/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-PN-NoLbe-OGIterative-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 09:47:31,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 09:47:31,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 09:47:31,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 09:47:31,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 09:47:31,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 09:47:31,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 09:47:31,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 09:47:31,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 09:47:31,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 09:47:31,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 09:47:31,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 09:47:31,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 09:47:31,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 09:47:31,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 09:47:31,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 09:47:31,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 09:47:31,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 09:47:31,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 09:47:31,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 09:47:31,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 09:47:31,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 09:47:31,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 09:47:31,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 09:47:31,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 09:47:31,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 09:47:31,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 09:47:31,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 09:47:31,293 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-PN-NoLbe-OGIterative-Hitting.epf [2021-08-13 09:47:31,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 09:47:31,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 09:47:31,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 09:47:31,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 09:47:31,330 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 09:47:31,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 09:47:31,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 09:47:31,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 09:47:31,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 09:47:31,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 09:47:31,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 09:47:31,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 09:47:31,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 09:47:31,333 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 09:47:31,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 09:47:31,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 09:47:31,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 09:47:31,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 09:47:31,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 09:47:31,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 09:47:31,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 09:47:31,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 09:47:31,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 09:47:31,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 09:47:31,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 09:47:31,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 09:47:31,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 09:47:31,335 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 09:47:31,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 09:47:31,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 09:47:31,336 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 09:47:31,336 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 09:47:31,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 09:47:31,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 09:47:31,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 09:47:31,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 09:47:31,661 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 09:47:31,662 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 09:47:31,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2021-08-13 09:47:31,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32b764d56/57b1ceba92b54552a3bd91e1ad62c48a/FLAG2641f56d1 [2021-08-13 09:47:32,271 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 09:47:32,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2021-08-13 09:47:32,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32b764d56/57b1ceba92b54552a3bd91e1ad62c48a/FLAG2641f56d1 [2021-08-13 09:47:32,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32b764d56/57b1ceba92b54552a3bd91e1ad62c48a [2021-08-13 09:47:32,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 09:47:32,564 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 09:47:32,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 09:47:32,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 09:47:32,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 09:47:32,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 09:47:32" (1/1) ... [2021-08-13 09:47:32,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e94c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:32, skipping insertion in model container [2021-08-13 09:47:32,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 09:47:32" (1/1) ... [2021-08-13 09:47:32,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 09:47:32,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 09:47:32,961 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30694,30707] [2021-08-13 09:47:32,967 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30916,30929] [2021-08-13 09:47:32,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 09:47:32,998 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 09:47:33,035 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30694,30707] [2021-08-13 09:47:33,038 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30916,30929] [2021-08-13 09:47:33,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 09:47:33,141 INFO L208 MainTranslator]: Completed translation [2021-08-13 09:47:33,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:33 WrapperNode [2021-08-13 09:47:33,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 09:47:33,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 09:47:33,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 09:47:33,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 09:47:33,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:33" (1/1) ... [2021-08-13 09:47:33,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:33" (1/1) ... [2021-08-13 09:47:33,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 09:47:33,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 09:47:33,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 09:47:33,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 09:47:33,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:33" (1/1) ... [2021-08-13 09:47:33,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:33" (1/1) ... [2021-08-13 09:47:33,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:33" (1/1) ... [2021-08-13 09:47:33,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:33" (1/1) ... [2021-08-13 09:47:33,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:33" (1/1) ... [2021-08-13 09:47:33,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:33" (1/1) ... [2021-08-13 09:47:33,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:33" (1/1) ... [2021-08-13 09:47:33,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 09:47:33,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 09:47:33,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 09:47:33,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 09:47:33,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 09:47:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-08-13 09:47:33,344 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-08-13 09:47:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-08-13 09:47:33,346 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-08-13 09:47:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-13 09:47:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 09:47:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-08-13 09:47:33,347 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-08-13 09:47:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-13 09:47:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 09:47:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 09:47:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 09:47:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 09:47:33,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 09:47:33,352 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 09:47:34,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 09:47:34,230 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-13 09:47:34,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 09:47:34 BoogieIcfgContainer [2021-08-13 09:47:34,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 09:47:34,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 09:47:34,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 09:47:34,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 09:47:34,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 09:47:32" (1/3) ... [2021-08-13 09:47:34,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c56cf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 09:47:34, skipping insertion in model container [2021-08-13 09:47:34,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:47:33" (2/3) ... [2021-08-13 09:47:34,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c56cf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 09:47:34, skipping insertion in model container [2021-08-13 09:47:34,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 09:47:34" (3/3) ... [2021-08-13 09:47:34,240 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2021-08-13 09:47:34,245 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 09:47:34,245 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-13 09:47:34,246 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 09:47:34,286 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,287 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,287 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,287 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,287 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,287 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,287 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,287 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,287 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,288 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,288 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,288 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,288 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,288 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,288 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,288 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,288 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,289 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,289 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,289 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,290 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,290 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,290 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,290 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,291 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,291 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,291 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,291 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,291 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,292 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,292 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,292 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,292 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,292 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,292 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,293 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,293 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,293 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,293 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,293 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,293 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,293 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,293 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,293 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,294 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,294 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,294 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,294 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,294 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,294 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,294 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,294 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,294 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,295 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,295 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,295 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,295 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,295 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,295 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,296 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,296 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,296 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,296 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,296 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,296 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,296 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,296 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,296 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,297 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,297 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,297 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,297 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,297 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,297 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,297 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,298 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,298 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,298 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,298 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,298 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,299 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,299 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,299 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,299 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,299 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,299 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,299 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,300 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,300 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,300 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,300 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,301 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,301 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,302 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,302 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,305 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,306 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,306 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,306 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,311 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,312 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,312 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,312 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,312 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,312 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,312 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,312 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,312 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,313 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,313 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,313 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,313 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,313 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,313 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,313 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,313 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,313 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,313 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,314 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,314 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,314 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,314 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,314 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,315 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,315 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,315 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,315 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,315 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,315 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,315 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,315 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,315 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,315 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,315 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,316 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,316 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,316 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,316 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,316 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,316 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,320 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,321 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,321 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,321 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,321 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,321 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,321 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,321 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,322 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,322 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,322 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,322 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,322 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,322 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,323 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,323 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,324 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,324 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,324 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,324 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,324 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,324 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,324 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,324 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,324 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,324 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,325 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,325 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,325 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,325 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,325 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,325 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,325 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,325 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,325 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,325 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,325 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,326 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,327 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,327 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,327 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,327 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,327 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,327 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,328 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,328 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,328 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,328 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,328 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,328 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,329 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,329 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,329 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,329 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,329 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,329 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,335 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,335 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,335 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,335 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,335 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,336 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,336 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,336 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,336 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,336 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,336 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,337 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,340 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,340 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,340 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,340 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,341 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,341 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,341 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,342 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,342 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,342 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,343 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,343 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,343 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,343 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,343 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,343 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,343 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,343 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,344 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,344 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,344 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,344 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,344 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,344 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,345 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,345 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,345 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,346 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,346 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,346 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,346 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,346 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,346 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,346 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,346 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,346 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,347 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,347 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,347 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,347 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,347 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,347 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,347 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,347 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,348 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,348 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,348 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,348 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,348 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,348 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,350 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,350 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,351 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,351 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,353 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,360 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,360 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,360 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,360 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,360 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,360 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,360 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,361 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,361 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,361 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,361 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,361 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,361 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,362 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,362 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,362 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,362 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,362 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,362 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,363 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,363 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,363 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,365 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,365 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,366 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,366 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,366 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,367 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,367 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,367 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,368 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,368 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,368 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,368 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,369 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,369 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,369 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,369 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,369 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,369 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,369 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,369 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,369 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,370 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:47:34,385 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-08-13 09:47:34,406 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-13 09:47:34,423 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 09:47:34,423 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 09:47:34,423 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 09:47:34,423 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 09:47:34,423 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 09:47:34,423 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 09:47:34,423 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 09:47:34,423 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 09:47:34,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 170 places, 184 transitions, 410 flow [2021-08-13 09:47:34,509 INFO L129 PetriNetUnfolder]: 23/192 cut-off events. [2021-08-13 09:47:34,509 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-08-13 09:47:34,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 192 events. 23/192 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 420 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 148. Up to 6 conditions per place. [2021-08-13 09:47:34,515 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 184 transitions, 410 flow [2021-08-13 09:47:34,520 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 156 places, 168 transitions, 363 flow [2021-08-13 09:47:34,541 INFO L129 PetriNetUnfolder]: 10/124 cut-off events. [2021-08-13 09:47:34,541 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 09:47:34,542 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:34,542 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:34,542 INFO L430 AbstractCegarLoop]: === Iteration 1 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:34,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:34,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1400416887, now seen corresponding path program 1 times [2021-08-13 09:47:34,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:34,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260496019] [2021-08-13 09:47:34,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:34,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:34,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:34,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:34,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 09:47:34,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:34,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:34,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:34,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:34,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260496019] [2021-08-13 09:47:34,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260496019] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:34,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:34,790 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 09:47:34,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347892832] [2021-08-13 09:47:34,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 09:47:34,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:34,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 09:47:34,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 09:47:34,810 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 184 [2021-08-13 09:47:34,814 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 168 transitions, 363 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:34,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:34,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 184 [2021-08-13 09:47:34,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:47:34,897 INFO L129 PetriNetUnfolder]: 16/199 cut-off events. [2021-08-13 09:47:34,897 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-08-13 09:47:34,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 199 events. 16/199 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 499 event pairs, 0 based on Foata normal form. 28/209 useless extension candidates. Maximal degree in co-relation 182. Up to 13 conditions per place. [2021-08-13 09:47:34,904 INFO L132 encePairwiseOnDemand]: 175/184 looper letters, 13 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2021-08-13 09:47:34,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 163 transitions, 383 flow [2021-08-13 09:47:34,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 09:47:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 09:47:34,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2021-08-13 09:47:34,921 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9384057971014492 [2021-08-13 09:47:34,922 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 518 transitions. [2021-08-13 09:47:34,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 518 transitions. [2021-08-13 09:47:34,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:47:34,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 518 transitions. [2021-08-13 09:47:34,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:34,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:34,940 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:34,941 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 2 predicate places. [2021-08-13 09:47:34,941 INFO L482 AbstractCegarLoop]: Abstraction has has 158 places, 163 transitions, 383 flow [2021-08-13 09:47:34,941 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:34,941 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:34,941 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:34,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 09:47:34,942 INFO L430 AbstractCegarLoop]: === Iteration 2 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:34,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:34,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1483572956, now seen corresponding path program 1 times [2021-08-13 09:47:34,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:34,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771521750] [2021-08-13 09:47:34,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:35,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:35,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:35,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:35,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:35,145 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:35,145 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771521750] [2021-08-13 09:47:35,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771521750] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:35,145 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:35,145 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 09:47:35,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499688219] [2021-08-13 09:47:35,147 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 09:47:35,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:35,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 09:47:35,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 09:47:35,150 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 184 [2021-08-13 09:47:35,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 163 transitions, 383 flow. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:35,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:35,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 184 [2021-08-13 09:47:35,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:47:35,237 INFO L129 PetriNetUnfolder]: 32/325 cut-off events. [2021-08-13 09:47:35,237 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-08-13 09:47:35,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 325 events. 32/325 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1287 event pairs, 3 based on Foata normal form. 2/297 useless extension candidates. Maximal degree in co-relation 319. Up to 23 conditions per place. [2021-08-13 09:47:35,240 INFO L132 encePairwiseOnDemand]: 181/184 looper letters, 4 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2021-08-13 09:47:35,241 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 164 transitions, 397 flow [2021-08-13 09:47:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 09:47:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 09:47:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2021-08-13 09:47:35,243 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9528985507246377 [2021-08-13 09:47:35,243 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2021-08-13 09:47:35,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2021-08-13 09:47:35,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:47:35,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2021-08-13 09:47:35,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:35,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:35,247 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:35,247 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 4 predicate places. [2021-08-13 09:47:35,248 INFO L482 AbstractCegarLoop]: Abstraction has has 160 places, 164 transitions, 397 flow [2021-08-13 09:47:35,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:35,248 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:35,248 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:35,248 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 09:47:35,249 INFO L430 AbstractCegarLoop]: === Iteration 3 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:35,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:35,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1909313479, now seen corresponding path program 1 times [2021-08-13 09:47:35,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:35,250 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758294931] [2021-08-13 09:47:35,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:35,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:35,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:35,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:35,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:35,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:35,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:35,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:35,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:35,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:35,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:35,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758294931] [2021-08-13 09:47:35,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758294931] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:35,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:35,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 09:47:35,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109652688] [2021-08-13 09:47:35,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 09:47:35,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:35,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 09:47:35,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 09:47:35,346 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 184 [2021-08-13 09:47:35,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 164 transitions, 397 flow. Second operand has 5 states, 5 states have (on average 155.4) internal successors, (777), 5 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:35,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:35,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 184 [2021-08-13 09:47:35,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:47:35,838 INFO L129 PetriNetUnfolder]: 686/2495 cut-off events. [2021-08-13 09:47:35,838 INFO L130 PetriNetUnfolder]: For 123/123 co-relation queries the response was YES. [2021-08-13 09:47:35,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3902 conditions, 2495 events. 686/2495 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 21215 event pairs, 223 based on Foata normal form. 0/2242 useless extension candidates. Maximal degree in co-relation 3669. Up to 525 conditions per place. [2021-08-13 09:47:35,863 INFO L132 encePairwiseOnDemand]: 177/184 looper letters, 48 selfloop transitions, 12 changer transitions 1/198 dead transitions. [2021-08-13 09:47:35,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 198 transitions, 596 flow [2021-08-13 09:47:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-13 09:47:35,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-13 09:47:35,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1125 transitions. [2021-08-13 09:47:35,866 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8734472049689441 [2021-08-13 09:47:35,866 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1125 transitions. [2021-08-13 09:47:35,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1125 transitions. [2021-08-13 09:47:35,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:47:35,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1125 transitions. [2021-08-13 09:47:35,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.71428571428572) internal successors, (1125), 7 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:35,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:35,872 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:35,872 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 10 predicate places. [2021-08-13 09:47:35,872 INFO L482 AbstractCegarLoop]: Abstraction has has 166 places, 198 transitions, 596 flow [2021-08-13 09:47:35,873 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 155.4) internal successors, (777), 5 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:35,873 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:35,873 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:35,873 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 09:47:35,873 INFO L430 AbstractCegarLoop]: === Iteration 4 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:35,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:35,874 INFO L82 PathProgramCache]: Analyzing trace with hash 49287331, now seen corresponding path program 1 times [2021-08-13 09:47:35,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:35,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107159289] [2021-08-13 09:47:35,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:35,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:35,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:35,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:35,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:47:35,935 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-13 09:47:35,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:35,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:35,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:35,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:35,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:35,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:35,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:47:35,967 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 09:47:35,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:35,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:35,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:35,971 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:35,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107159289] [2021-08-13 09:47:35,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107159289] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:35,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:35,972 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 09:47:35,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498452133] [2021-08-13 09:47:35,972 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 09:47:35,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:35,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 09:47:35,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-13 09:47:35,975 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 184 [2021-08-13 09:47:35,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 198 transitions, 596 flow. Second operand has 6 states, 6 states have (on average 145.83333333333334) internal successors, (875), 6 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:35,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:35,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 184 [2021-08-13 09:47:35,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:47:37,005 INFO L129 PetriNetUnfolder]: 2641/6557 cut-off events. [2021-08-13 09:47:37,005 INFO L130 PetriNetUnfolder]: For 585/590 co-relation queries the response was YES. [2021-08-13 09:47:37,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12177 conditions, 6557 events. 2641/6557 cut-off events. For 585/590 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 61326 event pairs, 327 based on Foata normal form. 211/6220 useless extension candidates. Maximal degree in co-relation 11732. Up to 2128 conditions per place. [2021-08-13 09:47:37,084 INFO L132 encePairwiseOnDemand]: 166/184 looper letters, 76 selfloop transitions, 31 changer transitions 1/269 dead transitions. [2021-08-13 09:47:37,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 269 transitions, 1037 flow [2021-08-13 09:47:37,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-13 09:47:37,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-13 09:47:37,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1267 transitions. [2021-08-13 09:47:37,088 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.860733695652174 [2021-08-13 09:47:37,088 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1267 transitions. [2021-08-13 09:47:37,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1267 transitions. [2021-08-13 09:47:37,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:47:37,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1267 transitions. [2021-08-13 09:47:37,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 158.375) internal successors, (1267), 8 states have internal predecessors, (1267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:37,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 184.0) internal successors, (1656), 9 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:37,095 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 184.0) internal successors, (1656), 9 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:37,095 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 17 predicate places. [2021-08-13 09:47:37,095 INFO L482 AbstractCegarLoop]: Abstraction has has 173 places, 269 transitions, 1037 flow [2021-08-13 09:47:37,097 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 145.83333333333334) internal successors, (875), 6 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:37,097 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:37,097 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:37,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 09:47:37,098 INFO L430 AbstractCegarLoop]: === Iteration 5 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:37,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:37,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1352231797, now seen corresponding path program 2 times [2021-08-13 09:47:37,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:37,099 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076239571] [2021-08-13 09:47:37,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:37,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:37,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:37,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:37,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:37,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:47:37,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:37,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 09:47:37,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:37,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:37,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:37,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:37,312 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:37,312 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076239571] [2021-08-13 09:47:37,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076239571] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:37,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:37,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 09:47:37,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415167346] [2021-08-13 09:47:37,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 09:47:37,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:37,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 09:47:37,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-13 09:47:37,319 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 184 [2021-08-13 09:47:37,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 269 transitions, 1037 flow. Second operand has 7 states, 7 states have (on average 142.57142857142858) internal successors, (998), 7 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:37,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:37,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 184 [2021-08-13 09:47:37,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:47:39,563 INFO L129 PetriNetUnfolder]: 6801/15282 cut-off events. [2021-08-13 09:47:39,563 INFO L130 PetriNetUnfolder]: For 4573/4964 co-relation queries the response was YES. [2021-08-13 09:47:39,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33420 conditions, 15282 events. 6801/15282 cut-off events. For 4573/4964 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 155881 event pairs, 1142 based on Foata normal form. 121/13959 useless extension candidates. Maximal degree in co-relation 32242. Up to 4049 conditions per place. [2021-08-13 09:47:39,733 INFO L132 encePairwiseOnDemand]: 174/184 looper letters, 134 selfloop transitions, 23 changer transitions 4/364 dead transitions. [2021-08-13 09:47:39,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 364 transitions, 1742 flow [2021-08-13 09:47:39,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-13 09:47:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-13 09:47:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1473 transitions. [2021-08-13 09:47:39,737 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8005434782608696 [2021-08-13 09:47:39,737 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1473 transitions. [2021-08-13 09:47:39,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1473 transitions. [2021-08-13 09:47:39,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:47:39,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1473 transitions. [2021-08-13 09:47:39,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 147.3) internal successors, (1473), 10 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:39,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 184.0) internal successors, (2024), 11 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:39,744 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 184.0) internal successors, (2024), 11 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:39,744 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 26 predicate places. [2021-08-13 09:47:39,744 INFO L482 AbstractCegarLoop]: Abstraction has has 182 places, 364 transitions, 1742 flow [2021-08-13 09:47:39,745 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 142.57142857142858) internal successors, (998), 7 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:39,745 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:39,745 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:39,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 09:47:39,745 INFO L430 AbstractCegarLoop]: === Iteration 6 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:39,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:39,745 INFO L82 PathProgramCache]: Analyzing trace with hash -588655955, now seen corresponding path program 1 times [2021-08-13 09:47:39,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:39,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180066159] [2021-08-13 09:47:39,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:39,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:39,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:39,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:39,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:47:39,859 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-13 09:47:39,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:39,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:39,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:39,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:39,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:39,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:39,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:39,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:39,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:39,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:39,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180066159] [2021-08-13 09:47:39,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180066159] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:39,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:39,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 09:47:39,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547627078] [2021-08-13 09:47:39,892 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 09:47:39,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:39,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 09:47:39,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-13 09:47:39,894 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 184 [2021-08-13 09:47:39,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 364 transitions, 1742 flow. Second operand has 7 states, 7 states have (on average 145.57142857142858) internal successors, (1019), 7 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:39,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:39,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 184 [2021-08-13 09:47:39,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:47:41,941 INFO L129 PetriNetUnfolder]: 6431/14375 cut-off events. [2021-08-13 09:47:41,942 INFO L130 PetriNetUnfolder]: For 5968/6681 co-relation queries the response was YES. [2021-08-13 09:47:42,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36529 conditions, 14375 events. 6431/14375 cut-off events. For 5968/6681 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 145332 event pairs, 912 based on Foata normal form. 145/13158 useless extension candidates. Maximal degree in co-relation 31821. Up to 4130 conditions per place. [2021-08-13 09:47:42,116 INFO L132 encePairwiseOnDemand]: 163/184 looper letters, 99 selfloop transitions, 37 changer transitions 3/390 dead transitions. [2021-08-13 09:47:42,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 390 transitions, 2134 flow [2021-08-13 09:47:42,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-13 09:47:42,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-13 09:47:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1555 transitions. [2021-08-13 09:47:42,120 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.845108695652174 [2021-08-13 09:47:42,120 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1555 transitions. [2021-08-13 09:47:42,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1555 transitions. [2021-08-13 09:47:42,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:47:42,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1555 transitions. [2021-08-13 09:47:42,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 155.5) internal successors, (1555), 10 states have internal predecessors, (1555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:42,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 184.0) internal successors, (2024), 11 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:42,127 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 184.0) internal successors, (2024), 11 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:42,128 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 35 predicate places. [2021-08-13 09:47:42,128 INFO L482 AbstractCegarLoop]: Abstraction has has 191 places, 390 transitions, 2134 flow [2021-08-13 09:47:42,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 145.57142857142858) internal successors, (1019), 7 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:42,130 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:42,130 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:42,130 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 09:47:42,130 INFO L430 AbstractCegarLoop]: === Iteration 7 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:42,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:42,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1975998775, now seen corresponding path program 1 times [2021-08-13 09:47:42,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:42,131 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109558920] [2021-08-13 09:47:42,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:42,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:42,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:42,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:42,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:42,200 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:42,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109558920] [2021-08-13 09:47:42,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109558920] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:42,200 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:42,201 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 09:47:42,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530692044] [2021-08-13 09:47:42,201 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 09:47:42,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:42,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 09:47:42,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 09:47:42,202 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 184 [2021-08-13 09:47:42,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 390 transitions, 2134 flow. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:42,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:42,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 184 [2021-08-13 09:47:42,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:47:43,733 INFO L129 PetriNetUnfolder]: 6205/14002 cut-off events. [2021-08-13 09:47:43,734 INFO L130 PetriNetUnfolder]: For 7134/7726 co-relation queries the response was YES. [2021-08-13 09:47:43,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35881 conditions, 14002 events. 6205/14002 cut-off events. For 7134/7726 co-relation queries the response was YES. Maximal size of possible extension queue 605. Compared 142239 event pairs, 859 based on Foata normal form. 72/12733 useless extension candidates. Maximal degree in co-relation 34556. Up to 3889 conditions per place. [2021-08-13 09:47:43,835 INFO L132 encePairwiseOnDemand]: 182/184 looper letters, 14 selfloop transitions, 3 changer transitions 4/392 dead transitions. [2021-08-13 09:47:43,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 392 transitions, 2184 flow [2021-08-13 09:47:43,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 09:47:43,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 09:47:43,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2021-08-13 09:47:43,837 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9528985507246377 [2021-08-13 09:47:43,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2021-08-13 09:47:43,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2021-08-13 09:47:43,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:47:43,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2021-08-13 09:47:43,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:43,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:43,840 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:43,840 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 37 predicate places. [2021-08-13 09:47:43,840 INFO L482 AbstractCegarLoop]: Abstraction has has 193 places, 392 transitions, 2184 flow [2021-08-13 09:47:43,840 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:43,840 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:43,840 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:43,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 09:47:43,841 INFO L430 AbstractCegarLoop]: === Iteration 8 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:43,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:43,841 INFO L82 PathProgramCache]: Analyzing trace with hash -413653959, now seen corresponding path program 1 times [2021-08-13 09:47:43,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:43,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774401721] [2021-08-13 09:47:43,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:43,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:43,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:43,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:43,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:43,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:43,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:43,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:43,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:43,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:43,891 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:43,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774401721] [2021-08-13 09:47:43,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774401721] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:43,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:43,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 09:47:43,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993311373] [2021-08-13 09:47:43,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 09:47:43,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:43,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 09:47:43,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 09:47:43,893 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 184 [2021-08-13 09:47:43,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 392 transitions, 2184 flow. Second operand has 5 states, 5 states have (on average 155.8) internal successors, (779), 5 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:43,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:43,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 184 [2021-08-13 09:47:43,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:47:44,226 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][293], [96#L763-1true, 194#true, 169#true, 171#true, 172#true, 205#true, 174#true, 241#(= ~readerprogress1~0 2), 178#true, 245#(= ~readerprogress2~0 2), 53#L788-1true, 182#true, 58#L758true, 223#true]) [2021-08-13 09:47:44,226 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:47:44,226 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:47:44,226 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:47:44,226 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:47:45,944 INFO L129 PetriNetUnfolder]: 7609/17070 cut-off events. [2021-08-13 09:47:45,944 INFO L130 PetriNetUnfolder]: For 14023/17002 co-relation queries the response was YES. [2021-08-13 09:47:46,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49337 conditions, 17070 events. 7609/17070 cut-off events. For 14023/17002 co-relation queries the response was YES. Maximal size of possible extension queue 734. Compared 179530 event pairs, 745 based on Foata normal form. 128/15773 useless extension candidates. Maximal degree in co-relation 47759. Up to 4885 conditions per place. [2021-08-13 09:47:46,074 INFO L132 encePairwiseOnDemand]: 178/184 looper letters, 215 selfloop transitions, 12 changer transitions 18/492 dead transitions. [2021-08-13 09:47:46,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 492 transitions, 3301 flow [2021-08-13 09:47:46,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 09:47:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 09:47:46,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 813 transitions. [2021-08-13 09:47:46,077 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.883695652173913 [2021-08-13 09:47:46,077 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 813 transitions. [2021-08-13 09:47:46,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 813 transitions. [2021-08-13 09:47:46,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:47:46,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 813 transitions. [2021-08-13 09:47:46,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 162.6) internal successors, (813), 5 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:46,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:46,081 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:46,081 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 41 predicate places. [2021-08-13 09:47:46,081 INFO L482 AbstractCegarLoop]: Abstraction has has 197 places, 492 transitions, 3301 flow [2021-08-13 09:47:46,081 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 155.8) internal successors, (779), 5 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:46,081 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:46,082 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:46,082 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 09:47:46,082 INFO L430 AbstractCegarLoop]: === Iteration 9 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:46,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:46,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1865929570, now seen corresponding path program 1 times [2021-08-13 09:47:46,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:46,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277249895] [2021-08-13 09:47:46,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:46,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:46,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:46,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:46,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:46,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:46,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:46,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:46,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:46,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277249895] [2021-08-13 09:47:46,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277249895] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:46,121 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:46,121 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 09:47:46,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577162854] [2021-08-13 09:47:46,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 09:47:46,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:46,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 09:47:46,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 09:47:46,122 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 184 [2021-08-13 09:47:46,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 492 transitions, 3301 flow. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:46,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:46,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 184 [2021-08-13 09:47:46,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:47:46,403 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][281], [96#L763-1true, 194#true, 169#true, 171#true, 172#true, 205#true, 174#true, 241#(= ~readerprogress1~0 2), 178#true, 53#L788-1true, 245#(= ~readerprogress2~0 2), 182#true, 58#L758true, 223#true, 255#(= ~idx~0 0)]) [2021-08-13 09:47:46,403 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:47:46,403 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:47:46,403 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:47:46,403 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:47:47,778 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([823] L769-1-->L777: Formula: (= |v_qrcu_updaterThread1of1ForFork0_#t~mem22_1| (select (select |v_#memory_int_1| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|)) InVars {#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} OutVars{#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_#t~mem22=|v_qrcu_updaterThread1of1ForFork0_#t~mem22_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} AuxVars[] AssignedVars[qrcu_updaterThread1of1ForFork0_#t~mem22][369], [194#true, 229#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 70#L777true, 169#true, 171#true, 173#true, 176#(< 1 qrcu_updaterThread1of1ForFork0_~sum~0), 241#(= ~readerprogress1~0 2), 178#true, 19#L739true, 51#L758-3true, 245#(= ~readerprogress2~0 2), 121#L787-1true, 185#(= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset|) 0), 221#(and (= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset|) 0) (= |qrcu_updaterThread1of1ForFork0_#t~mem22| 0)), 253#true]) [2021-08-13 09:47:47,778 INFO L384 tUnfolder$Statistics]: this new event has 97 ancestors and is cut-off event [2021-08-13 09:47:47,779 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-08-13 09:47:47,779 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-08-13 09:47:47,779 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-08-13 09:47:47,914 INFO L129 PetriNetUnfolder]: 7972/18225 cut-off events. [2021-08-13 09:47:47,914 INFO L130 PetriNetUnfolder]: For 15479/18590 co-relation queries the response was YES. [2021-08-13 09:47:48,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53012 conditions, 18225 events. 7972/18225 cut-off events. For 15479/18590 co-relation queries the response was YES. Maximal size of possible extension queue 771. Compared 193820 event pairs, 825 based on Foata normal form. 22/16676 useless extension candidates. Maximal degree in co-relation 51222. Up to 4580 conditions per place. [2021-08-13 09:47:48,155 INFO L132 encePairwiseOnDemand]: 181/184 looper letters, 7 selfloop transitions, 2 changer transitions 18/470 dead transitions. [2021-08-13 09:47:48,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 470 transitions, 3195 flow [2021-08-13 09:47:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 09:47:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 09:47:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2021-08-13 09:47:48,157 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9365942028985508 [2021-08-13 09:47:48,157 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 517 transitions. [2021-08-13 09:47:48,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions. [2021-08-13 09:47:48,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:47:48,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions. [2021-08-13 09:47:48,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:48,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:48,160 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:48,160 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 35 predicate places. [2021-08-13 09:47:48,160 INFO L482 AbstractCegarLoop]: Abstraction has has 191 places, 470 transitions, 3195 flow [2021-08-13 09:47:48,160 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:48,160 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:48,160 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:48,161 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 09:47:48,161 INFO L430 AbstractCegarLoop]: === Iteration 10 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:48,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:48,161 INFO L82 PathProgramCache]: Analyzing trace with hash 2143862336, now seen corresponding path program 1 times [2021-08-13 09:47:48,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:48,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104284168] [2021-08-13 09:47:48,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:48,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:48,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:48,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:48,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:47:48,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:48,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:48,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:48,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104284168] [2021-08-13 09:47:48,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104284168] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:48,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:48,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 09:47:48,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111544802] [2021-08-13 09:47:48,189 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 09:47:48,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:48,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 09:47:48,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 09:47:48,190 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 184 [2021-08-13 09:47:48,190 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 470 transitions, 3195 flow. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:48,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:48,190 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 184 [2021-08-13 09:47:48,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:47:48,491 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][278], [96#L763-1true, 257#true, 194#true, 169#true, 171#true, 172#true, 205#true, 174#true, 241#(= ~readerprogress1~0 2), 178#true, 53#L788-1true, 245#(= ~readerprogress2~0 2), 182#true, 58#L758true, 223#true, 255#(= ~idx~0 0)]) [2021-08-13 09:47:48,491 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:47:48,491 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:47:48,491 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:47:48,491 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:47:49,890 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([823] L769-1-->L777: Formula: (= |v_qrcu_updaterThread1of1ForFork0_#t~mem22_1| (select (select |v_#memory_int_1| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|)) InVars {#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} OutVars{#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_#t~mem22=|v_qrcu_updaterThread1of1ForFork0_#t~mem22_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} AuxVars[] AssignedVars[qrcu_updaterThread1of1ForFork0_#t~mem22][366], [194#true, 259#(= ~idx~0 1), 229#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 70#L777true, 169#true, 171#true, 173#true, 176#(< 1 qrcu_updaterThread1of1ForFork0_~sum~0), 241#(= ~readerprogress1~0 2), 178#true, 19#L739true, 51#L758-3true, 245#(= ~readerprogress2~0 2), 121#L787-1true, 185#(= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset|) 0), 253#true, 221#(and (= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset|) 0) (= |qrcu_updaterThread1of1ForFork0_#t~mem22| 0))]) [2021-08-13 09:47:49,890 INFO L384 tUnfolder$Statistics]: this new event has 97 ancestors and is cut-off event [2021-08-13 09:47:49,890 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-08-13 09:47:49,890 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-08-13 09:47:49,890 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-08-13 09:47:50,089 INFO L129 PetriNetUnfolder]: 7688/17824 cut-off events. [2021-08-13 09:47:50,089 INFO L130 PetriNetUnfolder]: For 15741/18936 co-relation queries the response was YES. [2021-08-13 09:47:50,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52486 conditions, 17824 events. 7688/17824 cut-off events. For 15741/18936 co-relation queries the response was YES. Maximal size of possible extension queue 765. Compared 191242 event pairs, 825 based on Foata normal form. 52/16539 useless extension candidates. Maximal degree in co-relation 50694. Up to 4346 conditions per place. [2021-08-13 09:47:50,205 INFO L132 encePairwiseOnDemand]: 182/184 looper letters, 7 selfloop transitions, 1 changer transitions 18/467 dead transitions. [2021-08-13 09:47:50,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 467 transitions, 3195 flow [2021-08-13 09:47:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 09:47:50,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 09:47:50,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 516 transitions. [2021-08-13 09:47:50,208 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9347826086956522 [2021-08-13 09:47:50,208 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 516 transitions. [2021-08-13 09:47:50,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 516 transitions. [2021-08-13 09:47:50,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:47:50,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 516 transitions. [2021-08-13 09:47:50,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:50,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:50,210 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:50,210 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 36 predicate places. [2021-08-13 09:47:50,210 INFO L482 AbstractCegarLoop]: Abstraction has has 192 places, 467 transitions, 3195 flow [2021-08-13 09:47:50,210 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:50,210 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:50,211 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:50,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-13 09:47:50,211 INFO L430 AbstractCegarLoop]: === Iteration 11 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:50,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:50,211 INFO L82 PathProgramCache]: Analyzing trace with hash -558620228, now seen corresponding path program 1 times [2021-08-13 09:47:50,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:50,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37026132] [2021-08-13 09:47:50,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:50,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:50,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:50,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:50,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:50,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:50,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:50,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:50,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:50,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:50,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:50,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:50,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37026132] [2021-08-13 09:47:50,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37026132] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:50,258 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:50,258 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 09:47:50,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101777067] [2021-08-13 09:47:50,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 09:47:50,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:50,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 09:47:50,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 09:47:50,259 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 184 [2021-08-13 09:47:50,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 467 transitions, 3195 flow. Second operand has 5 states, 5 states have (on average 162.4) internal successors, (812), 5 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:50,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:50,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 184 [2021-08-13 09:47:50,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:47:50,762 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][284], [96#L763-1true, 257#true, 194#true, 261#true, 169#true, 171#true, 172#true, 205#true, 174#true, 241#(= ~readerprogress1~0 2), 178#true, 53#L788-1true, 245#(= ~readerprogress2~0 2), 182#true, 58#L758true, 223#true, 255#(= ~idx~0 0)]) [2021-08-13 09:47:50,762 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:47:50,762 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:47:50,762 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:47:50,762 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:47:52,426 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([823] L769-1-->L777: Formula: (= |v_qrcu_updaterThread1of1ForFork0_#t~mem22_1| (select (select |v_#memory_int_1| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|)) InVars {#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} OutVars{#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_#t~mem22=|v_qrcu_updaterThread1of1ForFork0_#t~mem22_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} AuxVars[] AssignedVars[qrcu_updaterThread1of1ForFork0_#t~mem22][396], [194#true, 259#(= ~idx~0 1), 229#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 261#true, 70#L777true, 169#true, 171#true, 173#true, 176#(< 1 qrcu_updaterThread1of1ForFork0_~sum~0), 241#(= ~readerprogress1~0 2), 178#true, 51#L758-3true, 19#L739true, 245#(= ~readerprogress2~0 2), 121#L787-1true, 185#(= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset|) 0), 253#true, 221#(and (= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset|) 0) (= |qrcu_updaterThread1of1ForFork0_#t~mem22| 0))]) [2021-08-13 09:47:52,426 INFO L384 tUnfolder$Statistics]: this new event has 97 ancestors and is cut-off event [2021-08-13 09:47:52,426 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-08-13 09:47:52,427 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-08-13 09:47:52,427 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-08-13 09:47:52,604 INFO L129 PetriNetUnfolder]: 8924/20697 cut-off events. [2021-08-13 09:47:52,604 INFO L130 PetriNetUnfolder]: For 23763/28158 co-relation queries the response was YES. [2021-08-13 09:47:52,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65389 conditions, 20697 events. 8924/20697 cut-off events. For 23763/28158 co-relation queries the response was YES. Maximal size of possible extension queue 901. Compared 229145 event pairs, 848 based on Foata normal form. 142/19213 useless extension candidates. Maximal degree in co-relation 63446. Up to 5714 conditions per place. [2021-08-13 09:47:52,864 INFO L132 encePairwiseOnDemand]: 174/184 looper letters, 59 selfloop transitions, 36 changer transitions 14/499 dead transitions. [2021-08-13 09:47:52,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 499 transitions, 3609 flow [2021-08-13 09:47:52,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-13 09:47:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-13 09:47:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1179 transitions. [2021-08-13 09:47:52,867 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9153726708074534 [2021-08-13 09:47:52,867 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1179 transitions. [2021-08-13 09:47:52,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1179 transitions. [2021-08-13 09:47:52,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:47:52,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1179 transitions. [2021-08-13 09:47:52,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 168.42857142857142) internal successors, (1179), 7 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:52,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:52,873 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:52,873 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 42 predicate places. [2021-08-13 09:47:52,873 INFO L482 AbstractCegarLoop]: Abstraction has has 198 places, 499 transitions, 3609 flow [2021-08-13 09:47:52,874 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 162.4) internal successors, (812), 5 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:52,874 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:52,874 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:52,874 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-13 09:47:52,874 INFO L430 AbstractCegarLoop]: === Iteration 12 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:52,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:52,874 INFO L82 PathProgramCache]: Analyzing trace with hash -427685141, now seen corresponding path program 1 times [2021-08-13 09:47:52,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:52,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694827760] [2021-08-13 09:47:52,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:52,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:52,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:52,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:52,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:52,941 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-13 09:47:52,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:52,949 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:47:52,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:47:52,958 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:47:52,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:47:52,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:52,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:47:52,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:52,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:47:52,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:52,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:53,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:53,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:53,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:53,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:47:53,020 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 09:47:53,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:53,022 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 09:47:53,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:53,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:53,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:53,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:53,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694827760] [2021-08-13 09:47:53,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694827760] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:53,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:53,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-13 09:47:53,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251222961] [2021-08-13 09:47:53,024 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-13 09:47:53,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:53,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-13 09:47:53,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-08-13 09:47:53,026 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 184 [2021-08-13 09:47:53,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 499 transitions, 3609 flow. Second operand has 10 states, 10 states have (on average 134.8) internal successors, (1348), 10 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:53,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:53,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 184 [2021-08-13 09:47:53,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:47:56,851 INFO L129 PetriNetUnfolder]: 12587/27989 cut-off events. [2021-08-13 09:47:56,851 INFO L130 PetriNetUnfolder]: For 44736/50116 co-relation queries the response was YES. [2021-08-13 09:47:57,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97211 conditions, 27989 events. 12587/27989 cut-off events. For 44736/50116 co-relation queries the response was YES. Maximal size of possible extension queue 1149. Compared 308265 event pairs, 1000 based on Foata normal form. 316/26308 useless extension candidates. Maximal degree in co-relation 94716. Up to 7456 conditions per place. [2021-08-13 09:47:57,205 INFO L132 encePairwiseOnDemand]: 167/184 looper letters, 254 selfloop transitions, 102 changer transitions 50/694 dead transitions. [2021-08-13 09:47:57,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 694 transitions, 5932 flow [2021-08-13 09:47:57,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-13 09:47:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-08-13 09:47:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2205 transitions. [2021-08-13 09:47:57,209 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7989130434782609 [2021-08-13 09:47:57,209 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2205 transitions. [2021-08-13 09:47:57,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2205 transitions. [2021-08-13 09:47:57,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:47:57,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2205 transitions. [2021-08-13 09:47:57,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 147.0) internal successors, (2205), 15 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:57,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 184.0) internal successors, (2944), 16 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:57,219 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 184.0) internal successors, (2944), 16 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:57,219 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 56 predicate places. [2021-08-13 09:47:57,219 INFO L482 AbstractCegarLoop]: Abstraction has has 212 places, 694 transitions, 5932 flow [2021-08-13 09:47:57,220 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 134.8) internal successors, (1348), 10 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:57,220 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:47:57,220 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:47:57,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-13 09:47:57,220 INFO L430 AbstractCegarLoop]: === Iteration 13 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:47:57,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:47:57,220 INFO L82 PathProgramCache]: Analyzing trace with hash 749575133, now seen corresponding path program 1 times [2021-08-13 09:47:57,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:47:57,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414346722] [2021-08-13 09:47:57,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:47:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:47:57,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:57,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:57,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:57,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:57,287 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-13 09:47:57,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:57,294 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:47:57,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:47:57,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:57,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:47:57,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:57,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:47:57,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:57,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:47:57,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:57,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:57,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:57,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:47:57,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:57,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:47:57,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:47:57,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:47:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:47:57,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:47:57,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414346722] [2021-08-13 09:47:57,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414346722] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:47:57,363 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:47:57,363 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-13 09:47:57,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871753116] [2021-08-13 09:47:57,363 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 09:47:57,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:47:57,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 09:47:57,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-08-13 09:47:57,365 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 184 [2021-08-13 09:47:57,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 694 transitions, 5932 flow. Second operand has 11 states, 11 states have (on average 134.63636363636363) internal successors, (1481), 11 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:47:57,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:47:57,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 184 [2021-08-13 09:47:57,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:48:01,487 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([823] L769-1-->L777: Formula: (= |v_qrcu_updaterThread1of1ForFork0_#t~mem22_1| (select (select |v_#memory_int_1| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|)) InVars {#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} OutVars{#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_#t~mem22=|v_qrcu_updaterThread1of1ForFork0_#t~mem22_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} AuxVars[] AssignedVars[qrcu_updaterThread1of1ForFork0_#t~mem22][699], [194#true, 259#(= ~idx~0 1), 229#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 261#true, 70#L777true, 169#true, 171#true, 173#true, 271#true, 176#(< 1 qrcu_updaterThread1of1ForFork0_~sum~0), 241#(= ~readerprogress1~0 2), 178#true, 51#L758-3true, 19#L739true, 245#(= ~readerprogress2~0 2), 312#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 121#L787-1true, 185#(= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset|) 0), 221#(and (= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset|) 0) (= |qrcu_updaterThread1of1ForFork0_#t~mem22| 0)), 253#true]) [2021-08-13 09:48:01,487 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is not cut-off event [2021-08-13 09:48:01,487 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is not cut-off event [2021-08-13 09:48:01,487 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is not cut-off event [2021-08-13 09:48:01,487 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is not cut-off event [2021-08-13 09:48:02,084 INFO L129 PetriNetUnfolder]: 14390/31556 cut-off events. [2021-08-13 09:48:02,085 INFO L130 PetriNetUnfolder]: For 65074/74328 co-relation queries the response was YES. [2021-08-13 09:48:02,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124288 conditions, 31556 events. 14390/31556 cut-off events. For 65074/74328 co-relation queries the response was YES. Maximal size of possible extension queue 1373. Compared 350620 event pairs, 1050 based on Foata normal form. 939/30439 useless extension candidates. Maximal degree in co-relation 111988. Up to 8768 conditions per place. [2021-08-13 09:48:02,332 INFO L132 encePairwiseOnDemand]: 162/184 looper letters, 338 selfloop transitions, 162 changer transitions 39/837 dead transitions. [2021-08-13 09:48:02,332 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 837 transitions, 8456 flow [2021-08-13 09:48:02,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-13 09:48:02,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-13 09:48:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2737 transitions. [2021-08-13 09:48:02,338 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7828947368421053 [2021-08-13 09:48:02,339 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2737 transitions. [2021-08-13 09:48:02,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2737 transitions. [2021-08-13 09:48:02,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:48:02,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2737 transitions. [2021-08-13 09:48:02,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 144.05263157894737) internal successors, (2737), 19 states have internal predecessors, (2737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:02,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 184.0) internal successors, (3680), 20 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:02,351 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 184.0) internal successors, (3680), 20 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:02,351 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 74 predicate places. [2021-08-13 09:48:02,351 INFO L482 AbstractCegarLoop]: Abstraction has has 230 places, 837 transitions, 8456 flow [2021-08-13 09:48:02,352 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 134.63636363636363) internal successors, (1481), 11 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:02,352 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:48:02,352 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:48:02,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-13 09:48:02,352 INFO L430 AbstractCegarLoop]: === Iteration 14 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:48:02,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:48:02,353 INFO L82 PathProgramCache]: Analyzing trace with hash 179524703, now seen corresponding path program 2 times [2021-08-13 09:48:02,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:48:02,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990517065] [2021-08-13 09:48:02,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:48:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:48:02,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:02,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:02,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:02,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:02,396 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-13 09:48:02,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:02,402 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:02,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:02,412 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:02,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:02,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:02,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:02,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:02,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:02,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:02,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:02,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:02,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:02,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:02,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:48:02,468 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 09:48:02,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:02,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:02,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:02,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:48:02,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:48:02,470 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990517065] [2021-08-13 09:48:02,470 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990517065] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:48:02,470 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:48:02,470 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-13 09:48:02,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519610675] [2021-08-13 09:48:02,470 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-13 09:48:02,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:48:02,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-13 09:48:02,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-08-13 09:48:02,472 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 184 [2021-08-13 09:48:02,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 837 transitions, 8456 flow. Second operand has 10 states, 10 states have (on average 134.8) internal successors, (1348), 10 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:02,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:48:02,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 184 [2021-08-13 09:48:02,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:48:06,722 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([823] L769-1-->L777: Formula: (= |v_qrcu_updaterThread1of1ForFork0_#t~mem22_1| (select (select |v_#memory_int_1| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|)) InVars {#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} OutVars{#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_#t~mem22=|v_qrcu_updaterThread1of1ForFork0_#t~mem22_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} AuxVars[] AssignedVars[qrcu_updaterThread1of1ForFork0_#t~mem22][746], [194#true, 259#(= ~idx~0 1), 229#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 261#true, 70#L777true, 169#true, 171#true, 173#true, 271#true, 176#(< 1 qrcu_updaterThread1of1ForFork0_~sum~0), 241#(= ~readerprogress1~0 2), 178#true, 338#true, 19#L739true, 51#L758-3true, 245#(= ~readerprogress2~0 2), 312#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 121#L787-1true, 185#(= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset|) 0), 253#true, 221#(and (= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset|) 0) (= |qrcu_updaterThread1of1ForFork0_#t~mem22| 0))]) [2021-08-13 09:48:06,722 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is not cut-off event [2021-08-13 09:48:06,722 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is not cut-off event [2021-08-13 09:48:06,722 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is not cut-off event [2021-08-13 09:48:06,722 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is not cut-off event [2021-08-13 09:48:07,276 INFO L129 PetriNetUnfolder]: 13603/30072 cut-off events. [2021-08-13 09:48:07,276 INFO L130 PetriNetUnfolder]: For 77163/87386 co-relation queries the response was YES. [2021-08-13 09:48:07,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130586 conditions, 30072 events. 13603/30072 cut-off events. For 77163/87386 co-relation queries the response was YES. Maximal size of possible extension queue 1298. Compared 332410 event pairs, 930 based on Foata normal form. 1152/29286 useless extension candidates. Maximal degree in co-relation 126790. Up to 8392 conditions per place. [2021-08-13 09:48:07,520 INFO L132 encePairwiseOnDemand]: 167/184 looper letters, 391 selfloop transitions, 163 changer transitions 50/892 dead transitions. [2021-08-13 09:48:07,520 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 892 transitions, 10243 flow [2021-08-13 09:48:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-13 09:48:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-08-13 09:48:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2062 transitions. [2021-08-13 09:48:07,537 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8004658385093167 [2021-08-13 09:48:07,537 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2062 transitions. [2021-08-13 09:48:07,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2062 transitions. [2021-08-13 09:48:07,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:48:07,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2062 transitions. [2021-08-13 09:48:07,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 147.28571428571428) internal successors, (2062), 14 states have internal predecessors, (2062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:07,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 184.0) internal successors, (2760), 15 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:07,545 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 184.0) internal successors, (2760), 15 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:07,545 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 87 predicate places. [2021-08-13 09:48:07,545 INFO L482 AbstractCegarLoop]: Abstraction has has 243 places, 892 transitions, 10243 flow [2021-08-13 09:48:07,546 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 134.8) internal successors, (1348), 10 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:07,546 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:48:07,546 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:48:07,546 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-13 09:48:07,546 INFO L430 AbstractCegarLoop]: === Iteration 15 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:48:07,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:48:07,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1208863521, now seen corresponding path program 2 times [2021-08-13 09:48:07,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:48:07,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806057646] [2021-08-13 09:48:07,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:48:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:48:07,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:07,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:07,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:07,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:07,586 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-13 09:48:07,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:07,591 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:07,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:07,600 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:07,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:07,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:07,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:07,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:07,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:07,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:07,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:07,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:07,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:07,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:07,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:07,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:07,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:07,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:48:07,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:48:07,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806057646] [2021-08-13 09:48:07,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806057646] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:48:07,654 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:48:07,654 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-13 09:48:07,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153911112] [2021-08-13 09:48:07,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 09:48:07,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:48:07,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 09:48:07,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-08-13 09:48:07,657 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 184 [2021-08-13 09:48:07,658 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 892 transitions, 10243 flow. Second operand has 11 states, 11 states have (on average 134.63636363636363) internal successors, (1481), 11 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:07,658 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:48:07,658 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 184 [2021-08-13 09:48:07,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:48:12,031 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([823] L769-1-->L777: Formula: (= |v_qrcu_updaterThread1of1ForFork0_#t~mem22_1| (select (select |v_#memory_int_1| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|)) InVars {#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} OutVars{#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_#t~mem22=|v_qrcu_updaterThread1of1ForFork0_#t~mem22_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} AuxVars[] AssignedVars[qrcu_updaterThread1of1ForFork0_#t~mem22][754], [194#true, 259#(= ~idx~0 1), 261#true, 229#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 70#L777true, 169#true, 171#true, 173#true, 271#true, 176#(< 1 qrcu_updaterThread1of1ForFork0_~sum~0), 241#(= ~readerprogress1~0 2), 178#true, 338#true, 51#L758-3true, 19#L739true, 245#(= ~readerprogress2~0 2), 312#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 185#(= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset|) 0), 377#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 121#L787-1true, 221#(and (= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset|) 0) (= |qrcu_updaterThread1of1ForFork0_#t~mem22| 0)), 253#true]) [2021-08-13 09:48:12,032 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is not cut-off event [2021-08-13 09:48:12,032 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is not cut-off event [2021-08-13 09:48:12,032 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is not cut-off event [2021-08-13 09:48:12,032 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is not cut-off event [2021-08-13 09:48:12,599 INFO L129 PetriNetUnfolder]: 13582/30401 cut-off events. [2021-08-13 09:48:12,599 INFO L130 PetriNetUnfolder]: For 96674/109814 co-relation queries the response was YES. [2021-08-13 09:48:12,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143684 conditions, 30401 events. 13582/30401 cut-off events. For 96674/109814 co-relation queries the response was YES. Maximal size of possible extension queue 1331. Compared 339582 event pairs, 915 based on Foata normal form. 1209/29670 useless extension candidates. Maximal degree in co-relation 139650. Up to 8477 conditions per place. [2021-08-13 09:48:12,849 INFO L132 encePairwiseOnDemand]: 162/184 looper letters, 384 selfloop transitions, 181 changer transitions 51/904 dead transitions. [2021-08-13 09:48:12,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 904 transitions, 11549 flow [2021-08-13 09:48:12,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-13 09:48:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-13 09:48:12,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2749 transitions. [2021-08-13 09:48:12,854 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7863272311212814 [2021-08-13 09:48:12,854 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2749 transitions. [2021-08-13 09:48:12,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2749 transitions. [2021-08-13 09:48:12,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:48:12,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2749 transitions. [2021-08-13 09:48:12,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 144.68421052631578) internal successors, (2749), 19 states have internal predecessors, (2749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:12,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 184.0) internal successors, (3680), 20 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:12,864 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 184.0) internal successors, (3680), 20 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:12,864 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 105 predicate places. [2021-08-13 09:48:12,864 INFO L482 AbstractCegarLoop]: Abstraction has has 261 places, 904 transitions, 11549 flow [2021-08-13 09:48:12,864 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 134.63636363636363) internal successors, (1481), 11 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:12,864 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:48:12,865 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:48:12,865 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-13 09:48:12,865 INFO L430 AbstractCegarLoop]: === Iteration 16 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:48:12,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:48:12,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1631492391, now seen corresponding path program 3 times [2021-08-13 09:48:12,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:48:12,865 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584853153] [2021-08-13 09:48:12,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:48:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:48:12,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:12,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:12,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:12,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:12,910 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-13 09:48:12,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:12,917 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:12,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:12,926 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:12,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:12,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:12,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:12,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:12,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:12,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:12,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:12,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:12,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:12,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:12,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:12,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:12,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:48:12,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:48:12,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584853153] [2021-08-13 09:48:12,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584853153] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:48:12,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:48:12,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-13 09:48:12,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023688028] [2021-08-13 09:48:12,982 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 09:48:12,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:48:12,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 09:48:12,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-08-13 09:48:12,984 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 184 [2021-08-13 09:48:12,985 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 904 transitions, 11549 flow. Second operand has 11 states, 11 states have (on average 134.63636363636363) internal successors, (1481), 11 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:12,985 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:48:12,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 184 [2021-08-13 09:48:12,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:48:17,435 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([823] L769-1-->L777: Formula: (= |v_qrcu_updaterThread1of1ForFork0_#t~mem22_1| (select (select |v_#memory_int_1| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|)) InVars {#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} OutVars{#memory_int=|v_#memory_int_1|, qrcu_updaterThread1of1ForFork0_#t~mem22=|v_qrcu_updaterThread1of1ForFork0_#t~mem22_1|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base_5|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset_5|} AuxVars[] AssignedVars[qrcu_updaterThread1of1ForFork0_#t~mem22][766], [194#true, 259#(= ~idx~0 1), 261#true, 229#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 70#L777true, 169#true, 171#true, 173#true, 271#true, 176#(< 1 qrcu_updaterThread1of1ForFork0_~sum~0), 241#(= ~readerprogress1~0 2), 178#true, 338#true, 19#L739true, 51#L758-3true, 245#(= ~readerprogress2~0 2), 312#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 185#(= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset|) 0), 377#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 121#L787-1true, 221#(and (= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset|) 0) (= |qrcu_updaterThread1of1ForFork0_#t~mem22| 0)), 253#true, 415#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0)]) [2021-08-13 09:48:17,435 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is not cut-off event [2021-08-13 09:48:17,435 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is not cut-off event [2021-08-13 09:48:17,435 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is not cut-off event [2021-08-13 09:48:17,435 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is not cut-off event [2021-08-13 09:48:18,013 INFO L129 PetriNetUnfolder]: 13118/29823 cut-off events. [2021-08-13 09:48:18,013 INFO L130 PetriNetUnfolder]: For 117405/131935 co-relation queries the response was YES. [2021-08-13 09:48:18,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 153422 conditions, 29823 events. 13118/29823 cut-off events. For 117405/131935 co-relation queries the response was YES. Maximal size of possible extension queue 1339. Compared 335314 event pairs, 801 based on Foata normal form. 1404/29415 useless extension candidates. Maximal degree in co-relation 138523. Up to 8408 conditions per place. [2021-08-13 09:48:18,289 INFO L132 encePairwiseOnDemand]: 162/184 looper letters, 386 selfloop transitions, 196 changer transitions 43/920 dead transitions. [2021-08-13 09:48:18,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 920 transitions, 12975 flow [2021-08-13 09:48:18,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 09:48:18,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 09:48:18,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3023 transitions. [2021-08-13 09:48:18,295 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7823498964803313 [2021-08-13 09:48:18,295 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3023 transitions. [2021-08-13 09:48:18,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3023 transitions. [2021-08-13 09:48:18,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:48:18,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3023 transitions. [2021-08-13 09:48:18,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 143.95238095238096) internal successors, (3023), 21 states have internal predecessors, (3023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:18,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 184.0) internal successors, (4048), 22 states have internal predecessors, (4048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:18,304 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 184.0) internal successors, (4048), 22 states have internal predecessors, (4048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:18,305 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 125 predicate places. [2021-08-13 09:48:18,305 INFO L482 AbstractCegarLoop]: Abstraction has has 281 places, 920 transitions, 12975 flow [2021-08-13 09:48:18,305 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 134.63636363636363) internal successors, (1481), 11 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:18,305 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:48:18,305 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:48:18,305 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-13 09:48:18,306 INFO L430 AbstractCegarLoop]: === Iteration 17 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:48:18,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:48:18,306 INFO L82 PathProgramCache]: Analyzing trace with hash -427811292, now seen corresponding path program 1 times [2021-08-13 09:48:18,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:48:18,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407210923] [2021-08-13 09:48:18,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:48:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:48:18,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:18,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:18,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:18,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:18,344 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-13 09:48:18,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:18,349 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:18,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:18,357 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:18,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:18,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:18,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:18,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:18,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:18,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:18,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:18,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:18,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:18,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:18,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:48:18,414 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 09:48:18,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:18,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:18,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:48:18,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:48:18,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407210923] [2021-08-13 09:48:18,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407210923] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:48:18,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:48:18,416 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-13 09:48:18,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009707946] [2021-08-13 09:48:18,416 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-13 09:48:18,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:48:18,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-13 09:48:18,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-08-13 09:48:18,419 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 184 [2021-08-13 09:48:18,420 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 920 transitions, 12975 flow. Second operand has 10 states, 10 states have (on average 134.8) internal successors, (1348), 10 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:18,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:48:18,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 184 [2021-08-13 09:48:18,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:48:20,185 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][439], [96#L763-1true, 257#true, 194#true, 261#true, 169#true, 171#true, 172#true, 205#true, 462#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 174#true, 304#(= ~idx~0 0), 241#(= ~readerprogress1~0 2), 273#(= ~idx~0 0), 369#(= ~idx~0 0), 178#true, 340#(= ~idx~0 0), 53#L788-1true, 245#(= ~readerprogress2~0 2), 182#true, 407#(= ~idx~0 0), 58#L758true, 255#(= ~idx~0 0), 223#true]) [2021-08-13 09:48:20,186 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:48:20,186 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:20,186 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:20,186 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:24,031 INFO L129 PetriNetUnfolder]: 14237/32957 cut-off events. [2021-08-13 09:48:24,032 INFO L130 PetriNetUnfolder]: For 154135/169764 co-relation queries the response was YES. [2021-08-13 09:48:24,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178221 conditions, 32957 events. 14237/32957 cut-off events. For 154135/169764 co-relation queries the response was YES. Maximal size of possible extension queue 1443. Compared 378352 event pairs, 713 based on Foata normal form. 1197/32130 useless extension candidates. Maximal degree in co-relation 173474. Up to 8853 conditions per place. [2021-08-13 09:48:24,330 INFO L132 encePairwiseOnDemand]: 167/184 looper letters, 556 selfloop transitions, 162 changer transitions 59/1072 dead transitions. [2021-08-13 09:48:24,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 1072 transitions, 17123 flow [2021-08-13 09:48:24,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-13 09:48:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-08-13 09:48:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2062 transitions. [2021-08-13 09:48:24,333 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8004658385093167 [2021-08-13 09:48:24,333 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2062 transitions. [2021-08-13 09:48:24,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2062 transitions. [2021-08-13 09:48:24,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:48:24,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2062 transitions. [2021-08-13 09:48:24,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 147.28571428571428) internal successors, (2062), 14 states have internal predecessors, (2062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:24,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 184.0) internal successors, (2760), 15 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:24,339 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 184.0) internal successors, (2760), 15 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:24,339 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 138 predicate places. [2021-08-13 09:48:24,340 INFO L482 AbstractCegarLoop]: Abstraction has has 294 places, 1072 transitions, 17123 flow [2021-08-13 09:48:24,340 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 134.8) internal successors, (1348), 10 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:24,340 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:48:24,340 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:48:24,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-13 09:48:24,340 INFO L430 AbstractCegarLoop]: === Iteration 18 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:48:24,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:48:24,341 INFO L82 PathProgramCache]: Analyzing trace with hash 476825672, now seen corresponding path program 1 times [2021-08-13 09:48:24,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:48:24,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159558186] [2021-08-13 09:48:24,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:48:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:48:24,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:24,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:24,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:24,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:24,379 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-13 09:48:24,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:24,384 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:24,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:24,392 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:24,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:24,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:24,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:24,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:24,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:24,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:24,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:24,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:24,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:24,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:24,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:24,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:24,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:24,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:48:24,448 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:48:24,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159558186] [2021-08-13 09:48:24,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159558186] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:48:24,449 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:48:24,449 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-13 09:48:24,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149926483] [2021-08-13 09:48:24,449 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 09:48:24,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:48:24,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 09:48:24,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-08-13 09:48:24,452 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 184 [2021-08-13 09:48:24,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 1072 transitions, 17123 flow. Second operand has 11 states, 11 states have (on average 134.63636363636363) internal successors, (1481), 11 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:24,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:48:24,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 184 [2021-08-13 09:48:24,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:48:26,408 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][442], [96#L763-1true, 257#true, 194#true, 261#true, 169#true, 171#true, 492#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 172#true, 205#true, 462#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 174#true, 304#(= ~idx~0 0), 241#(= ~readerprogress1~0 2), 273#(= ~idx~0 0), 369#(= ~idx~0 0), 178#true, 340#(= ~idx~0 0), 53#L788-1true, 245#(= ~readerprogress2~0 2), 182#true, 407#(= ~idx~0 0), 58#L758true, 223#true, 255#(= ~idx~0 0)]) [2021-08-13 09:48:26,408 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:48:26,408 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:26,408 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:26,408 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:30,577 INFO L129 PetriNetUnfolder]: 14152/32766 cut-off events. [2021-08-13 09:48:30,577 INFO L130 PetriNetUnfolder]: For 180026/198851 co-relation queries the response was YES. [2021-08-13 09:48:30,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191079 conditions, 32766 events. 14152/32766 cut-off events. For 180026/198851 co-relation queries the response was YES. Maximal size of possible extension queue 1450. Compared 376078 event pairs, 715 based on Foata normal form. 1328/32142 useless extension candidates. Maximal degree in co-relation 186073. Up to 8847 conditions per place. [2021-08-13 09:48:30,920 INFO L132 encePairwiseOnDemand]: 162/184 looper letters, 507 selfloop transitions, 224 changer transitions 59/1085 dead transitions. [2021-08-13 09:48:30,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 1085 transitions, 18813 flow [2021-08-13 09:48:30,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-13 09:48:30,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-13 09:48:30,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2746 transitions. [2021-08-13 09:48:30,924 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7854691075514875 [2021-08-13 09:48:30,924 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2746 transitions. [2021-08-13 09:48:30,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2746 transitions. [2021-08-13 09:48:30,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:48:30,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2746 transitions. [2021-08-13 09:48:30,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 144.52631578947367) internal successors, (2746), 19 states have internal predecessors, (2746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:30,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 184.0) internal successors, (3680), 20 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:30,931 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 184.0) internal successors, (3680), 20 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:30,931 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 156 predicate places. [2021-08-13 09:48:30,931 INFO L482 AbstractCegarLoop]: Abstraction has has 312 places, 1085 transitions, 18813 flow [2021-08-13 09:48:30,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 134.63636363636363) internal successors, (1481), 11 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:30,932 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:48:30,932 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:48:30,932 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-13 09:48:30,932 INFO L430 AbstractCegarLoop]: === Iteration 19 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:48:30,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:48:30,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1176296428, now seen corresponding path program 2 times [2021-08-13 09:48:30,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:48:30,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590919612] [2021-08-13 09:48:30,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:48:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:48:30,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:30,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:30,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:30,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:30,970 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-13 09:48:30,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:30,976 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:30,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:30,983 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:30,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:30,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:30,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:31,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:31,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:31,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:31,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:31,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:31,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:31,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:31,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:48:31,035 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 09:48:31,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:31,036 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 09:48:31,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:31,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:31,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:48:31,038 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:48:31,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590919612] [2021-08-13 09:48:31,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590919612] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:48:31,038 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:48:31,038 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-13 09:48:31,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300941499] [2021-08-13 09:48:31,039 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-13 09:48:31,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:48:31,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-13 09:48:31,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-08-13 09:48:31,040 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 184 [2021-08-13 09:48:31,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 1085 transitions, 18813 flow. Second operand has 10 states, 10 states have (on average 134.8) internal successors, (1348), 10 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:31,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:48:31,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 184 [2021-08-13 09:48:31,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:48:33,219 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][444], [257#true, 194#true, 261#true, 205#true, 462#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 527#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 273#(= ~idx~0 0), 340#(= ~idx~0 0), 407#(= ~idx~0 0), 223#true, 96#L763-1true, 169#true, 171#true, 492#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 172#true, 174#true, 304#(= ~idx~0 0), 369#(= ~idx~0 0), 241#(= ~readerprogress1~0 2), 178#true, 53#L788-1true, 245#(= ~readerprogress2~0 2), 182#true, 58#L758true, 255#(= ~idx~0 0)]) [2021-08-13 09:48:33,219 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:48:33,219 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:33,219 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:33,219 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:37,418 INFO L129 PetriNetUnfolder]: 14357/33117 cut-off events. [2021-08-13 09:48:37,418 INFO L130 PetriNetUnfolder]: For 217098/237953 co-relation queries the response was YES. [2021-08-13 09:48:37,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207925 conditions, 33117 events. 14357/33117 cut-off events. For 217098/237953 co-relation queries the response was YES. Maximal size of possible extension queue 1470. Compared 379721 event pairs, 721 based on Foata normal form. 1216/32375 useless extension candidates. Maximal degree in co-relation 190205. Up to 9057 conditions per place. [2021-08-13 09:48:37,951 INFO L132 encePairwiseOnDemand]: 168/184 looper letters, 609 selfloop transitions, 169 changer transitions 49/1131 dead transitions. [2021-08-13 09:48:37,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 1131 transitions, 21408 flow [2021-08-13 09:48:37,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-13 09:48:37,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-08-13 09:48:37,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2198 transitions. [2021-08-13 09:48:37,953 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7963768115942029 [2021-08-13 09:48:37,953 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2198 transitions. [2021-08-13 09:48:37,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2198 transitions. [2021-08-13 09:48:37,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:48:37,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2198 transitions. [2021-08-13 09:48:37,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 146.53333333333333) internal successors, (2198), 15 states have internal predecessors, (2198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:37,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 184.0) internal successors, (2944), 16 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:37,959 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 184.0) internal successors, (2944), 16 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:37,959 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 170 predicate places. [2021-08-13 09:48:37,959 INFO L482 AbstractCegarLoop]: Abstraction has has 326 places, 1131 transitions, 21408 flow [2021-08-13 09:48:37,959 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 134.8) internal successors, (1348), 10 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:37,959 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:48:37,960 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:48:37,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-13 09:48:37,960 INFO L430 AbstractCegarLoop]: === Iteration 20 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:48:37,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:48:37,960 INFO L82 PathProgramCache]: Analyzing trace with hash -353921174, now seen corresponding path program 2 times [2021-08-13 09:48:37,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:48:37,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239851250] [2021-08-13 09:48:37,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:48:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:48:37,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:37,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:37,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:37,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:37,999 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-13 09:48:38,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:38,006 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:38,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:38,013 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 09:48:38,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:38,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:38,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:38,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:38,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 09:48:38,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:38,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:38,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:38,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:38,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:38,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:38,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:38,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:48:38,068 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:48:38,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239851250] [2021-08-13 09:48:38,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239851250] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:48:38,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:48:38,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-13 09:48:38,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882528438] [2021-08-13 09:48:38,069 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 09:48:38,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:48:38,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 09:48:38,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-08-13 09:48:38,071 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 184 [2021-08-13 09:48:38,071 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 1131 transitions, 21408 flow. Second operand has 11 states, 11 states have (on average 134.63636363636363) internal successors, (1481), 11 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:38,072 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:48:38,072 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 184 [2021-08-13 09:48:38,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:48:40,127 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][444], [257#true, 194#true, 261#true, 205#true, 462#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 527#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 273#(= ~idx~0 0), 340#(= ~idx~0 0), 407#(= ~idx~0 0), 223#true, 96#L763-1true, 169#true, 171#true, 492#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 172#true, 174#true, 559#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 304#(= ~idx~0 0), 241#(= ~readerprogress1~0 2), 369#(= ~idx~0 0), 178#true, 53#L788-1true, 245#(= ~readerprogress2~0 2), 182#true, 58#L758true, 255#(= ~idx~0 0)]) [2021-08-13 09:48:40,128 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:48:40,128 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:40,128 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:40,128 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:45,003 INFO L129 PetriNetUnfolder]: 14194/32906 cut-off events. [2021-08-13 09:48:45,003 INFO L130 PetriNetUnfolder]: For 252169/275521 co-relation queries the response was YES. [2021-08-13 09:48:45,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221438 conditions, 32906 events. 14194/32906 cut-off events. For 252169/275521 co-relation queries the response was YES. Maximal size of possible extension queue 1525. Compared 378553 event pairs, 722 based on Foata normal form. 1444/32515 useless extension candidates. Maximal degree in co-relation 203849. Up to 9121 conditions per place. [2021-08-13 09:48:45,648 INFO L132 encePairwiseOnDemand]: 162/184 looper letters, 559 selfloop transitions, 252 changer transitions 10/1159 dead transitions. [2021-08-13 09:48:45,648 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 1159 transitions, 23706 flow [2021-08-13 09:48:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 09:48:45,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 09:48:45,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3020 transitions. [2021-08-13 09:48:45,651 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7815734989648033 [2021-08-13 09:48:45,651 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3020 transitions. [2021-08-13 09:48:45,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3020 transitions. [2021-08-13 09:48:45,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:48:45,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3020 transitions. [2021-08-13 09:48:45,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 143.8095238095238) internal successors, (3020), 21 states have internal predecessors, (3020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:45,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 184.0) internal successors, (4048), 22 states have internal predecessors, (4048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:45,689 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 184.0) internal successors, (4048), 22 states have internal predecessors, (4048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:45,690 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 190 predicate places. [2021-08-13 09:48:45,690 INFO L482 AbstractCegarLoop]: Abstraction has has 346 places, 1159 transitions, 23706 flow [2021-08-13 09:48:45,690 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 134.63636363636363) internal successors, (1481), 11 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:45,690 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:48:45,691 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:48:45,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-13 09:48:45,691 INFO L430 AbstractCegarLoop]: === Iteration 21 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:48:45,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:48:45,691 INFO L82 PathProgramCache]: Analyzing trace with hash 35639310, now seen corresponding path program 1 times [2021-08-13 09:48:45,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:48:45,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701281457] [2021-08-13 09:48:45,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:48:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:48:45,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:45,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:45,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:45,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:45,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:45,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:45,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:45,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:45,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:45,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:45,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:45,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:45,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:45,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:45,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:45,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:45,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:48:45,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:48:45,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701281457] [2021-08-13 09:48:45,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701281457] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:48:45,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:48:45,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-13 09:48:45,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811165932] [2021-08-13 09:48:45,809 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 09:48:45,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:48:45,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 09:48:45,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-13 09:48:45,810 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 184 [2021-08-13 09:48:45,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 1159 transitions, 23706 flow. Second operand has 8 states, 8 states have (on average 151.125) internal successors, (1209), 8 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:45,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:48:45,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 184 [2021-08-13 09:48:45,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:48:47,876 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][453], [257#true, 194#true, 261#true, 589#(= ~idx~0 0), 205#true, 462#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 527#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 273#(= ~idx~0 0), 340#(= ~idx~0 0), 407#(= ~idx~0 0), 223#true, 96#L763-1true, 169#true, 171#true, 492#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 172#true, 174#true, 559#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 304#(= ~idx~0 0), 369#(= ~idx~0 0), 241#(= ~readerprogress1~0 2), 178#true, 53#L788-1true, 245#(= ~readerprogress2~0 2), 182#true, 58#L758true, 255#(= ~idx~0 0)]) [2021-08-13 09:48:47,876 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:48:47,876 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:47,876 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:47,876 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:52,874 INFO L129 PetriNetUnfolder]: 14634/34746 cut-off events. [2021-08-13 09:48:52,874 INFO L130 PetriNetUnfolder]: For 314582/338563 co-relation queries the response was YES. [2021-08-13 09:48:53,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 241977 conditions, 34746 events. 14634/34746 cut-off events. For 314582/338563 co-relation queries the response was YES. Maximal size of possible extension queue 1589. Compared 408252 event pairs, 809 based on Foata normal form. 807/33641 useless extension candidates. Maximal degree in co-relation 236288. Up to 9480 conditions per place. [2021-08-13 09:48:53,269 INFO L132 encePairwiseOnDemand]: 171/184 looper letters, 383 selfloop transitions, 143 changer transitions 26/1220 dead transitions. [2021-08-13 09:48:53,269 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 1220 transitions, 26104 flow [2021-08-13 09:48:53,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-13 09:48:53,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-13 09:48:53,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1746 transitions. [2021-08-13 09:48:53,270 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8626482213438735 [2021-08-13 09:48:53,271 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1746 transitions. [2021-08-13 09:48:53,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1746 transitions. [2021-08-13 09:48:53,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:48:53,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1746 transitions. [2021-08-13 09:48:53,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 158.72727272727272) internal successors, (1746), 11 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:53,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 184.0) internal successors, (2208), 12 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:53,275 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 184.0) internal successors, (2208), 12 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:53,275 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 200 predicate places. [2021-08-13 09:48:53,275 INFO L482 AbstractCegarLoop]: Abstraction has has 356 places, 1220 transitions, 26104 flow [2021-08-13 09:48:53,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 151.125) internal successors, (1209), 8 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:53,275 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:48:53,275 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:48:53,275 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-13 09:48:53,276 INFO L430 AbstractCegarLoop]: === Iteration 22 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:48:53,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:48:53,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1251437910, now seen corresponding path program 2 times [2021-08-13 09:48:53,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:48:53,276 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393275005] [2021-08-13 09:48:53,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:48:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:48:53,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:53,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:53,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:53,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:53,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:53,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:53,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:53,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:53,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:53,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:53,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:53,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:48:53,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:53,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:48:53,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:48:53,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:48:53,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:48:53,346 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:48:53,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393275005] [2021-08-13 09:48:53,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393275005] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:48:53,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:48:53,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-13 09:48:53,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314361188] [2021-08-13 09:48:53,347 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 09:48:53,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:48:53,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 09:48:53,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-13 09:48:53,348 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 184 [2021-08-13 09:48:53,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 1220 transitions, 26104 flow. Second operand has 8 states, 8 states have (on average 151.125) internal successors, (1209), 8 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:48:53,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:48:53,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 184 [2021-08-13 09:48:53,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:48:55,477 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][455], [257#true, 194#true, 261#true, 589#(= ~idx~0 0), 205#true, 462#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 527#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 273#(= ~idx~0 0), 340#(= ~idx~0 0), 407#(= ~idx~0 0), 223#true, 96#L763-1true, 610#(= ~idx~0 0), 169#true, 171#true, 492#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 172#true, 174#true, 559#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 304#(= ~idx~0 0), 241#(= ~readerprogress1~0 2), 369#(= ~idx~0 0), 178#true, 53#L788-1true, 245#(= ~readerprogress2~0 2), 182#true, 58#L758true, 255#(= ~idx~0 0)]) [2021-08-13 09:48:55,477 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:48:55,477 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:55,477 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:48:55,477 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:49:01,164 INFO L129 PetriNetUnfolder]: 15422/36537 cut-off events. [2021-08-13 09:49:01,164 INFO L130 PetriNetUnfolder]: For 424581/455280 co-relation queries the response was YES. [2021-08-13 09:49:01,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275307 conditions, 36537 events. 15422/36537 cut-off events. For 424581/455280 co-relation queries the response was YES. Maximal size of possible extension queue 1848. Compared 433808 event pairs, 771 based on Foata normal form. 976/35412 useless extension candidates. Maximal degree in co-relation 254961. Up to 10627 conditions per place. [2021-08-13 09:49:01,676 INFO L132 encePairwiseOnDemand]: 171/184 looper letters, 470 selfloop transitions, 192 changer transitions 11/1356 dead transitions. [2021-08-13 09:49:01,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 1356 transitions, 30950 flow [2021-08-13 09:49:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-13 09:49:01,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-13 09:49:01,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1905 transitions. [2021-08-13 09:49:01,678 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8627717391304348 [2021-08-13 09:49:01,678 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1905 transitions. [2021-08-13 09:49:01,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1905 transitions. [2021-08-13 09:49:01,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:49:01,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1905 transitions. [2021-08-13 09:49:01,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 158.75) internal successors, (1905), 12 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:01,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 184.0) internal successors, (2392), 13 states have internal predecessors, (2392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:01,683 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 184.0) internal successors, (2392), 13 states have internal predecessors, (2392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:01,683 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 211 predicate places. [2021-08-13 09:49:01,683 INFO L482 AbstractCegarLoop]: Abstraction has has 367 places, 1356 transitions, 30950 flow [2021-08-13 09:49:01,683 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 151.125) internal successors, (1209), 8 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:01,683 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:49:01,684 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:49:01,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-13 09:49:01,684 INFO L430 AbstractCegarLoop]: === Iteration 23 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:49:01,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:49:01,684 INFO L82 PathProgramCache]: Analyzing trace with hash 2071402322, now seen corresponding path program 3 times [2021-08-13 09:49:01,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:49:01,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792403198] [2021-08-13 09:49:01,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:49:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:49:01,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:01,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:01,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:01,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:01,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:01,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:01,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:01,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:49:01,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:49:01,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792403198] [2021-08-13 09:49:01,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792403198] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:49:01,715 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:49:01,715 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 09:49:01,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543099464] [2021-08-13 09:49:01,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 09:49:01,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:49:01,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 09:49:01,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 09:49:01,716 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 184 [2021-08-13 09:49:01,717 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 1356 transitions, 30950 flow. Second operand has 4 states, 4 states have (on average 166.5) internal successors, (666), 4 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:01,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:49:01,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 184 [2021-08-13 09:49:01,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:49:03,507 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][455], [257#true, 194#true, 261#true, 205#true, 589#(= ~idx~0 0), 462#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 527#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 273#(= ~idx~0 0), 340#(= ~idx~0 0), 407#(= ~idx~0 0), 223#true, 96#L763-1true, 610#(= ~idx~0 0), 169#true, 171#true, 172#true, 492#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 174#true, 559#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 304#(= ~idx~0 0), 241#(= ~readerprogress1~0 2), 369#(= ~idx~0 0), 178#true, 629#true, 53#L788-1true, 245#(= ~readerprogress2~0 2), 182#true, 58#L758true, 255#(= ~idx~0 0)]) [2021-08-13 09:49:03,508 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:49:03,508 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:49:03,508 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:49:03,518 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:49:09,923 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L789-->L789-1: Formula: (= |v_ULTIMATE.start_main_#t~mem32_2| (select (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t3~0.base_4|) |v_ULTIMATE.start_main_~#t3~0.offset_4|)) InVars {#memory_int=|v_#memory_int_20|, ULTIMATE.start_main_~#t3~0.base=|v_ULTIMATE.start_main_~#t3~0.base_4|, ULTIMATE.start_main_~#t3~0.offset=|v_ULTIMATE.start_main_~#t3~0.offset_4|} OutVars{#memory_int=|v_#memory_int_20|, ULTIMATE.start_main_#t~mem32=|v_ULTIMATE.start_main_#t~mem32_2|, ULTIMATE.start_main_~#t3~0.base=|v_ULTIMATE.start_main_~#t3~0.base_4|, ULTIMATE.start_main_~#t3~0.offset=|v_ULTIMATE.start_main_~#t3~0.offset_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem32][1297], [514#true, 194#true, 259#(= ~idx~0 1), 261#true, 587#true, 205#true, 271#true, 338#true, 21#L778true, 150#L789-1true, 415#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 608#true, 229#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 486#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 168#true, 555#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 171#true, 172#true, 176#(< 1 qrcu_updaterThread1of1ForFork0_~sum~0), 241#(= ~readerprogress1~0 2), 178#true, 245#(= ~readerprogress2~0 2), 312#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 377#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 185#(= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset|) 0), 634#(and (= qrcu_reader2Thread1of1ForFork2_~myidx~1 1) (= ~idx~0 1)), 253#true, 447#true]) [2021-08-13 09:49:09,924 INFO L384 tUnfolder$Statistics]: this new event has 107 ancestors and is cut-off event [2021-08-13 09:49:09,924 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-08-13 09:49:09,924 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-08-13 09:49:09,924 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-08-13 09:49:09,972 INFO L129 PetriNetUnfolder]: 16904/40733 cut-off events. [2021-08-13 09:49:09,972 INFO L130 PetriNetUnfolder]: For 536479/570394 co-relation queries the response was YES. [2021-08-13 09:49:10,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 302817 conditions, 40733 events. 16904/40733 cut-off events. For 536479/570394 co-relation queries the response was YES. Maximal size of possible extension queue 1941. Compared 493135 event pairs, 931 based on Foata normal form. 522/38795 useless extension candidates. Maximal degree in co-relation 296496. Up to 11247 conditions per place. [2021-08-13 09:49:10,557 INFO L132 encePairwiseOnDemand]: 181/184 looper letters, 297 selfloop transitions, 12 changer transitions 41/1373 dead transitions. [2021-08-13 09:49:10,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 1373 transitions, 32062 flow [2021-08-13 09:49:10,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 09:49:10,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 09:49:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 679 transitions. [2021-08-13 09:49:10,559 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9225543478260869 [2021-08-13 09:49:10,559 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 679 transitions. [2021-08-13 09:49:10,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 679 transitions. [2021-08-13 09:49:10,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:49:10,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 679 transitions. [2021-08-13 09:49:10,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:10,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 184.0) internal successors, (920), 5 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:10,561 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 184.0) internal successors, (920), 5 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:10,561 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 214 predicate places. [2021-08-13 09:49:10,561 INFO L482 AbstractCegarLoop]: Abstraction has has 370 places, 1373 transitions, 32062 flow [2021-08-13 09:49:10,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 166.5) internal successors, (666), 4 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:10,561 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:49:10,561 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:49:10,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-13 09:49:10,561 INFO L430 AbstractCegarLoop]: === Iteration 24 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:49:10,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:49:10,562 INFO L82 PathProgramCache]: Analyzing trace with hash -2022956564, now seen corresponding path program 4 times [2021-08-13 09:49:10,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:49:10,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395060135] [2021-08-13 09:49:10,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:49:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:49:10,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:10,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:10,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:10,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:10,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:10,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:49:10,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:10,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:49:10,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:10,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:49:10,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:10,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:49:10,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:10,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:10,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:10,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:49:10,627 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:49:10,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395060135] [2021-08-13 09:49:10,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395060135] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:49:10,627 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:49:10,627 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-13 09:49:10,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980362646] [2021-08-13 09:49:10,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 09:49:10,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:49:10,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 09:49:10,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-13 09:49:10,629 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 184 [2021-08-13 09:49:10,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 1373 transitions, 32062 flow. Second operand has 8 states, 8 states have (on average 151.125) internal successors, (1209), 8 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:10,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:49:10,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 184 [2021-08-13 09:49:10,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:49:12,794 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][456], [257#true, 194#true, 261#true, 205#true, 589#(= ~idx~0 0), 462#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 527#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 273#(= ~idx~0 0), 340#(= ~idx~0 0), 407#(= ~idx~0 0), 223#true, 96#L763-1true, 610#(= ~idx~0 0), 169#true, 171#true, 172#true, 492#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 174#true, 559#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 304#(= ~idx~0 0), 241#(= ~readerprogress1~0 2), 369#(= ~idx~0 0), 178#true, 53#L788-1true, 245#(= ~readerprogress2~0 2), 629#true, 182#true, 58#L758true, 255#(= ~idx~0 0), 639#(= ~idx~0 0)]) [2021-08-13 09:49:12,794 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:49:12,794 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:49:12,795 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:49:12,795 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:49:21,042 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L789-->L789-1: Formula: (= |v_ULTIMATE.start_main_#t~mem32_2| (select (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t3~0.base_4|) |v_ULTIMATE.start_main_~#t3~0.offset_4|)) InVars {#memory_int=|v_#memory_int_20|, ULTIMATE.start_main_~#t3~0.base=|v_ULTIMATE.start_main_~#t3~0.base_4|, ULTIMATE.start_main_~#t3~0.offset=|v_ULTIMATE.start_main_~#t3~0.offset_4|} OutVars{#memory_int=|v_#memory_int_20|, ULTIMATE.start_main_#t~mem32=|v_ULTIMATE.start_main_#t~mem32_2|, ULTIMATE.start_main_~#t3~0.base=|v_ULTIMATE.start_main_~#t3~0.base_4|, ULTIMATE.start_main_~#t3~0.offset=|v_ULTIMATE.start_main_~#t3~0.offset_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem32][1405], [194#true, 514#true, 259#(= ~idx~0 1), 261#true, 587#true, 205#true, 271#true, 338#true, 21#L778true, 150#L789-1true, 415#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 608#true, 229#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 486#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 168#true, 555#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 171#true, 172#true, 176#(< 1 qrcu_updaterThread1of1ForFork0_~sum~0), 241#(= ~readerprogress1~0 2), 178#true, 245#(= ~readerprogress2~0 2), 312#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 377#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 185#(= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset|) 0), 634#(and (= qrcu_reader2Thread1of1ForFork2_~myidx~1 1) (= ~idx~0 1)), 637#true, 253#true, 447#true]) [2021-08-13 09:49:21,043 INFO L384 tUnfolder$Statistics]: this new event has 107 ancestors and is cut-off event [2021-08-13 09:49:21,043 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-08-13 09:49:21,043 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-08-13 09:49:21,043 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-08-13 09:49:21,095 INFO L129 PetriNetUnfolder]: 18664/44841 cut-off events. [2021-08-13 09:49:21,095 INFO L130 PetriNetUnfolder]: For 708278/754911 co-relation queries the response was YES. [2021-08-13 09:49:21,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 351301 conditions, 44841 events. 18664/44841 cut-off events. For 708278/754911 co-relation queries the response was YES. Maximal size of possible extension queue 2155. Compared 548828 event pairs, 1044 based on Foata normal form. 1566/43603 useless extension candidates. Maximal degree in co-relation 344749. Up to 12501 conditions per place. [2021-08-13 09:49:21,640 INFO L132 encePairwiseOnDemand]: 171/184 looper letters, 589 selfloop transitions, 210 changer transitions 42/1497 dead transitions. [2021-08-13 09:49:21,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 1497 transitions, 37296 flow [2021-08-13 09:49:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-13 09:49:21,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-13 09:49:21,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1906 transitions. [2021-08-13 09:49:21,642 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8632246376811594 [2021-08-13 09:49:21,642 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1906 transitions. [2021-08-13 09:49:21,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1906 transitions. [2021-08-13 09:49:21,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:49:21,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1906 transitions. [2021-08-13 09:49:21,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 158.83333333333334) internal successors, (1906), 12 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:21,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 184.0) internal successors, (2392), 13 states have internal predecessors, (2392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:21,646 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 184.0) internal successors, (2392), 13 states have internal predecessors, (2392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:21,646 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 225 predicate places. [2021-08-13 09:49:21,646 INFO L482 AbstractCegarLoop]: Abstraction has has 381 places, 1497 transitions, 37296 flow [2021-08-13 09:49:21,647 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 151.125) internal successors, (1209), 8 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:21,647 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:49:21,647 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:49:21,647 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-13 09:49:21,647 INFO L430 AbstractCegarLoop]: === Iteration 25 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:49:21,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:49:21,647 INFO L82 PathProgramCache]: Analyzing trace with hash -801492258, now seen corresponding path program 5 times [2021-08-13 09:49:21,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:49:21,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681660113] [2021-08-13 09:49:21,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:49:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:49:21,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:21,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:21,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:21,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:21,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:21,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:49:21,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:21,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:49:21,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:21,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:49:21,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:21,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:49:21,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:21,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:21,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:21,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:21,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:49:21,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:49:21,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681660113] [2021-08-13 09:49:21,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681660113] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:49:21,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:49:21,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-13 09:49:21,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881089168] [2021-08-13 09:49:21,714 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 09:49:21,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:49:21,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 09:49:21,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-13 09:49:21,716 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 184 [2021-08-13 09:49:21,717 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 1497 transitions, 37296 flow. Second operand has 8 states, 8 states have (on average 151.125) internal successors, (1209), 8 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:21,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:49:21,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 184 [2021-08-13 09:49:21,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:49:24,246 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][457], [257#true, 194#true, 261#true, 205#true, 589#(= ~idx~0 0), 462#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 527#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 656#(= ~idx~0 0), 273#(= ~idx~0 0), 340#(= ~idx~0 0), 407#(= ~idx~0 0), 223#true, 96#L763-1true, 610#(= ~idx~0 0), 169#true, 171#true, 172#true, 492#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 174#true, 559#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 304#(= ~idx~0 0), 369#(= ~idx~0 0), 241#(= ~readerprogress1~0 2), 178#true, 53#L788-1true, 245#(= ~readerprogress2~0 2), 629#true, 182#true, 58#L758true, 639#(= ~idx~0 0), 255#(= ~idx~0 0)]) [2021-08-13 09:49:24,246 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:49:24,246 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:49:24,246 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:49:24,246 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:49:33,343 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L789-->L789-1: Formula: (= |v_ULTIMATE.start_main_#t~mem32_2| (select (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t3~0.base_4|) |v_ULTIMATE.start_main_~#t3~0.offset_4|)) InVars {#memory_int=|v_#memory_int_20|, ULTIMATE.start_main_~#t3~0.base=|v_ULTIMATE.start_main_~#t3~0.base_4|, ULTIMATE.start_main_~#t3~0.offset=|v_ULTIMATE.start_main_~#t3~0.offset_4|} OutVars{#memory_int=|v_#memory_int_20|, ULTIMATE.start_main_#t~mem32=|v_ULTIMATE.start_main_#t~mem32_2|, ULTIMATE.start_main_~#t3~0.base=|v_ULTIMATE.start_main_~#t3~0.base_4|, ULTIMATE.start_main_~#t3~0.offset=|v_ULTIMATE.start_main_~#t3~0.offset_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem32][1484], [194#true, 514#true, 259#(= ~idx~0 1), 261#true, 587#true, 205#true, 654#true, 271#true, 338#true, 21#L778true, 150#L789-1true, 415#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 608#true, 229#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 486#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 168#true, 555#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 171#true, 172#true, 176#(< 1 qrcu_updaterThread1of1ForFork0_~sum~0), 241#(= ~readerprogress1~0 2), 178#true, 245#(= ~readerprogress2~0 2), 312#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 377#(<= 2 qrcu_updaterThread1of1ForFork0_~sum~0), 185#(= (select (select |#memory_int| |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base|) |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset|) 0), 634#(and (= qrcu_reader2Thread1of1ForFork2_~myidx~1 1) (= ~idx~0 1)), 637#true, 253#true, 447#true]) [2021-08-13 09:49:33,343 INFO L384 tUnfolder$Statistics]: this new event has 107 ancestors and is cut-off event [2021-08-13 09:49:33,343 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-08-13 09:49:33,343 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-08-13 09:49:33,343 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-08-13 09:49:33,391 INFO L129 PetriNetUnfolder]: 19056/46397 cut-off events. [2021-08-13 09:49:33,392 INFO L130 PetriNetUnfolder]: For 834008/882320 co-relation queries the response was YES. [2021-08-13 09:49:34,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 381498 conditions, 46397 events. 19056/46397 cut-off events. For 834008/882320 co-relation queries the response was YES. Maximal size of possible extension queue 2197. Compared 573983 event pairs, 1054 based on Foata normal form. 2004/45574 useless extension candidates. Maximal degree in co-relation 374911. Up to 13056 conditions per place. [2021-08-13 09:49:34,384 INFO L132 encePairwiseOnDemand]: 171/184 looper letters, 656 selfloop transitions, 265 changer transitions 46/1623 dead transitions. [2021-08-13 09:49:34,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 1623 transitions, 43030 flow [2021-08-13 09:49:34,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-13 09:49:34,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-08-13 09:49:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2213 transitions. [2021-08-13 09:49:34,391 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.859083850931677 [2021-08-13 09:49:34,391 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2213 transitions. [2021-08-13 09:49:34,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2213 transitions. [2021-08-13 09:49:34,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:49:34,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2213 transitions. [2021-08-13 09:49:34,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 158.07142857142858) internal successors, (2213), 14 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:34,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 184.0) internal successors, (2760), 15 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:34,422 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 184.0) internal successors, (2760), 15 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:34,422 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 238 predicate places. [2021-08-13 09:49:34,422 INFO L482 AbstractCegarLoop]: Abstraction has has 394 places, 1623 transitions, 43030 flow [2021-08-13 09:49:34,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 151.125) internal successors, (1209), 8 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:34,423 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:49:34,423 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:49:34,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-13 09:49:34,423 INFO L430 AbstractCegarLoop]: === Iteration 26 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 09:49:34,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:49:34,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1961196105, now seen corresponding path program 1 times [2021-08-13 09:49:34,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:49:34,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856919229] [2021-08-13 09:49:34,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:49:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:49:34,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:34,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:34,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:34,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:34,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:34,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:49:34,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:34,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:49:34,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:34,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:34,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:34,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:34,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:34,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:34,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:34,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:34,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:49:34,525 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:49:34,525 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856919229] [2021-08-13 09:49:34,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856919229] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:49:34,525 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:49:34,525 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-13 09:49:34,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788569860] [2021-08-13 09:49:34,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 09:49:34,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:49:34,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 09:49:34,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-13 09:49:34,528 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 184 [2021-08-13 09:49:34,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 1623 transitions, 43030 flow. Second operand has 8 states, 8 states have (on average 151.125) internal successors, (1209), 8 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:34,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:49:34,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 184 [2021-08-13 09:49:34,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:49:38,048 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([623] L788-->L788-1: Formula: (= |v_ULTIMATE.start_main_#t~mem31_2| (select (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|, ULTIMATE.start_main_#t~mem31=|v_ULTIMATE.start_main_#t~mem31_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem31][460], [257#true, 194#true, 261#true, 589#(= ~idx~0 0), 205#true, 462#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 527#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 656#(= ~idx~0 0), 273#(= ~idx~0 0), 340#(= ~idx~0 0), 407#(= ~idx~0 0), 223#true, 96#L763-1true, 610#(= ~idx~0 0), 169#true, 171#true, 492#(and (= ~ctr2~0 0) (= ~idx~0 0) (<= 1 ~ctr1~0)), 172#true, 686#(and (= ~ctr2~0 0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 174#true, 559#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0) (= ~idx~0 0) (= qrcu_reader1Thread1of1ForFork1_~myidx~0 0)), 304#(= ~idx~0 0), 241#(= ~readerprogress1~0 2), 369#(= ~idx~0 0), 178#true, 629#true, 53#L788-1true, 245#(= ~readerprogress2~0 2), 182#true, 58#L758true, 639#(= ~idx~0 0), 255#(= ~idx~0 0)]) [2021-08-13 09:49:38,048 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-08-13 09:49:38,048 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:49:38,048 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-08-13 09:49:38,049 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event