/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 03:17:56,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 03:17:56,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 03:17:56,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 03:17:56,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 03:17:56,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 03:17:56,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 03:17:56,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 03:17:56,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 03:17:56,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 03:17:56,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 03:17:56,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 03:17:56,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 03:17:56,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 03:17:56,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 03:17:56,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 03:17:56,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 03:17:56,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 03:17:56,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 03:17:56,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 03:17:56,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 03:17:56,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 03:17:56,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 03:17:56,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 03:17:56,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 03:17:56,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 03:17:56,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 03:17:56,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 03:17:56,139 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-RepeatedVariableLbe.epf [2021-03-25 03:17:56,165 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 03:17:56,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 03:17:56,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 03:17:56,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 03:17:56,167 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 03:17:56,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 03:17:56,168 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 03:17:56,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 03:17:56,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 03:17:56,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 03:17:56,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 03:17:56,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 03:17:56,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 03:17:56,169 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 03:17:56,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 03:17:56,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 03:17:56,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 03:17:56,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 03:17:56,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 03:17:56,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 03:17:56,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 03:17:56,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 03:17:56,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 03:17:56,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 03:17:56,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 03:17:56,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 03:17:56,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 03:17:56,171 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 03:17:56,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 03:17:56,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 03:17:56,171 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 03:17:56,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 03:17:56,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 03:17:56,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 03:17:56,438 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 03:17:56,439 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 03:17:56,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2021-03-25 03:17:56,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/460cf89ad/42325de9e41b4c33ac3c3eeb32810578/FLAG39551c91d [2021-03-25 03:17:56,852 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 03:17:56,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2021-03-25 03:17:56,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/460cf89ad/42325de9e41b4c33ac3c3eeb32810578/FLAG39551c91d [2021-03-25 03:17:57,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/460cf89ad/42325de9e41b4c33ac3c3eeb32810578 [2021-03-25 03:17:57,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 03:17:57,219 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 03:17:57,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 03:17:57,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 03:17:57,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 03:17:57,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 03:17:57" (1/1) ... [2021-03-25 03:17:57,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2edbe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57, skipping insertion in model container [2021-03-25 03:17:57,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 03:17:57" (1/1) ... [2021-03-25 03:17:57,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 03:17:57,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 03:17:57,464 WARN L226 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-2.i[30690,30703] [2021-03-25 03:17:57,470 WARN L226 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-2.i[30912,30925] [2021-03-25 03:17:57,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 03:17:57,499 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 03:17:57,534 WARN L226 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-2.i[30690,30703] [2021-03-25 03:17:57,535 WARN L226 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-2.i[30912,30925] [2021-03-25 03:17:57,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 03:17:57,604 INFO L208 MainTranslator]: Completed translation [2021-03-25 03:17:57,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57 WrapperNode [2021-03-25 03:17:57,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 03:17:57,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 03:17:57,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 03:17:57,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 03:17:57,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57" (1/1) ... [2021-03-25 03:17:57,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57" (1/1) ... [2021-03-25 03:17:57,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 03:17:57,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 03:17:57,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 03:17:57,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 03:17:57,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57" (1/1) ... [2021-03-25 03:17:57,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57" (1/1) ... [2021-03-25 03:17:57,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57" (1/1) ... [2021-03-25 03:17:57,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57" (1/1) ... [2021-03-25 03:17:57,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57" (1/1) ... [2021-03-25 03:17:57,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57" (1/1) ... [2021-03-25 03:17:57,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57" (1/1) ... [2021-03-25 03:17:57,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 03:17:57,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 03:17:57,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 03:17:57,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 03:17:57,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57" (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 [2021-03-25 03:17:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-03-25 03:17:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-03-25 03:17:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-03-25 03:17:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-03-25 03:17:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 03:17:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 03:17:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-03-25 03:17:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-03-25 03:17:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-25 03:17:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 03:17:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 03:17:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 03:17:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 03:17:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 03:17:57,748 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 03:17:58,295 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 03:17:58,295 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-25 03:17:58,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 03:17:58 BoogieIcfgContainer [2021-03-25 03:17:58,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 03:17:58,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 03:17:58,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 03:17:58,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 03:17:58,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 03:17:57" (1/3) ... [2021-03-25 03:17:58,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28713741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 03:17:58, skipping insertion in model container [2021-03-25 03:17:58,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:17:57" (2/3) ... [2021-03-25 03:17:58,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28713741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 03:17:58, skipping insertion in model container [2021-03-25 03:17:58,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 03:17:58" (3/3) ... [2021-03-25 03:17:58,301 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2021-03-25 03:17:58,305 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 03:17:58,308 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 03:17:58,308 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 03:17:58,338 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,338 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,338 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,338 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,338 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,339 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,339 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,339 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,340 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,340 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,340 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,341 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,341 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,341 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,341 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,341 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,342 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,342 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,342 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,342 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,342 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,342 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,343 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,343 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,343 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,343 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,343 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,343 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,344 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,344 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,344 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,344 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,344 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,344 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,344 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,344 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,344 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,345 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,345 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,346 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,346 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,346 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,346 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,346 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,346 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,346 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,346 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,346 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,346 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,346 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,346 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,347 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,347 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,347 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,347 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,347 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,347 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,347 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,348 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,348 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,348 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,348 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,348 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,348 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,348 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,348 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,349 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,349 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,349 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,349 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,350 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,350 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,351 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,353 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,354 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,354 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,354 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,354 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,354 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,355 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,355 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,356 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,356 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,356 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,356 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,356 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,356 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,357 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,357 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,357 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,357 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,357 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,357 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,357 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,357 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,357 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,357 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,357 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,358 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,358 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,358 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,358 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,359 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,361 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,361 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,361 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,362 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,362 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,362 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,363 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,363 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,363 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,363 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,363 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,363 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,363 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,363 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,365 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,365 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,366 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,366 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,366 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,366 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,367 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,368 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,368 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,368 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,368 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,368 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,368 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,368 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,368 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,368 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,368 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,368 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,368 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,369 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,369 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,369 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,369 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,369 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,369 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,369 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,369 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,369 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,369 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,369 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,370 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,371 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,371 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,371 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,371 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,371 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,371 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,371 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,371 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,373 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,374 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,374 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,374 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,374 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,374 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,374 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,374 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,374 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,374 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,374 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,374 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,375 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,375 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,375 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,375 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,375 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,375 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,375 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,378 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,378 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,378 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,378 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,378 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,378 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,378 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,379 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,379 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,379 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,379 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,379 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,379 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,379 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,381 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,383 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,383 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,383 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,386 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,386 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,387 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,387 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,387 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,391 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,391 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,392 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,392 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,392 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,392 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,393 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,393 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,393 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,393 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,393 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,393 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,394 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,394 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,394 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,394 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,394 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,394 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,394 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,394 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,394 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,394 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,394 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,395 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,395 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:17:58,400 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-03-25 03:17:58,411 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 03:17:58,430 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 03:17:58,430 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 03:17:58,430 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 03:17:58,430 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 03:17:58,430 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 03:17:58,430 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 03:17:58,430 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 03:17:58,430 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 03:17:58,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 157 places, 171 transitions, 384 flow [2021-03-25 03:17:58,493 INFO L129 PetriNetUnfolder]: 23/179 cut-off events. [2021-03-25 03:17:58,493 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-25 03:17:58,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 23/179 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 439 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 137. Up to 6 conditions per place. [2021-03-25 03:17:58,497 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 171 transitions, 384 flow [2021-03-25 03:17:58,503 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 155 transitions, 337 flow [2021-03-25 03:17:58,504 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:17:58,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 155 transitions, 337 flow [2021-03-25 03:17:58,512 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 155 transitions, 337 flow [2021-03-25 03:17:58,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 155 transitions, 337 flow [2021-03-25 03:17:58,536 INFO L129 PetriNetUnfolder]: 21/166 cut-off events. [2021-03-25 03:17:58,537 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-25 03:17:58,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 166 events. 21/166 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 433 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 137. Up to 6 conditions per place. [2021-03-25 03:17:58,556 INFO L142 LiptonReduction]: Number of co-enabled transitions 9672 [2021-03-25 03:18:01,251 INFO L154 LiptonReduction]: Checked pairs total: 12948 [2021-03-25 03:18:01,251 INFO L156 LiptonReduction]: Total number of compositions: 83 [2021-03-25 03:18:01,253 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2750 [2021-03-25 03:18:01,262 INFO L129 PetriNetUnfolder]: 10/67 cut-off events. [2021-03-25 03:18:01,262 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 03:18:01,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:01,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:01,263 INFO L428 AbstractCegarLoop]: === Iteration 1 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 03:18:01,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:01,266 INFO L82 PathProgramCache]: Analyzing trace with hash 164914732, now seen corresponding path program 1 times [2021-03-25 03:18:01,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:01,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621470482] [2021-03-25 03:18:01,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:01,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:01,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:01,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:01,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 03:18:01,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:01,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:01,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:01,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621470482] [2021-03-25 03:18:01,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:01,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 03:18:01,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934727234] [2021-03-25 03:18:01,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 03:18:01,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:01,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 03:18:01,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 03:18:01,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 254 [2021-03-25 03:18:01,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 90 transitions, 207 flow. Second operand has 3 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:01,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:01,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 254 [2021-03-25 03:18:01,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:01,479 INFO L129 PetriNetUnfolder]: 17/108 cut-off events. [2021-03-25 03:18:01,479 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-03-25 03:18:01,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 108 events. 17/108 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 305 event pairs, 0 based on Foata normal form. 31/120 useless extension candidates. Maximal degree in co-relation 121. Up to 15 conditions per place. [2021-03-25 03:18:01,481 INFO L132 encePairwiseOnDemand]: 248/254 looper letters, 16 selfloop transitions, 3 changer transitions 0/89 dead transitions. [2021-03-25 03:18:01,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 89 transitions, 243 flow [2021-03-25 03:18:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 03:18:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 03:18:01,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2021-03-25 03:18:01,496 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8818897637795275 [2021-03-25 03:18:01,496 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2021-03-25 03:18:01,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2021-03-25 03:18:01,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:01,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2021-03-25 03:18:01,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:01,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:01,508 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:01,509 INFO L185 Difference]: Start difference. First operand has 82 places, 90 transitions, 207 flow. Second operand 3 states and 672 transitions. [2021-03-25 03:18:01,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 89 transitions, 243 flow [2021-03-25 03:18:01,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 89 transitions, 225 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-25 03:18:01,513 INFO L241 Difference]: Finished difference. Result has 79 places, 89 transitions, 205 flow [2021-03-25 03:18:01,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=205, PETRI_PLACES=79, PETRI_TRANSITIONS=89} [2021-03-25 03:18:01,515 INFO L343 CegarLoopForPetriNet]: 82 programPoint places, -3 predicate places. [2021-03-25 03:18:01,515 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:01,515 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 89 transitions, 205 flow [2021-03-25 03:18:01,515 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 89 transitions, 205 flow [2021-03-25 03:18:01,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 89 transitions, 205 flow [2021-03-25 03:18:01,522 INFO L129 PetriNetUnfolder]: 17/108 cut-off events. [2021-03-25 03:18:01,522 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 03:18:01,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 108 events. 17/108 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 314 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 88. Up to 10 conditions per place. [2021-03-25 03:18:01,524 INFO L142 LiptonReduction]: Number of co-enabled transitions 3830 [2021-03-25 03:18:02,634 INFO L154 LiptonReduction]: Checked pairs total: 9692 [2021-03-25 03:18:02,634 INFO L156 LiptonReduction]: Total number of compositions: 27 [2021-03-25 03:18:02,635 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1120 [2021-03-25 03:18:02,635 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 74 transitions, 175 flow [2021-03-25 03:18:02,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:02,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:02,636 INFO L263 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] [2021-03-25 03:18:02,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 03:18:02,636 INFO L428 AbstractCegarLoop]: === Iteration 2 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 03:18:02,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:02,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1715528316, now seen corresponding path program 1 times [2021-03-25 03:18:02,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:02,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485201464] [2021-03-25 03:18:02,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:02,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:02,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:02,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:02,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:02,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485201464] [2021-03-25 03:18:02,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:02,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 03:18:02,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104828021] [2021-03-25 03:18:02,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 03:18:02,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:02,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 03:18:02,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 03:18:02,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 281 [2021-03-25 03:18:02,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 74 transitions, 175 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:02,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:02,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 281 [2021-03-25 03:18:02,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:02,718 INFO L129 PetriNetUnfolder]: 27/128 cut-off events. [2021-03-25 03:18:02,718 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 03:18:02,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 128 events. 27/128 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 543 event pairs, 2 based on Foata normal form. 2/109 useless extension candidates. Maximal degree in co-relation 116. Up to 18 conditions per place. [2021-03-25 03:18:02,719 INFO L132 encePairwiseOnDemand]: 278/281 looper letters, 6 selfloop transitions, 2 changer transitions 0/76 dead transitions. [2021-03-25 03:18:02,719 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 76 transitions, 195 flow [2021-03-25 03:18:02,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 03:18:02,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 03:18:02,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 771 transitions. [2021-03-25 03:18:02,721 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9145907473309609 [2021-03-25 03:18:02,721 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 771 transitions. [2021-03-25 03:18:02,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 771 transitions. [2021-03-25 03:18:02,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:02,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 771 transitions. [2021-03-25 03:18:02,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:02,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:02,725 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:02,725 INFO L185 Difference]: Start difference. First operand has 64 places, 74 transitions, 175 flow. Second operand 3 states and 771 transitions. [2021-03-25 03:18:02,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 76 transitions, 195 flow [2021-03-25 03:18:02,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 76 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 03:18:02,728 INFO L241 Difference]: Finished difference. Result has 66 places, 74 transitions, 180 flow [2021-03-25 03:18:02,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=66, PETRI_TRANSITIONS=74} [2021-03-25 03:18:02,728 INFO L343 CegarLoopForPetriNet]: 82 programPoint places, -16 predicate places. [2021-03-25 03:18:02,728 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:02,729 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 74 transitions, 180 flow [2021-03-25 03:18:02,729 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 74 transitions, 180 flow [2021-03-25 03:18:02,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 74 transitions, 180 flow [2021-03-25 03:18:02,736 INFO L129 PetriNetUnfolder]: 17/92 cut-off events. [2021-03-25 03:18:02,736 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 03:18:02,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 92 events. 17/92 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 292 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 91. Up to 10 conditions per place. [2021-03-25 03:18:02,737 INFO L142 LiptonReduction]: Number of co-enabled transitions 2904 [2021-03-25 03:18:03,097 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2021-03-25 03:18:03,230 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-25 03:18:03,575 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2021-03-25 03:18:03,720 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-25 03:18:03,865 INFO L154 LiptonReduction]: Checked pairs total: 4952 [2021-03-25 03:18:03,866 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 03:18:03,866 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1138 [2021-03-25 03:18:03,866 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 67 transitions, 166 flow [2021-03-25 03:18:03,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:03,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:03,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:03,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 03:18:03,867 INFO L428 AbstractCegarLoop]: === Iteration 3 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 03:18:03,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:03,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1507828016, now seen corresponding path program 1 times [2021-03-25 03:18:03,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:03,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909846637] [2021-03-25 03:18:03,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:03,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:03,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:03,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:03,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:03,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:03,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909846637] [2021-03-25 03:18:03,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:03,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 03:18:03,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173137217] [2021-03-25 03:18:03,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 03:18:03,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:03,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 03:18:03,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 03:18:03,911 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 291 [2021-03-25 03:18:03,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 67 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 259.0) internal successors, (777), 3 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) [2021-03-25 03:18:03,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:03,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 291 [2021-03-25 03:18:03,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:03,934 INFO L129 PetriNetUnfolder]: 22/103 cut-off events. [2021-03-25 03:18:03,935 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 03:18:03,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 103 events. 22/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 375 event pairs, 0 based on Foata normal form. 2/86 useless extension candidates. Maximal degree in co-relation 119. Up to 14 conditions per place. [2021-03-25 03:18:03,935 INFO L132 encePairwiseOnDemand]: 287/291 looper letters, 5 selfloop transitions, 3 changer transitions 0/69 dead transitions. [2021-03-25 03:18:03,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 69 transitions, 186 flow [2021-03-25 03:18:03,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 03:18:03,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 03:18:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 783 transitions. [2021-03-25 03:18:03,937 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8969072164948454 [2021-03-25 03:18:03,937 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 783 transitions. [2021-03-25 03:18:03,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 783 transitions. [2021-03-25 03:18:03,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:03,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 783 transitions. [2021-03-25 03:18:03,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:03,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:03,943 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:03,943 INFO L185 Difference]: Start difference. First operand has 60 places, 67 transitions, 166 flow. Second operand 3 states and 783 transitions. [2021-03-25 03:18:03,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 69 transitions, 186 flow [2021-03-25 03:18:03,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 69 transitions, 182 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 03:18:03,944 INFO L241 Difference]: Finished difference. Result has 61 places, 67 transitions, 173 flow [2021-03-25 03:18:03,944 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=173, PETRI_PLACES=61, PETRI_TRANSITIONS=67} [2021-03-25 03:18:03,945 INFO L343 CegarLoopForPetriNet]: 82 programPoint places, -21 predicate places. [2021-03-25 03:18:03,945 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:03,945 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 67 transitions, 173 flow [2021-03-25 03:18:03,945 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 67 transitions, 173 flow [2021-03-25 03:18:03,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 67 transitions, 173 flow [2021-03-25 03:18:03,950 INFO L129 PetriNetUnfolder]: 16/85 cut-off events. [2021-03-25 03:18:03,950 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 03:18:03,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 85 events. 16/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 263 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 91. Up to 10 conditions per place. [2021-03-25 03:18:03,951 INFO L142 LiptonReduction]: Number of co-enabled transitions 2242 [2021-03-25 03:18:04,167 INFO L154 LiptonReduction]: Checked pairs total: 2880 [2021-03-25 03:18:04,167 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 03:18:04,168 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 223 [2021-03-25 03:18:04,168 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 65 transitions, 169 flow [2021-03-25 03:18:04,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 259.0) internal successors, (777), 3 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) [2021-03-25 03:18:04,169 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:04,169 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:04,169 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 03:18:04,169 INFO L428 AbstractCegarLoop]: === Iteration 4 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 03:18:04,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:04,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1050434153, now seen corresponding path program 1 times [2021-03-25 03:18:04,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:04,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598079870] [2021-03-25 03:18:04,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:04,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 03:18:04,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 03:18:04,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 03:18:04,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 03:18:04,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:04,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598079870] [2021-03-25 03:18:04,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:04,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 03:18:04,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229929661] [2021-03-25 03:18:04,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 03:18:04,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:04,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 03:18:04,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 03:18:04,244 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 294 [2021-03-25 03:18:04,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 65 transitions, 169 flow. Second operand has 5 states, 5 states have (on average 194.8) internal successors, (974), 5 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:04,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:04,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 294 [2021-03-25 03:18:04,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:04,430 INFO L129 PetriNetUnfolder]: 430/942 cut-off events. [2021-03-25 03:18:04,430 INFO L130 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2021-03-25 03:18:04,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 942 events. 430/942 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5948 event pairs, 24 based on Foata normal form. 38/882 useless extension candidates. Maximal degree in co-relation 1596. Up to 446 conditions per place. [2021-03-25 03:18:04,471 INFO L132 encePairwiseOnDemand]: 278/294 looper letters, 69 selfloop transitions, 27 changer transitions 0/128 dead transitions. [2021-03-25 03:18:04,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 128 transitions, 543 flow [2021-03-25 03:18:04,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 03:18:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 03:18:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1455 transitions. [2021-03-25 03:18:04,474 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.706997084548105 [2021-03-25 03:18:04,474 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1455 transitions. [2021-03-25 03:18:04,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1455 transitions. [2021-03-25 03:18:04,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:04,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1455 transitions. [2021-03-25 03:18:04,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 207.85714285714286) internal successors, (1455), 7 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:04,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 294.0) internal successors, (2352), 8 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:04,480 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 294.0) internal successors, (2352), 8 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:04,480 INFO L185 Difference]: Start difference. First operand has 59 places, 65 transitions, 169 flow. Second operand 7 states and 1455 transitions. [2021-03-25 03:18:04,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 128 transitions, 543 flow [2021-03-25 03:18:04,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 128 transitions, 527 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 03:18:04,486 INFO L241 Difference]: Finished difference. Result has 68 places, 91 transitions, 387 flow [2021-03-25 03:18:04,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=294, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=387, PETRI_PLACES=68, PETRI_TRANSITIONS=91} [2021-03-25 03:18:04,487 INFO L343 CegarLoopForPetriNet]: 82 programPoint places, -14 predicate places. [2021-03-25 03:18:04,487 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:04,487 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 91 transitions, 387 flow [2021-03-25 03:18:04,488 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 91 transitions, 387 flow [2021-03-25 03:18:04,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 91 transitions, 387 flow [2021-03-25 03:18:04,517 INFO L129 PetriNetUnfolder]: 179/518 cut-off events. [2021-03-25 03:18:04,517 INFO L130 PetriNetUnfolder]: For 312/378 co-relation queries the response was YES. [2021-03-25 03:18:04,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1066 conditions, 518 events. 179/518 cut-off events. For 312/378 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3207 event pairs, 10 based on Foata normal form. 2/471 useless extension candidates. Maximal degree in co-relation 900. Up to 107 conditions per place. [2021-03-25 03:18:04,523 INFO L142 LiptonReduction]: Number of co-enabled transitions 2674 [2021-03-25 03:18:04,535 INFO L154 LiptonReduction]: Checked pairs total: 1018 [2021-03-25 03:18:04,535 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 03:18:04,535 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-25 03:18:04,537 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 91 transitions, 387 flow [2021-03-25 03:18:04,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 194.8) internal successors, (974), 5 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:04,538 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:04,538 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:04,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 03:18:04,538 INFO L428 AbstractCegarLoop]: === Iteration 5 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 03:18:04,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:04,538 INFO L82 PathProgramCache]: Analyzing trace with hash 960609175, now seen corresponding path program 1 times [2021-03-25 03:18:04,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:04,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43905218] [2021-03-25 03:18:04,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:04,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:04,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:04,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:04,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43905218] [2021-03-25 03:18:04,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:04,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 03:18:04,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351124192] [2021-03-25 03:18:04,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 03:18:04,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:04,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 03:18:04,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 03:18:04,578 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 294 [2021-03-25 03:18:04,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 91 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:04,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:04,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 294 [2021-03-25 03:18:04,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:04,615 INFO L129 PetriNetUnfolder]: 164/499 cut-off events. [2021-03-25 03:18:04,615 INFO L130 PetriNetUnfolder]: For 332/382 co-relation queries the response was YES. [2021-03-25 03:18:04,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 499 events. 164/499 cut-off events. For 332/382 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3040 event pairs, 9 based on Foata normal form. 23/466 useless extension candidates. Maximal degree in co-relation 874. Up to 95 conditions per place. [2021-03-25 03:18:04,618 INFO L132 encePairwiseOnDemand]: 291/294 looper letters, 5 selfloop transitions, 5 changer transitions 0/92 dead transitions. [2021-03-25 03:18:04,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 92 transitions, 407 flow [2021-03-25 03:18:04,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 03:18:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 03:18:04,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 791 transitions. [2021-03-25 03:18:04,620 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8968253968253969 [2021-03-25 03:18:04,620 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 791 transitions. [2021-03-25 03:18:04,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 791 transitions. [2021-03-25 03:18:04,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:04,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 791 transitions. [2021-03-25 03:18:04,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:04,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 294.0) internal successors, (1176), 4 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:04,623 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 294.0) internal successors, (1176), 4 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:04,623 INFO L185 Difference]: Start difference. First operand has 68 places, 91 transitions, 387 flow. Second operand 3 states and 791 transitions. [2021-03-25 03:18:04,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 92 transitions, 407 flow [2021-03-25 03:18:04,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 92 transitions, 401 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 03:18:04,626 INFO L241 Difference]: Finished difference. Result has 68 places, 90 transitions, 387 flow [2021-03-25 03:18:04,626 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=294, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=68, PETRI_TRANSITIONS=90} [2021-03-25 03:18:04,626 INFO L343 CegarLoopForPetriNet]: 82 programPoint places, -14 predicate places. [2021-03-25 03:18:04,626 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:04,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 90 transitions, 387 flow [2021-03-25 03:18:04,627 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 90 transitions, 387 flow [2021-03-25 03:18:04,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 90 transitions, 387 flow [2021-03-25 03:18:04,651 INFO L129 PetriNetUnfolder]: 169/493 cut-off events. [2021-03-25 03:18:04,651 INFO L130 PetriNetUnfolder]: For 346/412 co-relation queries the response was YES. [2021-03-25 03:18:04,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1015 conditions, 493 events. 169/493 cut-off events. For 346/412 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2979 event pairs, 10 based on Foata normal form. 2/448 useless extension candidates. Maximal degree in co-relation 853. Up to 96 conditions per place. [2021-03-25 03:18:04,656 INFO L142 LiptonReduction]: Number of co-enabled transitions 2638 [2021-03-25 03:18:04,667 INFO L154 LiptonReduction]: Checked pairs total: 1346 [2021-03-25 03:18:04,668 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 03:18:04,668 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-25 03:18:04,668 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 90 transitions, 387 flow [2021-03-25 03:18:04,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:04,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:04,669 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:04,669 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 03:18:04,669 INFO L428 AbstractCegarLoop]: === Iteration 6 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 03:18:04,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:04,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1414420444, now seen corresponding path program 1 times [2021-03-25 03:18:04,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:04,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388078812] [2021-03-25 03:18:04,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:04,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 03:18:04,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 03:18:04,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 03:18:04,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 03:18:04,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 03:18:04,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:04,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:04,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:04,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388078812] [2021-03-25 03:18:04,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:04,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 03:18:04,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116758547] [2021-03-25 03:18:04,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 03:18:04,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:04,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 03:18:04,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 03:18:04,730 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 294 [2021-03-25 03:18:04,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 90 transitions, 387 flow. Second operand has 8 states, 8 states have (on average 194.125) internal successors, (1553), 8 states have internal predecessors, (1553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:04,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:04,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 294 [2021-03-25 03:18:04,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:05,224 INFO L129 PetriNetUnfolder]: 799/1723 cut-off events. [2021-03-25 03:18:05,224 INFO L130 PetriNetUnfolder]: For 2713/2728 co-relation queries the response was YES. [2021-03-25 03:18:05,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5107 conditions, 1723 events. 799/1723 cut-off events. For 2713/2728 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 12104 event pairs, 8 based on Foata normal form. 19/1592 useless extension candidates. Maximal degree in co-relation 4591. Up to 360 conditions per place. [2021-03-25 03:18:05,236 INFO L132 encePairwiseOnDemand]: 268/294 looper letters, 108 selfloop transitions, 110 changer transitions 0/249 dead transitions. [2021-03-25 03:18:05,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 249 transitions, 1694 flow [2021-03-25 03:18:05,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 03:18:05,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 03:18:05,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2696 transitions. [2021-03-25 03:18:05,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7053898482469911 [2021-03-25 03:18:05,241 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2696 transitions. [2021-03-25 03:18:05,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2696 transitions. [2021-03-25 03:18:05,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:05,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2696 transitions. [2021-03-25 03:18:05,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 207.3846153846154) internal successors, (2696), 13 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:05,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 294.0) internal successors, (4116), 14 states have internal predecessors, (4116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:05,252 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 294.0) internal successors, (4116), 14 states have internal predecessors, (4116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:05,252 INFO L185 Difference]: Start difference. First operand has 68 places, 90 transitions, 387 flow. Second operand 13 states and 2696 transitions. [2021-03-25 03:18:05,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 249 transitions, 1694 flow [2021-03-25 03:18:05,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 249 transitions, 1678 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 03:18:05,262 INFO L241 Difference]: Finished difference. Result has 91 places, 180 transitions, 1437 flow [2021-03-25 03:18:05,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=294, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1437, PETRI_PLACES=91, PETRI_TRANSITIONS=180} [2021-03-25 03:18:05,262 INFO L343 CegarLoopForPetriNet]: 82 programPoint places, 9 predicate places. [2021-03-25 03:18:05,262 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:05,262 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 180 transitions, 1437 flow [2021-03-25 03:18:05,262 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 180 transitions, 1437 flow [2021-03-25 03:18:05,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 180 transitions, 1437 flow [2021-03-25 03:18:05,312 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([794] L766-8-->L767-10: Formula: (not (<= v_qrcu_updaterThread1of1ForFork1_~sum~0_17 1)) InVars {qrcu_updaterThread1of1ForFork1_~sum~0=v_qrcu_updaterThread1of1ForFork1_~sum~0_17} OutVars{qrcu_updaterThread1of1ForFork1_~sum~0=v_qrcu_updaterThread1of1ForFork1_~sum~0_17} AuxVars[] AssignedVars[][80], [194#(= ~readerprogress2~0 2), 137#L767-10true, 203#(<= 2 qrcu_updaterThread1of1ForFork1_~sum~0), 19#L786-2true, Black: 209#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (= ~ctr2~0 0) (<= 1 ~ctr1~0)), Black: 211#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr1~0))), Black: 196#true, Black: 213#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr2~0))), Black: 198#(and (= ~ctr2~0 0) (<= 1 ~ctr1~0)), Black: 199#(and (= ~ctr2~0 0) (<= 1 ~ctr1~0) (<= 1 qrcu_updaterThread1of1ForFork1_~sum~0)), Black: 215#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr1~0)) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr2~0))), Black: 217#(and (= ~ctr2~0 0) (or (<= 2 ~ctr1~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr2~0))) (<= 1 ~ctr1~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr1~0))), Black: 202#(<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr1~0)), 163#(< 1 qrcu_updaterThread1of1ForFork1_~sum~0), Black: 205#(and (= ~ctr2~0 0) (or (<= 2 ~ctr1~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr2~0))) (<= 1 ~ctr1~0)), Black: 161#true, Black: 207#(and (= ~ctr2~0 0) (or (<= 2 ~ctr1~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr2~0))) (<= 1 ~ctr1~0) (<= 1 qrcu_updaterThread1of1ForFork1_~sum~0)), 42#L758true, Black: 169#(= ~readerprogress1~0 0), 110#qrcu_reader1EXITtrue, 177#true, Black: 179#(and (= ~ctr2~0 0) (<= 1 ~ctr1~0)), Black: 180#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0)), Black: 181#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (= ~ctr2~0 0)), Black: 183#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (= ~ctr2~0 0) (<= 1 ~ctr1~0)), Black: 185#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (= ~ctr2~0 0) (<= 2 ~ctr1~0))]) [2021-03-25 03:18:05,312 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is not cut-off event [2021-03-25 03:18:05,312 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2021-03-25 03:18:05,312 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2021-03-25 03:18:05,312 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2021-03-25 03:18:05,313 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([940] L766-8-->L767-4: Formula: (and (<= v_qrcu_updaterThread1of1ForFork1_~sum~0_58 1) (<= |v_qrcu_updaterThread1of1ForFork1_#t~nondet18_28| 2147483647) (<= 0 (+ |v_qrcu_updaterThread1of1ForFork1_#t~nondet18_28| 2147483648)) (not (= |v_qrcu_updaterThread1of1ForFork1_#t~nondet18_28| 0)) (= v_~ctr1~0_156 v_qrcu_updaterThread1of1ForFork1_~sum~0_57)) InVars {qrcu_updaterThread1of1ForFork1_~sum~0=v_qrcu_updaterThread1of1ForFork1_~sum~0_58, qrcu_updaterThread1of1ForFork1_#t~nondet18=|v_qrcu_updaterThread1of1ForFork1_#t~nondet18_28|, ~ctr1~0=v_~ctr1~0_156} OutVars{qrcu_updaterThread1of1ForFork1_~sum~0=v_qrcu_updaterThread1of1ForFork1_~sum~0_57, qrcu_updaterThread1of1ForFork1_#t~nondet18=|v_qrcu_updaterThread1of1ForFork1_#t~nondet18_27|, ~ctr1~0=v_~ctr1~0_156} AuxVars[] AssignedVars[qrcu_updaterThread1of1ForFork1_~sum~0, qrcu_updaterThread1of1ForFork1_#t~nondet18][122], [194#(= ~readerprogress2~0 2), 196#true, 19#L786-2true, 148#L767-4true, Black: 209#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (= ~ctr2~0 0) (<= 1 ~ctr1~0)), Black: 211#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr1~0))), Black: 213#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr2~0))), Black: 198#(and (= ~ctr2~0 0) (<= 1 ~ctr1~0)), Black: 199#(and (= ~ctr2~0 0) (<= 1 ~ctr1~0) (<= 1 qrcu_updaterThread1of1ForFork1_~sum~0)), Black: 215#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr1~0)) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr2~0))), Black: 217#(and (= ~ctr2~0 0) (or (<= 2 ~ctr1~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr2~0))) (<= 1 ~ctr1~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr1~0))), Black: 202#(<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr1~0)), Black: 203#(<= 2 qrcu_updaterThread1of1ForFork1_~sum~0), Black: 205#(and (= ~ctr2~0 0) (or (<= 2 ~ctr1~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr2~0))) (<= 1 ~ctr1~0)), Black: 207#(and (= ~ctr2~0 0) (or (<= 2 ~ctr1~0) (<= 2 (+ qrcu_updaterThread1of1ForFork1_~sum~0 ~ctr2~0))) (<= 1 ~ctr1~0) (<= 1 qrcu_updaterThread1of1ForFork1_~sum~0)), Black: 163#(< 1 qrcu_updaterThread1of1ForFork1_~sum~0), 42#L758true, Black: 169#(= ~readerprogress1~0 0), 110#qrcu_reader1EXITtrue, 177#true, Black: 179#(and (= ~ctr2~0 0) (<= 1 ~ctr1~0)), Black: 180#(and (= ~ctr2~0 0) (<= 2 ~ctr1~0)), Black: 181#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (= ~ctr2~0 0)), Black: 183#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (= ~ctr2~0 0) (<= 1 ~ctr1~0)), Black: 185#(and (<= 2 qrcu_updaterThread1of1ForFork1_~sum~0) (= ~ctr2~0 0) (<= 2 ~ctr1~0))]) [2021-03-25 03:18:05,313 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is not cut-off event [2021-03-25 03:18:05,313 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2021-03-25 03:18:05,313 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2021-03-25 03:18:05,313 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2021-03-25 03:18:05,346 INFO L129 PetriNetUnfolder]: 528/1369 cut-off events. [2021-03-25 03:18:05,346 INFO L130 PetriNetUnfolder]: For 3294/3561 co-relation queries the response was YES. [2021-03-25 03:18:05,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4412 conditions, 1369 events. 528/1369 cut-off events. For 3294/3561 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 10204 event pairs, 26 based on Foata normal form. 21/1275 useless extension candidates. Maximal degree in co-relation 4022. Up to 251 conditions per place. [2021-03-25 03:18:05,364 INFO L142 LiptonReduction]: Number of co-enabled transitions 4652 [2021-03-25 03:18:05,451 INFO L154 LiptonReduction]: Checked pairs total: 2903 [2021-03-25 03:18:05,451 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 03:18:05,452 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 190 [2021-03-25 03:18:05,453 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 180 transitions, 1437 flow [2021-03-25 03:18:05,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 194.125) internal successors, (1553), 8 states have internal predecessors, (1553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:05,454 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:05,454 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:05,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 03:18:05,454 INFO L428 AbstractCegarLoop]: === Iteration 7 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 03:18:05,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:05,454 INFO L82 PathProgramCache]: Analyzing trace with hash -2125770980, now seen corresponding path program 2 times [2021-03-25 03:18:05,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:05,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331428305] [2021-03-25 03:18:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 03:18:05,479 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 03:18:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 03:18:05,511 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 03:18:05,531 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 03:18:05,532 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 03:18:05,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 03:18:05,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 03:18:05 BasicIcfg [2021-03-25 03:18:05,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 03:18:05,583 INFO L168 Benchmark]: Toolchain (without parser) took 8363.86 ms. Allocated memory was 337.6 MB in the beginning and 488.6 MB in the end (delta: 151.0 MB). Free memory was 301.0 MB in the beginning and 306.9 MB in the end (delta: -5.9 MB). Peak memory consumption was 146.7 MB. Max. memory is 16.0 GB. [2021-03-25 03:18:05,583 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 337.6 MB. Free memory was 319.1 MB in the beginning and 319.0 MB in the end (delta: 144.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 03:18:05,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.48 ms. Allocated memory is still 337.6 MB. Free memory was 300.8 MB in the beginning and 298.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-03-25 03:18:05,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.35 ms. Allocated memory is still 337.6 MB. Free memory was 298.5 MB in the beginning and 295.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 03:18:05,584 INFO L168 Benchmark]: Boogie Preprocessor took 29.06 ms. Allocated memory is still 337.6 MB. Free memory was 295.3 MB in the beginning and 294.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 03:18:05,584 INFO L168 Benchmark]: RCFGBuilder took 604.79 ms. Allocated memory is still 337.6 MB. Free memory was 294.3 MB in the beginning and 196.8 MB in the end (delta: 97.5 MB). Peak memory consumption was 96.5 MB. Max. memory is 16.0 GB. [2021-03-25 03:18:05,584 INFO L168 Benchmark]: TraceAbstraction took 7284.56 ms. Allocated memory was 337.6 MB in the beginning and 488.6 MB in the end (delta: 151.0 MB). Free memory was 195.7 MB in the beginning and 306.9 MB in the end (delta: -111.2 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.0 GB. [2021-03-25 03:18:05,586 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 337.6 MB. Free memory was 319.1 MB in the beginning and 319.0 MB in the end (delta: 144.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 383.48 ms. Allocated memory is still 337.6 MB. Free memory was 300.8 MB in the beginning and 298.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 56.35 ms. Allocated memory is still 337.6 MB. Free memory was 298.5 MB in the beginning and 295.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.06 ms. Allocated memory is still 337.6 MB. Free memory was 295.3 MB in the beginning and 294.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 604.79 ms. Allocated memory is still 337.6 MB. Free memory was 294.3 MB in the beginning and 196.8 MB in the end (delta: 97.5 MB). Peak memory consumption was 96.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 7284.56 ms. Allocated memory was 337.6 MB in the beginning and 488.6 MB in the end (delta: 151.0 MB). Free memory was 195.7 MB in the beginning and 306.9 MB in the end (delta: -111.2 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2739.5ms, 143 PlacesBefore, 82 PlacesAfterwards, 155 TransitionsBefore, 90 TransitionsAfterwards, 9672 CoEnabledTransitionPairs, 6 FixpointIterations, 20 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 4 ChoiceCompositions, 83 TotalNumberOfCompositions, 12948 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5907, positive: 5727, positive conditional: 0, positive unconditional: 5727, negative: 180, negative conditional: 0, negative unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3699, positive: 3639, positive conditional: 0, positive unconditional: 3639, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3699, positive: 3639, positive conditional: 0, positive unconditional: 3639, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5907, positive: 2088, positive conditional: 0, positive unconditional: 2088, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 3699, unknown conditional: 0, unknown unconditional: 3699] , Statistics on independence cache: Total cache size (in pairs): 532, Positive cache size: 514, Positive conditional cache size: 0, Positive unconditional cache size: 514, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1119.5ms, 79 PlacesBefore, 64 PlacesAfterwards, 89 TransitionsBefore, 74 TransitionsAfterwards, 3830 CoEnabledTransitionPairs, 5 FixpointIterations, 3 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 27 TotalNumberOfCompositions, 9692 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1957, positive: 1741, positive conditional: 0, positive unconditional: 1741, negative: 216, negative conditional: 0, negative unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 723, positive: 699, positive conditional: 0, positive unconditional: 699, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 723, positive: 699, positive conditional: 0, positive unconditional: 699, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1957, positive: 1042, positive conditional: 0, positive unconditional: 1042, negative: 192, negative conditional: 0, negative unconditional: 192, unknown: 723, unknown conditional: 0, unknown unconditional: 723] , Statistics on independence cache: Total cache size (in pairs): 705, Positive cache size: 671, Positive conditional cache size: 0, Positive unconditional cache size: 671, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1136.6ms, 66 PlacesBefore, 60 PlacesAfterwards, 74 TransitionsBefore, 67 TransitionsAfterwards, 2904 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 10 TotalNumberOfCompositions, 4952 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 923, positive: 790, positive conditional: 0, positive unconditional: 790, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204, positive: 199, positive conditional: 0, positive unconditional: 199, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 204, positive: 199, positive conditional: 0, positive unconditional: 199, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 923, positive: 591, positive conditional: 0, positive unconditional: 591, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 204, unknown conditional: 0, unknown unconditional: 204] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 470, Positive conditional cache size: 0, Positive unconditional cache size: 470, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 222.6ms, 61 PlacesBefore, 59 PlacesAfterwards, 67 TransitionsBefore, 65 TransitionsAfterwards, 2242 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 2880 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 433, positive: 347, positive conditional: 0, positive unconditional: 347, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 433, positive: 339, positive conditional: 0, positive unconditional: 339, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 368, Positive cache size: 335, Positive conditional cache size: 0, Positive unconditional cache size: 335, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.6ms, 68 PlacesBefore, 68 PlacesAfterwards, 91 TransitionsBefore, 91 TransitionsAfterwards, 2674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1018 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 158, positive: 133, positive conditional: 0, positive unconditional: 133, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 35, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 158, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 35, unknown conditional: 0, unknown unconditional: 35] , Statistics on independence cache: Total cache size (in pairs): 403, Positive cache size: 362, Positive conditional cache size: 0, Positive unconditional cache size: 362, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.9ms, 68 PlacesBefore, 68 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 2638 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1346 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 202, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 202, positive: 170, positive conditional: 0, positive unconditional: 170, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 405, Positive cache size: 364, Positive conditional cache size: 0, Positive unconditional cache size: 364, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 189.1ms, 91 PlacesBefore, 91 PlacesAfterwards, 180 TransitionsBefore, 180 TransitionsAfterwards, 4652 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2903 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 392, positive: 362, positive conditional: 0, positive unconditional: 362, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 392, positive: 347, positive conditional: 0, positive unconditional: 347, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , Statistics on independence cache: Total cache size (in pairs): 423, Positive cache size: 379, Positive conditional cache size: 0, Positive unconditional cache size: 379, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44 - CounterExampleResult [Line: 712]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 int idx=0; [L690] 0 int ctr1=1, ctr2=0; [L691] 0 int readerprogress1=0, readerprogress2=0; [L692] 0 pthread_mutex_t mutex; [L782] 0 pthread_t t1, t2, t3; [L784] FCALL, FORK 0 pthread_create(&t1, 0, qrcu_reader1, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={10:0}, readerprogress1=0, readerprogress2=0] [L724] 1 int myidx; VAL [ctr1=1, ctr2=0, idx=0, mutex={10:0}, readerprogress1=0, readerprogress2=0] [L725] COND TRUE 1 1 VAL [ctr1=1, ctr2=0, idx=0, mutex={10:0}, readerprogress1=0, readerprogress2=0] [L726] 1 myidx = idx VAL [ctr1=1, ctr2=0, idx=0, mutex={10:0}, readerprogress1=0, readerprogress2=0] [L785] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={10:0}, readerprogress1=0, readerprogress2=0] [L786] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={10:0}, readerprogress1=0, readerprogress2=0] [L762] 3 int i; [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); [L764] 3 int sum; [L765] CALL 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L706] 3 readerstart1 = readerprogress1 [L707] 3 readerstart2 = readerprogress2 [L765] RET 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L766] COND TRUE 3 __VERIFIER_nondet_int() [L766] 3 sum = ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={10:0}, readerprogress1=0, readerprogress2=0] [L766] 3 sum = sum + ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={10:0}, readerprogress1=0, readerprogress2=0] [L767] COND TRUE 3 sum <= 1 [L767] COND FALSE 3 !(__VERIFIER_nondet_int()) [L767] 3 sum = ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={10:0}, readerprogress1=0, readerprogress2=0] [L767] 3 sum = sum + ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={10:0}, readerprogress1=0, readerprogress2=0] [L769] COND FALSE 3 !(sum > 1) VAL [ctr1=1, ctr2=0, idx=0, mutex={10:0}, readerprogress1=0, readerprogress2=0] [L727] COND TRUE 1 __VERIFIER_nondet_int() [L728] CALL 1 __VERIFIER_atomic_use1(myidx) [L694] CALL 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L3] COND FALSE 1 !(!cond) [L694] RET 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L695] 1 ctr1++ [L728] RET 1 __VERIFIER_atomic_use1(myidx) [L737] 1 readerprogress1 = 1 VAL [ctr1=2, ctr2=0, idx=0, mutex={10:0}, readerprogress1=1, readerprogress2=0] [L777] CALL 3 __VERIFIER_atomic_check_progress1(readerstart1) [L710] COND TRUE 3 __VERIFIER_nondet_int() [L711] CALL 3 assume_abort_if_not(readerstart1 == 1 && readerprogress1 == 1) [L3] COND FALSE 3 !(!cond) [L711] RET 3 assume_abort_if_not(readerstart1 == 1 && readerprogress1 == 1) [L712] COND TRUE 3 !(0) [L712] 3 reach_error() VAL [ctr1=2, ctr2=0, idx=0, mutex={10:0}, readerprogress1=1, readerprogress2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 148 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 7105.7ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 983.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2825.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 76 SDtfs, 156 SDslu, 26 SDs, 0 SdLazy, 483 SolverSat, 125 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 278.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 162.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1437occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.8ms SsaConstructionTime, 135.2ms SatisfiabilityAnalysisTime, 209.4ms InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...