37,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-17 22:37:37,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-17 22:37:37,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-17 22:37:37,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-17 22:37:37,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:37:37,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-17 22:37:37,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-17 22:37:37,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-17 22:37:37,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-17 22:37:37,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-17 22:37:37,308 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-17 22:37:37,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-17 22:37:37,308 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-17 22:37:37,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-17 22:37:37,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-17 22:37:37,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-17 22:37:37,516 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-17 22:37:37,518 INFO L275 PluginConnector]: CDTParser initialized [2022-01-17 22:37:37,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2022-01-17 22:37:37,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7ff436f8/b48a97a0b009472fb1566ad6d4eca424/FLAG205934b24 [2022-01-17 22:37:38,077 INFO L306 CDTParser]: Found 1 translation units. [2022-01-17 22:37:38,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2022-01-17 22:37:38,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7ff436f8/b48a97a0b009472fb1566ad6d4eca424/FLAG205934b24 [2022-01-17 22:37:38,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7ff436f8/b48a97a0b009472fb1566ad6d4eca424 [2022-01-17 22:37:38,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-17 22:37:38,597 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-17 22:37:38,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-17 22:37:38,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-17 22:37:38,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-17 22:37:38,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:37:38" (1/1) ... [2022-01-17 22:37:38,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec8bb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:38, skipping insertion in model container [2022-01-17 22:37:38,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:37:38" (1/1) ... [2022-01-17 22:37:38,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-17 22:37:38,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-17 22:37:38,888 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] [2022-01-17 22:37:38,893 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] [2022-01-17 22:37:38,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:37:38,930 INFO L203 MainTranslator]: Completed pre-run [2022-01-17 22:37:38,976 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] [2022-01-17 22:37:38,977 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] [2022-01-17 22:37:38,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:37:39,035 INFO L208 MainTranslator]: Completed translation [2022-01-17 22:37:39,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:39 WrapperNode [2022-01-17 22:37:39,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-17 22:37:39,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-17 22:37:39,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-17 22:37:39,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-17 22:37:39,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:39" (1/1) ... [2022-01-17 22:37:39,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:39" (1/1) ... [2022-01-17 22:37:39,116 INFO L137 Inliner]: procedures = 177, calls = 54, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 270 [2022-01-17 22:37:39,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-17 22:37:39,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-17 22:37:39,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-17 22:37:39,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-17 22:37:39,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:39" (1/1) ... [2022-01-17 22:37:39,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:39" (1/1) ... [2022-01-17 22:37:39,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:39" (1/1) ... [2022-01-17 22:37:39,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:39" (1/1) ... [2022-01-17 22:37:39,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:39" (1/1) ... [2022-01-17 22:37:39,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:39" (1/1) ... [2022-01-17 22:37:39,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:39" (1/1) ... [2022-01-17 22:37:39,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-17 22:37:39,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-17 22:37:39,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-17 22:37:39,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-17 22:37:39,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:39" (1/1) ... [2022-01-17 22:37:39,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:37:39,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:37:39,212 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) [2022-01-17 22:37:39,238 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 [2022-01-17 22:37:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2022-01-17 22:37:39,253 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2022-01-17 22:37:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2022-01-17 22:37:39,253 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2022-01-17 22:37:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-17 22:37:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-17 22:37:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2022-01-17 22:37:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2022-01-17 22:37:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-17 22:37:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-17 22:37:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-17 22:37:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-17 22:37:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-17 22:37:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-17 22:37:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-17 22:37:39,257 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-17 22:37:39,378 INFO L234 CfgBuilder]: Building ICFG [2022-01-17 22:37:39,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-17 22:37:39,648 INFO L275 CfgBuilder]: Performing block encoding [2022-01-17 22:37:39,781 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-17 22:37:39,781 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-17 22:37:39,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:37:39 BoogieIcfgContainer [2022-01-17 22:37:39,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-17 22:37:39,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-17 22:37:39,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-17 22:37:39,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-17 22:37:39,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.01 10:37:38" (1/3) ... [2022-01-17 22:37:39,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b33b648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:37:39, skipping insertion in model container [2022-01-17 22:37:39,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:39" (2/3) ... [2022-01-17 22:37:39,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b33b648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:37:39, skipping insertion in model container [2022-01-17 22:37:39,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:37:39" (3/3) ... [2022-01-17 22:37:39,808 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2022-01-17 22:37:39,812 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-17 22:37:39,812 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-17 22:37:39,812 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-17 22:37:39,812 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-17 22:37:39,865 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,865 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,865 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,866 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,866 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,866 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,866 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,866 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,866 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,867 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,867 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,867 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,867 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,868 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,868 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,868 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,868 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,868 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,868 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,869 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,869 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,869 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,869 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,870 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,870 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,870 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,871 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,871 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,871 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,871 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,871 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,871 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,871 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,872 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,872 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,872 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,872 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,872 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,872 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,872 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,873 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,873 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,873 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,873 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,873 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,873 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,873 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,874 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,874 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,874 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,875 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,875 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,875 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,875 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,875 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,875 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,876 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,876 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,876 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,876 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,876 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,876 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,876 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,877 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,877 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,877 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,878 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,878 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,878 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,878 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,879 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,879 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,879 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,879 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,879 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,880 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,880 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,880 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,880 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,880 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,880 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,881 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,881 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,881 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,881 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,882 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,882 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,882 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,882 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,883 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,883 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,883 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,883 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,883 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,884 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,884 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,884 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,884 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,884 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,885 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,885 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,885 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,885 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,885 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,885 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,886 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,886 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,886 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,886 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,886 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,886 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,886 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,887 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,887 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,887 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,887 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,887 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,887 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,887 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,888 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,888 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,888 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,888 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,888 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,889 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,889 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,889 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,889 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,889 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,889 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,889 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,890 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,890 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,890 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,890 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,890 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,890 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,890 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,891 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,891 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,892 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,892 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,892 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,892 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,892 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,892 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,893 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,893 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,893 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,893 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,893 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,893 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,894 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,894 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,894 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,894 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,894 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,895 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,895 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,895 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,895 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,895 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,895 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,896 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,896 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,896 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,896 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,896 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,896 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,896 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,896 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,897 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,897 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,897 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,897 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,897 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,897 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,897 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,898 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,898 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,898 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,898 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,898 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,898 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,898 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,899 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,899 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,899 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,899 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,900 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,900 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,900 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,900 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,900 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,900 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,901 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,901 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,901 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,901 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,901 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,901 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,902 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,902 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,902 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,902 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,902 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,903 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,903 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,903 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,903 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,903 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,904 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,904 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,904 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,904 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,904 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,905 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,905 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,905 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,905 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,905 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,906 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,906 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,906 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,906 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,906 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,906 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,907 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,907 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,907 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,907 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,907 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,907 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,907 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,908 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,908 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,908 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,908 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,908 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,908 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,909 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,909 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,909 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,909 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,909 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,909 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,910 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,910 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,910 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,910 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,910 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,910 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,911 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,911 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,911 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,911 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,911 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,911 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,911 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,911 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,912 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,912 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,912 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,912 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,912 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,912 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,913 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,913 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,913 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,913 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,913 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,913 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,914 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,914 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,914 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,914 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,914 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,914 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,914 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,915 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,915 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,915 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,915 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,915 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,915 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,915 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,916 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,916 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,916 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,916 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,916 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,917 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,917 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,917 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,917 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,917 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,917 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,918 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,918 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,918 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,918 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,918 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,919 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,919 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,919 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,919 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,919 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,919 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,919 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,919 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,919 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,920 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,920 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,920 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,920 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,920 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,920 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,920 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,921 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,921 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,921 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,921 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,921 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,921 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,922 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,922 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,922 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,922 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,922 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,922 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,923 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,923 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,923 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,923 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,923 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,923 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,924 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,924 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,924 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,924 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,924 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,924 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,924 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,925 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,925 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,925 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,925 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,925 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,926 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,926 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,926 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,926 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,929 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,929 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,929 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,929 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,930 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,930 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,930 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,930 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,930 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,930 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,931 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,931 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,931 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,931 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,931 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,931 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,931 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,932 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,932 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,932 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,932 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,932 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,932 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,932 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,933 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,933 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,933 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,933 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,933 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,933 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,933 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,933 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,934 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,934 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,934 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,935 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,935 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,935 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,935 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,935 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,936 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,936 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,936 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,936 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,936 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,936 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,936 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,936 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,937 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,937 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,937 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,937 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,937 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,937 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,938 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,938 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,938 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,938 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,938 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,939 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,939 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,939 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,939 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,939 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,939 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,939 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,940 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,940 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,940 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,940 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,940 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,940 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,940 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:39,943 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-17 22:37:39,978 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 22:37:39,983 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 [2022-01-17 22:37:39,983 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-01-17 22:37:39,999 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 175 places, 183 transitions, 390 flow [2022-01-17 22:37:42,709 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) [2022-01-17 22:37:42,877 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) [2022-01-17 22:37:42,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-17 22:37:42,972 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:37:42,975 INFO L514 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] [2022-01-17 22:37:42,976 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:37:42,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:37:42,984 INFO L85 PathProgramCache]: Analyzing trace with hash -707274187, now seen corresponding path program 1 times [2022-01-17 22:37:42,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:37:42,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495020570] [2022-01-17 22:37:42,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:37:42,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:37:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:37:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:37:43,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:37:43,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495020570] [2022-01-17 22:37:43,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495020570] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:37:43,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:37:43,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 22:37:43,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942647320] [2022-01-17 22:37:43,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:37:43,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:37:43,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:37:43,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:37:43,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:37:43,391 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) [2022-01-17 22:37:45,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:37:45,186 INFO L93 Difference]: Finished difference Result 102332 states and 398636 transitions. [2022-01-17 22:37:45,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:37:45,188 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 [2022-01-17 22:37:45,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:37:46,194 INFO L225 Difference]: With dead ends: 102332 [2022-01-17 22:37:46,194 INFO L226 Difference]: Without dead ends: 102332 [2022-01-17 22:37:46,195 INFO L932 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 [2022-01-17 22:37:46,198 INFO L933 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 [2022-01-17 22:37:46,199 INFO L934 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] [2022-01-17 22:37:46,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102332 states. [2022-01-17 22:37:49,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102332 to 90691. [2022-01-17 22:37:50,100 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) [2022-01-17 22:37:50,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90691 states to 90691 states and 355856 transitions. [2022-01-17 22:37:50,620 INFO L78 Accepts]: Start accepts. Automaton has 90691 states and 355856 transitions. Word has length 59 [2022-01-17 22:37:50,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:37:50,621 INFO L470 AbstractCegarLoop]: Abstraction has 90691 states and 355856 transitions. [2022-01-17 22:37:50,621 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) [2022-01-17 22:37:50,622 INFO L276 IsEmpty]: Start isEmpty. Operand 90691 states and 355856 transitions. [2022-01-17 22:37:50,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-17 22:37:50,677 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:37:50,677 INFO L514 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] [2022-01-17 22:37:50,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-17 22:37:50,678 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:37:50,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:37:50,679 INFO L85 PathProgramCache]: Analyzing trace with hash -234050775, now seen corresponding path program 1 times [2022-01-17 22:37:50,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:37:50,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210378225] [2022-01-17 22:37:50,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:37:50,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:37:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:37:50,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:37:50,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:37:50,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210378225] [2022-01-17 22:37:50,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210378225] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:37:50,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:37:50,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 22:37:50,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197002589] [2022-01-17 22:37:50,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:37:50,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:37:50,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:37:50,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:37:50,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:37:50,849 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) [2022-01-17 22:37:52,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:37:52,162 INFO L93 Difference]: Finished difference Result 89491 states and 351136 transitions. [2022-01-17 22:37:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:37:52,162 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 [2022-01-17 22:37:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:37:53,257 INFO L225 Difference]: With dead ends: 89491 [2022-01-17 22:37:53,257 INFO L226 Difference]: Without dead ends: 89491 [2022-01-17 22:37:53,258 INFO L932 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 [2022-01-17 22:37:53,259 INFO L933 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 [2022-01-17 22:37:53,259 INFO L934 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] [2022-01-17 22:37:53,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89491 states. [2022-01-17 22:37:55,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89491 to 89491. [2022-01-17 22:37:55,998 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) [2022-01-17 22:37:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89491 states to 89491 states and 351136 transitions. [2022-01-17 22:37:56,353 INFO L78 Accepts]: Start accepts. Automaton has 89491 states and 351136 transitions. Word has length 64 [2022-01-17 22:37:56,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:37:56,353 INFO L470 AbstractCegarLoop]: Abstraction has 89491 states and 351136 transitions. [2022-01-17 22:37:56,354 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) [2022-01-17 22:37:56,354 INFO L276 IsEmpty]: Start isEmpty. Operand 89491 states and 351136 transitions. [2022-01-17 22:37:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-01-17 22:37:56,406 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:37:56,406 INFO L514 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] [2022-01-17 22:37:56,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-17 22:37:56,406 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:37:56,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:37:56,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1873848571, now seen corresponding path program 1 times [2022-01-17 22:37:56,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:37:56,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808962624] [2022-01-17 22:37:56,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:37:56,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:37:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:37:56,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:37:56,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:37:56,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808962624] [2022-01-17 22:37:56,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808962624] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:37:56,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:37:56,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 22:37:56,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055219878] [2022-01-17 22:37:56,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:37:56,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:37:56,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:37:56,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:37:56,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:37:56,526 INFO L87 Difference]: Start difference. First operand 89491 states and 351136 transitions. Second operand has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 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) [2022-01-17 22:37:57,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:37:57,613 INFO L93 Difference]: Finished difference Result 88246 states and 346275 transitions. [2022-01-17 22:37:57,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:37:57,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 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 [2022-01-17 22:37:57,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:37:57,923 INFO L225 Difference]: With dead ends: 88246 [2022-01-17 22:37:57,923 INFO L226 Difference]: Without dead ends: 88246 [2022-01-17 22:37:57,924 INFO L932 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 [2022-01-17 22:37:57,925 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 79 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:37:57,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 238 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:37:58,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88246 states. [2022-01-17 22:38:00,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88246 to 88246. [2022-01-17 22:38:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88246 states, 88244 states have (on average 3.9240628258011876) internal successors, (346275), 88245 states have internal predecessors, (346275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88246 states to 88246 states and 346275 transitions. [2022-01-17 22:38:01,358 INFO L78 Accepts]: Start accepts. Automaton has 88246 states and 346275 transitions. Word has length 67 [2022-01-17 22:38:01,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:01,372 INFO L470 AbstractCegarLoop]: Abstraction has 88246 states and 346275 transitions. [2022-01-17 22:38:01,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 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) [2022-01-17 22:38:01,372 INFO L276 IsEmpty]: Start isEmpty. Operand 88246 states and 346275 transitions. [2022-01-17 22:38:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-01-17 22:38:01,567 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:01,568 INFO L514 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] [2022-01-17 22:38:01,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-17 22:38:01,568 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:01,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:01,569 INFO L85 PathProgramCache]: Analyzing trace with hash 770716637, now seen corresponding path program 1 times [2022-01-17 22:38:01,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:01,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643148439] [2022-01-17 22:38:01,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:01,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:01,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:01,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:01,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643148439] [2022-01-17 22:38:01,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643148439] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:01,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:01,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-17 22:38:01,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738689256] [2022-01-17 22:38:01,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:01,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-17 22:38:01,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:01,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-17 22:38:01,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-17 22:38:01,792 INFO L87 Difference]: Start difference. First operand 88246 states and 346275 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) [2022-01-17 22:38:02,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:02,633 INFO L93 Difference]: Finished difference Result 98762 states and 380528 transitions. [2022-01-17 22:38:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-17 22:38:02,634 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 [2022-01-17 22:38:02,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:03,764 INFO L225 Difference]: With dead ends: 98762 [2022-01-17 22:38:03,765 INFO L226 Difference]: Without dead ends: 98682 [2022-01-17 22:38:03,768 INFO L932 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 [2022-01-17 22:38:03,775 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 413 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:03,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [413 Valid, 775 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:03,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98682 states. [2022-01-17 22:38:05,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98682 to 95110. [2022-01-17 22:38:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95110 states, 95108 states have (on average 3.855206712369096) internal successors, (366661), 95109 states have internal predecessors, (366661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95110 states to 95110 states and 366661 transitions. [2022-01-17 22:38:06,898 INFO L78 Accepts]: Start accepts. Automaton has 95110 states and 366661 transitions. Word has length 73 [2022-01-17 22:38:06,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:06,899 INFO L470 AbstractCegarLoop]: Abstraction has 95110 states and 366661 transitions. [2022-01-17 22:38:06,899 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) [2022-01-17 22:38:06,899 INFO L276 IsEmpty]: Start isEmpty. Operand 95110 states and 366661 transitions. [2022-01-17 22:38:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-01-17 22:38:07,003 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:07,004 INFO L514 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] [2022-01-17 22:38:07,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-17 22:38:07,004 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:07,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:07,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1387068515, now seen corresponding path program 1 times [2022-01-17 22:38:07,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:07,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933288333] [2022-01-17 22:38:07,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:07,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:07,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:07,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933288333] [2022-01-17 22:38:07,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933288333] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:07,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:07,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-17 22:38:07,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502078350] [2022-01-17 22:38:07,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:07,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-17 22:38:07,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:07,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-17 22:38:07,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-17 22:38:07,132 INFO L87 Difference]: Start difference. First operand 95110 states and 366661 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) [2022-01-17 22:38:08,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:08,674 INFO L93 Difference]: Finished difference Result 103854 states and 397464 transitions. [2022-01-17 22:38:08,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-17 22:38:08,676 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 [2022-01-17 22:38:08,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:09,170 INFO L225 Difference]: With dead ends: 103854 [2022-01-17 22:38:09,170 INFO L226 Difference]: Without dead ends: 103854 [2022-01-17 22:38:09,171 INFO L932 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 [2022-01-17 22:38:09,171 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 527 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:09,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [527 Valid, 1150 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:09,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103854 states. [2022-01-17 22:38:11,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103854 to 95989. [2022-01-17 22:38:11,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95989 states, 95987 states have (on average 3.852834237969725) internal successors, (369822), 95988 states have internal predecessors, (369822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:12,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95989 states to 95989 states and 369822 transitions. [2022-01-17 22:38:12,146 INFO L78 Accepts]: Start accepts. Automaton has 95989 states and 369822 transitions. Word has length 73 [2022-01-17 22:38:12,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:12,146 INFO L470 AbstractCegarLoop]: Abstraction has 95989 states and 369822 transitions. [2022-01-17 22:38:12,146 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) [2022-01-17 22:38:12,146 INFO L276 IsEmpty]: Start isEmpty. Operand 95989 states and 369822 transitions. [2022-01-17 22:38:12,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-01-17 22:38:12,231 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:12,231 INFO L514 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] [2022-01-17 22:38:12,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-17 22:38:12,231 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:12,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:12,232 INFO L85 PathProgramCache]: Analyzing trace with hash 349066141, now seen corresponding path program 2 times [2022-01-17 22:38:12,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:12,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767462185] [2022-01-17 22:38:12,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:12,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:12,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:12,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767462185] [2022-01-17 22:38:12,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767462185] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:12,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:12,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-17 22:38:12,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140562295] [2022-01-17 22:38:12,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:12,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-17 22:38:12,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:12,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-17 22:38:12,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-17 22:38:12,333 INFO L87 Difference]: Start difference. First operand 95989 states and 369822 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) [2022-01-17 22:38:13,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:13,762 INFO L93 Difference]: Finished difference Result 103854 states and 397464 transitions. [2022-01-17 22:38:13,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-17 22:38:13,763 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 [2022-01-17 22:38:13,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:14,172 INFO L225 Difference]: With dead ends: 103854 [2022-01-17 22:38:14,172 INFO L226 Difference]: Without dead ends: 103854 [2022-01-17 22:38:14,173 INFO L932 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 [2022-01-17 22:38:14,173 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 368 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:14,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [368 Valid, 1098 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:14,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103854 states. [2022-01-17 22:38:16,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103854 to 95245. [2022-01-17 22:38:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95245 states, 95243 states have (on average 3.8531335636214736) internal successors, (366984), 95244 states have internal predecessors, (366984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:17,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95245 states to 95245 states and 366984 transitions. [2022-01-17 22:38:17,240 INFO L78 Accepts]: Start accepts. Automaton has 95245 states and 366984 transitions. Word has length 73 [2022-01-17 22:38:17,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:17,240 INFO L470 AbstractCegarLoop]: Abstraction has 95245 states and 366984 transitions. [2022-01-17 22:38:17,241 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) [2022-01-17 22:38:17,241 INFO L276 IsEmpty]: Start isEmpty. Operand 95245 states and 366984 transitions. [2022-01-17 22:38:17,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-01-17 22:38:17,354 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:17,354 INFO L514 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] [2022-01-17 22:38:17,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-17 22:38:17,355 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:17,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:17,355 INFO L85 PathProgramCache]: Analyzing trace with hash -2077111725, now seen corresponding path program 3 times [2022-01-17 22:38:17,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:17,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592585959] [2022-01-17 22:38:17,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:17,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:17,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:17,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592585959] [2022-01-17 22:38:17,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592585959] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:17,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:17,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-17 22:38:17,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191189977] [2022-01-17 22:38:17,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:17,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-17 22:38:17,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:17,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-17 22:38:17,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-17 22:38:17,455 INFO L87 Difference]: Start difference. First operand 95245 states and 366984 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) [2022-01-17 22:38:18,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:18,931 INFO L93 Difference]: Finished difference Result 115205 states and 439338 transitions. [2022-01-17 22:38:18,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-17 22:38:18,932 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 [2022-01-17 22:38:18,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:19,341 INFO L225 Difference]: With dead ends: 115205 [2022-01-17 22:38:19,341 INFO L226 Difference]: Without dead ends: 115205 [2022-01-17 22:38:19,341 INFO L932 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 [2022-01-17 22:38:19,342 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 504 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:19,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [504 Valid, 1075 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-17 22:38:20,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115205 states. [2022-01-17 22:38:22,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115205 to 113698. [2022-01-17 22:38:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113698 states, 113696 states have (on average 3.8218670841542357) internal successors, (434531), 113697 states have internal predecessors, (434531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:23,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113698 states to 113698 states and 434531 transitions. [2022-01-17 22:38:23,631 INFO L78 Accepts]: Start accepts. Automaton has 113698 states and 434531 transitions. Word has length 73 [2022-01-17 22:38:23,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:23,632 INFO L470 AbstractCegarLoop]: Abstraction has 113698 states and 434531 transitions. [2022-01-17 22:38:23,632 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) [2022-01-17 22:38:23,632 INFO L276 IsEmpty]: Start isEmpty. Operand 113698 states and 434531 transitions. [2022-01-17 22:38:23,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-01-17 22:38:23,781 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:23,782 INFO L514 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] [2022-01-17 22:38:23,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-17 22:38:23,782 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:23,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:23,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1932022239, now seen corresponding path program 1 times [2022-01-17 22:38:23,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:23,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644868638] [2022-01-17 22:38:23,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:23,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:23,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:23,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:23,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644868638] [2022-01-17 22:38:23,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644868638] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:23,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:23,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 22:38:23,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095571607] [2022-01-17 22:38:23,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:23,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:38:23,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:23,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:38:23,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:38:23,848 INFO L87 Difference]: Start difference. First operand 113698 states and 434531 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) [2022-01-17 22:38:25,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:25,120 INFO L93 Difference]: Finished difference Result 113698 states and 434148 transitions. [2022-01-17 22:38:25,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:38:25,121 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 [2022-01-17 22:38:25,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:25,641 INFO L225 Difference]: With dead ends: 113698 [2022-01-17 22:38:25,641 INFO L226 Difference]: Without dead ends: 113698 [2022-01-17 22:38:25,642 INFO L932 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 [2022-01-17 22:38:25,642 INFO L933 BasicCegarLoop]: 225 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, 355 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 [2022-01-17 22:38:25,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 355 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:38:25,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113698 states. [2022-01-17 22:38:28,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113698 to 97909. [2022-01-17 22:38:28,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97909 states, 97907 states have (on average 3.850868681503876) internal successors, (377027), 97908 states have internal predecessors, (377027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:28,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97909 states to 97909 states and 377027 transitions. [2022-01-17 22:38:28,898 INFO L78 Accepts]: Start accepts. Automaton has 97909 states and 377027 transitions. Word has length 75 [2022-01-17 22:38:28,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:28,899 INFO L470 AbstractCegarLoop]: Abstraction has 97909 states and 377027 transitions. [2022-01-17 22:38:28,899 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) [2022-01-17 22:38:28,899 INFO L276 IsEmpty]: Start isEmpty. Operand 97909 states and 377027 transitions. [2022-01-17 22:38:29,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-01-17 22:38:29,020 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:29,020 INFO L514 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] [2022-01-17 22:38:29,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-17 22:38:29,021 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:29,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:29,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1994632014, now seen corresponding path program 1 times [2022-01-17 22:38:29,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:29,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208922918] [2022-01-17 22:38:29,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:29,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:29,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:29,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208922918] [2022-01-17 22:38:29,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208922918] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:29,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:29,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 22:38:29,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417334364] [2022-01-17 22:38:29,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:29,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 22:38:29,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:29,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 22:38:29,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:38:29,079 INFO L87 Difference]: Start difference. First operand 97909 states and 377027 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:30,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:30,517 INFO L93 Difference]: Finished difference Result 116579 states and 445371 transitions. [2022-01-17 22:38:30,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-17 22:38:30,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-01-17 22:38:30,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:30,626 INFO L225 Difference]: With dead ends: 116579 [2022-01-17 22:38:30,626 INFO L226 Difference]: Without dead ends: 34817 [2022-01-17 22:38:30,626 INFO L932 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 [2022-01-17 22:38:30,627 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 316 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:30,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [316 Valid, 698 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:38:30,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34817 states. [2022-01-17 22:38:31,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34817 to 34699. [2022-01-17 22:38:31,731 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) [2022-01-17 22:38:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34699 states to 34699 states and 122320 transitions. [2022-01-17 22:38:31,850 INFO L78 Accepts]: Start accepts. Automaton has 34699 states and 122320 transitions. Word has length 76 [2022-01-17 22:38:31,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:31,851 INFO L470 AbstractCegarLoop]: Abstraction has 34699 states and 122320 transitions. [2022-01-17 22:38:31,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:31,851 INFO L276 IsEmpty]: Start isEmpty. Operand 34699 states and 122320 transitions. [2022-01-17 22:38:31,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-01-17 22:38:31,885 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:31,885 INFO L514 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] [2022-01-17 22:38:31,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-17 22:38:31,886 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:31,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:31,886 INFO L85 PathProgramCache]: Analyzing trace with hash -703791390, now seen corresponding path program 1 times [2022-01-17 22:38:31,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:31,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880284602] [2022-01-17 22:38:31,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:31,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:31,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:31,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:31,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880284602] [2022-01-17 22:38:31,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880284602] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:31,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:31,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 22:38:31,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203435710] [2022-01-17 22:38:31,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:31,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:38:31,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:31,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:38:31,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:38:31,949 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) [2022-01-17 22:38:32,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:32,165 INFO L93 Difference]: Finished difference Result 34699 states and 121985 transitions. [2022-01-17 22:38:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:38:32,166 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 [2022-01-17 22:38:32,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:32,219 INFO L225 Difference]: With dead ends: 34699 [2022-01-17 22:38:32,219 INFO L226 Difference]: Without dead ends: 19399 [2022-01-17 22:38:32,219 INFO L932 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 [2022-01-17 22:38:32,220 INFO L933 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 [2022-01-17 22:38:32,221 INFO L934 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] [2022-01-17 22:38:32,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19399 states. [2022-01-17 22:38:32,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19399 to 18751. [2022-01-17 22:38:32,542 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) [2022-01-17 22:38:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18751 states to 18751 states and 60760 transitions. [2022-01-17 22:38:32,583 INFO L78 Accepts]: Start accepts. Automaton has 18751 states and 60760 transitions. Word has length 78 [2022-01-17 22:38:32,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:32,584 INFO L470 AbstractCegarLoop]: Abstraction has 18751 states and 60760 transitions. [2022-01-17 22:38:32,584 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) [2022-01-17 22:38:32,584 INFO L276 IsEmpty]: Start isEmpty. Operand 18751 states and 60760 transitions. [2022-01-17 22:38:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-17 22:38:32,608 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:32,608 INFO L514 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] [2022-01-17 22:38:32,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-17 22:38:32,608 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:32,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:32,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1069736192, now seen corresponding path program 1 times [2022-01-17 22:38:32,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:32,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901459948] [2022-01-17 22:38:32,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:32,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:32,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:32,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:32,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901459948] [2022-01-17 22:38:32,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901459948] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:32,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:32,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 22:38:32,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486011399] [2022-01-17 22:38:32,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:32,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:38:32,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:32,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:38:32,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:38:32,639 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) [2022-01-17 22:38:32,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:32,758 INFO L93 Difference]: Finished difference Result 20716 states and 66202 transitions. [2022-01-17 22:38:32,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:38:32,758 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 [2022-01-17 22:38:32,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:32,798 INFO L225 Difference]: With dead ends: 20716 [2022-01-17 22:38:32,798 INFO L226 Difference]: Without dead ends: 20716 [2022-01-17 22:38:32,798 INFO L932 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 [2022-01-17 22:38:32,798 INFO L933 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 [2022-01-17 22:38:32,799 INFO L934 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] [2022-01-17 22:38:32,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20716 states. [2022-01-17 22:38:33,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20716 to 18918. [2022-01-17 22:38:33,384 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) [2022-01-17 22:38:33,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18918 states to 18918 states and 61229 transitions. [2022-01-17 22:38:33,431 INFO L78 Accepts]: Start accepts. Automaton has 18918 states and 61229 transitions. Word has length 81 [2022-01-17 22:38:33,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:33,431 INFO L470 AbstractCegarLoop]: Abstraction has 18918 states and 61229 transitions. [2022-01-17 22:38:33,431 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) [2022-01-17 22:38:33,431 INFO L276 IsEmpty]: Start isEmpty. Operand 18918 states and 61229 transitions. [2022-01-17 22:38:33,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-17 22:38:33,456 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:33,456 INFO L514 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] [2022-01-17 22:38:33,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-17 22:38:33,457 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:33,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:33,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1070749086, now seen corresponding path program 1 times [2022-01-17 22:38:33,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:33,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669330642] [2022-01-17 22:38:33,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:33,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:33,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:33,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669330642] [2022-01-17 22:38:33,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669330642] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:33,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:33,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-17 22:38:33,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161684233] [2022-01-17 22:38:33,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:33,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 22:38:33,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:33,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 22:38:33,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:38:33,508 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) [2022-01-17 22:38:33,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:33,697 INFO L93 Difference]: Finished difference Result 20969 states and 66552 transitions. [2022-01-17 22:38:33,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-17 22:38:33,697 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 [2022-01-17 22:38:33,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:33,739 INFO L225 Difference]: With dead ends: 20969 [2022-01-17 22:38:33,739 INFO L226 Difference]: Without dead ends: 20753 [2022-01-17 22:38:33,739 INFO L932 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 [2022-01-17 22:38:33,740 INFO L933 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 [2022-01-17 22:38:33,741 INFO L934 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] [2022-01-17 22:38:33,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20753 states. [2022-01-17 22:38:33,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20753 to 19106. [2022-01-17 22:38:34,009 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) [2022-01-17 22:38:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19106 states to 19106 states and 61755 transitions. [2022-01-17 22:38:34,053 INFO L78 Accepts]: Start accepts. Automaton has 19106 states and 61755 transitions. Word has length 81 [2022-01-17 22:38:34,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:34,054 INFO L470 AbstractCegarLoop]: Abstraction has 19106 states and 61755 transitions. [2022-01-17 22:38:34,054 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) [2022-01-17 22:38:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 19106 states and 61755 transitions. [2022-01-17 22:38:34,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-17 22:38:34,085 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:34,085 INFO L514 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] [2022-01-17 22:38:34,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-17 22:38:34,085 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:34,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:34,086 INFO L85 PathProgramCache]: Analyzing trace with hash -236560256, now seen corresponding path program 1 times [2022-01-17 22:38:34,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:34,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522556141] [2022-01-17 22:38:34,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:34,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:34,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:34,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522556141] [2022-01-17 22:38:34,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522556141] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:34,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:34,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 22:38:34,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993647441] [2022-01-17 22:38:34,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:34,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:38:34,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:34,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:38:34,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:38:34,122 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) [2022-01-17 22:38:34,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:34,224 INFO L93 Difference]: Finished difference Result 16309 states and 53201 transitions. [2022-01-17 22:38:34,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:38:34,224 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 [2022-01-17 22:38:34,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:34,265 INFO L225 Difference]: With dead ends: 16309 [2022-01-17 22:38:34,265 INFO L226 Difference]: Without dead ends: 16309 [2022-01-17 22:38:34,265 INFO L932 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 [2022-01-17 22:38:34,266 INFO L933 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 [2022-01-17 22:38:34,266 INFO L934 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] [2022-01-17 22:38:34,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16309 states. [2022-01-17 22:38:34,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16309 to 16060. [2022-01-17 22:38:34,598 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) [2022-01-17 22:38:34,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16060 states to 16060 states and 52654 transitions. [2022-01-17 22:38:34,634 INFO L78 Accepts]: Start accepts. Automaton has 16060 states and 52654 transitions. Word has length 81 [2022-01-17 22:38:34,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:34,634 INFO L470 AbstractCegarLoop]: Abstraction has 16060 states and 52654 transitions. [2022-01-17 22:38:34,634 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) [2022-01-17 22:38:34,634 INFO L276 IsEmpty]: Start isEmpty. Operand 16060 states and 52654 transitions. [2022-01-17 22:38:34,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-01-17 22:38:34,659 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:34,659 INFO L514 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] [2022-01-17 22:38:34,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-17 22:38:34,659 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:34,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:34,660 INFO L85 PathProgramCache]: Analyzing trace with hash -2025675374, now seen corresponding path program 1 times [2022-01-17 22:38:34,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:34,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688053508] [2022-01-17 22:38:34,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:34,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:34,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:34,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688053508] [2022-01-17 22:38:34,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688053508] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:34,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:34,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-17 22:38:34,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663636423] [2022-01-17 22:38:34,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:34,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-17 22:38:34,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:34,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-17 22:38:34,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-01-17 22:38:34,787 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) [2022-01-17 22:38:35,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:35,146 INFO L93 Difference]: Finished difference Result 18173 states and 58963 transitions. [2022-01-17 22:38:35,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-17 22:38:35,147 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 [2022-01-17 22:38:35,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:35,193 INFO L225 Difference]: With dead ends: 18173 [2022-01-17 22:38:35,194 INFO L226 Difference]: Without dead ends: 17933 [2022-01-17 22:38:35,194 INFO L932 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 [2022-01-17 22:38:35,194 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 658 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:35,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [658 Valid, 1356 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:35,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17933 states. [2022-01-17 22:38:35,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17933 to 16168. [2022-01-17 22:38:35,435 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) [2022-01-17 22:38:35,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16168 states to 16168 states and 52660 transitions. [2022-01-17 22:38:35,470 INFO L78 Accepts]: Start accepts. Automaton has 16168 states and 52660 transitions. Word has length 84 [2022-01-17 22:38:35,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:35,471 INFO L470 AbstractCegarLoop]: Abstraction has 16168 states and 52660 transitions. [2022-01-17 22:38:35,471 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) [2022-01-17 22:38:35,471 INFO L276 IsEmpty]: Start isEmpty. Operand 16168 states and 52660 transitions. [2022-01-17 22:38:35,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-01-17 22:38:35,495 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:35,495 INFO L514 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] [2022-01-17 22:38:35,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-17 22:38:35,495 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:35,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:35,495 INFO L85 PathProgramCache]: Analyzing trace with hash 111506770, now seen corresponding path program 1 times [2022-01-17 22:38:35,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:35,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264414860] [2022-01-17 22:38:35,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:35,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:35,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:35,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264414860] [2022-01-17 22:38:35,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264414860] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:35,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:35,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-17 22:38:35,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151047165] [2022-01-17 22:38:35,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:35,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-17 22:38:35,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:35,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-17 22:38:35,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-01-17 22:38:35,618 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) [2022-01-17 22:38:36,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:36,028 INFO L93 Difference]: Finished difference Result 17608 states and 57247 transitions. [2022-01-17 22:38:36,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-17 22:38:36,029 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 [2022-01-17 22:38:36,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:36,064 INFO L225 Difference]: With dead ends: 17608 [2022-01-17 22:38:36,064 INFO L226 Difference]: Without dead ends: 17608 [2022-01-17 22:38:36,065 INFO L932 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 [2022-01-17 22:38:36,065 INFO L933 BasicCegarLoop]: 298 mSDtfsCounter, 803 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 1659 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:36,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [803 Valid, 1659 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:36,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17608 states. [2022-01-17 22:38:36,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17608 to 16096. [2022-01-17 22:38:36,360 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) [2022-01-17 22:38:36,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16096 states to 16096 states and 52462 transitions. [2022-01-17 22:38:36,395 INFO L78 Accepts]: Start accepts. Automaton has 16096 states and 52462 transitions. Word has length 84 [2022-01-17 22:38:36,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:36,395 INFO L470 AbstractCegarLoop]: Abstraction has 16096 states and 52462 transitions. [2022-01-17 22:38:36,395 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) [2022-01-17 22:38:36,395 INFO L276 IsEmpty]: Start isEmpty. Operand 16096 states and 52462 transitions. [2022-01-17 22:38:36,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-01-17 22:38:36,418 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:36,419 INFO L514 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] [2022-01-17 22:38:36,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-17 22:38:36,419 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:36,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:36,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1670966520, now seen corresponding path program 2 times [2022-01-17 22:38:36,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:36,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704266030] [2022-01-17 22:38:36,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:36,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:36,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:36,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704266030] [2022-01-17 22:38:36,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704266030] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:36,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:36,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-17 22:38:36,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394868405] [2022-01-17 22:38:36,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:36,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-17 22:38:36,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:36,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-17 22:38:36,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-17 22:38:36,563 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) [2022-01-17 22:38:36,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:36,918 INFO L93 Difference]: Finished difference Result 17765 states and 57689 transitions. [2022-01-17 22:38:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-17 22:38:36,918 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 [2022-01-17 22:38:36,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:36,965 INFO L225 Difference]: With dead ends: 17765 [2022-01-17 22:38:36,966 INFO L226 Difference]: Without dead ends: 17765 [2022-01-17 22:38:36,966 INFO L932 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 [2022-01-17 22:38:36,968 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 574 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:36,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [574 Valid, 1333 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:37,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17765 states. [2022-01-17 22:38:37,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17765 to 16060. [2022-01-17 22:38:37,232 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) [2022-01-17 22:38:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16060 states to 16060 states and 52375 transitions. [2022-01-17 22:38:37,268 INFO L78 Accepts]: Start accepts. Automaton has 16060 states and 52375 transitions. Word has length 84 [2022-01-17 22:38:37,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:37,268 INFO L470 AbstractCegarLoop]: Abstraction has 16060 states and 52375 transitions. [2022-01-17 22:38:37,268 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) [2022-01-17 22:38:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 16060 states and 52375 transitions. [2022-01-17 22:38:37,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-01-17 22:38:37,291 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:37,291 INFO L514 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] [2022-01-17 22:38:37,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-17 22:38:37,292 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:37,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:37,292 INFO L85 PathProgramCache]: Analyzing trace with hash -486818632, now seen corresponding path program 2 times [2022-01-17 22:38:37,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:37,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915884357] [2022-01-17 22:38:37,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:37,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:37,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:37,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:37,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915884357] [2022-01-17 22:38:37,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915884357] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:37,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:37,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-17 22:38:37,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334562520] [2022-01-17 22:38:37,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:37,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-17 22:38:37,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:37,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-17 22:38:37,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-01-17 22:38:37,443 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) [2022-01-17 22:38:37,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:37,862 INFO L93 Difference]: Finished difference Result 17365 states and 56648 transitions. [2022-01-17 22:38:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-17 22:38:37,863 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 [2022-01-17 22:38:37,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:37,908 INFO L225 Difference]: With dead ends: 17365 [2022-01-17 22:38:37,908 INFO L226 Difference]: Without dead ends: 17365 [2022-01-17 22:38:37,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2022-01-17 22:38:37,909 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 508 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:37,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 1687 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:37,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17365 states. [2022-01-17 22:38:38,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17365 to 15700. [2022-01-17 22:38:38,259 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) [2022-01-17 22:38:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15700 states to 15700 states and 51406 transitions. [2022-01-17 22:38:38,294 INFO L78 Accepts]: Start accepts. Automaton has 15700 states and 51406 transitions. Word has length 84 [2022-01-17 22:38:38,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:38,294 INFO L470 AbstractCegarLoop]: Abstraction has 15700 states and 51406 transitions. [2022-01-17 22:38:38,294 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) [2022-01-17 22:38:38,294 INFO L276 IsEmpty]: Start isEmpty. Operand 15700 states and 51406 transitions. [2022-01-17 22:38:38,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-17 22:38:38,317 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:38,317 INFO L514 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] [2022-01-17 22:38:38,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-17 22:38:38,317 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:38,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:38,317 INFO L85 PathProgramCache]: Analyzing trace with hash 952844316, now seen corresponding path program 1 times [2022-01-17 22:38:38,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:38,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776468719] [2022-01-17 22:38:38,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:38,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:38,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:38,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776468719] [2022-01-17 22:38:38,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776468719] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:38,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:38,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-17 22:38:38,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834807493] [2022-01-17 22:38:38,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:38,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-17 22:38:38,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:38,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-17 22:38:38,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-01-17 22:38:38,438 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) [2022-01-17 22:38:38,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:38,784 INFO L93 Difference]: Finished difference Result 19210 states and 61945 transitions. [2022-01-17 22:38:38,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-17 22:38:38,784 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 [2022-01-17 22:38:38,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:38,834 INFO L225 Difference]: With dead ends: 19210 [2022-01-17 22:38:38,834 INFO L226 Difference]: Without dead ends: 19210 [2022-01-17 22:38:38,834 INFO L932 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 [2022-01-17 22:38:38,835 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 455 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:38,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [455 Valid, 1209 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:38,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19210 states. [2022-01-17 22:38:39,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19210 to 16802. [2022-01-17 22:38:39,087 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) [2022-01-17 22:38:39,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16802 states to 16802 states and 54832 transitions. [2022-01-17 22:38:39,124 INFO L78 Accepts]: Start accepts. Automaton has 16802 states and 54832 transitions. Word has length 87 [2022-01-17 22:38:39,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:39,124 INFO L470 AbstractCegarLoop]: Abstraction has 16802 states and 54832 transitions. [2022-01-17 22:38:39,124 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) [2022-01-17 22:38:39,124 INFO L276 IsEmpty]: Start isEmpty. Operand 16802 states and 54832 transitions. [2022-01-17 22:38:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-17 22:38:39,152 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:39,152 INFO L514 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] [2022-01-17 22:38:39,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-17 22:38:39,153 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:39,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:39,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1150900316, now seen corresponding path program 1 times [2022-01-17 22:38:39,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:39,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972381763] [2022-01-17 22:38:39,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:39,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:39,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:39,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972381763] [2022-01-17 22:38:39,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972381763] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:39,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:39,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-17 22:38:39,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323480890] [2022-01-17 22:38:39,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:39,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-17 22:38:39,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:39,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-17 22:38:39,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-01-17 22:38:39,278 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) [2022-01-17 22:38:39,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:39,715 INFO L93 Difference]: Finished difference Result 18709 states and 60621 transitions. [2022-01-17 22:38:39,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-17 22:38:39,716 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 [2022-01-17 22:38:39,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:39,753 INFO L225 Difference]: With dead ends: 18709 [2022-01-17 22:38:39,753 INFO L226 Difference]: Without dead ends: 18709 [2022-01-17 22:38:39,754 INFO L932 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 [2022-01-17 22:38:39,754 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 517 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1679 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:39,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [517 Valid, 1679 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-17 22:38:39,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18709 states. [2022-01-17 22:38:40,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18709 to 16712. [2022-01-17 22:38:40,058 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) [2022-01-17 22:38:40,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16712 states to 16712 states and 54592 transitions. [2022-01-17 22:38:40,097 INFO L78 Accepts]: Start accepts. Automaton has 16712 states and 54592 transitions. Word has length 87 [2022-01-17 22:38:40,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:40,097 INFO L470 AbstractCegarLoop]: Abstraction has 16712 states and 54592 transitions. [2022-01-17 22:38:40,097 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) [2022-01-17 22:38:40,098 INFO L276 IsEmpty]: Start isEmpty. Operand 16712 states and 54592 transitions. [2022-01-17 22:38:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-17 22:38:40,122 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:40,122 INFO L514 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] [2022-01-17 22:38:40,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-17 22:38:40,122 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:40,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:40,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1964303902, now seen corresponding path program 2 times [2022-01-17 22:38:40,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:40,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976483595] [2022-01-17 22:38:40,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:40,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:40,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:40,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976483595] [2022-01-17 22:38:40,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976483595] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:40,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:40,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-17 22:38:40,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027578117] [2022-01-17 22:38:40,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:40,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-17 22:38:40,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:40,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-17 22:38:40,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-17 22:38:40,249 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) [2022-01-17 22:38:40,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:40,573 INFO L93 Difference]: Finished difference Result 18891 states and 61138 transitions. [2022-01-17 22:38:40,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-17 22:38:40,573 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 [2022-01-17 22:38:40,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:40,620 INFO L225 Difference]: With dead ends: 18891 [2022-01-17 22:38:40,620 INFO L226 Difference]: Without dead ends: 18891 [2022-01-17 22:38:40,621 INFO L932 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 [2022-01-17 22:38:40,621 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 627 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:40,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [627 Valid, 1285 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:40,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18891 states. [2022-01-17 22:38:40,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18891 to 16997. [2022-01-17 22:38:40,869 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) [2022-01-17 22:38:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16997 states to 16997 states and 55307 transitions. [2022-01-17 22:38:40,908 INFO L78 Accepts]: Start accepts. Automaton has 16997 states and 55307 transitions. Word has length 87 [2022-01-17 22:38:40,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:40,908 INFO L470 AbstractCegarLoop]: Abstraction has 16997 states and 55307 transitions. [2022-01-17 22:38:40,908 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) [2022-01-17 22:38:40,908 INFO L276 IsEmpty]: Start isEmpty. Operand 16997 states and 55307 transitions. [2022-01-17 22:38:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-17 22:38:40,935 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:40,935 INFO L514 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] [2022-01-17 22:38:40,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-17 22:38:40,935 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:40,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:40,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1766247902, now seen corresponding path program 2 times [2022-01-17 22:38:40,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:40,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203007801] [2022-01-17 22:38:40,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:40,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:41,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:41,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:41,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203007801] [2022-01-17 22:38:41,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203007801] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:41,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:41,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-17 22:38:41,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703242373] [2022-01-17 22:38:41,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:41,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-17 22:38:41,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:41,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-17 22:38:41,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-01-17 22:38:41,064 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) [2022-01-17 22:38:41,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:41,487 INFO L93 Difference]: Finished difference Result 18317 states and 59616 transitions. [2022-01-17 22:38:41,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-17 22:38:41,488 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 [2022-01-17 22:38:41,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:41,529 INFO L225 Difference]: With dead ends: 18317 [2022-01-17 22:38:41,530 INFO L226 Difference]: Without dead ends: 18317 [2022-01-17 22:38:41,530 INFO L932 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 [2022-01-17 22:38:41,530 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 687 mSDsluCounter, 1389 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:41,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 1611 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:41,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18317 states. [2022-01-17 22:38:41,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18317 to 16036. [2022-01-17 22:38:41,826 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) [2022-01-17 22:38:41,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16036 states to 16036 states and 52274 transitions. [2022-01-17 22:38:41,861 INFO L78 Accepts]: Start accepts. Automaton has 16036 states and 52274 transitions. Word has length 87 [2022-01-17 22:38:41,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:41,861 INFO L470 AbstractCegarLoop]: Abstraction has 16036 states and 52274 transitions. [2022-01-17 22:38:41,861 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) [2022-01-17 22:38:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 16036 states and 52274 transitions. [2022-01-17 22:38:41,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-17 22:38:41,885 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:41,885 INFO L514 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] [2022-01-17 22:38:41,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-17 22:38:41,885 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:41,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:41,886 INFO L85 PathProgramCache]: Analyzing trace with hash 166944156, now seen corresponding path program 3 times [2022-01-17 22:38:41,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:41,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990847340] [2022-01-17 22:38:41,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:41,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:42,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:42,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990847340] [2022-01-17 22:38:42,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990847340] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:42,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:42,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-17 22:38:42,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630297589] [2022-01-17 22:38:42,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:42,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-17 22:38:42,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:42,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-17 22:38:42,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-01-17 22:38:42,001 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) [2022-01-17 22:38:42,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:42,262 INFO L93 Difference]: Finished difference Result 17639 states and 57239 transitions. [2022-01-17 22:38:42,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-17 22:38:42,262 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 [2022-01-17 22:38:42,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:42,296 INFO L225 Difference]: With dead ends: 17639 [2022-01-17 22:38:42,296 INFO L226 Difference]: Without dead ends: 17363 [2022-01-17 22:38:42,296 INFO L932 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 [2022-01-17 22:38:42,297 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 857 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:42,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [857 Valid, 1121 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:38:42,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17363 states. [2022-01-17 22:38:42,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17363 to 15715. [2022-01-17 22:38:42,511 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) [2022-01-17 22:38:42,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15715 states to 15715 states and 51127 transitions. [2022-01-17 22:38:42,545 INFO L78 Accepts]: Start accepts. Automaton has 15715 states and 51127 transitions. Word has length 87 [2022-01-17 22:38:42,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:42,546 INFO L470 AbstractCegarLoop]: Abstraction has 15715 states and 51127 transitions. [2022-01-17 22:38:42,546 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) [2022-01-17 22:38:42,546 INFO L276 IsEmpty]: Start isEmpty. Operand 15715 states and 51127 transitions. [2022-01-17 22:38:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-17 22:38:42,569 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:42,569 INFO L514 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] [2022-01-17 22:38:42,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-17 22:38:42,570 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:42,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:42,570 INFO L85 PathProgramCache]: Analyzing trace with hash 365000156, now seen corresponding path program 3 times [2022-01-17 22:38:42,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:42,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806161713] [2022-01-17 22:38:42,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:42,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:42,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:42,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806161713] [2022-01-17 22:38:42,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806161713] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:42,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:42,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-17 22:38:42,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118646533] [2022-01-17 22:38:42,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:42,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-17 22:38:42,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:42,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-17 22:38:42,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-01-17 22:38:42,704 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) [2022-01-17 22:38:43,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:43,017 INFO L93 Difference]: Finished difference Result 16912 states and 55153 transitions. [2022-01-17 22:38:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-17 22:38:43,018 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 [2022-01-17 22:38:43,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:43,053 INFO L225 Difference]: With dead ends: 16912 [2022-01-17 22:38:43,053 INFO L226 Difference]: Without dead ends: 16912 [2022-01-17 22:38:43,053 INFO L932 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 [2022-01-17 22:38:43,054 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 818 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:43,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [818 Valid, 1250 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:43,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16912 states. [2022-01-17 22:38:43,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16912 to 15274. [2022-01-17 22:38:43,331 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) [2022-01-17 22:38:43,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15274 states to 15274 states and 49969 transitions. [2022-01-17 22:38:43,364 INFO L78 Accepts]: Start accepts. Automaton has 15274 states and 49969 transitions. Word has length 87 [2022-01-17 22:38:43,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:43,364 INFO L470 AbstractCegarLoop]: Abstraction has 15274 states and 49969 transitions. [2022-01-17 22:38:43,364 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) [2022-01-17 22:38:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 15274 states and 49969 transitions. [2022-01-17 22:38:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-17 22:38:43,386 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:43,386 INFO L514 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] [2022-01-17 22:38:43,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-17 22:38:43,386 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:43,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:43,387 INFO L85 PathProgramCache]: Analyzing trace with hash 814105171, now seen corresponding path program 1 times [2022-01-17 22:38:43,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:43,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468823403] [2022-01-17 22:38:43,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:43,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:43,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:43,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:43,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468823403] [2022-01-17 22:38:43,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468823403] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:43,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:43,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 22:38:43,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105436831] [2022-01-17 22:38:43,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:43,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 22:38:43,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:43,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 22:38:43,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:38:43,459 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) [2022-01-17 22:38:43,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:43,669 INFO L93 Difference]: Finished difference Result 16513 states and 54137 transitions. [2022-01-17 22:38:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-17 22:38:43,669 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 [2022-01-17 22:38:43,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:43,700 INFO L225 Difference]: With dead ends: 16513 [2022-01-17 22:38:43,700 INFO L226 Difference]: Without dead ends: 14989 [2022-01-17 22:38:43,700 INFO L932 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 [2022-01-17 22:38:43,701 INFO L933 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 [2022-01-17 22:38:43,701 INFO L934 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] [2022-01-17 22:38:43,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14989 states. [2022-01-17 22:38:43,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14989 to 13834. [2022-01-17 22:38:43,888 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) [2022-01-17 22:38:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13834 states to 13834 states and 45086 transitions. [2022-01-17 22:38:43,918 INFO L78 Accepts]: Start accepts. Automaton has 13834 states and 45086 transitions. Word has length 92 [2022-01-17 22:38:43,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:43,918 INFO L470 AbstractCegarLoop]: Abstraction has 13834 states and 45086 transitions. [2022-01-17 22:38:43,919 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) [2022-01-17 22:38:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 13834 states and 45086 transitions. [2022-01-17 22:38:43,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-17 22:38:43,939 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:43,939 INFO L514 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] [2022-01-17 22:38:43,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-17 22:38:43,939 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:43,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:43,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1666994155, now seen corresponding path program 2 times [2022-01-17 22:38:43,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:43,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319323296] [2022-01-17 22:38:43,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:43,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:44,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:44,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:44,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319323296] [2022-01-17 22:38:44,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319323296] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:44,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:44,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 22:38:44,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290002626] [2022-01-17 22:38:44,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:44,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 22:38:44,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:44,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 22:38:44,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:38:44,010 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) [2022-01-17 22:38:44,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:44,242 INFO L93 Difference]: Finished difference Result 15885 states and 51555 transitions. [2022-01-17 22:38:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-17 22:38:44,243 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 [2022-01-17 22:38:44,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:44,270 INFO L225 Difference]: With dead ends: 15885 [2022-01-17 22:38:44,270 INFO L226 Difference]: Without dead ends: 13925 [2022-01-17 22:38:44,270 INFO L932 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 [2022-01-17 22:38:44,271 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 440 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:44,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [440 Valid, 1128 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:38:44,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13925 states. [2022-01-17 22:38:44,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13925 to 13242. [2022-01-17 22:38:44,440 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) [2022-01-17 22:38:44,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13242 states to 13242 states and 43149 transitions. [2022-01-17 22:38:44,468 INFO L78 Accepts]: Start accepts. Automaton has 13242 states and 43149 transitions. Word has length 92 [2022-01-17 22:38:44,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:44,468 INFO L470 AbstractCegarLoop]: Abstraction has 13242 states and 43149 transitions. [2022-01-17 22:38:44,469 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) [2022-01-17 22:38:44,469 INFO L276 IsEmpty]: Start isEmpty. Operand 13242 states and 43149 transitions. [2022-01-17 22:38:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-17 22:38:44,532 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:44,533 INFO L514 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] [2022-01-17 22:38:44,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-17 22:38:44,533 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:44,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:44,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1677033629, now seen corresponding path program 3 times [2022-01-17 22:38:44,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:44,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582067500] [2022-01-17 22:38:44,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:44,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:44,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:44,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:44,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582067500] [2022-01-17 22:38:44,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582067500] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:44,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:44,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 22:38:44,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064220787] [2022-01-17 22:38:44,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:44,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-17 22:38:44,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:44,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-17 22:38:44,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-17 22:38:44,566 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) [2022-01-17 22:38:44,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:44,661 INFO L93 Difference]: Finished difference Result 13710 states and 44377 transitions. [2022-01-17 22:38:44,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-17 22:38:44,661 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 [2022-01-17 22:38:44,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:44,687 INFO L225 Difference]: With dead ends: 13710 [2022-01-17 22:38:44,687 INFO L226 Difference]: Without dead ends: 13670 [2022-01-17 22:38:44,688 INFO L932 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 [2022-01-17 22:38:44,688 INFO L933 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 [2022-01-17 22:38:44,688 INFO L934 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] [2022-01-17 22:38:44,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13670 states. [2022-01-17 22:38:44,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13670 to 13282. [2022-01-17 22:38:44,855 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) [2022-01-17 22:38:44,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13282 states to 13282 states and 43259 transitions. [2022-01-17 22:38:44,884 INFO L78 Accepts]: Start accepts. Automaton has 13282 states and 43259 transitions. Word has length 92 [2022-01-17 22:38:44,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:44,884 INFO L470 AbstractCegarLoop]: Abstraction has 13282 states and 43259 transitions. [2022-01-17 22:38:44,884 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) [2022-01-17 22:38:44,885 INFO L276 IsEmpty]: Start isEmpty. Operand 13282 states and 43259 transitions. [2022-01-17 22:38:44,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-17 22:38:44,905 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:44,905 INFO L514 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] [2022-01-17 22:38:44,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-17 22:38:44,906 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:44,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:44,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1159886597, now seen corresponding path program 4 times [2022-01-17 22:38:44,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:44,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092136351] [2022-01-17 22:38:44,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:44,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:44,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:44,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092136351] [2022-01-17 22:38:44,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092136351] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:44,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:44,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 22:38:44,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986665060] [2022-01-17 22:38:44,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:44,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 22:38:44,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:44,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 22:38:44,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:38:44,984 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) [2022-01-17 22:38:45,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:45,161 INFO L93 Difference]: Finished difference Result 13965 states and 45119 transitions. [2022-01-17 22:38:45,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-17 22:38:45,161 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 [2022-01-17 22:38:45,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:45,187 INFO L225 Difference]: With dead ends: 13965 [2022-01-17 22:38:45,188 INFO L226 Difference]: Without dead ends: 13685 [2022-01-17 22:38:45,188 INFO L932 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 [2022-01-17 22:38:45,188 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 553 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:45,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [553 Valid, 721 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:38:45,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13685 states. [2022-01-17 22:38:45,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13685 to 13258. [2022-01-17 22:38:45,354 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) [2022-01-17 22:38:45,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13258 states to 13258 states and 43193 transitions. [2022-01-17 22:38:45,382 INFO L78 Accepts]: Start accepts. Automaton has 13258 states and 43193 transitions. Word has length 92 [2022-01-17 22:38:45,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:45,382 INFO L470 AbstractCegarLoop]: Abstraction has 13258 states and 43193 transitions. [2022-01-17 22:38:45,382 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) [2022-01-17 22:38:45,382 INFO L276 IsEmpty]: Start isEmpty. Operand 13258 states and 43193 transitions. [2022-01-17 22:38:45,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-17 22:38:45,401 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:45,402 INFO L514 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] [2022-01-17 22:38:45,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-17 22:38:45,402 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:45,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:45,402 INFO L85 PathProgramCache]: Analyzing trace with hash 493196429, now seen corresponding path program 5 times [2022-01-17 22:38:45,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:45,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914030235] [2022-01-17 22:38:45,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:45,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:45,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:45,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:45,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914030235] [2022-01-17 22:38:45,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914030235] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:45,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:45,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 22:38:45,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182949646] [2022-01-17 22:38:45,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:45,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 22:38:45,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:45,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 22:38:45,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:38:45,476 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) [2022-01-17 22:38:45,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:45,707 INFO L93 Difference]: Finished difference Result 13757 states and 44519 transitions. [2022-01-17 22:38:45,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-17 22:38:45,707 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 [2022-01-17 22:38:45,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:45,736 INFO L225 Difference]: With dead ends: 13757 [2022-01-17 22:38:45,737 INFO L226 Difference]: Without dead ends: 13449 [2022-01-17 22:38:45,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-01-17 22:38:45,737 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 458 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:45,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [458 Valid, 908 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:38:45,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13449 states. [2022-01-17 22:38:45,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13449 to 12046. [2022-01-17 22:38:45,892 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) [2022-01-17 22:38:45,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12046 states to 12046 states and 39094 transitions. [2022-01-17 22:38:45,917 INFO L78 Accepts]: Start accepts. Automaton has 12046 states and 39094 transitions. Word has length 92 [2022-01-17 22:38:45,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:45,917 INFO L470 AbstractCegarLoop]: Abstraction has 12046 states and 39094 transitions. [2022-01-17 22:38:45,917 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) [2022-01-17 22:38:45,917 INFO L276 IsEmpty]: Start isEmpty. Operand 12046 states and 39094 transitions. [2022-01-17 22:38:45,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-17 22:38:45,934 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:45,934 INFO L514 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] [2022-01-17 22:38:45,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-17 22:38:45,934 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:45,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:45,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1167048635, now seen corresponding path program 1 times [2022-01-17 22:38:45,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:45,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763887705] [2022-01-17 22:38:45,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:45,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:46,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:46,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:46,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763887705] [2022-01-17 22:38:46,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763887705] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:46,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:46,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 22:38:46,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431011577] [2022-01-17 22:38:46,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:46,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 22:38:46,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:46,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 22:38:46,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:38:46,005 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) [2022-01-17 22:38:46,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:46,182 INFO L93 Difference]: Finished difference Result 13123 states and 42606 transitions. [2022-01-17 22:38:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-17 22:38:46,182 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 [2022-01-17 22:38:46,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:46,209 INFO L225 Difference]: With dead ends: 13123 [2022-01-17 22:38:46,210 INFO L226 Difference]: Without dead ends: 11263 [2022-01-17 22:38:46,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-01-17 22:38:46,210 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 538 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:46,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [538 Valid, 725 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:38:46,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11263 states. [2022-01-17 22:38:46,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11263 to 10291. [2022-01-17 22:38:46,354 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) [2022-01-17 22:38:46,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10291 states to 10291 states and 33365 transitions. [2022-01-17 22:38:46,375 INFO L78 Accepts]: Start accepts. Automaton has 10291 states and 33365 transitions. Word has length 95 [2022-01-17 22:38:46,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:46,375 INFO L470 AbstractCegarLoop]: Abstraction has 10291 states and 33365 transitions. [2022-01-17 22:38:46,376 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) [2022-01-17 22:38:46,376 INFO L276 IsEmpty]: Start isEmpty. Operand 10291 states and 33365 transitions. [2022-01-17 22:38:46,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-17 22:38:46,389 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:46,389 INFO L514 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] [2022-01-17 22:38:46,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-17 22:38:46,389 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:46,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:46,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1757089793, now seen corresponding path program 2 times [2022-01-17 22:38:46,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:46,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139056483] [2022-01-17 22:38:46,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:46,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:46,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:46,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:46,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139056483] [2022-01-17 22:38:46,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139056483] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:46,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:46,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 22:38:46,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191674897] [2022-01-17 22:38:46,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:46,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 22:38:46,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:46,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 22:38:46,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:38:46,462 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) [2022-01-17 22:38:46,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:46,629 INFO L93 Difference]: Finished difference Result 12180 states and 39178 transitions. [2022-01-17 22:38:46,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-17 22:38:46,629 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 [2022-01-17 22:38:46,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:46,653 INFO L225 Difference]: With dead ends: 12180 [2022-01-17 22:38:46,653 INFO L226 Difference]: Without dead ends: 9701 [2022-01-17 22:38:46,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-01-17 22:38:46,654 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 563 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:46,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [563 Valid, 767 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:38:46,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9701 states. [2022-01-17 22:38:46,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9701 to 9301. [2022-01-17 22:38:46,810 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) [2022-01-17 22:38:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9301 states to 9301 states and 29962 transitions. [2022-01-17 22:38:46,836 INFO L78 Accepts]: Start accepts. Automaton has 9301 states and 29962 transitions. Word has length 95 [2022-01-17 22:38:46,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:46,837 INFO L470 AbstractCegarLoop]: Abstraction has 9301 states and 29962 transitions. [2022-01-17 22:38:46,837 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) [2022-01-17 22:38:46,837 INFO L276 IsEmpty]: Start isEmpty. Operand 9301 states and 29962 transitions. [2022-01-17 22:38:46,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-17 22:38:46,852 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:46,852 INFO L514 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] [2022-01-17 22:38:46,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-17 22:38:46,853 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:46,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:46,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1290358573, now seen corresponding path program 3 times [2022-01-17 22:38:46,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:46,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109652257] [2022-01-17 22:38:46,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:46,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:46,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:46,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:46,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109652257] [2022-01-17 22:38:46,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109652257] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:46,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:46,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 22:38:46,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551622235] [2022-01-17 22:38:46,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:46,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 22:38:46,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:46,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 22:38:46,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:38:46,957 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) [2022-01-17 22:38:47,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:47,088 INFO L93 Difference]: Finished difference Result 9990 states and 31826 transitions. [2022-01-17 22:38:47,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-17 22:38:47,088 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 [2022-01-17 22:38:47,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:47,104 INFO L225 Difference]: With dead ends: 9990 [2022-01-17 22:38:47,104 INFO L226 Difference]: Without dead ends: 9689 [2022-01-17 22:38:47,105 INFO L932 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 [2022-01-17 22:38:47,105 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 365 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:47,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 889 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:38:47,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9689 states. [2022-01-17 22:38:47,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9689 to 9277. [2022-01-17 22:38:47,210 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) [2022-01-17 22:38:47,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9277 states to 9277 states and 29896 transitions. [2022-01-17 22:38:47,228 INFO L78 Accepts]: Start accepts. Automaton has 9277 states and 29896 transitions. Word has length 95 [2022-01-17 22:38:47,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:47,228 INFO L470 AbstractCegarLoop]: Abstraction has 9277 states and 29896 transitions. [2022-01-17 22:38:47,228 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) [2022-01-17 22:38:47,228 INFO L276 IsEmpty]: Start isEmpty. Operand 9277 states and 29896 transitions. [2022-01-17 22:38:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-17 22:38:47,240 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:47,240 INFO L514 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] [2022-01-17 22:38:47,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-17 22:38:47,241 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:47,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:47,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1439739145, now seen corresponding path program 4 times [2022-01-17 22:38:47,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:47,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482979629] [2022-01-17 22:38:47,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:47,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:47,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:47,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482979629] [2022-01-17 22:38:47,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482979629] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:47,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:47,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 22:38:47,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954095989] [2022-01-17 22:38:47,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:47,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-17 22:38:47,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:47,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-17 22:38:47,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-17 22:38:47,283 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) [2022-01-17 22:38:47,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:47,362 INFO L93 Difference]: Finished difference Result 9820 states and 31289 transitions. [2022-01-17 22:38:47,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-17 22:38:47,362 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 [2022-01-17 22:38:47,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:47,384 INFO L225 Difference]: With dead ends: 9820 [2022-01-17 22:38:47,384 INFO L226 Difference]: Without dead ends: 9780 [2022-01-17 22:38:47,385 INFO L932 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 [2022-01-17 22:38:47,386 INFO L933 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 [2022-01-17 22:38:47,386 INFO L934 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] [2022-01-17 22:38:47,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9780 states. [2022-01-17 22:38:47,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9780 to 9317. [2022-01-17 22:38:47,498 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) [2022-01-17 22:38:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9317 states to 9317 states and 30006 transitions. [2022-01-17 22:38:47,516 INFO L78 Accepts]: Start accepts. Automaton has 9317 states and 30006 transitions. Word has length 95 [2022-01-17 22:38:47,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:47,517 INFO L470 AbstractCegarLoop]: Abstraction has 9317 states and 30006 transitions. [2022-01-17 22:38:47,517 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) [2022-01-17 22:38:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 9317 states and 30006 transitions. [2022-01-17 22:38:47,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-17 22:38:47,529 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:47,529 INFO L514 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] [2022-01-17 22:38:47,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-17 22:38:47,529 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:47,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:47,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1395098901, now seen corresponding path program 5 times [2022-01-17 22:38:47,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:47,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578094505] [2022-01-17 22:38:47,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:47,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:47,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:47,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578094505] [2022-01-17 22:38:47,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578094505] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:47,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:47,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 22:38:47,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137092289] [2022-01-17 22:38:47,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:47,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 22:38:47,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:47,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 22:38:47,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:38:47,600 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) [2022-01-17 22:38:47,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:47,777 INFO L93 Difference]: Finished difference Result 9816 states and 31324 transitions. [2022-01-17 22:38:47,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-17 22:38:47,777 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 [2022-01-17 22:38:47,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:47,794 INFO L225 Difference]: With dead ends: 9816 [2022-01-17 22:38:47,794 INFO L226 Difference]: Without dead ends: 9487 [2022-01-17 22:38:47,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-01-17 22:38:47,795 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 375 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:47,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 937 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:38:47,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9487 states. [2022-01-17 22:38:47,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9487 to 8087. [2022-01-17 22:38:47,892 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) [2022-01-17 22:38:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8087 states to 8087 states and 25991 transitions. [2022-01-17 22:38:47,907 INFO L78 Accepts]: Start accepts. Automaton has 8087 states and 25991 transitions. Word has length 95 [2022-01-17 22:38:47,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:47,907 INFO L470 AbstractCegarLoop]: Abstraction has 8087 states and 25991 transitions. [2022-01-17 22:38:47,908 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) [2022-01-17 22:38:47,908 INFO L276 IsEmpty]: Start isEmpty. Operand 8087 states and 25991 transitions. [2022-01-17 22:38:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-17 22:38:47,919 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:47,919 INFO L514 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] [2022-01-17 22:38:47,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-17 22:38:47,919 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:47,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:47,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1993909214, now seen corresponding path program 1 times [2022-01-17 22:38:47,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:47,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940178157] [2022-01-17 22:38:47,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:47,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:47,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:47,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940178157] [2022-01-17 22:38:47,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940178157] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:47,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:47,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 22:38:47,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280923872] [2022-01-17 22:38:47,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:47,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 22:38:47,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:48,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 22:38:48,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:38:48,000 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) [2022-01-17 22:38:48,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:48,098 INFO L93 Difference]: Finished difference Result 8039 states and 25906 transitions. [2022-01-17 22:38:48,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-17 22:38:48,099 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 [2022-01-17 22:38:48,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:48,109 INFO L225 Difference]: With dead ends: 8039 [2022-01-17 22:38:48,110 INFO L226 Difference]: Without dead ends: 5615 [2022-01-17 22:38:48,110 INFO L932 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 [2022-01-17 22:38:48,110 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 189 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:48,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 853 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:38:48,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5615 states. [2022-01-17 22:38:48,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5615 to 5615. [2022-01-17 22:38:48,170 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) [2022-01-17 22:38:48,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5615 states to 5615 states and 18330 transitions. [2022-01-17 22:38:48,181 INFO L78 Accepts]: Start accepts. Automaton has 5615 states and 18330 transitions. Word has length 95 [2022-01-17 22:38:48,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:48,181 INFO L470 AbstractCegarLoop]: Abstraction has 5615 states and 18330 transitions. [2022-01-17 22:38:48,181 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) [2022-01-17 22:38:48,181 INFO L276 IsEmpty]: Start isEmpty. Operand 5615 states and 18330 transitions. [2022-01-17 22:38:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-17 22:38:48,191 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:48,191 INFO L514 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] [2022-01-17 22:38:48,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-17 22:38:48,191 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-17 22:38:48,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:48,192 INFO L85 PathProgramCache]: Analyzing trace with hash 983906481, now seen corresponding path program 1 times [2022-01-17 22:38:48,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:48,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386607956] [2022-01-17 22:38:48,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:48,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:48,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:48,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386607956] [2022-01-17 22:38:48,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386607956] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:48,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:48,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 22:38:48,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231243830] [2022-01-17 22:38:48,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:48,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 22:38:48,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:48,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 22:38:48,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-01-17 22:38:48,262 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) [2022-01-17 22:38:48,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:48,345 INFO L93 Difference]: Finished difference Result 5507 states and 18107 transitions. [2022-01-17 22:38:48,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-17 22:38:48,345 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 [2022-01-17 22:38:48,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:48,345 INFO L225 Difference]: With dead ends: 5507 [2022-01-17 22:38:48,345 INFO L226 Difference]: Without dead ends: 0 [2022-01-17 22:38:48,346 INFO L932 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 [2022-01-17 22:38:48,346 INFO L933 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 [2022-01-17 22:38:48,348 INFO L934 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] [2022-01-17 22:38:48,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-17 22:38:48,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-17 22:38:48,349 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) [2022-01-17 22:38:48,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-17 22:38:48,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2022-01-17 22:38:48,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:48,351 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-17 22:38:48,351 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) [2022-01-17 22:38:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-17 22:38:48,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-17 22:38:48,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-01-17 22:38:48,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-01-17 22:38:48,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-01-17 22:38:48,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2022-01-17 22:38:48,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2022-01-17 22:38:48,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-01-17 22:38:48,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-01-17 22:38:48,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-17 22:38:48,357 INFO L732 BasicCegarLoop]: Path program histogram: [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:38:48,360 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-17 22:38:48,360 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-17 22:38:48,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.01 10:38:48 BasicIcfg [2022-01-17 22:38:48,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-17 22:38:48,364 INFO L158 Benchmark]: Toolchain (without parser) took 69766.49ms. Allocated memory was 356.5MB in the beginning and 15.6GB in the end (delta: 15.3GB). Free memory was 301.5MB in the beginning and 7.7GB in the end (delta: -7.4GB). Peak memory consumption was 7.9GB. Max. memory is 16.0GB. [2022-01-17 22:38:48,364 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 356.5MB. Free memory is still 319.7MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 22:38:48,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.04ms. Allocated memory is still 356.5MB. Free memory was 301.3MB in the beginning and 317.4MB in the end (delta: -16.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.0GB. [2022-01-17 22:38:48,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.21ms. Allocated memory is still 356.5MB. Free memory was 317.4MB in the beginning and 315.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 22:38:48,373 INFO L158 Benchmark]: Boogie Preprocessor took 51.19ms. Allocated memory is still 356.5MB. Free memory was 315.3MB in the beginning and 313.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 22:38:48,373 INFO L158 Benchmark]: RCFGBuilder took 614.83ms. Allocated memory is still 356.5MB. Free memory was 313.2MB in the beginning and 278.6MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. [2022-01-17 22:38:48,373 INFO L158 Benchmark]: TraceAbstraction took 68578.73ms. Allocated memory was 356.5MB in the beginning and 15.6GB in the end (delta: 15.3GB). Free memory was 277.5MB in the beginning and 7.7GB in the end (delta: -7.5GB). Peak memory consumption was 7.8GB. Max. memory is 16.0GB. [2022-01-17 22:38:48,374 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 356.5MB. Free memory is still 319.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 438.04ms. Allocated memory is still 356.5MB. Free memory was 301.3MB in the beginning and 317.4MB in the end (delta: -16.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 79.21ms. Allocated memory is still 356.5MB. Free memory was 317.4MB in the beginning and 315.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 51.19ms. Allocated memory is still 356.5MB. Free memory was 315.3MB in the beginning and 313.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 614.83ms. Allocated memory is still 356.5MB. Free memory was 313.2MB in the beginning and 278.6MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. * TraceAbstraction took 68578.73ms. Allocated memory was 356.5MB in the beginning and 15.6GB in the end (delta: 15.3GB). Free memory was 277.5MB in the beginning and 7.7GB in the end (delta: -7.5GB). Peak memory consumption was 7.8GB. Max. memory is 16.0GB. * 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: 68.4s, OverallIterations: 35, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 1.7s, AutomataDifference: 24.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13813 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13813 mSDsluCounter, 31190 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25006 mSDsCounter, 606 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7579 IncrementalHoareTripleChecker+Invalid, 8185 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 606 mSolverCounterUnsat, 7908 mSDtfsCounter, 7579 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 82 SyntacticMatches, 6 SemanticMatches, 332 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113698occurred in iteration=7, InterpolantAutomatonStates: 324, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 35.4s AutomataMinimizationTime, 35 MinimizatonAttempts, 79659 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2940 NumberOfCodeBlocks, 2940 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 2905 ConstructedInterpolants, 0 QuantifiedInterpolants, 15758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 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! [2022-01-17 22:38:48,406 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...