/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-05 18:22:32,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 18:22:32,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 18:22:32,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 18:22:32,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 18:22:32,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 18:22:32,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 18:22:32,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-06-05 18:22:32,738 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 18:22:32,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 18:22:32,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 18:22:32,739 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 18:22:32,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 18:22:32,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 18:22:32,742 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 18:22:32,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 18:22:32,743 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 18:22:32,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 18:22:32,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 18:22:32,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 18:22:32,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 18:22:32,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 18:22:32,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 18:22:32,744 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 18:22:32,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 18:22:32,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 18:22:32,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 18:22:32,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 18:22:32,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 18:22:32,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 18:22:32,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 18:22:32,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 18:22:32,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 18:22:32,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 18:22:32,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 18:22:32,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 18:22:32,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 18:22:32,746 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 18:22:32,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 18:22:32,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 18:22:33,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 18:22:33,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 18:22:33,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 18:22:33,085 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 18:22:33,085 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 18:22:33,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2021-06-05 18:22:33,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e73705bc/9e9a1acae6ec45f3ba8eb6de31711868/FLAG3978c5f35 [2021-06-05 18:22:33,631 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 18:22:33,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2021-06-05 18:22:33,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e73705bc/9e9a1acae6ec45f3ba8eb6de31711868/FLAG3978c5f35 [2021-06-05 18:22:34,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e73705bc/9e9a1acae6ec45f3ba8eb6de31711868 [2021-06-05 18:22:34,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 18:22:34,132 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 18:22:34,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 18:22:34,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 18:22:34,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 18:22:34,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 06:22:34" (1/1) ... [2021-06-05 18:22:34,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea3f082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34, skipping insertion in model container [2021-06-05 18:22:34,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 06:22:34" (1/1) ... [2021-06-05 18:22:34,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 18:22:34,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 18:22:34,491 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30694,30707] [2021-06-05 18:22:34,495 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30916,30929] [2021-06-05 18:22:34,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 18:22:34,525 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 18:22:34,563 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30694,30707] [2021-06-05 18:22:34,564 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30916,30929] [2021-06-05 18:22:34,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 18:22:34,642 INFO L208 MainTranslator]: Completed translation [2021-06-05 18:22:34,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34 WrapperNode [2021-06-05 18:22:34,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 18:22:34,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 18:22:34,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 18:22:34,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 18:22:34,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34" (1/1) ... [2021-06-05 18:22:34,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34" (1/1) ... [2021-06-05 18:22:34,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 18:22:34,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 18:22:34,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 18:22:34,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 18:22:34,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34" (1/1) ... [2021-06-05 18:22:34,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34" (1/1) ... [2021-06-05 18:22:34,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34" (1/1) ... [2021-06-05 18:22:34,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34" (1/1) ... [2021-06-05 18:22:34,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34" (1/1) ... [2021-06-05 18:22:34,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34" (1/1) ... [2021-06-05 18:22:34,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34" (1/1) ... [2021-06-05 18:22:34,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 18:22:34,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 18:22:34,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 18:22:34,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 18:22:34,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34" (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 [2021-06-05 18:22:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-06-05 18:22:34,810 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-06-05 18:22:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-06-05 18:22:34,810 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-06-05 18:22:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 18:22:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 18:22:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-06-05 18:22:34,811 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-06-05 18:22:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-05 18:22:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 18:22:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 18:22:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 18:22:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 18:22:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 18:22:34,813 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 18:22:35,708 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 18:22:35,708 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 18:22:35,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 06:22:35 BoogieIcfgContainer [2021-06-05 18:22:35,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 18:22:35,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 18:22:35,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 18:22:35,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 18:22:35,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 06:22:34" (1/3) ... [2021-06-05 18:22:35,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627b05a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 06:22:35, skipping insertion in model container [2021-06-05 18:22:35,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 06:22:34" (2/3) ... [2021-06-05 18:22:35,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627b05a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 06:22:35, skipping insertion in model container [2021-06-05 18:22:35,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 06:22:35" (3/3) ... [2021-06-05 18:22:35,717 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2021-06-05 18:22:35,721 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 18:22:35,721 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 18:22:35,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-05 18:22:35,722 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 18:22:35,766 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,766 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,766 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,766 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,767 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,767 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,767 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,767 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,767 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,767 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,768 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,768 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,768 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,768 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,768 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,768 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,769 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,769 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,769 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,770 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,770 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,770 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,770 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,771 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,771 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,771 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,771 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,771 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,772 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,772 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,773 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,773 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,773 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,773 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,774 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,774 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,774 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,774 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,774 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,775 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,775 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,775 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,775 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,775 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,775 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,775 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,776 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,776 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,776 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,776 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,776 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,777 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,777 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,777 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,777 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,777 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,778 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,778 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,778 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,778 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,778 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,778 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,779 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,779 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,779 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,779 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,779 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,779 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,779 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,780 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,780 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,780 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,780 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,780 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,781 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,781 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,781 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,781 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,781 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,782 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,782 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,782 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,782 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,782 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,782 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,783 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,783 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,783 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,783 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,784 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,784 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,784 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,784 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,785 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,786 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,787 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,788 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,788 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,788 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,792 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,792 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,792 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,793 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,793 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,793 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,793 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,793 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,793 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,793 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,793 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,794 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,794 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,795 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,795 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,795 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,795 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,795 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,795 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,795 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,795 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,796 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,796 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,796 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,796 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,797 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,797 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,797 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,797 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,797 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,797 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,797 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,797 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,798 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,798 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,798 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,798 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,798 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,798 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,798 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,798 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,803 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,803 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,803 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,803 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,803 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,803 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,803 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,803 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,804 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,804 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,804 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,804 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,804 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,804 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,804 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,805 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,805 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,805 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,805 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,805 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,806 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,806 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,806 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,807 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,807 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,807 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,808 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,808 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,808 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,808 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,808 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,808 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,808 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,808 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,809 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,809 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,809 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,809 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,809 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,809 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,809 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,809 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,809 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,809 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,810 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,811 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,811 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,811 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,811 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,811 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,811 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,811 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,812 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,812 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,812 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,812 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,812 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,812 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,813 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,813 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,813 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,813 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,813 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,813 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,813 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,813 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,814 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,814 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,814 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,814 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,820 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,820 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,820 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,820 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,820 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,821 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,821 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,821 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,821 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,821 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,821 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,822 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,825 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,825 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,825 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,825 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,826 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,826 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,827 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,827 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,827 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,828 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,828 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,828 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,828 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,828 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,828 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,829 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,829 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,829 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,829 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,829 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,829 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,829 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,829 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,830 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,830 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,830 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,830 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,830 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,830 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,831 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,831 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,831 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,831 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,831 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,831 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,831 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,831 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,831 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,832 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,832 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,832 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,832 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,832 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,832 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,833 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,833 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,833 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,833 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,833 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,833 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,834 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,834 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,834 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,834 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,834 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,834 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,835 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,835 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,835 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,835 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,835 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,835 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,835 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,835 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,835 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,836 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,836 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,836 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,836 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,836 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,836 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,837 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,837 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,837 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,837 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,837 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,837 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,837 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,837 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,838 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,838 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,838 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,838 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,838 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,838 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,838 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,839 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,839 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,839 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,839 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,839 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,839 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,839 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,839 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,839 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,839 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,840 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,840 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,840 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,840 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,840 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,840 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,840 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,840 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,841 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,841 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,841 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,841 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,841 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,841 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,841 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,841 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,842 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,842 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,842 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,842 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,842 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,842 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,842 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,842 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,842 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,843 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,843 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,843 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,843 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,843 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,843 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,843 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,843 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,844 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,848 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,848 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,848 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,848 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,848 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,849 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,849 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,849 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,849 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,849 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,849 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,849 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,849 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,849 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,850 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,850 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,850 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,850 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,850 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,850 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,850 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,850 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,851 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,851 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,851 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,851 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,851 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,851 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,851 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,851 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,852 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,852 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,852 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,852 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,852 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,854 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,854 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,854 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,854 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,855 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,855 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,855 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,855 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,855 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,855 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,855 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,855 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,855 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,856 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,856 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,856 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,856 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,856 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,856 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,858 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,858 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,858 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,858 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,858 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,858 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,858 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,858 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,859 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,859 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,859 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,859 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,859 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,859 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,859 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,859 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,860 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,860 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,860 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 18:22:35,875 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-06-05 18:22:35,895 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-05 18:22:35,916 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 18:22:35,916 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 18:22:35,916 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 18:22:35,916 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 18:22:35,916 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 18:22:35,916 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 18:22:35,916 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 18:22:35,917 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == qrcu_updater======== [2021-06-05 18:22:35,930 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 170 places, 184 transitions, 410 flow [2021-06-05 18:22:47,828 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 107259 states, 107256 states have (on average 4.101253076750951) internal successors, (439884), 107258 states have internal predecessors, (439884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:22:47,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 107259 states, 107256 states have (on average 4.101253076750951) internal successors, (439884), 107258 states have internal predecessors, (439884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:22:48,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 18:22:48,772 INFO L301 ceAbstractionStarter]: Result for error location qrcu_updater was SAFE (1/3) [2021-06-05 18:22:48,774 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-05 18:22:48,782 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 18:22:48,782 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 18:22:48,782 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 18:22:48,783 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 18:22:48,783 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 18:22:48,783 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 18:22:48,783 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 18:22:48,783 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-05 18:22:48,793 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 170 places, 184 transitions, 410 flow [2021-06-05 18:23:00,045 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 107259 states, 107256 states have (on average 4.101253076750951) internal successors, (439884), 107258 states have internal predecessors, (439884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 107259 states, 107256 states have (on average 4.101253076750951) internal successors, (439884), 107258 states have internal predecessors, (439884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:00,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 18:23:00,988 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-06-05 18:23:00,989 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-05 18:23:00,997 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 18:23:00,997 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 18:23:00,997 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 18:23:00,997 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 18:23:00,997 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 18:23:00,997 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 18:23:00,997 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 18:23:00,997 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == qrcu_updaterThread1of1ForFork0======== [2021-06-05 18:23:01,002 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 170 places, 184 transitions, 410 flow [2021-06-05 18:23:12,117 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 107259 states, 107256 states have (on average 4.101253076750951) internal successors, (439884), 107258 states have internal predecessors, (439884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 107259 states, 107256 states have (on average 4.101253076750951) internal successors, (439884), 107258 states have internal predecessors, (439884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:12,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 18:23:12,288 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:12,289 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:12,289 INFO L430 AbstractCegarLoop]: === Iteration 1 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:12,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:12,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1400416887, now seen corresponding path program 1 times [2021-06-05 18:23:12,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:12,300 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979701965] [2021-06-05 18:23:12,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:12,556 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:12,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979701965] [2021-06-05 18:23:12,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979701965] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:12,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:12,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 18:23:12,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17244881] [2021-06-05 18:23:12,561 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 18:23:12,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:12,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 18:23:12,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 18:23:12,718 INFO L87 Difference]: Start difference. First operand has 107259 states, 107256 states have (on average 4.101253076750951) internal successors, (439884), 107258 states have internal predecessors, (439884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:14,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:14,010 INFO L93 Difference]: Finished difference Result 136158 states and 522598 transitions. [2021-06-05 18:23:14,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 18:23:14,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-06-05 18:23:14,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:15,067 INFO L225 Difference]: With dead ends: 136158 [2021-06-05 18:23:15,068 INFO L226 Difference]: Without dead ends: 105928 [2021-06-05 18:23:15,070 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 18:23:17,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105928 states. [2021-06-05 18:23:20,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105928 to 93867. [2021-06-05 18:23:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93867 states, 93865 states have (on average 3.899472646886486) internal successors, (366024), 93866 states have internal predecessors, (366024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93867 states to 93867 states and 366024 transitions. [2021-06-05 18:23:20,813 INFO L78 Accepts]: Start accepts. Automaton has 93867 states and 366024 transitions. Word has length 55 [2021-06-05 18:23:20,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:20,814 INFO L482 AbstractCegarLoop]: Abstraction has 93867 states and 366024 transitions. [2021-06-05 18:23:20,814 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 93867 states and 366024 transitions. [2021-06-05 18:23:20,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-06-05 18:23:20,879 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:20,880 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:20,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 18:23:20,880 INFO L430 AbstractCegarLoop]: === Iteration 2 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:20,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:20,881 INFO L82 PathProgramCache]: Analyzing trace with hash 566486812, now seen corresponding path program 1 times [2021-06-05 18:23:20,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:20,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828988416] [2021-06-05 18:23:20,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:21,028 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:21,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828988416] [2021-06-05 18:23:21,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828988416] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:21,029 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:21,029 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 18:23:21,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953805292] [2021-06-05 18:23:21,030 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 18:23:21,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:21,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 18:23:21,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 18:23:21,031 INFO L87 Difference]: Start difference. First operand 93867 states and 366024 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:22,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:22,184 INFO L93 Difference]: Finished difference Result 92622 states and 361163 transitions. [2021-06-05 18:23:22,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 18:23:22,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-06-05 18:23:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:22,484 INFO L225 Difference]: With dead ends: 92622 [2021-06-05 18:23:22,484 INFO L226 Difference]: Without dead ends: 92622 [2021-06-05 18:23:22,485 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 18:23:24,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92622 states. [2021-06-05 18:23:26,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92622 to 92622. [2021-06-05 18:23:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92622 states, 92620 states have (on average 3.8994061757719716) internal successors, (361163), 92621 states have internal predecessors, (361163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:27,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92622 states to 92622 states and 361163 transitions. [2021-06-05 18:23:27,051 INFO L78 Accepts]: Start accepts. Automaton has 92622 states and 361163 transitions. Word has length 60 [2021-06-05 18:23:27,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:27,051 INFO L482 AbstractCegarLoop]: Abstraction has 92622 states and 361163 transitions. [2021-06-05 18:23:27,051 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 92622 states and 361163 transitions. [2021-06-05 18:23:27,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-06-05 18:23:27,089 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:27,089 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:27,089 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 18:23:27,090 INFO L430 AbstractCegarLoop]: === Iteration 3 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:27,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:27,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1282967431, now seen corresponding path program 1 times [2021-06-05 18:23:27,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:27,090 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129317107] [2021-06-05 18:23:27,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:27,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:27,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129317107] [2021-06-05 18:23:27,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129317107] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:27,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:27,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 18:23:27,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542349302] [2021-06-05 18:23:27,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 18:23:27,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:27,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 18:23:27,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 18:23:27,208 INFO L87 Difference]: Start difference. First operand 92622 states and 361163 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:28,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:28,581 INFO L93 Difference]: Finished difference Result 113020 states and 435314 transitions. [2021-06-05 18:23:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 18:23:28,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-06-05 18:23:28,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:29,224 INFO L225 Difference]: With dead ends: 113020 [2021-06-05 18:23:29,224 INFO L226 Difference]: Without dead ends: 107851 [2021-06-05 18:23:29,225 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 32.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 18:23:31,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107851 states. [2021-06-05 18:23:33,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107851 to 107718. [2021-06-05 18:23:33,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107718 states, 107716 states have (on average 3.8566415388614503) internal successors, (415422), 107717 states have internal predecessors, (415422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107718 states to 107718 states and 415422 transitions. [2021-06-05 18:23:34,416 INFO L78 Accepts]: Start accepts. Automaton has 107718 states and 415422 transitions. Word has length 63 [2021-06-05 18:23:34,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:34,416 INFO L482 AbstractCegarLoop]: Abstraction has 107718 states and 415422 transitions. [2021-06-05 18:23:34,417 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 107718 states and 415422 transitions. [2021-06-05 18:23:34,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-05 18:23:34,505 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:34,505 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:34,505 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 18:23:34,505 INFO L430 AbstractCegarLoop]: === Iteration 4 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:34,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:34,506 INFO L82 PathProgramCache]: Analyzing trace with hash -398924547, now seen corresponding path program 1 times [2021-06-05 18:23:34,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:34,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260841515] [2021-06-05 18:23:34,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:34,598 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:34,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260841515] [2021-06-05 18:23:34,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260841515] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:34,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:34,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 18:23:34,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12221454] [2021-06-05 18:23:34,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 18:23:34,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:34,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 18:23:34,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-05 18:23:34,600 INFO L87 Difference]: Start difference. First operand 107718 states and 415422 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:35,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:35,953 INFO L93 Difference]: Finished difference Result 115814 states and 439888 transitions. [2021-06-05 18:23:35,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 18:23:35,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-05 18:23:35,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:36,415 INFO L225 Difference]: With dead ends: 115814 [2021-06-05 18:23:36,415 INFO L226 Difference]: Without dead ends: 115782 [2021-06-05 18:23:36,416 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 38.8ms TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-05 18:23:38,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115782 states. [2021-06-05 18:23:40,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115782 to 112214. [2021-06-05 18:23:40,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112214 states, 112212 states have (on average 3.7985242220083415) internal successors, (426240), 112213 states have internal predecessors, (426240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112214 states to 112214 states and 426240 transitions. [2021-06-05 18:23:41,588 INFO L78 Accepts]: Start accepts. Automaton has 112214 states and 426240 transitions. Word has length 69 [2021-06-05 18:23:41,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:41,588 INFO L482 AbstractCegarLoop]: Abstraction has 112214 states and 426240 transitions. [2021-06-05 18:23:41,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:41,588 INFO L276 IsEmpty]: Start isEmpty. Operand 112214 states and 426240 transitions. [2021-06-05 18:23:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-05 18:23:41,694 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:41,694 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:41,695 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 18:23:41,695 INFO L430 AbstractCegarLoop]: === Iteration 5 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:41,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:41,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1639623555, now seen corresponding path program 1 times [2021-06-05 18:23:41,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:41,696 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499291292] [2021-06-05 18:23:41,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:41,885 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:41,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499291292] [2021-06-05 18:23:41,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499291292] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:41,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:41,885 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 18:23:41,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780011460] [2021-06-05 18:23:41,886 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 18:23:41,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:41,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 18:23:41,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 18:23:41,888 INFO L87 Difference]: Start difference. First operand 112214 states and 426240 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:42,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:42,794 INFO L93 Difference]: Finished difference Result 119990 states and 451910 transitions. [2021-06-05 18:23:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 18:23:42,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-05 18:23:42,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:43,156 INFO L225 Difference]: With dead ends: 119990 [2021-06-05 18:23:43,156 INFO L226 Difference]: Without dead ends: 119990 [2021-06-05 18:23:43,156 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 64.7ms TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-05 18:23:45,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119990 states. [2021-06-05 18:23:47,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119990 to 111423. [2021-06-05 18:23:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111423 states, 111421 states have (on average 3.792040997657533) internal successors, (422513), 111422 states have internal predecessors, (422513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111423 states to 111423 states and 422513 transitions. [2021-06-05 18:23:48,486 INFO L78 Accepts]: Start accepts. Automaton has 111423 states and 422513 transitions. Word has length 69 [2021-06-05 18:23:48,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:48,487 INFO L482 AbstractCegarLoop]: Abstraction has 111423 states and 422513 transitions. [2021-06-05 18:23:48,487 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 111423 states and 422513 transitions. [2021-06-05 18:23:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-05 18:23:48,596 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:48,596 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:48,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 18:23:48,596 INFO L430 AbstractCegarLoop]: === Iteration 6 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:48,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:48,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1506439685, now seen corresponding path program 2 times [2021-06-05 18:23:48,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:48,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397267912] [2021-06-05 18:23:48,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:48,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:48,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397267912] [2021-06-05 18:23:48,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397267912] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:48,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:48,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 18:23:48,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909397081] [2021-06-05 18:23:48,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 18:23:48,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:48,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 18:23:48,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-05 18:23:48,714 INFO L87 Difference]: Start difference. First operand 111423 states and 422513 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:50,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:50,194 INFO L93 Difference]: Finished difference Result 136612 states and 511856 transitions. [2021-06-05 18:23:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 18:23:50,194 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-05 18:23:50,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:50,363 INFO L225 Difference]: With dead ends: 136612 [2021-06-05 18:23:50,363 INFO L226 Difference]: Without dead ends: 59635 [2021-06-05 18:23:50,363 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 59.9ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 18:23:50,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59635 states. [2021-06-05 18:23:51,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59635 to 59103. [2021-06-05 18:23:51,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59103 states, 59101 states have (on average 3.5635437640649057) internal successors, (210609), 59102 states have internal predecessors, (210609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59103 states to 59103 states and 210609 transitions. [2021-06-05 18:23:51,845 INFO L78 Accepts]: Start accepts. Automaton has 59103 states and 210609 transitions. Word has length 69 [2021-06-05 18:23:51,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:51,845 INFO L482 AbstractCegarLoop]: Abstraction has 59103 states and 210609 transitions. [2021-06-05 18:23:51,845 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand 59103 states and 210609 transitions. [2021-06-05 18:23:51,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-06-05 18:23:51,879 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:51,879 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:51,879 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 18:23:51,879 INFO L430 AbstractCegarLoop]: === Iteration 7 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:51,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:51,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1882083365, now seen corresponding path program 1 times [2021-06-05 18:23:51,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:51,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21303673] [2021-06-05 18:23:51,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:51,919 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:51,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21303673] [2021-06-05 18:23:51,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21303673] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:51,921 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:51,921 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 18:23:51,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923927111] [2021-06-05 18:23:51,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 18:23:51,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:51,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 18:23:51,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 18:23:51,922 INFO L87 Difference]: Start difference. First operand 59103 states and 210609 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:52,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:52,224 INFO L93 Difference]: Finished difference Result 59103 states and 210104 transitions. [2021-06-05 18:23:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 18:23:52,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-06-05 18:23:52,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:52,335 INFO L225 Difference]: With dead ends: 59103 [2021-06-05 18:23:52,335 INFO L226 Difference]: Without dead ends: 42798 [2021-06-05 18:23:52,336 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 18:23:53,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42798 states. [2021-06-05 18:23:53,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42798 to 38148. [2021-06-05 18:23:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38148 states, 38146 states have (on average 3.492161694542023) internal successors, (133212), 38147 states have internal predecessors, (133212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:53,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38148 states to 38148 states and 133212 transitions. [2021-06-05 18:23:53,628 INFO L78 Accepts]: Start accepts. Automaton has 38148 states and 133212 transitions. Word has length 71 [2021-06-05 18:23:53,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:53,628 INFO L482 AbstractCegarLoop]: Abstraction has 38148 states and 133212 transitions. [2021-06-05 18:23:53,628 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 38148 states and 133212 transitions. [2021-06-05 18:23:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-06-05 18:23:53,661 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:53,661 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:53,661 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 18:23:53,661 INFO L430 AbstractCegarLoop]: === Iteration 8 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:53,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:53,662 INFO L82 PathProgramCache]: Analyzing trace with hash 735931245, now seen corresponding path program 1 times [2021-06-05 18:23:53,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:53,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524477595] [2021-06-05 18:23:53,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:53,726 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:53,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524477595] [2021-06-05 18:23:53,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524477595] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:53,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:53,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 18:23:53,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85915724] [2021-06-05 18:23:53,727 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 18:23:53,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:53,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 18:23:53,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 18:23:53,728 INFO L87 Difference]: Start difference. First operand 38148 states and 133212 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:54,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:54,491 INFO L93 Difference]: Finished difference Result 56525 states and 198218 transitions. [2021-06-05 18:23:54,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 18:23:54,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-06-05 18:23:54,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:54,546 INFO L225 Difference]: With dead ends: 56525 [2021-06-05 18:23:54,546 INFO L226 Difference]: Without dead ends: 20903 [2021-06-05 18:23:54,549 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-05 18:23:54,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20903 states. [2021-06-05 18:23:54,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20903 to 19239. [2021-06-05 18:23:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19239 states, 19237 states have (on average 3.2243593075843426) internal successors, (62027), 19238 states have internal predecessors, (62027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19239 states to 19239 states and 62027 transitions. [2021-06-05 18:23:54,959 INFO L78 Accepts]: Start accepts. Automaton has 19239 states and 62027 transitions. Word has length 74 [2021-06-05 18:23:54,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:54,959 INFO L482 AbstractCegarLoop]: Abstraction has 19239 states and 62027 transitions. [2021-06-05 18:23:54,959 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 19239 states and 62027 transitions. [2021-06-05 18:23:54,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-06-05 18:23:54,983 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:54,984 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:54,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 18:23:54,984 INFO L430 AbstractCegarLoop]: === Iteration 9 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:54,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:54,984 INFO L82 PathProgramCache]: Analyzing trace with hash 527621088, now seen corresponding path program 1 times [2021-06-05 18:23:54,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:54,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019492769] [2021-06-05 18:23:54,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:55,021 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:55,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019492769] [2021-06-05 18:23:55,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019492769] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:55,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:55,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 18:23:55,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214752762] [2021-06-05 18:23:55,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 18:23:55,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:55,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 18:23:55,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 18:23:55,023 INFO L87 Difference]: Start difference. First operand 19239 states and 62027 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:55,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:55,117 INFO L93 Difference]: Finished difference Result 18328 states and 59183 transitions. [2021-06-05 18:23:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 18:23:55,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-06-05 18:23:55,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:55,151 INFO L225 Difference]: With dead ends: 18328 [2021-06-05 18:23:55,152 INFO L226 Difference]: Without dead ends: 18328 [2021-06-05 18:23:55,152 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 18:23:55,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18328 states. [2021-06-05 18:23:55,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18328 to 18049. [2021-06-05 18:23:55,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18049 states, 18047 states have (on average 3.2459688590901536) internal successors, (58580), 18048 states have internal predecessors, (58580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:55,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18049 states to 18049 states and 58580 transitions. [2021-06-05 18:23:55,493 INFO L78 Accepts]: Start accepts. Automaton has 18049 states and 58580 transitions. Word has length 77 [2021-06-05 18:23:55,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:55,494 INFO L482 AbstractCegarLoop]: Abstraction has 18049 states and 58580 transitions. [2021-06-05 18:23:55,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:55,494 INFO L276 IsEmpty]: Start isEmpty. Operand 18049 states and 58580 transitions. [2021-06-05 18:23:55,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-06-05 18:23:55,516 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:55,516 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:55,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 18:23:55,517 INFO L430 AbstractCegarLoop]: === Iteration 10 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:55,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:55,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1833917536, now seen corresponding path program 1 times [2021-06-05 18:23:55,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:55,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409940819] [2021-06-05 18:23:55,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:55,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:55,556 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:55,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409940819] [2021-06-05 18:23:55,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409940819] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:55,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:55,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 18:23:55,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828176177] [2021-06-05 18:23:55,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 18:23:55,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:55,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 18:23:55,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 18:23:55,558 INFO L87 Difference]: Start difference. First operand 18049 states and 58580 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:55,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:55,641 INFO L93 Difference]: Finished difference Result 18158 states and 58368 transitions. [2021-06-05 18:23:55,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 18:23:55,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-06-05 18:23:55,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:55,942 INFO L225 Difference]: With dead ends: 18158 [2021-06-05 18:23:55,942 INFO L226 Difference]: Without dead ends: 18158 [2021-06-05 18:23:55,942 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 18:23:56,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18158 states. [2021-06-05 18:23:56,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18158 to 17879. [2021-06-05 18:23:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17879 states, 17877 states have (on average 3.2312468534989094) internal successors, (57765), 17878 states have internal predecessors, (57765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17879 states to 17879 states and 57765 transitions. [2021-06-05 18:23:56,222 INFO L78 Accepts]: Start accepts. Automaton has 17879 states and 57765 transitions. Word has length 77 [2021-06-05 18:23:56,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:56,223 INFO L482 AbstractCegarLoop]: Abstraction has 17879 states and 57765 transitions. [2021-06-05 18:23:56,223 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:56,223 INFO L276 IsEmpty]: Start isEmpty. Operand 17879 states and 57765 transitions. [2021-06-05 18:23:56,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-06-05 18:23:56,246 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:56,246 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:56,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 18:23:56,246 INFO L430 AbstractCegarLoop]: === Iteration 11 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:56,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:56,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1834930430, now seen corresponding path program 1 times [2021-06-05 18:23:56,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:56,246 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004008929] [2021-06-05 18:23:56,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:56,288 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:56,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004008929] [2021-06-05 18:23:56,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004008929] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:56,288 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:56,288 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 18:23:56,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228102875] [2021-06-05 18:23:56,289 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 18:23:56,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:56,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 18:23:56,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 18:23:56,289 INFO L87 Difference]: Start difference. First operand 17879 states and 57765 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:56,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:56,441 INFO L93 Difference]: Finished difference Result 18060 states and 57752 transitions. [2021-06-05 18:23:56,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 18:23:56,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-06-05 18:23:56,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:56,479 INFO L225 Difference]: With dead ends: 18060 [2021-06-05 18:23:56,479 INFO L226 Difference]: Without dead ends: 17820 [2021-06-05 18:23:56,479 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.6ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-05 18:23:56,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17820 states. [2021-06-05 18:23:56,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17820 to 16473. [2021-06-05 18:23:56,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16473 states, 16471 states have (on average 3.2634934126646833) internal successors, (53753), 16472 states have internal predecessors, (53753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16473 states to 16473 states and 53753 transitions. [2021-06-05 18:23:56,766 INFO L78 Accepts]: Start accepts. Automaton has 16473 states and 53753 transitions. Word has length 77 [2021-06-05 18:23:56,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:56,766 INFO L482 AbstractCegarLoop]: Abstraction has 16473 states and 53753 transitions. [2021-06-05 18:23:56,767 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:56,767 INFO L276 IsEmpty]: Start isEmpty. Operand 16473 states and 53753 transitions. [2021-06-05 18:23:56,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 18:23:56,788 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:56,788 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:56,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 18:23:56,788 INFO L430 AbstractCegarLoop]: === Iteration 12 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:56,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:56,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1643343059, now seen corresponding path program 1 times [2021-06-05 18:23:56,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:56,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387054957] [2021-06-05 18:23:56,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:56,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:56,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387054957] [2021-06-05 18:23:56,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387054957] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:56,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:56,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-05 18:23:56,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128074376] [2021-06-05 18:23:56,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 18:23:56,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:56,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 18:23:56,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-05 18:23:56,891 INFO L87 Difference]: Start difference. First operand 16473 states and 53753 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:57,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:57,150 INFO L93 Difference]: Finished difference Result 17507 states and 56416 transitions. [2021-06-05 18:23:57,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 18:23:57,151 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 18:23:57,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:57,185 INFO L225 Difference]: With dead ends: 17507 [2021-06-05 18:23:57,186 INFO L226 Difference]: Without dead ends: 17507 [2021-06-05 18:23:57,186 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 80.5ms TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-06-05 18:23:57,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17507 states. [2021-06-05 18:23:57,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17507 to 16516. [2021-06-05 18:23:57,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16516 states, 16514 states have (on average 3.2620201041540513) internal successors, (53869), 16515 states have internal predecessors, (53869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:57,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16516 states to 16516 states and 53869 transitions. [2021-06-05 18:23:57,561 INFO L78 Accepts]: Start accepts. Automaton has 16516 states and 53869 transitions. Word has length 80 [2021-06-05 18:23:57,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:57,561 INFO L482 AbstractCegarLoop]: Abstraction has 16516 states and 53869 transitions. [2021-06-05 18:23:57,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:57,561 INFO L276 IsEmpty]: Start isEmpty. Operand 16516 states and 53869 transitions. [2021-06-05 18:23:57,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 18:23:57,583 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:57,583 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:57,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-05 18:23:57,584 INFO L430 AbstractCegarLoop]: === Iteration 13 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:57,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:57,584 INFO L82 PathProgramCache]: Analyzing trace with hash -574527521, now seen corresponding path program 2 times [2021-06-05 18:23:57,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:57,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930145148] [2021-06-05 18:23:57,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:57,703 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:57,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930145148] [2021-06-05 18:23:57,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930145148] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:57,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:57,704 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 18:23:57,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840956139] [2021-06-05 18:23:57,704 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 18:23:57,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:57,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 18:23:57,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-06-05 18:23:57,705 INFO L87 Difference]: Start difference. First operand 16516 states and 53869 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:58,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:58,037 INFO L93 Difference]: Finished difference Result 20249 states and 65024 transitions. [2021-06-05 18:23:58,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 18:23:58,037 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 18:23:58,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:58,080 INFO L225 Difference]: With dead ends: 20249 [2021-06-05 18:23:58,080 INFO L226 Difference]: Without dead ends: 20249 [2021-06-05 18:23:58,081 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 112.8ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-06-05 18:23:58,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20249 states. [2021-06-05 18:23:58,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20249 to 17068. [2021-06-05 18:23:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17068 states, 17066 states have (on average 3.270713699753897) internal successors, (55818), 17067 states have internal predecessors, (55818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17068 states to 17068 states and 55818 transitions. [2021-06-05 18:23:58,396 INFO L78 Accepts]: Start accepts. Automaton has 17068 states and 55818 transitions. Word has length 80 [2021-06-05 18:23:58,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:58,396 INFO L482 AbstractCegarLoop]: Abstraction has 17068 states and 55818 transitions. [2021-06-05 18:23:58,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 17068 states and 55818 transitions. [2021-06-05 18:23:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 18:23:58,419 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:58,419 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:58,419 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-05 18:23:58,420 INFO L430 AbstractCegarLoop]: === Iteration 14 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:58,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:58,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1100980875, now seen corresponding path program 3 times [2021-06-05 18:23:58,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:58,420 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874241857] [2021-06-05 18:23:58,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:58,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:58,525 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:58,525 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874241857] [2021-06-05 18:23:58,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874241857] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:58,525 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:58,525 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 18:23:58,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99577370] [2021-06-05 18:23:58,525 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 18:23:58,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:58,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 18:23:58,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-06-05 18:23:58,526 INFO L87 Difference]: Start difference. First operand 17068 states and 55818 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:59,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:59,021 INFO L93 Difference]: Finished difference Result 20167 states and 64836 transitions. [2021-06-05 18:23:59,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 18:23:59,022 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 18:23:59,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:59,063 INFO L225 Difference]: With dead ends: 20167 [2021-06-05 18:23:59,063 INFO L226 Difference]: Without dead ends: 20167 [2021-06-05 18:23:59,064 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 121.3ms TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2021-06-05 18:23:59,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20167 states. [2021-06-05 18:23:59,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20167 to 17575. [2021-06-05 18:23:59,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17575 states, 17573 states have (on average 3.253798440789848) internal successors, (57179), 17574 states have internal predecessors, (57179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:59,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17575 states to 17575 states and 57179 transitions. [2021-06-05 18:23:59,377 INFO L78 Accepts]: Start accepts. Automaton has 17575 states and 57179 transitions. Word has length 80 [2021-06-05 18:23:59,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:23:59,378 INFO L482 AbstractCegarLoop]: Abstraction has 17575 states and 57179 transitions. [2021-06-05 18:23:59,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:59,378 INFO L276 IsEmpty]: Start isEmpty. Operand 17575 states and 57179 transitions. [2021-06-05 18:23:59,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 18:23:59,401 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:23:59,401 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:23:59,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-05 18:23:59,401 INFO L430 AbstractCegarLoop]: === Iteration 15 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:23:59,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:23:59,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1964715603, now seen corresponding path program 1 times [2021-06-05 18:23:59,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:23:59,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881317568] [2021-06-05 18:23:59,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:23:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:23:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:23:59,508 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:23:59,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881317568] [2021-06-05 18:23:59,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881317568] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:23:59,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:23:59,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 18:23:59,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393984909] [2021-06-05 18:23:59,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 18:23:59,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:23:59,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 18:23:59,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-05 18:23:59,509 INFO L87 Difference]: Start difference. First operand 17575 states and 57179 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:23:59,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:23:59,803 INFO L93 Difference]: Finished difference Result 18109 states and 58406 transitions. [2021-06-05 18:23:59,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 18:23:59,804 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 18:23:59,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:23:59,842 INFO L225 Difference]: With dead ends: 18109 [2021-06-05 18:23:59,842 INFO L226 Difference]: Without dead ends: 18109 [2021-06-05 18:23:59,844 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 113.8ms TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2021-06-05 18:23:59,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18109 states. [2021-06-05 18:24:00,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18109 to 17618. [2021-06-05 18:24:00,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17618 states, 17616 states have (on average 3.2524409627611264) internal successors, (57295), 17617 states have internal predecessors, (57295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:00,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17618 states to 17618 states and 57295 transitions. [2021-06-05 18:24:00,154 INFO L78 Accepts]: Start accepts. Automaton has 17618 states and 57295 transitions. Word has length 80 [2021-06-05 18:24:00,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:00,155 INFO L482 AbstractCegarLoop]: Abstraction has 17618 states and 57295 transitions. [2021-06-05 18:24:00,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:00,155 INFO L276 IsEmpty]: Start isEmpty. Operand 17618 states and 57295 transitions. [2021-06-05 18:24:00,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 18:24:00,178 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:00,178 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:00,178 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-05 18:24:00,179 INFO L430 AbstractCegarLoop]: === Iteration 16 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:00,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:00,179 INFO L82 PathProgramCache]: Analyzing trace with hash -556986819, now seen corresponding path program 2 times [2021-06-05 18:24:00,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:00,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509249860] [2021-06-05 18:24:00,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:00,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:00,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:00,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509249860] [2021-06-05 18:24:00,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509249860] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:00,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:00,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 18:24:00,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646703366] [2021-06-05 18:24:00,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 18:24:00,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:00,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 18:24:00,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-05 18:24:00,285 INFO L87 Difference]: Start difference. First operand 17618 states and 57295 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:00,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:00,815 INFO L93 Difference]: Finished difference Result 19771 states and 63757 transitions. [2021-06-05 18:24:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 18:24:00,815 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 18:24:00,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:00,857 INFO L225 Difference]: With dead ends: 19771 [2021-06-05 18:24:00,857 INFO L226 Difference]: Without dead ends: 19771 [2021-06-05 18:24:00,857 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 190.1ms TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2021-06-05 18:24:00,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19771 states. [2021-06-05 18:24:01,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19771 to 17740. [2021-06-05 18:24:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17740 states, 17738 states have (on average 3.2573570864810013) internal successors, (57779), 17739 states have internal predecessors, (57779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17740 states to 17740 states and 57779 transitions. [2021-06-05 18:24:01,265 INFO L78 Accepts]: Start accepts. Automaton has 17740 states and 57779 transitions. Word has length 80 [2021-06-05 18:24:01,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:01,265 INFO L482 AbstractCegarLoop]: Abstraction has 17740 states and 57779 transitions. [2021-06-05 18:24:01,265 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 17740 states and 57779 transitions. [2021-06-05 18:24:01,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 18:24:01,294 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:01,294 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:01,294 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-05 18:24:01,294 INFO L430 AbstractCegarLoop]: === Iteration 17 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:01,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:01,295 INFO L82 PathProgramCache]: Analyzing trace with hash 77032891, now seen corresponding path program 4 times [2021-06-05 18:24:01,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:01,295 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932813246] [2021-06-05 18:24:01,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:01,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:01,420 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:01,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932813246] [2021-06-05 18:24:01,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932813246] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:01,420 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:01,420 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 18:24:01,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480149968] [2021-06-05 18:24:01,421 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 18:24:01,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:01,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 18:24:01,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-06-05 18:24:01,421 INFO L87 Difference]: Start difference. First operand 17740 states and 57779 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:01,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:01,801 INFO L93 Difference]: Finished difference Result 22688 states and 72875 transitions. [2021-06-05 18:24:01,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 18:24:01,802 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 18:24:01,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:01,848 INFO L225 Difference]: With dead ends: 22688 [2021-06-05 18:24:01,849 INFO L226 Difference]: Without dead ends: 22688 [2021-06-05 18:24:01,849 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 115.0ms TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-06-05 18:24:01,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22688 states. [2021-06-05 18:24:02,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22688 to 17736. [2021-06-05 18:24:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17736 states, 17734 states have (on average 3.2572459681966843) internal successors, (57764), 17735 states have internal predecessors, (57764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17736 states to 17736 states and 57764 transitions. [2021-06-05 18:24:02,330 INFO L78 Accepts]: Start accepts. Automaton has 17736 states and 57764 transitions. Word has length 80 [2021-06-05 18:24:02,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:02,330 INFO L482 AbstractCegarLoop]: Abstraction has 17736 states and 57764 transitions. [2021-06-05 18:24:02,331 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 17736 states and 57764 transitions. [2021-06-05 18:24:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 18:24:02,354 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:02,354 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:02,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-05 18:24:02,354 INFO L430 AbstractCegarLoop]: === Iteration 18 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:02,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:02,354 INFO L82 PathProgramCache]: Analyzing trace with hash -449420463, now seen corresponding path program 5 times [2021-06-05 18:24:02,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:02,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552453530] [2021-06-05 18:24:02,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:02,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:02,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552453530] [2021-06-05 18:24:02,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552453530] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:02,461 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:02,461 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 18:24:02,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207438717] [2021-06-05 18:24:02,461 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 18:24:02,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:02,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 18:24:02,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-06-05 18:24:02,462 INFO L87 Difference]: Start difference. First operand 17736 states and 57764 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:02,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:02,836 INFO L93 Difference]: Finished difference Result 19984 states and 64446 transitions. [2021-06-05 18:24:02,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 18:24:02,836 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 18:24:02,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:02,870 INFO L225 Difference]: With dead ends: 19984 [2021-06-05 18:24:02,870 INFO L226 Difference]: Without dead ends: 19984 [2021-06-05 18:24:02,870 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 129.4ms TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-06-05 18:24:02,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19984 states. [2021-06-05 18:24:03,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19984 to 18025. [2021-06-05 18:24:03,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18025 states, 18023 states have (on average 3.245519613826777) internal successors, (58494), 18024 states have internal predecessors, (58494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:03,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18025 states to 18025 states and 58494 transitions. [2021-06-05 18:24:03,192 INFO L78 Accepts]: Start accepts. Automaton has 18025 states and 58494 transitions. Word has length 80 [2021-06-05 18:24:03,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:03,192 INFO L482 AbstractCegarLoop]: Abstraction has 18025 states and 58494 transitions. [2021-06-05 18:24:03,192 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:03,192 INFO L276 IsEmpty]: Start isEmpty. Operand 18025 states and 58494 transitions. [2021-06-05 18:24:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 18:24:03,218 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:03,218 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:03,218 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-05 18:24:03,218 INFO L430 AbstractCegarLoop]: === Iteration 19 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:03,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:03,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1082545819, now seen corresponding path program 3 times [2021-06-05 18:24:03,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:03,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282298082] [2021-06-05 18:24:03,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:03,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:03,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282298082] [2021-06-05 18:24:03,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282298082] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:03,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:03,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 18:24:03,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305557246] [2021-06-05 18:24:03,327 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 18:24:03,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:03,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 18:24:03,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 18:24:03,327 INFO L87 Difference]: Start difference. First operand 18025 states and 58494 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:03,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:03,772 INFO L93 Difference]: Finished difference Result 22045 states and 71149 transitions. [2021-06-05 18:24:03,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 18:24:03,773 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 18:24:03,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:03,810 INFO L225 Difference]: With dead ends: 22045 [2021-06-05 18:24:03,810 INFO L226 Difference]: Without dead ends: 22045 [2021-06-05 18:24:03,810 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 147.6ms TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2021-06-05 18:24:04,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22045 states. [2021-06-05 18:24:04,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22045 to 16824. [2021-06-05 18:24:04,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16824 states, 16822 states have (on average 3.2490785875639046) internal successors, (54656), 16823 states have internal predecessors, (54656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:04,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16824 states to 16824 states and 54656 transitions. [2021-06-05 18:24:04,378 INFO L78 Accepts]: Start accepts. Automaton has 16824 states and 54656 transitions. Word has length 80 [2021-06-05 18:24:04,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:04,378 INFO L482 AbstractCegarLoop]: Abstraction has 16824 states and 54656 transitions. [2021-06-05 18:24:04,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:04,378 INFO L276 IsEmpty]: Start isEmpty. Operand 16824 states and 54656 transitions. [2021-06-05 18:24:04,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 18:24:04,401 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:04,401 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:04,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-05 18:24:04,402 INFO L430 AbstractCegarLoop]: === Iteration 20 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:04,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:04,402 INFO L82 PathProgramCache]: Analyzing trace with hash -338879573, now seen corresponding path program 6 times [2021-06-05 18:24:04,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:04,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076068256] [2021-06-05 18:24:04,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:04,500 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:04,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076068256] [2021-06-05 18:24:04,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076068256] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:04,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:04,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 18:24:04,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280954796] [2021-06-05 18:24:04,501 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 18:24:04,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:04,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 18:24:04,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-06-05 18:24:04,502 INFO L87 Difference]: Start difference. First operand 16824 states and 54656 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:04,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:04,845 INFO L93 Difference]: Finished difference Result 18541 states and 59862 transitions. [2021-06-05 18:24:04,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 18:24:04,845 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 18:24:04,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:04,880 INFO L225 Difference]: With dead ends: 18541 [2021-06-05 18:24:04,880 INFO L226 Difference]: Without dead ends: 18265 [2021-06-05 18:24:04,881 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 123.0ms TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2021-06-05 18:24:04,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18265 states. [2021-06-05 18:24:05,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18265 to 16503. [2021-06-05 18:24:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16503 states, 16501 states have (on average 3.242773165262711) internal successors, (53509), 16502 states have internal predecessors, (53509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16503 states to 16503 states and 53509 transitions. [2021-06-05 18:24:05,177 INFO L78 Accepts]: Start accepts. Automaton has 16503 states and 53509 transitions. Word has length 80 [2021-06-05 18:24:05,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:05,178 INFO L482 AbstractCegarLoop]: Abstraction has 16503 states and 53509 transitions. [2021-06-05 18:24:05,178 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:05,178 INFO L276 IsEmpty]: Start isEmpty. Operand 16503 states and 53509 transitions. [2021-06-05 18:24:05,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 18:24:05,200 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:05,200 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:05,200 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-05 18:24:05,200 INFO L430 AbstractCegarLoop]: === Iteration 21 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:05,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:05,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1579578581, now seen corresponding path program 4 times [2021-06-05 18:24:05,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:05,201 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245307499] [2021-06-05 18:24:05,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:05,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:05,302 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:05,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245307499] [2021-06-05 18:24:05,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245307499] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:05,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:05,303 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 18:24:05,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744265745] [2021-06-05 18:24:05,303 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 18:24:05,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:05,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 18:24:05,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-05 18:24:05,304 INFO L87 Difference]: Start difference. First operand 16503 states and 53509 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:05,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:05,863 INFO L93 Difference]: Finished difference Result 17880 states and 57935 transitions. [2021-06-05 18:24:05,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 18:24:05,863 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 18:24:05,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:05,893 INFO L225 Difference]: With dead ends: 17880 [2021-06-05 18:24:05,893 INFO L226 Difference]: Without dead ends: 17880 [2021-06-05 18:24:05,893 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 146.5ms TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2021-06-05 18:24:05,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17880 states. [2021-06-05 18:24:06,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17880 to 16062. [2021-06-05 18:24:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16062 states, 16060 states have (on average 3.2597135740971357) internal successors, (52351), 16061 states have internal predecessors, (52351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:06,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16062 states to 16062 states and 52351 transitions. [2021-06-05 18:24:06,169 INFO L78 Accepts]: Start accepts. Automaton has 16062 states and 52351 transitions. Word has length 80 [2021-06-05 18:24:06,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:06,169 INFO L482 AbstractCegarLoop]: Abstraction has 16062 states and 52351 transitions. [2021-06-05 18:24:06,169 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:06,169 INFO L276 IsEmpty]: Start isEmpty. Operand 16062 states and 52351 transitions. [2021-06-05 18:24:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-06-05 18:24:06,190 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:06,190 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:06,190 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-05 18:24:06,191 INFO L430 AbstractCegarLoop]: === Iteration 22 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:06,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:06,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1349824490, now seen corresponding path program 1 times [2021-06-05 18:24:06,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:06,191 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616292663] [2021-06-05 18:24:06,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:06,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:06,284 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:06,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616292663] [2021-06-05 18:24:06,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616292663] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:06,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:06,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 18:24:06,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770616201] [2021-06-05 18:24:06,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 18:24:06,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:06,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 18:24:06,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-06-05 18:24:06,286 INFO L87 Difference]: Start difference. First operand 16062 states and 52351 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:06,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:06,579 INFO L93 Difference]: Finished difference Result 18280 states and 58875 transitions. [2021-06-05 18:24:06,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 18:24:06,580 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-06-05 18:24:06,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:06,612 INFO L225 Difference]: With dead ends: 18280 [2021-06-05 18:24:06,612 INFO L226 Difference]: Without dead ends: 18004 [2021-06-05 18:24:06,612 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 115.0ms TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2021-06-05 18:24:06,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18004 states. [2021-06-05 18:24:06,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18004 to 16212. [2021-06-05 18:24:06,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16212 states, 16210 states have (on average 3.2336212214682294) internal successors, (52417), 16211 states have internal predecessors, (52417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:06,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16212 states to 16212 states and 52417 transitions. [2021-06-05 18:24:06,906 INFO L78 Accepts]: Start accepts. Automaton has 16212 states and 52417 transitions. Word has length 83 [2021-06-05 18:24:06,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:06,906 INFO L482 AbstractCegarLoop]: Abstraction has 16212 states and 52417 transitions. [2021-06-05 18:24:06,906 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 16212 states and 52417 transitions. [2021-06-05 18:24:06,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-06-05 18:24:06,928 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:06,928 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:06,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-05 18:24:06,929 INFO L430 AbstractCegarLoop]: === Iteration 23 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:06,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:06,929 INFO L82 PathProgramCache]: Analyzing trace with hash -2120740758, now seen corresponding path program 1 times [2021-06-05 18:24:06,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:06,929 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995237190] [2021-06-05 18:24:06,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:07,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:07,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:07,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995237190] [2021-06-05 18:24:07,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995237190] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:07,027 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:07,027 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 18:24:07,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859665643] [2021-06-05 18:24:07,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 18:24:07,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:07,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 18:24:07,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-05 18:24:07,028 INFO L87 Difference]: Start difference. First operand 16212 states and 52417 transitions. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:07,315 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-06-05 18:24:07,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:07,482 INFO L93 Difference]: Finished difference Result 17616 states and 56917 transitions. [2021-06-05 18:24:07,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 18:24:07,482 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-06-05 18:24:07,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:07,514 INFO L225 Difference]: With dead ends: 17616 [2021-06-05 18:24:07,514 INFO L226 Difference]: Without dead ends: 17616 [2021-06-05 18:24:07,515 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 251.4ms TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2021-06-05 18:24:07,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17616 states. [2021-06-05 18:24:07,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17616 to 16107. [2021-06-05 18:24:07,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16107 states, 16105 states have (on average 3.2376280658180687) internal successors, (52142), 16106 states have internal predecessors, (52142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:07,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16107 states to 16107 states and 52142 transitions. [2021-06-05 18:24:07,802 INFO L78 Accepts]: Start accepts. Automaton has 16107 states and 52142 transitions. Word has length 83 [2021-06-05 18:24:07,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:07,802 INFO L482 AbstractCegarLoop]: Abstraction has 16107 states and 52142 transitions. [2021-06-05 18:24:07,802 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 16107 states and 52142 transitions. [2021-06-05 18:24:07,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-06-05 18:24:07,825 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:07,826 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:07,826 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-05 18:24:07,826 INFO L430 AbstractCegarLoop]: === Iteration 24 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:07,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:07,827 INFO L82 PathProgramCache]: Analyzing trace with hash 431227184, now seen corresponding path program 2 times [2021-06-05 18:24:07,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:07,827 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627309378] [2021-06-05 18:24:07,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:07,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:07,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627309378] [2021-06-05 18:24:07,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627309378] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:07,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:07,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 18:24:07,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509610934] [2021-06-05 18:24:07,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 18:24:07,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:07,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 18:24:07,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-06-05 18:24:07,932 INFO L87 Difference]: Start difference. First operand 16107 states and 52142 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:08,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:08,259 INFO L93 Difference]: Finished difference Result 17749 states and 57301 transitions. [2021-06-05 18:24:08,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 18:24:08,260 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-06-05 18:24:08,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:08,291 INFO L225 Difference]: With dead ends: 17749 [2021-06-05 18:24:08,291 INFO L226 Difference]: Without dead ends: 17749 [2021-06-05 18:24:08,291 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 117.9ms TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-06-05 18:24:08,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17749 states. [2021-06-05 18:24:08,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17749 to 16062. [2021-06-05 18:24:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16062 states, 16060 states have (on average 3.240161892901619) internal successors, (52037), 16061 states have internal predecessors, (52037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:08,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16062 states to 16062 states and 52037 transitions. [2021-06-05 18:24:08,581 INFO L78 Accepts]: Start accepts. Automaton has 16062 states and 52037 transitions. Word has length 83 [2021-06-05 18:24:08,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:08,581 INFO L482 AbstractCegarLoop]: Abstraction has 16062 states and 52037 transitions. [2021-06-05 18:24:08,581 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:08,581 INFO L276 IsEmpty]: Start isEmpty. Operand 16062 states and 52037 transitions. [2021-06-05 18:24:08,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-06-05 18:24:08,603 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:08,603 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:08,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-05 18:24:08,603 INFO L430 AbstractCegarLoop]: === Iteration 25 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:08,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:08,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1255629232, now seen corresponding path program 2 times [2021-06-05 18:24:08,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:08,604 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564967039] [2021-06-05 18:24:08,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:08,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:08,702 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:08,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564967039] [2021-06-05 18:24:08,702 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564967039] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:08,702 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:08,702 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 18:24:08,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173106929] [2021-06-05 18:24:08,702 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 18:24:08,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:08,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 18:24:08,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-05 18:24:08,703 INFO L87 Difference]: Start difference. First operand 16062 states and 52037 transitions. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:09,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:09,214 INFO L93 Difference]: Finished difference Result 17289 states and 56133 transitions. [2021-06-05 18:24:09,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 18:24:09,214 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-06-05 18:24:09,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:09,251 INFO L225 Difference]: With dead ends: 17289 [2021-06-05 18:24:09,252 INFO L226 Difference]: Without dead ends: 17289 [2021-06-05 18:24:09,252 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 191.6ms TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2021-06-05 18:24:09,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2021-06-05 18:24:09,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 15621. [2021-06-05 18:24:09,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15621 states, 15619 states have (on average 3.257506882642935) internal successors, (50879), 15620 states have internal predecessors, (50879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15621 states to 15621 states and 50879 transitions. [2021-06-05 18:24:09,529 INFO L78 Accepts]: Start accepts. Automaton has 15621 states and 50879 transitions. Word has length 83 [2021-06-05 18:24:09,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:09,529 INFO L482 AbstractCegarLoop]: Abstraction has 15621 states and 50879 transitions. [2021-06-05 18:24:09,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 15621 states and 50879 transitions. [2021-06-05 18:24:09,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-05 18:24:09,551 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:09,551 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:09,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-05 18:24:09,551 INFO L430 AbstractCegarLoop]: === Iteration 26 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:09,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:09,551 INFO L82 PathProgramCache]: Analyzing trace with hash -885242066, now seen corresponding path program 1 times [2021-06-05 18:24:09,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:09,552 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453922645] [2021-06-05 18:24:09,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:09,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:09,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453922645] [2021-06-05 18:24:09,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453922645] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:09,582 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:09,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 18:24:09,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781218294] [2021-06-05 18:24:09,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 18:24:09,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:09,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 18:24:09,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 18:24:09,584 INFO L87 Difference]: Start difference. First operand 15621 states and 50879 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:09,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:09,661 INFO L93 Difference]: Finished difference Result 16128 states and 52183 transitions. [2021-06-05 18:24:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 18:24:09,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-05 18:24:09,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:09,690 INFO L225 Difference]: With dead ends: 16128 [2021-06-05 18:24:09,690 INFO L226 Difference]: Without dead ends: 16088 [2021-06-05 18:24:09,691 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 18:24:09,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16088 states. [2021-06-05 18:24:09,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16088 to 15661. [2021-06-05 18:24:09,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15661 states, 15659 states have (on average 3.256210485982502) internal successors, (50989), 15660 states have internal predecessors, (50989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15661 states to 15661 states and 50989 transitions. [2021-06-05 18:24:09,956 INFO L78 Accepts]: Start accepts. Automaton has 15661 states and 50989 transitions. Word has length 88 [2021-06-05 18:24:09,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:09,956 INFO L482 AbstractCegarLoop]: Abstraction has 15661 states and 50989 transitions. [2021-06-05 18:24:09,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:09,957 INFO L276 IsEmpty]: Start isEmpty. Operand 15661 states and 50989 transitions. [2021-06-05 18:24:09,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-05 18:24:09,978 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:09,978 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:09,978 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-05 18:24:09,978 INFO L430 AbstractCegarLoop]: === Iteration 27 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:09,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:09,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1998663756, now seen corresponding path program 2 times [2021-06-05 18:24:09,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:09,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812922155] [2021-06-05 18:24:09,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:10,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:10,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812922155] [2021-06-05 18:24:10,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812922155] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:10,043 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:10,043 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 18:24:10,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478237887] [2021-06-05 18:24:10,043 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 18:24:10,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:10,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 18:24:10,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-05 18:24:10,044 INFO L87 Difference]: Start difference. First operand 15661 states and 50989 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:10,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:10,219 INFO L93 Difference]: Finished difference Result 16216 states and 52472 transitions. [2021-06-05 18:24:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 18:24:10,219 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-05 18:24:10,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:10,249 INFO L225 Difference]: With dead ends: 16216 [2021-06-05 18:24:10,249 INFO L226 Difference]: Without dead ends: 15915 [2021-06-05 18:24:10,250 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 54.7ms TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-06-05 18:24:10,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15915 states. [2021-06-05 18:24:10,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15915 to 15801. [2021-06-05 18:24:10,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15801 states, 15799 states have (on average 3.251724792708399) internal successors, (51374), 15800 states have internal predecessors, (51374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:10,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15801 states to 15801 states and 51374 transitions. [2021-06-05 18:24:10,579 INFO L78 Accepts]: Start accepts. Automaton has 15801 states and 51374 transitions. Word has length 88 [2021-06-05 18:24:10,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:10,579 INFO L482 AbstractCegarLoop]: Abstraction has 15801 states and 51374 transitions. [2021-06-05 18:24:10,579 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:10,580 INFO L276 IsEmpty]: Start isEmpty. Operand 15801 states and 51374 transitions. [2021-06-05 18:24:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-05 18:24:10,601 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:10,601 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:10,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-05 18:24:10,601 INFO L430 AbstractCegarLoop]: === Iteration 28 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:10,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:10,601 INFO L82 PathProgramCache]: Analyzing trace with hash 387028912, now seen corresponding path program 3 times [2021-06-05 18:24:10,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:10,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080597290] [2021-06-05 18:24:10,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:10,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:10,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:10,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080597290] [2021-06-05 18:24:10,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080597290] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:10,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:10,670 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 18:24:10,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530958625] [2021-06-05 18:24:10,670 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 18:24:10,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:10,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 18:24:10,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 18:24:10,671 INFO L87 Difference]: Start difference. First operand 15801 states and 51374 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:10,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:10,891 INFO L93 Difference]: Finished difference Result 16416 states and 53022 transitions. [2021-06-05 18:24:10,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 18:24:10,892 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-05 18:24:10,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:10,925 INFO L225 Difference]: With dead ends: 16416 [2021-06-05 18:24:10,925 INFO L226 Difference]: Without dead ends: 16087 [2021-06-05 18:24:10,925 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 72.3ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-06-05 18:24:10,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16087 states. [2021-06-05 18:24:11,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16087 to 15821. [2021-06-05 18:24:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15821 states, 15819 states have (on average 3.2510904608382325) internal successors, (51429), 15820 states have internal predecessors, (51429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:11,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15821 states to 15821 states and 51429 transitions. [2021-06-05 18:24:11,188 INFO L78 Accepts]: Start accepts. Automaton has 15821 states and 51429 transitions. Word has length 88 [2021-06-05 18:24:11,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:11,188 INFO L482 AbstractCegarLoop]: Abstraction has 15821 states and 51429 transitions. [2021-06-05 18:24:11,188 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 15821 states and 51429 transitions. [2021-06-05 18:24:11,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-05 18:24:11,208 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:11,209 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:11,209 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-05 18:24:11,209 INFO L430 AbstractCegarLoop]: === Iteration 29 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:11,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:11,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1215546378, now seen corresponding path program 4 times [2021-06-05 18:24:11,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:11,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998211120] [2021-06-05 18:24:11,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:11,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:11,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998211120] [2021-06-05 18:24:11,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998211120] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:11,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:11,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 18:24:11,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051508846] [2021-06-05 18:24:11,278 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 18:24:11,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:11,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 18:24:11,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-05 18:24:11,279 INFO L87 Difference]: Start difference. First operand 15821 states and 51429 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:11,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:11,499 INFO L93 Difference]: Finished difference Result 17695 states and 57349 transitions. [2021-06-05 18:24:11,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 18:24:11,499 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-05 18:24:11,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:11,523 INFO L225 Difference]: With dead ends: 17695 [2021-06-05 18:24:11,523 INFO L226 Difference]: Without dead ends: 13977 [2021-06-05 18:24:11,523 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 69.6ms TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-06-05 18:24:11,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13977 states. [2021-06-05 18:24:11,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13977 to 12090. [2021-06-05 18:24:11,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12090 states, 12088 states have (on average 3.2413964262078094) internal successors, (39182), 12089 states have internal predecessors, (39182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:11,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12090 states to 12090 states and 39182 transitions. [2021-06-05 18:24:11,806 INFO L78 Accepts]: Start accepts. Automaton has 12090 states and 39182 transitions. Word has length 88 [2021-06-05 18:24:11,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:11,806 INFO L482 AbstractCegarLoop]: Abstraction has 12090 states and 39182 transitions. [2021-06-05 18:24:11,806 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 12090 states and 39182 transitions. [2021-06-05 18:24:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 18:24:11,821 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:11,821 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:11,821 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-05 18:24:11,821 INFO L430 AbstractCegarLoop]: === Iteration 30 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:11,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:11,822 INFO L82 PathProgramCache]: Analyzing trace with hash 538809417, now seen corresponding path program 1 times [2021-06-05 18:24:11,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:11,822 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187037921] [2021-06-05 18:24:11,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:11,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:11,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:11,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187037921] [2021-06-05 18:24:11,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187037921] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:11,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:11,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 18:24:11,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533457033] [2021-06-05 18:24:11,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 18:24:11,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:11,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 18:24:11,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 18:24:11,883 INFO L87 Difference]: Start difference. First operand 12090 states and 39182 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:12,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:12,054 INFO L93 Difference]: Finished difference Result 13167 states and 42694 transitions. [2021-06-05 18:24:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 18:24:12,055 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 18:24:12,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:12,078 INFO L225 Difference]: With dead ends: 13167 [2021-06-05 18:24:12,078 INFO L226 Difference]: Without dead ends: 11307 [2021-06-05 18:24:12,079 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 64.7ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-06-05 18:24:12,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11307 states. [2021-06-05 18:24:12,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11307 to 10335. [2021-06-05 18:24:12,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10335 states, 10333 states have (on average 3.2374915319849027) internal successors, (33453), 10334 states have internal predecessors, (33453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:12,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10335 states to 10335 states and 33453 transitions. [2021-06-05 18:24:12,263 INFO L78 Accepts]: Start accepts. Automaton has 10335 states and 33453 transitions. Word has length 91 [2021-06-05 18:24:12,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:12,263 INFO L482 AbstractCegarLoop]: Abstraction has 10335 states and 33453 transitions. [2021-06-05 18:24:12,263 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:12,263 INFO L276 IsEmpty]: Start isEmpty. Operand 10335 states and 33453 transitions. [2021-06-05 18:24:12,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 18:24:12,276 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:12,276 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:12,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-05 18:24:12,276 INFO L430 AbstractCegarLoop]: === Iteration 31 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:12,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:12,276 INFO L82 PathProgramCache]: Analyzing trace with hash -899785151, now seen corresponding path program 2 times [2021-06-05 18:24:12,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:12,277 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9269086] [2021-06-05 18:24:12,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:12,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:12,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9269086] [2021-06-05 18:24:12,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9269086] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:12,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:12,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 18:24:12,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517049316] [2021-06-05 18:24:12,345 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 18:24:12,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:12,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 18:24:12,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-05 18:24:12,345 INFO L87 Difference]: Start difference. First operand 10335 states and 33453 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:12,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:12,531 INFO L93 Difference]: Finished difference Result 12224 states and 39266 transitions. [2021-06-05 18:24:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 18:24:12,531 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 18:24:12,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:12,551 INFO L225 Difference]: With dead ends: 12224 [2021-06-05 18:24:12,551 INFO L226 Difference]: Without dead ends: 9745 [2021-06-05 18:24:12,551 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 69.1ms TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-06-05 18:24:12,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9745 states. [2021-06-05 18:24:12,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9745 to 9345. [2021-06-05 18:24:12,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9345 states, 9343 states have (on average 3.2163116771914804) internal successors, (30050), 9344 states have internal predecessors, (30050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9345 states to 9345 states and 30050 transitions. [2021-06-05 18:24:12,715 INFO L78 Accepts]: Start accepts. Automaton has 9345 states and 30050 transitions. Word has length 91 [2021-06-05 18:24:12,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:12,715 INFO L482 AbstractCegarLoop]: Abstraction has 9345 states and 30050 transitions. [2021-06-05 18:24:12,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:12,715 INFO L276 IsEmpty]: Start isEmpty. Operand 9345 states and 30050 transitions. [2021-06-05 18:24:12,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 18:24:12,727 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:12,727 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:12,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-05 18:24:12,727 INFO L430 AbstractCegarLoop]: === Iteration 32 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:12,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:12,728 INFO L82 PathProgramCache]: Analyzing trace with hash -998964956, now seen corresponding path program 1 times [2021-06-05 18:24:12,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:12,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090144168] [2021-06-05 18:24:12,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:12,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:12,810 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:12,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090144168] [2021-06-05 18:24:12,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090144168] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:12,811 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:12,811 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 18:24:12,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773260676] [2021-06-05 18:24:12,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 18:24:12,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:12,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 18:24:12,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-06-05 18:24:12,813 INFO L87 Difference]: Start difference. First operand 9345 states and 30050 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:12,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:12,937 INFO L93 Difference]: Finished difference Result 9273 states and 29916 transitions. [2021-06-05 18:24:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 18:24:12,938 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 18:24:12,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:12,952 INFO L225 Difference]: With dead ends: 9273 [2021-06-05 18:24:12,952 INFO L226 Difference]: Without dead ends: 6834 [2021-06-05 18:24:12,953 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 56.9ms TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-06-05 18:24:12,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6834 states. [2021-06-05 18:24:13,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6834 to 6834. [2021-06-05 18:24:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6834 states, 6833 states have (on average 3.2654763647007172) internal successors, (22313), 6833 states have internal predecessors, (22313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6834 states to 6834 states and 22313 transitions. [2021-06-05 18:24:13,088 INFO L78 Accepts]: Start accepts. Automaton has 6834 states and 22313 transitions. Word has length 91 [2021-06-05 18:24:13,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:13,089 INFO L482 AbstractCegarLoop]: Abstraction has 6834 states and 22313 transitions. [2021-06-05 18:24:13,089 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:13,089 INFO L276 IsEmpty]: Start isEmpty. Operand 6834 states and 22313 transitions. [2021-06-05 18:24:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 18:24:13,100 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:13,100 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:13,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-05 18:24:13,100 INFO L430 AbstractCegarLoop]: === Iteration 33 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:13,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:13,101 INFO L82 PathProgramCache]: Analyzing trace with hash -876030795, now seen corresponding path program 3 times [2021-06-05 18:24:13,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:13,101 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852014783] [2021-06-05 18:24:13,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:13,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:13,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852014783] [2021-06-05 18:24:13,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852014783] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:13,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:13,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 18:24:13,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789066344] [2021-06-05 18:24:13,175 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 18:24:13,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:13,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 18:24:13,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-05 18:24:13,175 INFO L87 Difference]: Start difference. First operand 6834 states and 22313 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:13,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:13,345 INFO L93 Difference]: Finished difference Result 7523 states and 24177 transitions. [2021-06-05 18:24:13,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 18:24:13,345 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 18:24:13,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:13,360 INFO L225 Difference]: With dead ends: 7523 [2021-06-05 18:24:13,361 INFO L226 Difference]: Without dead ends: 7222 [2021-06-05 18:24:13,361 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 62.2ms TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-06-05 18:24:13,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7222 states. [2021-06-05 18:24:13,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7222 to 6810. [2021-06-05 18:24:13,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6810 states, 6809 states have (on average 3.267293288294904) internal successors, (22247), 6809 states have internal predecessors, (22247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:13,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6810 states to 6810 states and 22247 transitions. [2021-06-05 18:24:13,499 INFO L78 Accepts]: Start accepts. Automaton has 6810 states and 22247 transitions. Word has length 91 [2021-06-05 18:24:13,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:13,500 INFO L482 AbstractCegarLoop]: Abstraction has 6810 states and 22247 transitions. [2021-06-05 18:24:13,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 6810 states and 22247 transitions. [2021-06-05 18:24:13,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 18:24:13,513 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:13,513 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:13,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-05 18:24:13,513 INFO L430 AbstractCegarLoop]: === Iteration 34 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:13,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:13,513 INFO L82 PathProgramCache]: Analyzing trace with hash 513136423, now seen corresponding path program 4 times [2021-06-05 18:24:13,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:13,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138415475] [2021-06-05 18:24:13,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:13,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:13,548 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:13,548 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138415475] [2021-06-05 18:24:13,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138415475] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:13,548 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:13,548 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 18:24:13,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383336296] [2021-06-05 18:24:13,549 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 18:24:13,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:13,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 18:24:13,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 18:24:13,552 INFO L87 Difference]: Start difference. First operand 6810 states and 22247 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:13,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:13,608 INFO L93 Difference]: Finished difference Result 7362 states and 23656 transitions. [2021-06-05 18:24:13,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 18:24:13,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 18:24:13,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:13,624 INFO L225 Difference]: With dead ends: 7362 [2021-06-05 18:24:13,624 INFO L226 Difference]: Without dead ends: 7322 [2021-06-05 18:24:13,625 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 18:24:13,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7322 states. [2021-06-05 18:24:13,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7322 to 6850. [2021-06-05 18:24:13,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6850 states, 6849 states have (on average 3.2642721565192) internal successors, (22357), 6849 states have internal predecessors, (22357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:13,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6850 states to 6850 states and 22357 transitions. [2021-06-05 18:24:13,766 INFO L78 Accepts]: Start accepts. Automaton has 6850 states and 22357 transitions. Word has length 91 [2021-06-05 18:24:13,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:13,767 INFO L482 AbstractCegarLoop]: Abstraction has 6850 states and 22357 transitions. [2021-06-05 18:24:13,767 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 6850 states and 22357 transitions. [2021-06-05 18:24:13,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 18:24:13,778 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:13,778 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:13,778 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-05 18:24:13,779 INFO L430 AbstractCegarLoop]: === Iteration 35 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:13,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:13,779 INFO L82 PathProgramCache]: Analyzing trace with hash 733479027, now seen corresponding path program 5 times [2021-06-05 18:24:13,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:13,779 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87944767] [2021-06-05 18:24:13,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:13,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:13,848 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:13,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87944767] [2021-06-05 18:24:13,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87944767] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:13,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:13,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 18:24:13,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462083780] [2021-06-05 18:24:13,848 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 18:24:13,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:13,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 18:24:13,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 18:24:13,849 INFO L87 Difference]: Start difference. First operand 6850 states and 22357 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:13,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:13,996 INFO L93 Difference]: Finished difference Result 7349 states and 23675 transitions. [2021-06-05 18:24:13,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 18:24:13,996 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 18:24:13,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:14,010 INFO L225 Difference]: With dead ends: 7349 [2021-06-05 18:24:14,010 INFO L226 Difference]: Without dead ends: 7020 [2021-06-05 18:24:14,010 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 72.2ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-06-05 18:24:14,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7020 states. [2021-06-05 18:24:14,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7020 to 5620. [2021-06-05 18:24:14,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5620 states, 5619 states have (on average 3.2642819006940735) internal successors, (18342), 5619 states have internal predecessors, (18342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5620 states to 5620 states and 18342 transitions. [2021-06-05 18:24:14,113 INFO L78 Accepts]: Start accepts. Automaton has 5620 states and 18342 transitions. Word has length 91 [2021-06-05 18:24:14,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:14,113 INFO L482 AbstractCegarLoop]: Abstraction has 5620 states and 18342 transitions. [2021-06-05 18:24:14,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:14,114 INFO L276 IsEmpty]: Start isEmpty. Operand 5620 states and 18342 transitions. [2021-06-05 18:24:14,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-06-05 18:24:14,120 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 18:24:14,120 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 18:24:14,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-05 18:24:14,121 INFO L430 AbstractCegarLoop]: === Iteration 36 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 18:24:14,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 18:24:14,121 INFO L82 PathProgramCache]: Analyzing trace with hash -719902876, now seen corresponding path program 1 times [2021-06-05 18:24:14,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 18:24:14,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921112295] [2021-06-05 18:24:14,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 18:24:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 18:24:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 18:24:14,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 18:24:14,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921112295] [2021-06-05 18:24:14,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921112295] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 18:24:14,186 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 18:24:14,186 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 18:24:14,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544197456] [2021-06-05 18:24:14,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 18:24:14,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 18:24:14,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 18:24:14,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-06-05 18:24:14,187 INFO L87 Difference]: Start difference. First operand 5620 states and 18342 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:14,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 18:24:14,278 INFO L93 Difference]: Finished difference Result 5503 states and 18103 transitions. [2021-06-05 18:24:14,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 18:24:14,279 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-06-05 18:24:14,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 18:24:14,279 INFO L225 Difference]: With dead ends: 5503 [2021-06-05 18:24:14,279 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 18:24:14,280 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 59.6ms TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-06-05 18:24:14,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 18:24:14,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 18:24:14,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 18:24:14,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 94 [2021-06-05 18:24:14,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 18:24:14,280 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 18:24:14,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 18:24:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 18:24:14,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 18:24:14,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-06-05 18:24:14,281 INFO L301 ceAbstractionStarter]: Result for error location qrcu_updaterThread1of1ForFork0 was SAFE (3/3) [2021-06-05 18:24:14,282 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 18:24:14,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 06:24:14 BasicIcfg [2021-06-05 18:24:14,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 18:24:14,287 INFO L168 Benchmark]: Toolchain (without parser) took 100154.86 ms. Allocated memory was 362.8 MB in the beginning and 15.2 GB in the end (delta: 14.8 GB). Free memory was 324.9 MB in the beginning and 8.8 GB in the end (delta: -8.4 GB). Peak memory consumption was 6.4 GB. Max. memory is 16.0 GB. [2021-06-05 18:24:14,287 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 362.8 MB. Free memory was 343.3 MB in the beginning and 343.2 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 18:24:14,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.74 ms. Allocated memory is still 362.8 MB. Free memory was 324.7 MB in the beginning and 323.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-05 18:24:14,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.40 ms. Allocated memory is still 362.8 MB. Free memory was 323.4 MB in the beginning and 320.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 18:24:14,288 INFO L168 Benchmark]: Boogie Preprocessor took 48.23 ms. Allocated memory is still 362.8 MB. Free memory was 320.2 MB in the beginning and 318.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 18:24:14,288 INFO L168 Benchmark]: RCFGBuilder took 959.32 ms. Allocated memory is still 362.8 MB. Free memory was 318.1 MB in the beginning and 215.4 MB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 16.0 GB. [2021-06-05 18:24:14,288 INFO L168 Benchmark]: TraceAbstraction took 98575.32 ms. Allocated memory was 362.8 MB in the beginning and 15.2 GB in the end (delta: 14.8 GB). Free memory was 215.4 MB in the beginning and 8.8 GB in the end (delta: -8.5 GB). Peak memory consumption was 6.3 GB. Max. memory is 16.0 GB. [2021-06-05 18:24:14,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 362.8 MB. Free memory was 343.3 MB in the beginning and 343.2 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 498.74 ms. Allocated memory is still 362.8 MB. Free memory was 324.7 MB in the beginning and 323.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.40 ms. Allocated memory is still 362.8 MB. Free memory was 323.4 MB in the beginning and 320.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 48.23 ms. Allocated memory is still 362.8 MB. Free memory was 320.2 MB in the beginning and 318.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 959.32 ms. Allocated memory is still 362.8 MB. Free memory was 318.1 MB in the beginning and 215.4 MB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 98575.32 ms. Allocated memory was 362.8 MB in the beginning and 15.2 GB in the end (delta: 14.8 GB). Free memory was 215.4 MB in the beginning and 8.8 GB in the end (delta: -8.5 GB). Peak memory consumption was 6.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 712]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 719]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: qrcu_updater with 1 thread instances CFG has 7 procedures, 264 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12858.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 942.5ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11912.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=107259occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 264 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12206.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 942.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11262.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=107259occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: qrcu_updaterThread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 264 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 73284.1ms, OverallIterations: 36, TraceHistogramMax: 1, EmptinessCheckTime: 1199.8ms, AutomataDifference: 20659.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11119.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9013 SDtfs, 15378 SDslu, 29233 SDs, 0 SdLazy, 6322 SolverSat, 681 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3516.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 456 GetRequests, 80 SyntacticMatches, 9 SemanticMatches, 367 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 2811.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=112214occurred in iteration=4, InterpolantAutomatonStates: 352, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 36892.7ms AutomataMinimizationTime, 36 MinimizatonAttempts, 71084 StatesRemovedByMinimization, 33 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 117.5ms SsaConstructionTime, 381.0ms SatisfiabilityAnalysisTime, 2584.7ms InterpolantComputationTime, 2885 NumberOfCodeBlocks, 2885 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2849 ConstructedInterpolants, 0 QuantifiedInterpolants, 15317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...