/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 12:52:33,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 12:52:33,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 12:52:33,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 12:52:33,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 12:52:33,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 12:52:33,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 12:52:33,126 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 [2022-03-15 12:52:33,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 12:52:33,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 12:52:33,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 12:52:33,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 12:52:33,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 12:52:33,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 12:52:33,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 12:52:33,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 12:52:33,152 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 12:52:33,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 12:52:33,153 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 12:52:33,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 12:52:33,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 12:52:33,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 12:52:33,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 12:52:33,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 12:52:33,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 12:52:33,153 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 12:52:33,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 12:52:33,154 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 12:52:33,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 12:52:33,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 12:52:33,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 12:52:33,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 12:52:33,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 12:52:33,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 12:52:33,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 12:52:33,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 12:52:33,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 12:52:33,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 12:52:33,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 12:52:33,155 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 12:52:33,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 12:52:33,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 12:52:33,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 12:52:33,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 12:52:33,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 12:52:33,316 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 12:52:33,317 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 12:52:33,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2022-03-15 12:52:33,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abf76bb50/d78c37945fe64f80956b5b48c907bae2/FLAG2342f01f4 [2022-03-15 12:52:33,751 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 12:52:33,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2022-03-15 12:52:33,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abf76bb50/d78c37945fe64f80956b5b48c907bae2/FLAG2342f01f4 [2022-03-15 12:52:34,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abf76bb50/d78c37945fe64f80956b5b48c907bae2 [2022-03-15 12:52:34,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 12:52:34,086 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 12:52:34,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 12:52:34,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 12:52:34,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 12:52:34,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:52:34" (1/1) ... [2022-03-15 12:52:34,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e78872d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34, skipping insertion in model container [2022-03-15 12:52:34,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:52:34" (1/1) ... [2022-03-15 12:52:34,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 12:52:34,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 12:52:34,419 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] [2022-03-15 12:52:34,423 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] [2022-03-15 12:52:34,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 12:52:34,450 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 12:52:34,486 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] [2022-03-15 12:52:34,490 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] [2022-03-15 12:52:34,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 12:52:34,539 INFO L208 MainTranslator]: Completed translation [2022-03-15 12:52:34,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34 WrapperNode [2022-03-15 12:52:34,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 12:52:34,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 12:52:34,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 12:52:34,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 12:52:34,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34" (1/1) ... [2022-03-15 12:52:34,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34" (1/1) ... [2022-03-15 12:52:34,598 INFO L137 Inliner]: procedures = 177, calls = 54, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 270 [2022-03-15 12:52:34,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 12:52:34,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 12:52:34,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 12:52:34,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 12:52:34,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34" (1/1) ... [2022-03-15 12:52:34,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34" (1/1) ... [2022-03-15 12:52:34,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34" (1/1) ... [2022-03-15 12:52:34,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34" (1/1) ... [2022-03-15 12:52:34,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34" (1/1) ... [2022-03-15 12:52:34,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34" (1/1) ... [2022-03-15 12:52:34,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34" (1/1) ... [2022-03-15 12:52:34,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 12:52:34,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 12:52:34,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 12:52:34,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 12:52:34,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34" (1/1) ... [2022-03-15 12:52:34,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 12:52:34,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 12:52:34,664 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) [2022-03-15 12:52:34,683 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 [2022-03-15 12:52:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2022-03-15 12:52:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2022-03-15 12:52:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2022-03-15 12:52:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2022-03-15 12:52:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 12:52:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 12:52:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2022-03-15 12:52:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2022-03-15 12:52:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 12:52:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 12:52:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 12:52:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 12:52:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 12:52:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 12:52:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 12:52:34,701 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 12:52:34,832 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 12:52:34,839 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 12:52:35,075 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 12:52:35,227 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 12:52:35,227 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-15 12:52:35,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:52:35 BoogieIcfgContainer [2022-03-15 12:52:35,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 12:52:35,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 12:52:35,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 12:52:35,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 12:52:35,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:52:34" (1/3) ... [2022-03-15 12:52:35,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a431692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:52:35, skipping insertion in model container [2022-03-15 12:52:35,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:52:34" (2/3) ... [2022-03-15 12:52:35,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a431692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:52:35, skipping insertion in model container [2022-03-15 12:52:35,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:52:35" (3/3) ... [2022-03-15 12:52:35,260 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2022-03-15 12:52:35,264 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 12:52:35,264 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 12:52:35,264 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-15 12:52:35,264 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 12:52:35,319 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,319 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,319 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,319 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,319 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,321 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,321 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,321 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,321 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,321 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,321 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,327 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,328 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,328 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,328 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,328 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,332 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,332 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,335 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,335 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,335 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,335 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,335 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,335 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,335 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,338 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,338 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,338 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,338 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,338 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,338 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,339 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,339 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,339 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,339 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,339 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,339 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,345 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,346 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,346 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,346 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,346 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,347 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,347 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,349 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,349 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,349 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,349 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,349 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,349 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,349 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,350 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,350 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,350 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,350 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,350 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,350 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,351 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,351 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,353 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,353 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,353 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,353 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,353 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,353 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,353 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,354 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,354 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,354 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,358 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,360 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,360 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,360 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,361 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,361 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,362 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,362 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,362 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,362 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,362 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,362 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,365 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,365 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,365 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,365 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,365 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,365 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,365 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,368 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,368 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,368 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,368 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,368 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,368 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,369 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,369 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,370 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,370 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,372 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,376 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,379 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,382 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,384 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,384 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,384 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,384 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,385 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,385 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,385 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,385 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,385 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,385 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,386 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,386 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,386 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,386 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,386 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,386 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,386 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,386 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,388 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,388 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,388 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,388 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,388 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,389 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,389 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,389 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,389 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,389 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,389 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,389 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,389 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,391 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,391 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,391 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,391 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,391 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,392 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,392 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,392 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,392 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,392 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,392 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,392 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,392 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,395 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,395 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,395 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,395 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,395 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,395 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,396 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,396 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,396 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,396 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,396 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,396 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,396 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,396 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,396 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,398 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,399 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,400 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,400 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,400 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,401 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,401 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,401 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,401 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,401 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,401 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,406 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,407 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,407 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,407 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,407 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,407 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,407 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,407 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,408 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,408 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,408 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,408 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,408 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,408 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,408 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,408 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,409 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,409 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,409 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,409 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,409 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,409 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,409 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,409 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,409 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,409 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,410 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,410 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,410 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,410 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,410 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,410 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,410 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,410 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,410 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,411 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,411 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,411 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,411 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,411 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,412 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,412 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,412 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,412 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,412 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,412 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,412 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,412 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,412 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,412 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,412 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,413 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,413 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,413 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,413 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,413 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,414 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,414 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,414 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,414 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,414 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,414 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,414 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,414 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,415 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,415 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,415 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,415 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,415 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,415 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,416 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,416 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,416 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 12:52:35,420 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-15 12:52:35,466 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 12:52:35,474 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, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 12:52:35,474 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 12:52:35,485 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 175 places, 183 transitions, 390 flow [2022-03-15 12:52:38,040 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) [2022-03-15 12:52:38,228 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) [2022-03-15 12:52:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-03-15 12:52:38,425 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:52:38,425 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] [2022-03-15 12:52:38,433 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:52:38,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:52:38,437 INFO L85 PathProgramCache]: Analyzing trace with hash -707274187, now seen corresponding path program 1 times [2022-03-15 12:52:38,443 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:52:38,443 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341662610] [2022-03-15 12:52:38,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:52:38,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:52:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:52:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:52:38,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:52:38,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341662610] [2022-03-15 12:52:38,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341662610] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:52:38,670 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:52:38,670 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 12:52:38,671 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493155434] [2022-03-15 12:52:38,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:52:38,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 12:52:38,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:52:38,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 12:52:38,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 12:52:38,825 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) [2022-03-15 12:52:40,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:52:40,522 INFO L93 Difference]: Finished difference Result 102332 states and 398636 transitions. [2022-03-15 12:52:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 12:52:40,524 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 [2022-03-15 12:52:40,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:52:41,839 INFO L225 Difference]: With dead ends: 102332 [2022-03-15 12:52:41,840 INFO L226 Difference]: Without dead ends: 102332 [2022-03-15 12:52:41,841 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 [2022-03-15 12:52:41,843 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 83 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-15 12:52:41,844 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] [2022-03-15 12:52:42,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102332 states. [2022-03-15 12:52:45,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102332 to 90691. [2022-03-15 12:52:45,649 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) [2022-03-15 12:52:46,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90691 states to 90691 states and 355856 transitions. [2022-03-15 12:52:46,799 INFO L78 Accepts]: Start accepts. Automaton has 90691 states and 355856 transitions. Word has length 59 [2022-03-15 12:52:46,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:52:46,800 INFO L470 AbstractCegarLoop]: Abstraction has 90691 states and 355856 transitions. [2022-03-15 12:52:46,801 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) [2022-03-15 12:52:46,801 INFO L276 IsEmpty]: Start isEmpty. Operand 90691 states and 355856 transitions. [2022-03-15 12:52:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-15 12:52:46,889 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:52:46,889 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] [2022-03-15 12:52:46,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 12:52:46,890 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:52:46,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:52:46,892 INFO L85 PathProgramCache]: Analyzing trace with hash -234050775, now seen corresponding path program 1 times [2022-03-15 12:52:46,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:52:46,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379971303] [2022-03-15 12:52:46,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:52:46,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:52:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:52:46,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:52:46,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:52:46,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379971303] [2022-03-15 12:52:46,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379971303] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:52:46,988 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:52:46,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 12:52:46,988 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582255594] [2022-03-15 12:52:46,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:52:46,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 12:52:46,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:52:46,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 12:52:46,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 12:52:46,990 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) [2022-03-15 12:52:47,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:52:47,851 INFO L93 Difference]: Finished difference Result 89491 states and 351136 transitions. [2022-03-15 12:52:47,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 12:52:47,852 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 [2022-03-15 12:52:47,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:52:48,543 INFO L225 Difference]: With dead ends: 89491 [2022-03-15 12:52:48,544 INFO L226 Difference]: Without dead ends: 89491 [2022-03-15 12:52:48,544 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 [2022-03-15 12:52:48,545 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 [2022-03-15 12:52:48,546 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] [2022-03-15 12:52:48,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89491 states. [2022-03-15 12:52:51,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89491 to 89491. [2022-03-15 12:52:51,177 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) [2022-03-15 12:52:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89491 states to 89491 states and 351136 transitions. [2022-03-15 12:52:51,903 INFO L78 Accepts]: Start accepts. Automaton has 89491 states and 351136 transitions. Word has length 64 [2022-03-15 12:52:51,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:52:51,903 INFO L470 AbstractCegarLoop]: Abstraction has 89491 states and 351136 transitions. [2022-03-15 12:52:51,903 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) [2022-03-15 12:52:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 89491 states and 351136 transitions. [2022-03-15 12:52:51,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-03-15 12:52:51,968 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:52:51,968 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] [2022-03-15 12:52:51,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 12:52:51,969 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:52:51,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:52:51,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1873848571, now seen corresponding path program 1 times [2022-03-15 12:52:51,969 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:52:51,969 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666739008] [2022-03-15 12:52:51,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:52:51,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:52:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:52:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:52:52,114 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:52:52,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666739008] [2022-03-15 12:52:52,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666739008] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:52:52,115 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:52:52,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 12:52:52,115 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406565680] [2022-03-15 12:52:52,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:52:52,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 12:52:52,116 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:52:52,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 12:52:52,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 12:52:52,116 INFO L87 Difference]: Start difference. First operand 89491 states and 351136 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 12:52:53,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:52:53,715 INFO L93 Difference]: Finished difference Result 107174 states and 416544 transitions. [2022-03-15 12:52:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 12:52:53,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-03-15 12:52:53,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:52:54,423 INFO L225 Difference]: With dead ends: 107174 [2022-03-15 12:52:54,423 INFO L226 Difference]: Without dead ends: 102185 [2022-03-15 12:52:54,423 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 [2022-03-15 12:52:54,424 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 326 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:52:54,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [326 Valid, 712 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:52:54,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102185 states. [2022-03-15 12:52:57,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102185 to 102067. [2022-03-15 12:52:57,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102067 states, 102065 states have (on average 3.891951207563807) internal successors, (397232), 102066 states have internal predecessors, (397232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 12:52:58,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102067 states to 102067 states and 397232 transitions. [2022-03-15 12:52:58,692 INFO L78 Accepts]: Start accepts. Automaton has 102067 states and 397232 transitions. Word has length 67 [2022-03-15 12:52:58,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:52:58,692 INFO L470 AbstractCegarLoop]: Abstraction has 102067 states and 397232 transitions. [2022-03-15 12:52:58,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 12:52:58,693 INFO L276 IsEmpty]: Start isEmpty. Operand 102067 states and 397232 transitions. [2022-03-15 12:52:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-15 12:52:58,850 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:52:58,850 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] [2022-03-15 12:52:58,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 12:52:58,851 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:52:58,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:52:58,851 INFO L85 PathProgramCache]: Analyzing trace with hash 770716637, now seen corresponding path program 1 times [2022-03-15 12:52:58,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:52:58,851 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212930347] [2022-03-15 12:52:58,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:52:58,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:52:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:52:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:52:58,940 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:52:58,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212930347] [2022-03-15 12:52:58,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212930347] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:52:58,941 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:52:58,941 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 12:52:58,941 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165889287] [2022-03-15 12:52:58,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:52:58,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 12:52:58,941 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:52:58,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 12:52:58,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 12:52:58,942 INFO L87 Difference]: Start difference. First operand 102067 states and 397232 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 12:53:00,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:00,179 INFO L93 Difference]: Finished difference Result 110163 states and 421698 transitions. [2022-03-15 12:53:00,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 12:53:00,179 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 [2022-03-15 12:53:00,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:00,980 INFO L225 Difference]: With dead ends: 110163 [2022-03-15 12:53:00,980 INFO L226 Difference]: Without dead ends: 110131 [2022-03-15 12:53:00,983 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 [2022-03-15 12:53:00,989 INFO L933 BasicCegarLoop]: 264 mSDtfsCounter, 407 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:00,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 771 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:53:01,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110131 states. [2022-03-15 12:53:04,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110131 to 106563. [2022-03-15 12:53:04,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106563 states, 106561 states have (on average 3.8292621127804733) internal successors, (408050), 106562 states have internal predecessors, (408050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 12:53:05,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106563 states to 106563 states and 408050 transitions. [2022-03-15 12:53:05,595 INFO L78 Accepts]: Start accepts. Automaton has 106563 states and 408050 transitions. Word has length 73 [2022-03-15 12:53:05,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:05,595 INFO L470 AbstractCegarLoop]: Abstraction has 106563 states and 408050 transitions. [2022-03-15 12:53:05,595 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) [2022-03-15 12:53:05,595 INFO L276 IsEmpty]: Start isEmpty. Operand 106563 states and 408050 transitions. [2022-03-15 12:53:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-15 12:53:05,727 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:05,727 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] [2022-03-15 12:53:05,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 12:53:05,727 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:05,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:05,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1387068515, now seen corresponding path program 1 times [2022-03-15 12:53:05,728 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:05,728 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309393856] [2022-03-15 12:53:05,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:05,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:05,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:05,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309393856] [2022-03-15 12:53:05,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309393856] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:05,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:05,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 12:53:05,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042121148] [2022-03-15 12:53:05,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:05,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 12:53:05,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:05,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 12:53:05,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-15 12:53:05,848 INFO L87 Difference]: Start difference. First operand 106563 states and 408050 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 12:53:06,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:06,955 INFO L93 Difference]: Finished difference Result 113484 states and 431206 transitions. [2022-03-15 12:53:06,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 12:53:06,956 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 [2022-03-15 12:53:06,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:07,914 INFO L225 Difference]: With dead ends: 113484 [2022-03-15 12:53:07,914 INFO L226 Difference]: Without dead ends: 113484 [2022-03-15 12:53:07,917 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 [2022-03-15 12:53:07,917 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 517 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:07,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [517 Valid, 1144 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 12:53:08,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113484 states. [2022-03-15 12:53:11,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113484 to 105652. [2022-03-15 12:53:11,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105652 states, 105650 states have (on average 3.823521060104117) internal successors, (403955), 105651 states have internal predecessors, (403955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 12:53:12,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105652 states to 105652 states and 403955 transitions. [2022-03-15 12:53:12,391 INFO L78 Accepts]: Start accepts. Automaton has 105652 states and 403955 transitions. Word has length 73 [2022-03-15 12:53:12,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:12,392 INFO L470 AbstractCegarLoop]: Abstraction has 105652 states and 403955 transitions. [2022-03-15 12:53:12,392 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) [2022-03-15 12:53:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 105652 states and 403955 transitions. [2022-03-15 12:53:12,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-15 12:53:12,548 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:12,548 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] [2022-03-15 12:53:12,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 12:53:12,549 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:12,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:12,550 INFO L85 PathProgramCache]: Analyzing trace with hash 349066141, now seen corresponding path program 2 times [2022-03-15 12:53:12,550 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:12,550 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280495678] [2022-03-15 12:53:12,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:12,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:12,689 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:12,689 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280495678] [2022-03-15 12:53:12,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280495678] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:12,689 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:12,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 12:53:12,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991202508] [2022-03-15 12:53:12,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:12,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 12:53:12,690 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:12,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 12:53:12,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-15 12:53:12,690 INFO L87 Difference]: Start difference. First operand 105652 states and 403955 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 12:53:14,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:14,165 INFO L93 Difference]: Finished difference Result 113066 states and 429726 transitions. [2022-03-15 12:53:14,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 12:53:14,165 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 [2022-03-15 12:53:14,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:14,664 INFO L225 Difference]: With dead ends: 113066 [2022-03-15 12:53:14,665 INFO L226 Difference]: Without dead ends: 113066 [2022-03-15 12:53:14,665 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 [2022-03-15 12:53:14,667 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 365 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:14,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 1096 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:53:14,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113066 states. [2022-03-15 12:53:17,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113066 to 104908. [2022-03-15 12:53:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104908 states, 104906 states have (on average 3.8235849236459307) internal successors, (401117), 104907 states have internal predecessors, (401117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 12:53:18,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104908 states to 104908 states and 401117 transitions. [2022-03-15 12:53:18,435 INFO L78 Accepts]: Start accepts. Automaton has 104908 states and 401117 transitions. Word has length 73 [2022-03-15 12:53:18,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:18,435 INFO L470 AbstractCegarLoop]: Abstraction has 104908 states and 401117 transitions. [2022-03-15 12:53:18,435 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) [2022-03-15 12:53:18,435 INFO L276 IsEmpty]: Start isEmpty. Operand 104908 states and 401117 transitions. [2022-03-15 12:53:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-15 12:53:18,887 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:18,887 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] [2022-03-15 12:53:18,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 12:53:18,887 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:18,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:18,888 INFO L85 PathProgramCache]: Analyzing trace with hash -2077111725, now seen corresponding path program 3 times [2022-03-15 12:53:18,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:18,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957732330] [2022-03-15 12:53:18,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:18,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:19,000 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:19,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957732330] [2022-03-15 12:53:19,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957732330] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:19,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:19,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 12:53:19,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112029720] [2022-03-15 12:53:19,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:19,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 12:53:19,001 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:19,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 12:53:19,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-15 12:53:19,002 INFO L87 Difference]: Start difference. First operand 104908 states and 401117 transitions. Second operand has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 12:53:20,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:20,205 INFO L93 Difference]: Finished difference Result 128747 states and 486380 transitions. [2022-03-15 12:53:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 12:53:20,206 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 [2022-03-15 12:53:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:20,405 INFO L225 Difference]: With dead ends: 128747 [2022-03-15 12:53:20,405 INFO L226 Difference]: Without dead ends: 55094 [2022-03-15 12:53:20,405 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 [2022-03-15 12:53:20,407 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 504 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:20,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [504 Valid, 1077 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 12:53:20,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55094 states. [2022-03-15 12:53:21,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55094 to 54622. [2022-03-15 12:53:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54622 states, 54620 states have (on average 3.5968509703405345) internal successors, (196460), 54621 states have internal predecessors, (196460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 12:53:22,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54622 states to 54622 states and 196460 transitions. [2022-03-15 12:53:22,140 INFO L78 Accepts]: Start accepts. Automaton has 54622 states and 196460 transitions. Word has length 73 [2022-03-15 12:53:22,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:22,141 INFO L470 AbstractCegarLoop]: Abstraction has 54622 states and 196460 transitions. [2022-03-15 12:53:22,141 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) [2022-03-15 12:53:22,141 INFO L276 IsEmpty]: Start isEmpty. Operand 54622 states and 196460 transitions. [2022-03-15 12:53:22,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-03-15 12:53:22,184 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:22,184 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] [2022-03-15 12:53:22,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 12:53:22,185 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:22,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:22,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1932022239, now seen corresponding path program 1 times [2022-03-15 12:53:22,186 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:22,186 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813807164] [2022-03-15 12:53:22,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:22,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:22,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:22,236 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:22,236 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813807164] [2022-03-15 12:53:22,236 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813807164] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:22,236 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:22,236 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 12:53:22,236 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587410391] [2022-03-15 12:53:22,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:22,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 12:53:22,237 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:22,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 12:53:22,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 12:53:22,237 INFO L87 Difference]: Start difference. First operand 54622 states and 196460 transitions. Second operand has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 12:53:22,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:22,877 INFO L93 Difference]: Finished difference Result 54622 states and 195979 transitions. [2022-03-15 12:53:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 12:53:22,877 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 [2022-03-15 12:53:22,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:22,992 INFO L225 Difference]: With dead ends: 54622 [2022-03-15 12:53:22,992 INFO L226 Difference]: Without dead ends: 38833 [2022-03-15 12:53:22,993 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 [2022-03-15 12:53:22,993 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 87 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:22,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 343 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 12:53:23,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38833 states. [2022-03-15 12:53:23,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38833 to 34699. [2022-03-15 12:53:23,992 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) [2022-03-15 12:53:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34699 states to 34699 states and 122320 transitions. [2022-03-15 12:53:24,326 INFO L78 Accepts]: Start accepts. Automaton has 34699 states and 122320 transitions. Word has length 75 [2022-03-15 12:53:24,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:24,328 INFO L470 AbstractCegarLoop]: Abstraction has 34699 states and 122320 transitions. [2022-03-15 12:53:24,328 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) [2022-03-15 12:53:24,328 INFO L276 IsEmpty]: Start isEmpty. Operand 34699 states and 122320 transitions. [2022-03-15 12:53:24,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-15 12:53:24,373 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:24,373 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] [2022-03-15 12:53:24,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 12:53:24,374 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:24,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:24,374 INFO L85 PathProgramCache]: Analyzing trace with hash -703791390, now seen corresponding path program 1 times [2022-03-15 12:53:24,374 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:24,380 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968270125] [2022-03-15 12:53:24,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:24,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:24,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:24,472 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:24,472 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968270125] [2022-03-15 12:53:24,472 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968270125] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:24,472 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:24,472 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 12:53:24,472 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760205751] [2022-03-15 12:53:24,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:24,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 12:53:24,473 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:24,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 12:53:24,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 12:53:24,473 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) [2022-03-15 12:53:24,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:24,675 INFO L93 Difference]: Finished difference Result 34699 states and 121985 transitions. [2022-03-15 12:53:24,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 12:53:24,675 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 [2022-03-15 12:53:24,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:24,725 INFO L225 Difference]: With dead ends: 34699 [2022-03-15 12:53:24,725 INFO L226 Difference]: Without dead ends: 19399 [2022-03-15 12:53:24,726 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 [2022-03-15 12:53:24,727 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 [2022-03-15 12:53:24,727 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] [2022-03-15 12:53:24,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19399 states. [2022-03-15 12:53:25,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19399 to 18751. [2022-03-15 12:53:25,233 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) [2022-03-15 12:53:25,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18751 states to 18751 states and 60760 transitions. [2022-03-15 12:53:25,281 INFO L78 Accepts]: Start accepts. Automaton has 18751 states and 60760 transitions. Word has length 78 [2022-03-15 12:53:25,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:25,281 INFO L470 AbstractCegarLoop]: Abstraction has 18751 states and 60760 transitions. [2022-03-15 12:53:25,282 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) [2022-03-15 12:53:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 18751 states and 60760 transitions. [2022-03-15 12:53:25,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-03-15 12:53:25,309 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:25,309 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] [2022-03-15 12:53:25,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 12:53:25,311 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:25,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:25,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1069736192, now seen corresponding path program 1 times [2022-03-15 12:53:25,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:25,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42728386] [2022-03-15 12:53:25,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:25,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:25,379 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:25,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42728386] [2022-03-15 12:53:25,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42728386] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:25,379 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:25,379 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 12:53:25,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434715552] [2022-03-15 12:53:25,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:25,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 12:53:25,380 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:25,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 12:53:25,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 12:53:25,380 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) [2022-03-15 12:53:25,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:25,487 INFO L93 Difference]: Finished difference Result 20716 states and 66202 transitions. [2022-03-15 12:53:25,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 12:53:25,489 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 [2022-03-15 12:53:25,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:25,534 INFO L225 Difference]: With dead ends: 20716 [2022-03-15 12:53:25,535 INFO L226 Difference]: Without dead ends: 20716 [2022-03-15 12:53:25,535 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 [2022-03-15 12:53:25,536 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 [2022-03-15 12:53:25,536 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] [2022-03-15 12:53:25,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20716 states. [2022-03-15 12:53:25,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20716 to 18918. [2022-03-15 12:53:25,990 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) [2022-03-15 12:53:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18918 states to 18918 states and 61229 transitions. [2022-03-15 12:53:26,038 INFO L78 Accepts]: Start accepts. Automaton has 18918 states and 61229 transitions. Word has length 81 [2022-03-15 12:53:26,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:26,038 INFO L470 AbstractCegarLoop]: Abstraction has 18918 states and 61229 transitions. [2022-03-15 12:53:26,038 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) [2022-03-15 12:53:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 18918 states and 61229 transitions. [2022-03-15 12:53:26,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-03-15 12:53:26,065 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:26,065 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] [2022-03-15 12:53:26,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 12:53:26,065 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:26,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:26,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1070749086, now seen corresponding path program 1 times [2022-03-15 12:53:26,066 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:26,066 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557526713] [2022-03-15 12:53:26,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:26,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:26,111 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:26,111 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557526713] [2022-03-15 12:53:26,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557526713] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:26,111 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:26,111 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 12:53:26,111 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899186089] [2022-03-15 12:53:26,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:26,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 12:53:26,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:26,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 12:53:26,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 12:53:26,113 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) [2022-03-15 12:53:26,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:26,277 INFO L93 Difference]: Finished difference Result 20969 states and 66552 transitions. [2022-03-15 12:53:26,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 12:53:26,277 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 [2022-03-15 12:53:26,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:26,320 INFO L225 Difference]: With dead ends: 20969 [2022-03-15 12:53:26,320 INFO L226 Difference]: Without dead ends: 20753 [2022-03-15 12:53:26,320 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 [2022-03-15 12:53:26,322 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 [2022-03-15 12:53:26,322 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] [2022-03-15 12:53:26,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20753 states. [2022-03-15 12:53:26,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20753 to 19106. [2022-03-15 12:53:26,752 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) [2022-03-15 12:53:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19106 states to 19106 states and 61755 transitions. [2022-03-15 12:53:26,798 INFO L78 Accepts]: Start accepts. Automaton has 19106 states and 61755 transitions. Word has length 81 [2022-03-15 12:53:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:26,798 INFO L470 AbstractCegarLoop]: Abstraction has 19106 states and 61755 transitions. [2022-03-15 12:53:26,798 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) [2022-03-15 12:53:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 19106 states and 61755 transitions. [2022-03-15 12:53:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-03-15 12:53:26,823 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:26,824 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] [2022-03-15 12:53:26,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-15 12:53:26,824 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:26,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:26,824 INFO L85 PathProgramCache]: Analyzing trace with hash -236560256, now seen corresponding path program 1 times [2022-03-15 12:53:26,824 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:26,824 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107329827] [2022-03-15 12:53:26,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:26,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:26,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:26,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:26,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107329827] [2022-03-15 12:53:26,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107329827] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:26,856 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:26,856 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 12:53:26,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827368108] [2022-03-15 12:53:26,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:26,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 12:53:26,856 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:26,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 12:53:26,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 12:53:26,856 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) [2022-03-15 12:53:26,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:26,940 INFO L93 Difference]: Finished difference Result 16309 states and 53201 transitions. [2022-03-15 12:53:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 12:53:26,941 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 [2022-03-15 12:53:26,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:26,976 INFO L225 Difference]: With dead ends: 16309 [2022-03-15 12:53:26,976 INFO L226 Difference]: Without dead ends: 16309 [2022-03-15 12:53:26,976 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 [2022-03-15 12:53:26,977 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 [2022-03-15 12:53:26,977 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] [2022-03-15 12:53:27,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16309 states. [2022-03-15 12:53:27,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16309 to 16060. [2022-03-15 12:53:27,428 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) [2022-03-15 12:53:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16060 states to 16060 states and 52654 transitions. [2022-03-15 12:53:27,466 INFO L78 Accepts]: Start accepts. Automaton has 16060 states and 52654 transitions. Word has length 81 [2022-03-15 12:53:27,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:27,466 INFO L470 AbstractCegarLoop]: Abstraction has 16060 states and 52654 transitions. [2022-03-15 12:53:27,466 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) [2022-03-15 12:53:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 16060 states and 52654 transitions. [2022-03-15 12:53:27,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-15 12:53:27,491 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:27,491 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] [2022-03-15 12:53:27,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-15 12:53:27,492 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:27,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:27,492 INFO L85 PathProgramCache]: Analyzing trace with hash -2025675374, now seen corresponding path program 1 times [2022-03-15 12:53:27,492 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:27,492 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199850093] [2022-03-15 12:53:27,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:27,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:27,600 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:27,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199850093] [2022-03-15 12:53:27,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199850093] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:27,600 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:27,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 12:53:27,600 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257871889] [2022-03-15 12:53:27,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:27,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 12:53:27,601 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:27,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 12:53:27,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-03-15 12:53:27,601 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) [2022-03-15 12:53:27,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:27,893 INFO L93 Difference]: Finished difference Result 18173 states and 58963 transitions. [2022-03-15 12:53:27,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 12:53:27,894 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 [2022-03-15 12:53:27,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:27,933 INFO L225 Difference]: With dead ends: 18173 [2022-03-15 12:53:27,934 INFO L226 Difference]: Without dead ends: 17933 [2022-03-15 12:53:27,934 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 [2022-03-15 12:53:27,934 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 695 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:27,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [695 Valid, 1227 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:53:27,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17933 states. [2022-03-15 12:53:28,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17933 to 16168. [2022-03-15 12:53:28,477 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) [2022-03-15 12:53:28,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16168 states to 16168 states and 52660 transitions. [2022-03-15 12:53:28,517 INFO L78 Accepts]: Start accepts. Automaton has 16168 states and 52660 transitions. Word has length 84 [2022-03-15 12:53:28,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:28,517 INFO L470 AbstractCegarLoop]: Abstraction has 16168 states and 52660 transitions. [2022-03-15 12:53:28,518 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) [2022-03-15 12:53:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand 16168 states and 52660 transitions. [2022-03-15 12:53:28,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-15 12:53:28,545 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:28,545 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] [2022-03-15 12:53:28,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-15 12:53:28,545 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:28,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:28,545 INFO L85 PathProgramCache]: Analyzing trace with hash 111506770, now seen corresponding path program 1 times [2022-03-15 12:53:28,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:28,546 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941635048] [2022-03-15 12:53:28,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:28,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:28,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:28,650 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:28,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941635048] [2022-03-15 12:53:28,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941635048] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:28,650 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:28,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 12:53:28,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605191110] [2022-03-15 12:53:28,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:28,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 12:53:28,651 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:28,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 12:53:28,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-03-15 12:53:28,651 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) [2022-03-15 12:53:29,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:29,009 INFO L93 Difference]: Finished difference Result 17608 states and 57247 transitions. [2022-03-15 12:53:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-15 12:53:29,009 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 [2022-03-15 12:53:29,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:29,049 INFO L225 Difference]: With dead ends: 17608 [2022-03-15 12:53:29,049 INFO L226 Difference]: Without dead ends: 17608 [2022-03-15 12:53:29,049 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 [2022-03-15 12:53:29,050 INFO L933 BasicCegarLoop]: 298 mSDtfsCounter, 892 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 1679 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:29,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [892 Valid, 1679 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:53:29,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17608 states. [2022-03-15 12:53:29,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17608 to 16096. [2022-03-15 12:53:29,436 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) [2022-03-15 12:53:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16096 states to 16096 states and 52462 transitions. [2022-03-15 12:53:29,476 INFO L78 Accepts]: Start accepts. Automaton has 16096 states and 52462 transitions. Word has length 84 [2022-03-15 12:53:29,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:29,477 INFO L470 AbstractCegarLoop]: Abstraction has 16096 states and 52462 transitions. [2022-03-15 12:53:29,477 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) [2022-03-15 12:53:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 16096 states and 52462 transitions. [2022-03-15 12:53:29,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-15 12:53:29,503 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:29,503 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] [2022-03-15 12:53:29,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-15 12:53:29,503 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:29,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:29,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1670966520, now seen corresponding path program 2 times [2022-03-15 12:53:29,504 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:29,504 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135238534] [2022-03-15 12:53:29,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:29,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:29,610 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:29,610 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135238534] [2022-03-15 12:53:29,610 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135238534] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:29,610 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:29,610 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 12:53:29,610 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949641057] [2022-03-15 12:53:29,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:29,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 12:53:29,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:29,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 12:53:29,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 12:53:29,611 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) [2022-03-15 12:53:29,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:29,926 INFO L93 Difference]: Finished difference Result 17765 states and 57689 transitions. [2022-03-15 12:53:29,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 12:53:29,926 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 [2022-03-15 12:53:29,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:29,965 INFO L225 Difference]: With dead ends: 17765 [2022-03-15 12:53:29,965 INFO L226 Difference]: Without dead ends: 17765 [2022-03-15 12:53:29,966 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 [2022-03-15 12:53:29,966 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 537 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:29,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [537 Valid, 1498 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:53:29,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17765 states. [2022-03-15 12:53:30,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17765 to 16060. [2022-03-15 12:53:30,395 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) [2022-03-15 12:53:30,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16060 states to 16060 states and 52375 transitions. [2022-03-15 12:53:30,441 INFO L78 Accepts]: Start accepts. Automaton has 16060 states and 52375 transitions. Word has length 84 [2022-03-15 12:53:30,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:30,443 INFO L470 AbstractCegarLoop]: Abstraction has 16060 states and 52375 transitions. [2022-03-15 12:53:30,443 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) [2022-03-15 12:53:30,443 INFO L276 IsEmpty]: Start isEmpty. Operand 16060 states and 52375 transitions. [2022-03-15 12:53:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-15 12:53:30,469 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:30,469 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] [2022-03-15 12:53:30,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-15 12:53:30,469 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:30,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:30,470 INFO L85 PathProgramCache]: Analyzing trace with hash -486818632, now seen corresponding path program 2 times [2022-03-15 12:53:30,470 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:30,470 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062450832] [2022-03-15 12:53:30,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:30,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:30,632 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:30,632 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062450832] [2022-03-15 12:53:30,632 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062450832] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:30,632 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:30,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 12:53:30,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988697679] [2022-03-15 12:53:30,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:30,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 12:53:30,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:30,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 12:53:30,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-03-15 12:53:30,633 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) [2022-03-15 12:53:31,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:31,083 INFO L93 Difference]: Finished difference Result 17365 states and 56648 transitions. [2022-03-15 12:53:31,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 12:53:31,083 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 [2022-03-15 12:53:31,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:31,152 INFO L225 Difference]: With dead ends: 17365 [2022-03-15 12:53:31,152 INFO L226 Difference]: Without dead ends: 17365 [2022-03-15 12:53:31,152 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 [2022-03-15 12:53:31,155 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 529 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1843 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:31,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [529 Valid, 1843 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 12:53:31,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17365 states. [2022-03-15 12:53:31,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17365 to 15700. [2022-03-15 12:53:31,604 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) [2022-03-15 12:53:31,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15700 states to 15700 states and 51406 transitions. [2022-03-15 12:53:31,657 INFO L78 Accepts]: Start accepts. Automaton has 15700 states and 51406 transitions. Word has length 84 [2022-03-15 12:53:31,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:31,657 INFO L470 AbstractCegarLoop]: Abstraction has 15700 states and 51406 transitions. [2022-03-15 12:53:31,658 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) [2022-03-15 12:53:31,658 INFO L276 IsEmpty]: Start isEmpty. Operand 15700 states and 51406 transitions. [2022-03-15 12:53:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-15 12:53:31,684 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:31,684 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] [2022-03-15 12:53:31,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-15 12:53:31,684 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:31,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:31,688 INFO L85 PathProgramCache]: Analyzing trace with hash 952844316, now seen corresponding path program 1 times [2022-03-15 12:53:31,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:31,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598735053] [2022-03-15 12:53:31,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:31,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:31,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:31,830 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:31,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598735053] [2022-03-15 12:53:31,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598735053] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:31,830 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:31,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 12:53:31,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860473958] [2022-03-15 12:53:31,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:31,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 12:53:31,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:31,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 12:53:31,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-03-15 12:53:31,831 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) [2022-03-15 12:53:32,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:32,153 INFO L93 Difference]: Finished difference Result 19210 states and 61945 transitions. [2022-03-15 12:53:32,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 12:53:32,153 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 [2022-03-15 12:53:32,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:32,200 INFO L225 Difference]: With dead ends: 19210 [2022-03-15 12:53:32,201 INFO L226 Difference]: Without dead ends: 19210 [2022-03-15 12:53:32,201 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 [2022-03-15 12:53:32,202 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 455 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1304 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:32,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [455 Valid, 1304 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:53:32,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19210 states. [2022-03-15 12:53:32,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19210 to 16802. [2022-03-15 12:53:32,613 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) [2022-03-15 12:53:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16802 states to 16802 states and 54832 transitions. [2022-03-15 12:53:32,655 INFO L78 Accepts]: Start accepts. Automaton has 16802 states and 54832 transitions. Word has length 87 [2022-03-15 12:53:32,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:32,655 INFO L470 AbstractCegarLoop]: Abstraction has 16802 states and 54832 transitions. [2022-03-15 12:53:32,655 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) [2022-03-15 12:53:32,655 INFO L276 IsEmpty]: Start isEmpty. Operand 16802 states and 54832 transitions. [2022-03-15 12:53:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-15 12:53:32,684 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:32,684 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] [2022-03-15 12:53:32,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-15 12:53:32,684 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:32,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:32,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1150900316, now seen corresponding path program 1 times [2022-03-15 12:53:32,685 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:32,685 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391809558] [2022-03-15 12:53:32,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:32,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:32,812 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:32,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391809558] [2022-03-15 12:53:32,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391809558] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:32,812 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:32,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 12:53:32,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593748802] [2022-03-15 12:53:32,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:32,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 12:53:32,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:32,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 12:53:32,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-03-15 12:53:32,813 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) [2022-03-15 12:53:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:33,138 INFO L93 Difference]: Finished difference Result 18709 states and 60621 transitions. [2022-03-15 12:53:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 12:53:33,138 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 [2022-03-15 12:53:33,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:33,183 INFO L225 Difference]: With dead ends: 18709 [2022-03-15 12:53:33,184 INFO L226 Difference]: Without dead ends: 18709 [2022-03-15 12:53:33,184 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 [2022-03-15 12:53:33,184 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 544 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:33,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [544 Valid, 1277 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:53:33,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18709 states. [2022-03-15 12:53:33,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18709 to 16712. [2022-03-15 12:53:33,658 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) [2022-03-15 12:53:33,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16712 states to 16712 states and 54592 transitions. [2022-03-15 12:53:33,707 INFO L78 Accepts]: Start accepts. Automaton has 16712 states and 54592 transitions. Word has length 87 [2022-03-15 12:53:33,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:33,707 INFO L470 AbstractCegarLoop]: Abstraction has 16712 states and 54592 transitions. [2022-03-15 12:53:33,707 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) [2022-03-15 12:53:33,707 INFO L276 IsEmpty]: Start isEmpty. Operand 16712 states and 54592 transitions. [2022-03-15 12:53:33,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-15 12:53:33,736 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:33,736 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] [2022-03-15 12:53:33,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-15 12:53:33,737 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:33,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:33,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1964303902, now seen corresponding path program 2 times [2022-03-15 12:53:33,737 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:33,737 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814481142] [2022-03-15 12:53:33,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:33,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:33,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:33,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:33,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814481142] [2022-03-15 12:53:33,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814481142] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:33,855 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:33,855 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 12:53:33,855 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845228572] [2022-03-15 12:53:33,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:33,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 12:53:33,856 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:33,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 12:53:33,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 12:53:33,857 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) [2022-03-15 12:53:34,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:34,162 INFO L93 Difference]: Finished difference Result 18891 states and 61138 transitions. [2022-03-15 12:53:34,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 12:53:34,163 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 [2022-03-15 12:53:34,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:34,209 INFO L225 Difference]: With dead ends: 18891 [2022-03-15 12:53:34,209 INFO L226 Difference]: Without dead ends: 18891 [2022-03-15 12:53:34,209 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 [2022-03-15 12:53:34,210 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 633 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:34,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [633 Valid, 1168 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:53:34,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18891 states. [2022-03-15 12:53:34,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18891 to 16997. [2022-03-15 12:53:34,686 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) [2022-03-15 12:53:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16997 states to 16997 states and 55307 transitions. [2022-03-15 12:53:34,732 INFO L78 Accepts]: Start accepts. Automaton has 16997 states and 55307 transitions. Word has length 87 [2022-03-15 12:53:34,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:34,732 INFO L470 AbstractCegarLoop]: Abstraction has 16997 states and 55307 transitions. [2022-03-15 12:53:34,732 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) [2022-03-15 12:53:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 16997 states and 55307 transitions. [2022-03-15 12:53:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-15 12:53:34,762 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:34,762 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] [2022-03-15 12:53:34,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-15 12:53:34,763 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:34,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:34,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1766247902, now seen corresponding path program 2 times [2022-03-15 12:53:34,763 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:34,763 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646676667] [2022-03-15 12:53:34,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:34,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:34,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:34,867 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:34,867 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646676667] [2022-03-15 12:53:34,868 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646676667] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:34,868 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:34,868 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 12:53:34,868 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458114522] [2022-03-15 12:53:34,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:34,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 12:53:34,868 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:34,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 12:53:34,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-03-15 12:53:34,869 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) [2022-03-15 12:53:35,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:35,254 INFO L93 Difference]: Finished difference Result 18317 states and 59616 transitions. [2022-03-15 12:53:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 12:53:35,254 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 [2022-03-15 12:53:35,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:35,298 INFO L225 Difference]: With dead ends: 18317 [2022-03-15 12:53:35,299 INFO L226 Difference]: Without dead ends: 18317 [2022-03-15 12:53:35,299 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 [2022-03-15 12:53:35,299 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 687 mSDsluCounter, 1521 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 1735 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:35,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 1735 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:53:35,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18317 states. [2022-03-15 12:53:35,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18317 to 16036. [2022-03-15 12:53:35,731 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) [2022-03-15 12:53:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16036 states to 16036 states and 52274 transitions. [2022-03-15 12:53:35,772 INFO L78 Accepts]: Start accepts. Automaton has 16036 states and 52274 transitions. Word has length 87 [2022-03-15 12:53:35,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:35,773 INFO L470 AbstractCegarLoop]: Abstraction has 16036 states and 52274 transitions. [2022-03-15 12:53:35,773 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) [2022-03-15 12:53:35,773 INFO L276 IsEmpty]: Start isEmpty. Operand 16036 states and 52274 transitions. [2022-03-15 12:53:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-15 12:53:35,803 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:35,803 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] [2022-03-15 12:53:35,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-15 12:53:35,803 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:35,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:35,804 INFO L85 PathProgramCache]: Analyzing trace with hash 166944156, now seen corresponding path program 3 times [2022-03-15 12:53:35,804 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:35,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035094435] [2022-03-15 12:53:35,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:35,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:35,922 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:35,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035094435] [2022-03-15 12:53:35,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035094435] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:35,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:35,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 12:53:35,922 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877915095] [2022-03-15 12:53:35,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:35,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 12:53:35,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:35,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 12:53:35,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-03-15 12:53:35,924 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) [2022-03-15 12:53:36,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:36,273 INFO L93 Difference]: Finished difference Result 17639 states and 57239 transitions. [2022-03-15 12:53:36,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 12:53:36,273 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 [2022-03-15 12:53:36,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:36,323 INFO L225 Difference]: With dead ends: 17639 [2022-03-15 12:53:36,323 INFO L226 Difference]: Without dead ends: 17363 [2022-03-15 12:53:36,323 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 [2022-03-15 12:53:36,324 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 761 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:36,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [761 Valid, 1192 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:53:36,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17363 states. [2022-03-15 12:53:36,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17363 to 15715. [2022-03-15 12:53:36,743 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) [2022-03-15 12:53:36,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15715 states to 15715 states and 51127 transitions. [2022-03-15 12:53:36,782 INFO L78 Accepts]: Start accepts. Automaton has 15715 states and 51127 transitions. Word has length 87 [2022-03-15 12:53:36,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:36,782 INFO L470 AbstractCegarLoop]: Abstraction has 15715 states and 51127 transitions. [2022-03-15 12:53:36,782 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) [2022-03-15 12:53:36,782 INFO L276 IsEmpty]: Start isEmpty. Operand 15715 states and 51127 transitions. [2022-03-15 12:53:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-15 12:53:36,809 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:36,809 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] [2022-03-15 12:53:36,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-15 12:53:36,810 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:36,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:36,810 INFO L85 PathProgramCache]: Analyzing trace with hash 365000156, now seen corresponding path program 3 times [2022-03-15 12:53:36,810 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:36,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354016345] [2022-03-15 12:53:36,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:36,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:36,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:36,916 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:36,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354016345] [2022-03-15 12:53:36,916 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354016345] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:36,916 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:36,916 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 12:53:36,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784506400] [2022-03-15 12:53:36,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:36,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 12:53:36,917 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:36,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 12:53:36,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-03-15 12:53:36,919 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) [2022-03-15 12:53:37,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:37,253 INFO L93 Difference]: Finished difference Result 16912 states and 55153 transitions. [2022-03-15 12:53:37,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 12:53:37,254 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 [2022-03-15 12:53:37,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:37,292 INFO L225 Difference]: With dead ends: 16912 [2022-03-15 12:53:37,292 INFO L226 Difference]: Without dead ends: 16912 [2022-03-15 12:53:37,292 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 [2022-03-15 12:53:37,293 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 702 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:37,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [702 Valid, 1538 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:53:37,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16912 states. [2022-03-15 12:53:37,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16912 to 15274. [2022-03-15 12:53:37,548 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) [2022-03-15 12:53:37,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15274 states to 15274 states and 49969 transitions. [2022-03-15 12:53:37,749 INFO L78 Accepts]: Start accepts. Automaton has 15274 states and 49969 transitions. Word has length 87 [2022-03-15 12:53:37,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:37,749 INFO L470 AbstractCegarLoop]: Abstraction has 15274 states and 49969 transitions. [2022-03-15 12:53:37,749 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) [2022-03-15 12:53:37,749 INFO L276 IsEmpty]: Start isEmpty. Operand 15274 states and 49969 transitions. [2022-03-15 12:53:37,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-03-15 12:53:37,773 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:37,773 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] [2022-03-15 12:53:37,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-15 12:53:37,773 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:37,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:37,774 INFO L85 PathProgramCache]: Analyzing trace with hash 814105171, now seen corresponding path program 1 times [2022-03-15 12:53:37,774 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:37,774 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598991548] [2022-03-15 12:53:37,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:37,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:37,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:37,825 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:37,825 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598991548] [2022-03-15 12:53:37,825 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598991548] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:37,825 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:37,826 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 12:53:37,826 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336328282] [2022-03-15 12:53:37,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:37,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 12:53:37,826 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:37,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 12:53:37,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-15 12:53:37,826 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) [2022-03-15 12:53:38,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:38,013 INFO L93 Difference]: Finished difference Result 16513 states and 54137 transitions. [2022-03-15 12:53:38,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 12:53:38,013 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 [2022-03-15 12:53:38,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:38,048 INFO L225 Difference]: With dead ends: 16513 [2022-03-15 12:53:38,048 INFO L226 Difference]: Without dead ends: 14989 [2022-03-15 12:53:38,048 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 [2022-03-15 12:53:38,049 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 [2022-03-15 12:53:38,049 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] [2022-03-15 12:53:38,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14989 states. [2022-03-15 12:53:38,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14989 to 13834. [2022-03-15 12:53:38,294 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) [2022-03-15 12:53:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13834 states to 13834 states and 45086 transitions. [2022-03-15 12:53:38,332 INFO L78 Accepts]: Start accepts. Automaton has 13834 states and 45086 transitions. Word has length 92 [2022-03-15 12:53:38,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:38,333 INFO L470 AbstractCegarLoop]: Abstraction has 13834 states and 45086 transitions. [2022-03-15 12:53:38,333 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) [2022-03-15 12:53:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 13834 states and 45086 transitions. [2022-03-15 12:53:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-03-15 12:53:38,357 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:38,358 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] [2022-03-15 12:53:38,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-15 12:53:38,358 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:38,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:38,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1666994155, now seen corresponding path program 2 times [2022-03-15 12:53:38,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:38,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646411226] [2022-03-15 12:53:38,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:38,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:38,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:38,419 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:38,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646411226] [2022-03-15 12:53:38,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646411226] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:38,419 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:38,419 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 12:53:38,420 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684488400] [2022-03-15 12:53:38,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:38,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 12:53:38,420 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:38,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 12:53:38,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-15 12:53:38,420 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) [2022-03-15 12:53:38,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:38,768 INFO L93 Difference]: Finished difference Result 15885 states and 51555 transitions. [2022-03-15 12:53:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 12:53:38,768 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 [2022-03-15 12:53:38,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:38,800 INFO L225 Difference]: With dead ends: 15885 [2022-03-15 12:53:38,801 INFO L226 Difference]: Without dead ends: 13925 [2022-03-15 12:53:38,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-03-15 12:53:38,802 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 604 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:38,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [604 Valid, 923 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 12:53:38,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13925 states. [2022-03-15 12:53:38,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13925 to 13242. [2022-03-15 12:53:39,014 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) [2022-03-15 12:53:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13242 states to 13242 states and 43149 transitions. [2022-03-15 12:53:39,047 INFO L78 Accepts]: Start accepts. Automaton has 13242 states and 43149 transitions. Word has length 92 [2022-03-15 12:53:39,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:39,047 INFO L470 AbstractCegarLoop]: Abstraction has 13242 states and 43149 transitions. [2022-03-15 12:53:39,047 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) [2022-03-15 12:53:39,047 INFO L276 IsEmpty]: Start isEmpty. Operand 13242 states and 43149 transitions. [2022-03-15 12:53:39,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-03-15 12:53:39,069 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:39,069 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] [2022-03-15 12:53:39,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-15 12:53:39,069 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:39,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:39,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1677033629, now seen corresponding path program 3 times [2022-03-15 12:53:39,069 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:39,069 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453322892] [2022-03-15 12:53:39,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:39,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:39,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:39,100 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:39,100 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453322892] [2022-03-15 12:53:39,100 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453322892] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:39,100 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:39,100 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 12:53:39,100 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061396801] [2022-03-15 12:53:39,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:39,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 12:53:39,101 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:39,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 12:53:39,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 12:53:39,101 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) [2022-03-15 12:53:39,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:39,187 INFO L93 Difference]: Finished difference Result 13710 states and 44377 transitions. [2022-03-15 12:53:39,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 12:53:39,187 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 [2022-03-15 12:53:39,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:39,216 INFO L225 Difference]: With dead ends: 13710 [2022-03-15 12:53:39,217 INFO L226 Difference]: Without dead ends: 13670 [2022-03-15 12:53:39,217 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 [2022-03-15 12:53:39,217 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 [2022-03-15 12:53:39,218 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] [2022-03-15 12:53:39,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13670 states. [2022-03-15 12:53:39,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13670 to 13282. [2022-03-15 12:53:39,488 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) [2022-03-15 12:53:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13282 states to 13282 states and 43259 transitions. [2022-03-15 12:53:39,521 INFO L78 Accepts]: Start accepts. Automaton has 13282 states and 43259 transitions. Word has length 92 [2022-03-15 12:53:39,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:39,521 INFO L470 AbstractCegarLoop]: Abstraction has 13282 states and 43259 transitions. [2022-03-15 12:53:39,521 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) [2022-03-15 12:53:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 13282 states and 43259 transitions. [2022-03-15 12:53:39,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-03-15 12:53:39,543 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:39,543 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] [2022-03-15 12:53:39,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-15 12:53:39,544 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:39,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:39,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1159886597, now seen corresponding path program 4 times [2022-03-15 12:53:39,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:39,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635818172] [2022-03-15 12:53:39,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:39,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:39,605 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:39,605 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635818172] [2022-03-15 12:53:39,605 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635818172] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:39,605 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:39,605 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 12:53:39,605 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153001164] [2022-03-15 12:53:39,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:39,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 12:53:39,606 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:39,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 12:53:39,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-03-15 12:53:39,606 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) [2022-03-15 12:53:39,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:39,770 INFO L93 Difference]: Finished difference Result 13965 states and 45119 transitions. [2022-03-15 12:53:39,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 12:53:39,771 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 [2022-03-15 12:53:39,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:39,802 INFO L225 Difference]: With dead ends: 13965 [2022-03-15 12:53:39,802 INFO L226 Difference]: Without dead ends: 13685 [2022-03-15 12:53:39,802 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 [2022-03-15 12:53:39,803 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 593 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:39,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [593 Valid, 801 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 12:53:39,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13685 states. [2022-03-15 12:53:40,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13685 to 13258. [2022-03-15 12:53:40,107 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) [2022-03-15 12:53:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13258 states to 13258 states and 43193 transitions. [2022-03-15 12:53:40,138 INFO L78 Accepts]: Start accepts. Automaton has 13258 states and 43193 transitions. Word has length 92 [2022-03-15 12:53:40,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:40,138 INFO L470 AbstractCegarLoop]: Abstraction has 13258 states and 43193 transitions. [2022-03-15 12:53:40,138 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) [2022-03-15 12:53:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 13258 states and 43193 transitions. [2022-03-15 12:53:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-03-15 12:53:40,159 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:40,160 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] [2022-03-15 12:53:40,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-15 12:53:40,160 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:40,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:40,160 INFO L85 PathProgramCache]: Analyzing trace with hash 493196429, now seen corresponding path program 5 times [2022-03-15 12:53:40,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:40,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662455518] [2022-03-15 12:53:40,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:40,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:40,225 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:40,225 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662455518] [2022-03-15 12:53:40,225 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662455518] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:40,225 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:40,225 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 12:53:40,225 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659787600] [2022-03-15 12:53:40,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:40,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 12:53:40,226 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:40,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 12:53:40,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-15 12:53:40,226 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) [2022-03-15 12:53:40,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:40,407 INFO L93 Difference]: Finished difference Result 13757 states and 44519 transitions. [2022-03-15 12:53:40,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-15 12:53:40,408 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 [2022-03-15 12:53:40,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:40,438 INFO L225 Difference]: With dead ends: 13757 [2022-03-15 12:53:40,438 INFO L226 Difference]: Without dead ends: 13449 [2022-03-15 12:53:40,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-03-15 12:53:40,439 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 480 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:40,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [480 Valid, 887 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 12:53:40,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13449 states. [2022-03-15 12:53:40,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13449 to 12046. [2022-03-15 12:53:40,629 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) [2022-03-15 12:53:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12046 states to 12046 states and 39094 transitions. [2022-03-15 12:53:40,658 INFO L78 Accepts]: Start accepts. Automaton has 12046 states and 39094 transitions. Word has length 92 [2022-03-15 12:53:40,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:40,658 INFO L470 AbstractCegarLoop]: Abstraction has 12046 states and 39094 transitions. [2022-03-15 12:53:40,659 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) [2022-03-15 12:53:40,659 INFO L276 IsEmpty]: Start isEmpty. Operand 12046 states and 39094 transitions. [2022-03-15 12:53:40,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-03-15 12:53:40,678 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:40,678 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] [2022-03-15 12:53:40,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-15 12:53:40,678 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:40,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:40,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1167048635, now seen corresponding path program 1 times [2022-03-15 12:53:40,678 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:40,678 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500132957] [2022-03-15 12:53:40,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:40,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:40,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:40,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500132957] [2022-03-15 12:53:40,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500132957] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:40,732 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:40,732 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 12:53:40,732 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996240523] [2022-03-15 12:53:40,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:40,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 12:53:40,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:40,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 12:53:40,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-15 12:53:40,732 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) [2022-03-15 12:53:40,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:41,000 INFO L93 Difference]: Finished difference Result 13123 states and 42606 transitions. [2022-03-15 12:53:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 12:53:41,000 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 [2022-03-15 12:53:41,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:41,023 INFO L225 Difference]: With dead ends: 13123 [2022-03-15 12:53:41,023 INFO L226 Difference]: Without dead ends: 11263 [2022-03-15 12:53:41,024 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 [2022-03-15 12:53:41,024 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 561 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:41,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [561 Valid, 816 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 12:53:41,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11263 states. [2022-03-15 12:53:41,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11263 to 10291. [2022-03-15 12:53:41,175 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) [2022-03-15 12:53:41,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10291 states to 10291 states and 33365 transitions. [2022-03-15 12:53:41,200 INFO L78 Accepts]: Start accepts. Automaton has 10291 states and 33365 transitions. Word has length 95 [2022-03-15 12:53:41,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:41,200 INFO L470 AbstractCegarLoop]: Abstraction has 10291 states and 33365 transitions. [2022-03-15 12:53:41,200 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) [2022-03-15 12:53:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 10291 states and 33365 transitions. [2022-03-15 12:53:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-03-15 12:53:41,216 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:41,216 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] [2022-03-15 12:53:41,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-15 12:53:41,216 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:41,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:41,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1757089793, now seen corresponding path program 2 times [2022-03-15 12:53:41,217 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:41,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760604865] [2022-03-15 12:53:41,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:41,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:41,271 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:41,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760604865] [2022-03-15 12:53:41,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760604865] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:41,271 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:41,272 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 12:53:41,272 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804370018] [2022-03-15 12:53:41,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:41,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 12:53:41,272 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:41,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 12:53:41,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-15 12:53:41,272 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) [2022-03-15 12:53:41,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:41,439 INFO L93 Difference]: Finished difference Result 12180 states and 39178 transitions. [2022-03-15 12:53:41,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 12:53:41,439 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 [2022-03-15 12:53:41,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:41,460 INFO L225 Difference]: With dead ends: 12180 [2022-03-15 12:53:41,461 INFO L226 Difference]: Without dead ends: 9701 [2022-03-15 12:53:41,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-03-15 12:53:41,461 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 410 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:41,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [410 Valid, 953 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 12:53:41,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9701 states. [2022-03-15 12:53:41,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9701 to 9301. [2022-03-15 12:53:41,593 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) [2022-03-15 12:53:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9301 states to 9301 states and 29962 transitions. [2022-03-15 12:53:41,614 INFO L78 Accepts]: Start accepts. Automaton has 9301 states and 29962 transitions. Word has length 95 [2022-03-15 12:53:41,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:41,615 INFO L470 AbstractCegarLoop]: Abstraction has 9301 states and 29962 transitions. [2022-03-15 12:53:41,615 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) [2022-03-15 12:53:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 9301 states and 29962 transitions. [2022-03-15 12:53:41,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-03-15 12:53:41,629 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:41,629 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] [2022-03-15 12:53:41,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-15 12:53:41,629 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:41,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:41,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1290358573, now seen corresponding path program 3 times [2022-03-15 12:53:41,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:41,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094134398] [2022-03-15 12:53:41,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:41,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:41,683 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:41,683 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094134398] [2022-03-15 12:53:41,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094134398] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:41,683 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:41,683 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 12:53:41,683 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986494825] [2022-03-15 12:53:41,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:41,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 12:53:41,684 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:41,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 12:53:41,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-03-15 12:53:41,685 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) [2022-03-15 12:53:41,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:41,847 INFO L93 Difference]: Finished difference Result 9990 states and 31826 transitions. [2022-03-15 12:53:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 12:53:41,847 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 [2022-03-15 12:53:41,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:41,866 INFO L225 Difference]: With dead ends: 9990 [2022-03-15 12:53:41,866 INFO L226 Difference]: Without dead ends: 9689 [2022-03-15 12:53:41,866 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 [2022-03-15 12:53:41,867 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 484 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:41,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [484 Valid, 676 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 12:53:41,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9689 states. [2022-03-15 12:53:41,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9689 to 9277. [2022-03-15 12:53:41,992 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) [2022-03-15 12:53:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9277 states to 9277 states and 29896 transitions. [2022-03-15 12:53:42,013 INFO L78 Accepts]: Start accepts. Automaton has 9277 states and 29896 transitions. Word has length 95 [2022-03-15 12:53:42,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:42,014 INFO L470 AbstractCegarLoop]: Abstraction has 9277 states and 29896 transitions. [2022-03-15 12:53:42,014 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) [2022-03-15 12:53:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 9277 states and 29896 transitions. [2022-03-15 12:53:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-03-15 12:53:42,027 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:42,027 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] [2022-03-15 12:53:42,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-15 12:53:42,027 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:42,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:42,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1439739145, now seen corresponding path program 4 times [2022-03-15 12:53:42,028 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:42,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091528926] [2022-03-15 12:53:42,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:42,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:42,058 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:42,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091528926] [2022-03-15 12:53:42,058 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091528926] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:42,058 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:42,058 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 12:53:42,058 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593489750] [2022-03-15 12:53:42,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:42,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 12:53:42,059 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:42,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 12:53:42,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 12:53:42,059 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) [2022-03-15 12:53:42,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:42,129 INFO L93 Difference]: Finished difference Result 9820 states and 31289 transitions. [2022-03-15 12:53:42,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 12:53:42,129 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 [2022-03-15 12:53:42,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:42,148 INFO L225 Difference]: With dead ends: 9820 [2022-03-15 12:53:42,148 INFO L226 Difference]: Without dead ends: 9780 [2022-03-15 12:53:42,148 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 [2022-03-15 12:53:42,148 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 [2022-03-15 12:53:42,149 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] [2022-03-15 12:53:42,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9780 states. [2022-03-15 12:53:42,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9780 to 9317. [2022-03-15 12:53:42,273 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) [2022-03-15 12:53:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9317 states to 9317 states and 30006 transitions. [2022-03-15 12:53:42,294 INFO L78 Accepts]: Start accepts. Automaton has 9317 states and 30006 transitions. Word has length 95 [2022-03-15 12:53:42,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:42,294 INFO L470 AbstractCegarLoop]: Abstraction has 9317 states and 30006 transitions. [2022-03-15 12:53:42,294 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) [2022-03-15 12:53:42,295 INFO L276 IsEmpty]: Start isEmpty. Operand 9317 states and 30006 transitions. [2022-03-15 12:53:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-03-15 12:53:42,308 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:42,308 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] [2022-03-15 12:53:42,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-15 12:53:42,308 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:42,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:42,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1395098901, now seen corresponding path program 5 times [2022-03-15 12:53:42,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:42,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281417244] [2022-03-15 12:53:42,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:42,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:42,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:42,371 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:42,371 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281417244] [2022-03-15 12:53:42,372 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281417244] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:42,372 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:42,372 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 12:53:42,372 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196170986] [2022-03-15 12:53:42,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:42,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 12:53:42,372 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:42,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 12:53:42,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-15 12:53:42,373 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) [2022-03-15 12:53:42,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:42,516 INFO L93 Difference]: Finished difference Result 9816 states and 31324 transitions. [2022-03-15 12:53:42,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 12:53:42,516 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 [2022-03-15 12:53:42,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:42,536 INFO L225 Difference]: With dead ends: 9816 [2022-03-15 12:53:42,537 INFO L226 Difference]: Without dead ends: 9487 [2022-03-15 12:53:42,537 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 [2022-03-15 12:53:42,538 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 396 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:42,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [396 Valid, 807 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 12:53:42,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9487 states. [2022-03-15 12:53:42,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9487 to 8087. [2022-03-15 12:53:42,659 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) [2022-03-15 12:53:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8087 states to 8087 states and 25991 transitions. [2022-03-15 12:53:42,677 INFO L78 Accepts]: Start accepts. Automaton has 8087 states and 25991 transitions. Word has length 95 [2022-03-15 12:53:42,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:42,678 INFO L470 AbstractCegarLoop]: Abstraction has 8087 states and 25991 transitions. [2022-03-15 12:53:42,678 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) [2022-03-15 12:53:42,678 INFO L276 IsEmpty]: Start isEmpty. Operand 8087 states and 25991 transitions. [2022-03-15 12:53:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-03-15 12:53:42,690 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:42,690 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] [2022-03-15 12:53:42,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-15 12:53:42,690 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:42,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:42,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1993909214, now seen corresponding path program 1 times [2022-03-15 12:53:42,690 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:42,690 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908265269] [2022-03-15 12:53:42,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:42,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:42,750 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:42,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908265269] [2022-03-15 12:53:42,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908265269] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:42,750 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:42,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 12:53:42,750 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515515621] [2022-03-15 12:53:42,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:42,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 12:53:42,750 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:42,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 12:53:42,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-03-15 12:53:42,751 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) [2022-03-15 12:53:42,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:42,859 INFO L93 Difference]: Finished difference Result 8039 states and 25906 transitions. [2022-03-15 12:53:42,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 12:53:42,860 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 [2022-03-15 12:53:42,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:42,871 INFO L225 Difference]: With dead ends: 8039 [2022-03-15 12:53:42,871 INFO L226 Difference]: Without dead ends: 5615 [2022-03-15 12:53:42,872 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 [2022-03-15 12:53:42,872 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 177 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 12:53:42,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 972 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 12:53:42,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5615 states. [2022-03-15 12:53:42,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5615 to 5615. [2022-03-15 12:53:42,941 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) [2022-03-15 12:53:42,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5615 states to 5615 states and 18330 transitions. [2022-03-15 12:53:42,953 INFO L78 Accepts]: Start accepts. Automaton has 5615 states and 18330 transitions. Word has length 95 [2022-03-15 12:53:42,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:42,954 INFO L470 AbstractCegarLoop]: Abstraction has 5615 states and 18330 transitions. [2022-03-15 12:53:42,954 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) [2022-03-15 12:53:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 5615 states and 18330 transitions. [2022-03-15 12:53:42,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-15 12:53:42,963 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 12:53:42,963 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] [2022-03-15 12:53:42,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-15 12:53:42,963 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 12:53:42,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 12:53:42,964 INFO L85 PathProgramCache]: Analyzing trace with hash 983906481, now seen corresponding path program 1 times [2022-03-15 12:53:42,964 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 12:53:42,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073345351] [2022-03-15 12:53:42,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 12:53:42,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 12:53:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 12:53:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 12:53:43,020 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 12:53:43,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073345351] [2022-03-15 12:53:43,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073345351] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 12:53:43,020 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 12:53:43,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 12:53:43,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189789148] [2022-03-15 12:53:43,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 12:53:43,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 12:53:43,021 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 12:53:43,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 12:53:43,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-03-15 12:53:43,021 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) [2022-03-15 12:53:43,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 12:53:43,101 INFO L93 Difference]: Finished difference Result 5507 states and 18107 transitions. [2022-03-15 12:53:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 12:53:43,101 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 [2022-03-15 12:53:43,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 12:53:43,102 INFO L225 Difference]: With dead ends: 5507 [2022-03-15 12:53:43,102 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 12:53:43,102 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 [2022-03-15 12:53:43,102 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 [2022-03-15 12:53:43,102 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] [2022-03-15 12:53:43,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 12:53:43,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 12:53:43,103 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) [2022-03-15 12:53:43,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 12:53:43,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2022-03-15 12:53:43,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 12:53:43,103 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 12:53:43,103 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) [2022-03-15 12:53:43,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 12:53:43,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 12:53:43,105 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-03-15 12:53:43,106 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-03-15 12:53:43,106 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-15 12:53:43,106 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2022-03-15 12:53:43,106 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2022-03-15 12:53:43,106 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-03-15 12:53:43,107 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-03-15 12:53:43,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-15 12:53:43,109 INFO L732 BasicCegarLoop]: Path program histogram: [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 12:53:43,111 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 12:53:43,111 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 12:53:43,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:53:43 BasicIcfg [2022-03-15 12:53:43,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 12:53:43,113 INFO L158 Benchmark]: Toolchain (without parser) took 69027.30ms. Allocated memory was 182.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 126.7MB in the beginning and 5.8GB in the end (delta: -5.7GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-15 12:53:43,113 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 12:53:43,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.82ms. Allocated memory is still 182.5MB. Free memory was 126.6MB in the beginning and 141.8MB in the end (delta: -15.2MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-03-15 12:53:43,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.93ms. Allocated memory is still 182.5MB. Free memory was 141.8MB in the beginning and 139.0MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 12:53:43,114 INFO L158 Benchmark]: Boogie Preprocessor took 26.69ms. Allocated memory is still 182.5MB. Free memory was 139.0MB in the beginning and 137.3MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 12:53:43,114 INFO L158 Benchmark]: RCFGBuilder took 602.80ms. Allocated memory is still 182.5MB. Free memory was 136.9MB in the beginning and 103.7MB in the end (delta: 33.2MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-03-15 12:53:43,114 INFO L158 Benchmark]: TraceAbstraction took 67857.31ms. Allocated memory was 302.0MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 272.7MB in the beginning and 5.8GB in the end (delta: -5.5GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-15 12:53:43,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 451.82ms. Allocated memory is still 182.5MB. Free memory was 126.6MB in the beginning and 141.8MB in the end (delta: -15.2MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.93ms. Allocated memory is still 182.5MB. Free memory was 141.8MB in the beginning and 139.0MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.69ms. Allocated memory is still 182.5MB. Free memory was 139.0MB in the beginning and 137.3MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 602.80ms. Allocated memory is still 182.5MB. Free memory was 136.9MB in the beginning and 103.7MB in the end (delta: 33.2MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * TraceAbstraction took 67857.31ms. Allocated memory was 302.0MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 272.7MB in the beginning and 5.8GB in the end (delta: -5.5GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 712]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 719]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 269 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 67.6s, OverallIterations: 34, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 2.1s, AutomataDifference: 22.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13880 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13880 mSDsluCounter, 31122 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25088 mSDsCounter, 619 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7625 IncrementalHoareTripleChecker+Invalid, 8244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 619 mSolverCounterUnsat, 7753 mSDtfsCounter, 7625 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 418 GetRequests, 81 SyntacticMatches, 6 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106563occurred in iteration=4, InterpolantAutomatonStates: 321, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 37.6s AutomataMinimizationTime, 34 MinimizatonAttempts, 66481 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2864 NumberOfCodeBlocks, 2864 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2830 ConstructedInterpolants, 0 QuantifiedInterpolants, 15549 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 34 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 12:53:43,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...