/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 09:37:17,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 09:37:17,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 09:37:17,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 09:37:17,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 09:37:17,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 09:37:17,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 09:37:17,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 09:37:17,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 09:37:17,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 09:37:17,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 09:37:17,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 09:37:17,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 09:37:17,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 09:37:17,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 09:37:17,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 09:37:17,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 09:37:17,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 09:37:17,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 09:37:17,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 09:37:17,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 09:37:17,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 09:37:17,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 09:37:17,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 09:37:17,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 09:37:17,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 09:37:17,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 09:37:17,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 09:37:17,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 09:37:17,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 09:37:17,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 09:37:17,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 09:37:17,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 09:37:17,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 09:37:17,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 09:37:17,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 09:37:17,782 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-SemanticLbe.epf [2021-03-11 09:37:17,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 09:37:17,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 09:37:17,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 09:37:17,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 09:37:17,824 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 09:37:17,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 09:37:17,824 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 09:37:17,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 09:37:17,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 09:37:17,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 09:37:17,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 09:37:17,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 09:37:17,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 09:37:17,826 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 09:37:17,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 09:37:17,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 09:37:17,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 09:37:17,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 09:37:17,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 09:37:17,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 09:37:17,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 09:37:17,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 09:37:17,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 09:37:17,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 09:37:17,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 09:37:17,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 09:37:17,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 09:37:17,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 09:37:17,828 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 09:37:18,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 09:37:18,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 09:37:18,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 09:37:18,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 09:37:18,155 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 09:37:18,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2021-03-11 09:37:18,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc7c6f67/7240e93ecd524ebeb4202a69ee47f2bc/FLAGedb7fd11f [2021-03-11 09:37:18,685 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 09:37:18,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2021-03-11 09:37:18,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc7c6f67/7240e93ecd524ebeb4202a69ee47f2bc/FLAGedb7fd11f [2021-03-11 09:37:18,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc7c6f67/7240e93ecd524ebeb4202a69ee47f2bc [2021-03-11 09:37:18,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 09:37:18,714 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 09:37:18,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 09:37:18,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 09:37:18,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 09:37:18,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 09:37:18" (1/1) ... [2021-03-11 09:37:18,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7acdb2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:18, skipping insertion in model container [2021-03-11 09:37:18,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 09:37:18" (1/1) ... [2021-03-11 09:37:18,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 09:37:18,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 09:37:19,020 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30694,30707] [2021-03-11 09:37:19,029 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30916,30929] [2021-03-11 09:37:19,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 09:37:19,070 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 09:37:19,128 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30694,30707] [2021-03-11 09:37:19,129 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30916,30929] [2021-03-11 09:37:19,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 09:37:19,208 INFO L208 MainTranslator]: Completed translation [2021-03-11 09:37:19,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:19 WrapperNode [2021-03-11 09:37:19,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 09:37:19,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 09:37:19,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 09:37:19,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 09:37:19,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:19" (1/1) ... [2021-03-11 09:37:19,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:19" (1/1) ... [2021-03-11 09:37:19,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 09:37:19,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 09:37:19,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 09:37:19,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 09:37:19,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:19" (1/1) ... [2021-03-11 09:37:19,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:19" (1/1) ... [2021-03-11 09:37:19,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:19" (1/1) ... [2021-03-11 09:37:19,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:19" (1/1) ... [2021-03-11 09:37:19,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:19" (1/1) ... [2021-03-11 09:37:19,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:19" (1/1) ... [2021-03-11 09:37:19,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:19" (1/1) ... [2021-03-11 09:37:19,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 09:37:19,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 09:37:19,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 09:37:19,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 09:37:19,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 09:37:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-03-11 09:37:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-03-11 09:37:19,372 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-03-11 09:37:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-03-11 09:37:19,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 09:37:19,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 09:37:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-03-11 09:37:19,375 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-03-11 09:37:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-11 09:37:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 09:37:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 09:37:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 09:37:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 09:37:19,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 09:37:19,377 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 09:37:20,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 09:37:20,384 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-11 09:37:20,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 09:37:20 BoogieIcfgContainer [2021-03-11 09:37:20,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 09:37:20,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 09:37:20,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 09:37:20,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 09:37:20,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 09:37:18" (1/3) ... [2021-03-11 09:37:20,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e95b4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 09:37:20, skipping insertion in model container [2021-03-11 09:37:20,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:19" (2/3) ... [2021-03-11 09:37:20,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e95b4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 09:37:20, skipping insertion in model container [2021-03-11 09:37:20,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 09:37:20" (3/3) ... [2021-03-11 09:37:20,392 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2021-03-11 09:37:20,397 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 09:37:20,397 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 09:37:20,400 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 09:37:20,401 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 09:37:20,445 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,445 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,445 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,445 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,446 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,446 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,446 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,446 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,446 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,446 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,446 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,447 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,447 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,447 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,448 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,448 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,449 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,449 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,449 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,449 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,449 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,449 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,451 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,451 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,451 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,452 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,452 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,452 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,452 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,452 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,452 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,452 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,452 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,452 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,453 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,453 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,453 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,454 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,455 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,455 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,455 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,456 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,456 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,456 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,457 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,457 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,457 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,457 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,457 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,457 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,457 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,457 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,458 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,458 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,458 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,459 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,459 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,461 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,461 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,464 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,464 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,464 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,465 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,469 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,469 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,469 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,469 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,469 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,469 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,470 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,470 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,471 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,471 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,471 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,472 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,472 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,472 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,472 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,472 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,472 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,472 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,473 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,473 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,473 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,473 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,474 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,474 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,474 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,474 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,474 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,474 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,474 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,474 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,474 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,475 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,475 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,475 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,475 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,475 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,475 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,475 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,475 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,476 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,476 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,476 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,476 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,476 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,476 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,476 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,476 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,476 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,476 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,476 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,476 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,477 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,477 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,477 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,477 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,479 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,479 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,479 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,479 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,479 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,479 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,479 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,479 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,479 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,480 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,480 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,481 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,481 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,481 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,481 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,481 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,481 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,481 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,481 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,481 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,482 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,482 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,482 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,482 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,483 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,483 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,483 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,483 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,483 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,483 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,483 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,483 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,483 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,484 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,484 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,484 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,484 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,484 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,484 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,484 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,484 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,484 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,485 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,485 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,485 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,485 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,485 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,485 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,485 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,485 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,485 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,485 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,486 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,486 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,486 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,486 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,486 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,486 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,486 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,486 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,486 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,487 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,487 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,487 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,487 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,487 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,487 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,487 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,487 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,487 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,488 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,488 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,488 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,488 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,488 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,488 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,488 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,488 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,488 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,488 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,489 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,490 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,490 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,490 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,490 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,490 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,490 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,490 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,490 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,490 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,491 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,491 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,491 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,491 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,491 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,491 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,491 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,491 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,491 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,491 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,491 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,491 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,492 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,492 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,492 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,492 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,492 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,492 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,492 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,492 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,492 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,492 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,493 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,493 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,493 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,493 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,493 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,493 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,493 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,493 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,493 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,494 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,494 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,494 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,494 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,494 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,494 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,494 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,494 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,494 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,494 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,494 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,495 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,495 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,495 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,495 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,495 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,495 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,495 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,495 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,497 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,498 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,498 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,498 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,498 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,498 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,498 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,498 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,498 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,498 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,498 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,498 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,499 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,499 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,499 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,499 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,499 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,499 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,499 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,501 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,501 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,501 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,501 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,501 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,501 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,501 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,501 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,502 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,502 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,502 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,502 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,502 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,502 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,502 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,502 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,502 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,502 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,503 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,504 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,504 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,504 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,504 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,504 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,504 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,504 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,504 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,505 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,505 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,505 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,505 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,505 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,505 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,505 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,505 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,505 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,506 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,506 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,506 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,506 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,506 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,506 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,506 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,506 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,506 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,507 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,507 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,507 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,507 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,507 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,507 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,507 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,507 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,508 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:20,515 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-03-11 09:37:20,530 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-11 09:37:20,545 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 09:37:20,545 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 09:37:20,545 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 09:37:20,545 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 09:37:20,545 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 09:37:20,545 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 09:37:20,545 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 09:37:20,545 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 09:37:20,558 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 09:37:20,566 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 175 transitions, 392 flow [2021-03-11 09:37:20,569 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 175 transitions, 392 flow [2021-03-11 09:37:20,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 175 transitions, 392 flow [2021-03-11 09:37:20,641 INFO L129 PetriNetUnfolder]: 23/183 cut-off events. [2021-03-11 09:37:20,641 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-11 09:37:20,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 183 events. 23/183 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 449 event pairs, 0 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 141. Up to 6 conditions per place. [2021-03-11 09:37:20,653 INFO L116 LiptonReduction]: Number of co-enabled transitions 10120 [2021-03-11 09:37:26,637 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2021-03-11 09:37:26,788 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-11 09:37:27,149 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2021-03-11 09:37:27,308 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-11 09:37:27,325 INFO L131 LiptonReduction]: Checked pairs total: 25376 [2021-03-11 09:37:27,325 INFO L133 LiptonReduction]: Total number of compositions: 128 [2021-03-11 09:37:27,338 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 76 transitions, 194 flow [2021-03-11 09:37:27,577 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4685 states, 4682 states have (on average 4.002563007261854) internal successors, (18740), 4684 states have internal predecessors, (18740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 4685 states, 4682 states have (on average 4.002563007261854) internal successors, (18740), 4684 states have internal predecessors, (18740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:27,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:37:27,616 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:27,617 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:27,617 INFO L428 AbstractCegarLoop]: === Iteration 1 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:27,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:27,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1751566384, now seen corresponding path program 1 times [2021-03-11 09:37:27,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:27,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280303323] [2021-03-11 09:37:27,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:27,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:27,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:27,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:27,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 09:37:27,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:27,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:27,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280303323] [2021-03-11 09:37:27,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:27,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 09:37:27,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993632937] [2021-03-11 09:37:27,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 09:37:27,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:27,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 09:37:27,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:27,926 INFO L87 Difference]: Start difference. First operand has 4685 states, 4682 states have (on average 4.002563007261854) internal successors, (18740), 4684 states have internal predecessors, (18740), 0 states have call successors, (0), 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 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:28,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:28,043 INFO L93 Difference]: Finished difference Result 5823 states and 21672 transitions. [2021-03-11 09:37:28,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 09:37:28,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2021-03-11 09:37:28,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:28,113 INFO L225 Difference]: With dead ends: 5823 [2021-03-11 09:37:28,113 INFO L226 Difference]: Without dead ends: 4979 [2021-03-11 09:37:28,114 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:28,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4979 states. [2021-03-11 09:37:28,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4979 to 4442. [2021-03-11 09:37:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4442 states, 4440 states have (on average 3.8675675675675674) internal successors, (17172), 4441 states have internal predecessors, (17172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 17172 transitions. [2021-03-11 09:37:28,360 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 17172 transitions. Word has length 12 [2021-03-11 09:37:28,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:28,361 INFO L480 AbstractCegarLoop]: Abstraction has 4442 states and 17172 transitions. [2021-03-11 09:37:28,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:28,361 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 17172 transitions. [2021-03-11 09:37:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:37:28,364 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:28,364 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:28,364 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 09:37:28,364 INFO L428 AbstractCegarLoop]: === Iteration 2 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:28,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:28,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1541403754, now seen corresponding path program 1 times [2021-03-11 09:37:28,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:28,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659883350] [2021-03-11 09:37:28,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:28,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:28,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:28,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659883350] [2021-03-11 09:37:28,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:28,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 09:37:28,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146902505] [2021-03-11 09:37:28,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 09:37:28,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:28,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 09:37:28,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:28,458 INFO L87 Difference]: Start difference. First operand 4442 states and 17172 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:28,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:28,514 INFO L93 Difference]: Finished difference Result 4347 states and 16799 transitions. [2021-03-11 09:37:28,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 09:37:28,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2021-03-11 09:37:28,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:28,543 INFO L225 Difference]: With dead ends: 4347 [2021-03-11 09:37:28,543 INFO L226 Difference]: Without dead ends: 4347 [2021-03-11 09:37:28,543 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:28,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2021-03-11 09:37:28,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4347. [2021-03-11 09:37:28,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4347 states, 4345 states have (on average 3.866283084004603) internal successors, (16799), 4346 states have internal predecessors, (16799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 16799 transitions. [2021-03-11 09:37:28,769 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 16799 transitions. Word has length 13 [2021-03-11 09:37:28,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:28,769 INFO L480 AbstractCegarLoop]: Abstraction has 4347 states and 16799 transitions. [2021-03-11 09:37:28,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 16799 transitions. [2021-03-11 09:37:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:37:28,772 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:28,772 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:28,772 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 09:37:28,772 INFO L428 AbstractCegarLoop]: === Iteration 3 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:28,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:28,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1541403600, now seen corresponding path program 1 times [2021-03-11 09:37:28,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:28,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696788358] [2021-03-11 09:37:28,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:28,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:28,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:28,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:28,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696788358] [2021-03-11 09:37:28,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:28,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 09:37:28,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380445604] [2021-03-11 09:37:28,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 09:37:28,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:28,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 09:37:28,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:28,853 INFO L87 Difference]: Start difference. First operand 4347 states and 16799 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:28,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:28,976 INFO L93 Difference]: Finished difference Result 4252 states and 16426 transitions. [2021-03-11 09:37:28,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 09:37:28,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2021-03-11 09:37:28,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:29,028 INFO L225 Difference]: With dead ends: 4252 [2021-03-11 09:37:29,029 INFO L226 Difference]: Without dead ends: 4252 [2021-03-11 09:37:29,029 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:29,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2021-03-11 09:37:29,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 4252. [2021-03-11 09:37:29,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4252 states, 4250 states have (on average 3.8649411764705883) internal successors, (16426), 4251 states have internal predecessors, (16426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 4252 states and 16426 transitions. [2021-03-11 09:37:29,158 INFO L78 Accepts]: Start accepts. Automaton has 4252 states and 16426 transitions. Word has length 13 [2021-03-11 09:37:29,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:29,159 INFO L480 AbstractCegarLoop]: Abstraction has 4252 states and 16426 transitions. [2021-03-11 09:37:29,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:29,159 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 16426 transitions. [2021-03-11 09:37:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-03-11 09:37:29,164 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:29,164 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:29,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 09:37:29,164 INFO L428 AbstractCegarLoop]: === Iteration 4 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:29,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:29,166 INFO L82 PathProgramCache]: Analyzing trace with hash 964927329, now seen corresponding path program 1 times [2021-03-11 09:37:29,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:29,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77624301] [2021-03-11 09:37:29,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:29,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:29,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:29,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:29,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:29,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:29,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77624301] [2021-03-11 09:37:29,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:29,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 09:37:29,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572595874] [2021-03-11 09:37:29,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 09:37:29,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:29,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 09:37:29,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 09:37:29,263 INFO L87 Difference]: Start difference. First operand 4252 states and 16426 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:29,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:29,362 INFO L93 Difference]: Finished difference Result 6055 states and 22664 transitions. [2021-03-11 09:37:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 09:37:29,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-03-11 09:37:29,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:29,385 INFO L225 Difference]: With dead ends: 6055 [2021-03-11 09:37:29,386 INFO L226 Difference]: Without dead ends: 6055 [2021-03-11 09:37:29,386 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:29,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6055 states. [2021-03-11 09:37:29,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6055 to 6016. [2021-03-11 09:37:29,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6016 states, 6014 states have (on average 3.757399401396741) internal successors, (22597), 6015 states have internal predecessors, (22597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:29,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6016 states to 6016 states and 22597 transitions. [2021-03-11 09:37:29,658 INFO L78 Accepts]: Start accepts. Automaton has 6016 states and 22597 transitions. Word has length 17 [2021-03-11 09:37:29,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:29,659 INFO L480 AbstractCegarLoop]: Abstraction has 6016 states and 22597 transitions. [2021-03-11 09:37:29,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 6016 states and 22597 transitions. [2021-03-11 09:37:29,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-03-11 09:37:29,666 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:29,666 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:29,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 09:37:29,667 INFO L428 AbstractCegarLoop]: === Iteration 5 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:29,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:29,667 INFO L82 PathProgramCache]: Analyzing trace with hash 2043814303, now seen corresponding path program 2 times [2021-03-11 09:37:29,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:29,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408163770] [2021-03-11 09:37:29,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:29,725 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-11 09:37:29,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:29,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:29,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:29,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:29,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:29,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:29,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:29,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:29,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:29,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408163770] [2021-03-11 09:37:29,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:29,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 09:37:29,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056993018] [2021-03-11 09:37:29,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 09:37:29,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:29,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 09:37:29,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 09:37:29,747 INFO L87 Difference]: Start difference. First operand 6016 states and 22597 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:30,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:30,328 INFO L93 Difference]: Finished difference Result 11954 states and 45166 transitions. [2021-03-11 09:37:30,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 09:37:30,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-03-11 09:37:30,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:30,376 INFO L225 Difference]: With dead ends: 11954 [2021-03-11 09:37:30,377 INFO L226 Difference]: Without dead ends: 11954 [2021-03-11 09:37:30,377 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 107.4ms TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:37:30,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11954 states. [2021-03-11 09:37:30,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11954 to 6903. [2021-03-11 09:37:30,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6903 states, 6901 states have (on average 3.773076365744095) internal successors, (26038), 6902 states have internal predecessors, (26038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:30,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6903 states to 6903 states and 26038 transitions. [2021-03-11 09:37:30,727 INFO L78 Accepts]: Start accepts. Automaton has 6903 states and 26038 transitions. Word has length 17 [2021-03-11 09:37:30,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:30,727 INFO L480 AbstractCegarLoop]: Abstraction has 6903 states and 26038 transitions. [2021-03-11 09:37:30,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:30,727 INFO L276 IsEmpty]: Start isEmpty. Operand 6903 states and 26038 transitions. [2021-03-11 09:37:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-03-11 09:37:30,736 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:30,736 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:30,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 09:37:30,737 INFO L428 AbstractCegarLoop]: === Iteration 6 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:30,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:30,738 INFO L82 PathProgramCache]: Analyzing trace with hash -190777642, now seen corresponding path program 1 times [2021-03-11 09:37:30,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:30,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091001197] [2021-03-11 09:37:30,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:30,774 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-11 09:37:30,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:30,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:30,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:30,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:30,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:30,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:30,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:30,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:30,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:30,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:30,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091001197] [2021-03-11 09:37:30,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:30,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 09:37:30,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839719371] [2021-03-11 09:37:30,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 09:37:30,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:30,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 09:37:30,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 09:37:30,797 INFO L87 Difference]: Start difference. First operand 6903 states and 26038 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:31,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:31,321 INFO L93 Difference]: Finished difference Result 12059 states and 44726 transitions. [2021-03-11 09:37:31,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 09:37:31,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-03-11 09:37:31,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:31,367 INFO L225 Difference]: With dead ends: 12059 [2021-03-11 09:37:31,367 INFO L226 Difference]: Without dead ends: 12059 [2021-03-11 09:37:31,367 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 168.3ms TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:37:31,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12059 states. [2021-03-11 09:37:31,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12059 to 6471. [2021-03-11 09:37:31,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6471 states, 6469 states have (on average 3.731334054722523) internal successors, (24138), 6470 states have internal predecessors, (24138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:31,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6471 states to 6471 states and 24138 transitions. [2021-03-11 09:37:31,676 INFO L78 Accepts]: Start accepts. Automaton has 6471 states and 24138 transitions. Word has length 17 [2021-03-11 09:37:31,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:31,677 INFO L480 AbstractCegarLoop]: Abstraction has 6471 states and 24138 transitions. [2021-03-11 09:37:31,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 6471 states and 24138 transitions. [2021-03-11 09:37:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-03-11 09:37:31,684 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:31,684 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:31,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 09:37:31,685 INFO L428 AbstractCegarLoop]: === Iteration 7 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:31,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:31,685 INFO L82 PathProgramCache]: Analyzing trace with hash -967988151, now seen corresponding path program 1 times [2021-03-11 09:37:31,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:31,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462681928] [2021-03-11 09:37:31,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:31,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:31,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:31,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:31,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:31,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:31,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462681928] [2021-03-11 09:37:31,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:31,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 09:37:31,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294647558] [2021-03-11 09:37:31,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 09:37:31,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:31,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 09:37:31,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:31,735 INFO L87 Difference]: Start difference. First operand 6471 states and 24138 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:31,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:31,794 INFO L93 Difference]: Finished difference Result 6830 states and 24185 transitions. [2021-03-11 09:37:31,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 09:37:31,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-03-11 09:37:31,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:31,819 INFO L225 Difference]: With dead ends: 6830 [2021-03-11 09:37:31,820 INFO L226 Difference]: Without dead ends: 6811 [2021-03-11 09:37:31,820 INFO L775 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 [2021-03-11 09:37:31,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6811 states. [2021-03-11 09:37:32,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6811 to 6526. [2021-03-11 09:37:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6526 states, 6522 states have (on average 3.5840233057344375) internal successors, (23375), 6525 states have internal predecessors, (23375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6526 states to 6526 states and 23375 transitions. [2021-03-11 09:37:32,088 INFO L78 Accepts]: Start accepts. Automaton has 6526 states and 23375 transitions. Word has length 17 [2021-03-11 09:37:32,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:32,088 INFO L480 AbstractCegarLoop]: Abstraction has 6526 states and 23375 transitions. [2021-03-11 09:37:32,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 6526 states and 23375 transitions. [2021-03-11 09:37:32,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-03-11 09:37:32,095 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:32,095 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:32,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 09:37:32,095 INFO L428 AbstractCegarLoop]: === Iteration 8 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:32,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:32,095 INFO L82 PathProgramCache]: Analyzing trace with hash -965916235, now seen corresponding path program 1 times [2021-03-11 09:37:32,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:32,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660637027] [2021-03-11 09:37:32,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:32,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:32,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:32,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:32,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660637027] [2021-03-11 09:37:32,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:32,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 09:37:32,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289854637] [2021-03-11 09:37:32,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:32,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:32,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:32,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:32,156 INFO L87 Difference]: Start difference. First operand 6526 states and 23375 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:32,270 INFO L93 Difference]: Finished difference Result 9154 states and 31749 transitions. [2021-03-11 09:37:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 09:37:32,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-03-11 09:37:32,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:32,286 INFO L225 Difference]: With dead ends: 9154 [2021-03-11 09:37:32,286 INFO L226 Difference]: Without dead ends: 4934 [2021-03-11 09:37:32,289 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-03-11 09:37:32,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4934 states. [2021-03-11 09:37:32,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4934 to 4895. [2021-03-11 09:37:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4895 states, 4891 states have (on average 3.2615007156000817) internal successors, (15952), 4894 states have internal predecessors, (15952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 15952 transitions. [2021-03-11 09:37:32,484 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 15952 transitions. Word has length 17 [2021-03-11 09:37:32,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:32,484 INFO L480 AbstractCegarLoop]: Abstraction has 4895 states and 15952 transitions. [2021-03-11 09:37:32,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 15952 transitions. [2021-03-11 09:37:32,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-03-11 09:37:32,488 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:32,488 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:32,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 09:37:32,488 INFO L428 AbstractCegarLoop]: === Iteration 9 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:32,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:32,489 INFO L82 PathProgramCache]: Analyzing trace with hash -53067912, now seen corresponding path program 1 times [2021-03-11 09:37:32,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:32,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528096887] [2021-03-11 09:37:32,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:32,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:32,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:32,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:32,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528096887] [2021-03-11 09:37:32,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:32,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 09:37:32,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989023258] [2021-03-11 09:37:32,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 09:37:32,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:32,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 09:37:32,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:32,534 INFO L87 Difference]: Start difference. First operand 4895 states and 15952 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:32,567 INFO L93 Difference]: Finished difference Result 4895 states and 15836 transitions. [2021-03-11 09:37:32,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 09:37:32,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2021-03-11 09:37:32,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:32,579 INFO L225 Difference]: With dead ends: 4895 [2021-03-11 09:37:32,580 INFO L226 Difference]: Without dead ends: 3489 [2021-03-11 09:37:32,580 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:32,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3489 states. [2021-03-11 09:37:32,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3489 to 2845. [2021-03-11 09:37:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2845 states, 2841 states have (on average 3.172474480816614) internal successors, (9013), 2844 states have internal predecessors, (9013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2845 states and 9013 transitions. [2021-03-11 09:37:32,643 INFO L78 Accepts]: Start accepts. Automaton has 2845 states and 9013 transitions. Word has length 19 [2021-03-11 09:37:32,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:32,644 INFO L480 AbstractCegarLoop]: Abstraction has 2845 states and 9013 transitions. [2021-03-11 09:37:32,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 9013 transitions. [2021-03-11 09:37:32,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-03-11 09:37:32,647 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:32,647 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:32,647 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 09:37:32,647 INFO L428 AbstractCegarLoop]: === Iteration 10 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:32,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:32,647 INFO L82 PathProgramCache]: Analyzing trace with hash 747870240, now seen corresponding path program 1 times [2021-03-11 09:37:32,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:32,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052894473] [2021-03-11 09:37:32,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:32,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:32,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:32,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052894473] [2021-03-11 09:37:32,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:32,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 09:37:32,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353256120] [2021-03-11 09:37:32,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 09:37:32,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:32,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 09:37:32,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:32,691 INFO L87 Difference]: Start difference. First operand 2845 states and 9013 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:32,716 INFO L93 Difference]: Finished difference Result 2845 states and 8920 transitions. [2021-03-11 09:37:32,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 09:37:32,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2021-03-11 09:37:32,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:32,720 INFO L225 Difference]: With dead ends: 2845 [2021-03-11 09:37:32,720 INFO L226 Difference]: Without dead ends: 1408 [2021-03-11 09:37:32,721 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:32,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2021-03-11 09:37:32,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1262. [2021-03-11 09:37:32,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1262 states, 1258 states have (on average 2.6875993640699525) internal successors, (3381), 1261 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1262 states and 3381 transitions. [2021-03-11 09:37:32,743 INFO L78 Accepts]: Start accepts. Automaton has 1262 states and 3381 transitions. Word has length 19 [2021-03-11 09:37:32,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:32,743 INFO L480 AbstractCegarLoop]: Abstraction has 1262 states and 3381 transitions. [2021-03-11 09:37:32,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 3381 transitions. [2021-03-11 09:37:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 09:37:32,745 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:32,745 INFO L519 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] [2021-03-11 09:37:32,745 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 09:37:32,746 INFO L428 AbstractCegarLoop]: === Iteration 11 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:32,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:32,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1491340673, now seen corresponding path program 1 times [2021-03-11 09:37:32,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:32,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400095471] [2021-03-11 09:37:32,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:32,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:32,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:32,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400095471] [2021-03-11 09:37:32,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:32,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 09:37:32,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110159327] [2021-03-11 09:37:32,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 09:37:32,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:32,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 09:37:32,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:32,818 INFO L87 Difference]: Start difference. First operand 1262 states and 3381 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:32,836 INFO L93 Difference]: Finished difference Result 1154 states and 3011 transitions. [2021-03-11 09:37:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 09:37:32,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 09:37:32,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:32,839 INFO L225 Difference]: With dead ends: 1154 [2021-03-11 09:37:32,839 INFO L226 Difference]: Without dead ends: 1154 [2021-03-11 09:37:32,840 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:32,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2021-03-11 09:37:32,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1102. [2021-03-11 09:37:32,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1102 states, 1098 states have (on average 2.6730418943533696) internal successors, (2935), 1101 states have internal predecessors, (2935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 2935 transitions. [2021-03-11 09:37:32,858 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 2935 transitions. Word has length 22 [2021-03-11 09:37:32,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:32,858 INFO L480 AbstractCegarLoop]: Abstraction has 1102 states and 2935 transitions. [2021-03-11 09:37:32,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 2935 transitions. [2021-03-11 09:37:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 09:37:32,860 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:32,860 INFO L519 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] [2021-03-11 09:37:32,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 09:37:32,860 INFO L428 AbstractCegarLoop]: === Iteration 12 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:32,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:32,860 INFO L82 PathProgramCache]: Analyzing trace with hash 801339026, now seen corresponding path program 1 times [2021-03-11 09:37:32,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:32,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318335498] [2021-03-11 09:37:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:32,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:32,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:32,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:32,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318335498] [2021-03-11 09:37:32,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:32,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 09:37:32,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103092306] [2021-03-11 09:37:32,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 09:37:32,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:32,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 09:37:32,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:32,896 INFO L87 Difference]: Start difference. First operand 1102 states and 2935 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:32,916 INFO L93 Difference]: Finished difference Result 1048 states and 2640 transitions. [2021-03-11 09:37:32,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 09:37:32,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 09:37:32,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:32,918 INFO L225 Difference]: With dead ends: 1048 [2021-03-11 09:37:32,918 INFO L226 Difference]: Without dead ends: 1048 [2021-03-11 09:37:32,919 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:32,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2021-03-11 09:37:32,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 996. [2021-03-11 09:37:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 996 states, 992 states have (on average 2.5846774193548385) internal successors, (2564), 995 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 2564 transitions. [2021-03-11 09:37:32,934 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 2564 transitions. Word has length 22 [2021-03-11 09:37:32,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:32,934 INFO L480 AbstractCegarLoop]: Abstraction has 996 states and 2564 transitions. [2021-03-11 09:37:32,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 2564 transitions. [2021-03-11 09:37:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 09:37:32,937 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:32,937 INFO L519 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] [2021-03-11 09:37:32,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 09:37:32,937 INFO L428 AbstractCegarLoop]: === Iteration 13 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:32,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:32,937 INFO L82 PathProgramCache]: Analyzing trace with hash 801340018, now seen corresponding path program 1 times [2021-03-11 09:37:32,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:32,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232308758] [2021-03-11 09:37:32,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:32,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:32,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:32,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:32,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:32,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:32,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232308758] [2021-03-11 09:37:32,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:32,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:32,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17907951] [2021-03-11 09:37:32,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:32,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:32,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:32,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:32,995 INFO L87 Difference]: Start difference. First operand 996 states and 2564 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:33,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:33,060 INFO L93 Difference]: Finished difference Result 980 states and 2429 transitions. [2021-03-11 09:37:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 09:37:33,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 09:37:33,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:33,063 INFO L225 Difference]: With dead ends: 980 [2021-03-11 09:37:33,064 INFO L226 Difference]: Without dead ends: 920 [2021-03-11 09:37:33,064 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.6ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-11 09:37:33,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2021-03-11 09:37:33,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 840. [2021-03-11 09:37:33,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 838 states have (on average 2.5692124105011933) internal successors, (2153), 839 states have internal predecessors, (2153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 2153 transitions. [2021-03-11 09:37:33,077 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 2153 transitions. Word has length 22 [2021-03-11 09:37:33,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:33,077 INFO L480 AbstractCegarLoop]: Abstraction has 840 states and 2153 transitions. [2021-03-11 09:37:33,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:33,077 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 2153 transitions. [2021-03-11 09:37:33,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 09:37:33,080 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:33,080 INFO L519 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] [2021-03-11 09:37:33,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 09:37:33,080 INFO L428 AbstractCegarLoop]: === Iteration 14 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:33,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:33,080 INFO L82 PathProgramCache]: Analyzing trace with hash -2080310685, now seen corresponding path program 1 times [2021-03-11 09:37:33,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:33,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601286132] [2021-03-11 09:37:33,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:33,126 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:33,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:33,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:33,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:33,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:33,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:33,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:33,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:33,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:33,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601286132] [2021-03-11 09:37:33,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:33,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 09:37:33,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443909686] [2021-03-11 09:37:33,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 09:37:33,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:33,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 09:37:33,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:37:33,182 INFO L87 Difference]: Start difference. First operand 840 states and 2153 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:33,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:33,553 INFO L93 Difference]: Finished difference Result 1062 states and 2644 transitions. [2021-03-11 09:37:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 09:37:33,554 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-03-11 09:37:33,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:33,556 INFO L225 Difference]: With dead ends: 1062 [2021-03-11 09:37:33,556 INFO L226 Difference]: Without dead ends: 1062 [2021-03-11 09:37:33,556 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 120.7ms TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2021-03-11 09:37:33,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2021-03-11 09:37:33,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 853. [2021-03-11 09:37:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 851 states have (on average 2.5640423031727377) internal successors, (2182), 852 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 2182 transitions. [2021-03-11 09:37:33,570 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 2182 transitions. Word has length 23 [2021-03-11 09:37:33,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:33,570 INFO L480 AbstractCegarLoop]: Abstraction has 853 states and 2182 transitions. [2021-03-11 09:37:33,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 2182 transitions. [2021-03-11 09:37:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 09:37:33,572 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:33,572 INFO L519 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] [2021-03-11 09:37:33,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 09:37:33,572 INFO L428 AbstractCegarLoop]: === Iteration 15 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:33,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:33,572 INFO L82 PathProgramCache]: Analyzing trace with hash -807237827, now seen corresponding path program 2 times [2021-03-11 09:37:33,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:33,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376556975] [2021-03-11 09:37:33,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:33,599 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:33,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:33,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:33,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:33,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:33,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:33,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:33,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:33,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:33,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:33,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376556975] [2021-03-11 09:37:33,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:33,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 09:37:33,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885887213] [2021-03-11 09:37:33,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 09:37:33,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:33,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 09:37:33,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:37:33,660 INFO L87 Difference]: Start difference. First operand 853 states and 2182 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:34,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:34,242 INFO L93 Difference]: Finished difference Result 1529 states and 3765 transitions. [2021-03-11 09:37:34,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-11 09:37:34,242 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-03-11 09:37:34,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:34,245 INFO L225 Difference]: With dead ends: 1529 [2021-03-11 09:37:34,245 INFO L226 Difference]: Without dead ends: 1529 [2021-03-11 09:37:34,245 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 201.5ms TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2021-03-11 09:37:34,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2021-03-11 09:37:34,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1036. [2021-03-11 09:37:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1034 states have (on average 2.5570599613152805) internal successors, (2644), 1035 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 2644 transitions. [2021-03-11 09:37:34,268 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 2644 transitions. Word has length 23 [2021-03-11 09:37:34,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:34,268 INFO L480 AbstractCegarLoop]: Abstraction has 1036 states and 2644 transitions. [2021-03-11 09:37:34,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 2644 transitions. [2021-03-11 09:37:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 09:37:34,271 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:34,271 INFO L519 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] [2021-03-11 09:37:34,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 09:37:34,272 INFO L428 AbstractCegarLoop]: === Iteration 16 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:34,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:34,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1682254122, now seen corresponding path program 1 times [2021-03-11 09:37:34,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:34,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122276917] [2021-03-11 09:37:34,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:34,300 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:34,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:34,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:34,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:34,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:34,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:34,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:34,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:34,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:34,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:34,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:34,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:34,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:34,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:34,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:34,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122276917] [2021-03-11 09:37:34,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:34,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 09:37:34,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438260333] [2021-03-11 09:37:34,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 09:37:34,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:34,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 09:37:34,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-11 09:37:34,348 INFO L87 Difference]: Start difference. First operand 1036 states and 2644 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:34,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:34,688 INFO L93 Difference]: Finished difference Result 1238 states and 3092 transitions. [2021-03-11 09:37:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 09:37:34,688 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-03-11 09:37:34,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:34,692 INFO L225 Difference]: With dead ends: 1238 [2021-03-11 09:37:34,692 INFO L226 Difference]: Without dead ends: 1238 [2021-03-11 09:37:34,692 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 79.1ms TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-03-11 09:37:34,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2021-03-11 09:37:34,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1049. [2021-03-11 09:37:34,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1049 states, 1047 states have (on average 2.5530085959885387) internal successors, (2673), 1048 states have internal predecessors, (2673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 2673 transitions. [2021-03-11 09:37:34,712 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 2673 transitions. Word has length 23 [2021-03-11 09:37:34,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:34,712 INFO L480 AbstractCegarLoop]: Abstraction has 1049 states and 2673 transitions. [2021-03-11 09:37:34,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:34,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 2673 transitions. [2021-03-11 09:37:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 09:37:34,714 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:34,714 INFO L519 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] [2021-03-11 09:37:34,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-11 09:37:34,715 INFO L428 AbstractCegarLoop]: === Iteration 17 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:34,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:34,715 INFO L82 PathProgramCache]: Analyzing trace with hash 913758758, now seen corresponding path program 2 times [2021-03-11 09:37:34,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:34,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346099713] [2021-03-11 09:37:34,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:34,760 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:34,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:34,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:34,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:34,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:34,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:34,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:34,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:34,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:34,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:34,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:34,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:34,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:34,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:34,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346099713] [2021-03-11 09:37:34,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:34,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 09:37:34,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699100976] [2021-03-11 09:37:34,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 09:37:34,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:34,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 09:37:34,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-11 09:37:34,817 INFO L87 Difference]: Start difference. First operand 1049 states and 2673 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:35,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:35,197 INFO L93 Difference]: Finished difference Result 1355 states and 3420 transitions. [2021-03-11 09:37:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 09:37:35,198 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-03-11 09:37:35,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:35,201 INFO L225 Difference]: With dead ends: 1355 [2021-03-11 09:37:35,201 INFO L226 Difference]: Without dead ends: 1355 [2021-03-11 09:37:35,201 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 94.1ms TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:37:35,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2021-03-11 09:37:35,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1041. [2021-03-11 09:37:35,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 1039 states have (on average 2.553416746871992) internal successors, (2653), 1040 states have internal predecessors, (2653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 2653 transitions. [2021-03-11 09:37:35,221 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 2653 transitions. Word has length 23 [2021-03-11 09:37:35,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:35,221 INFO L480 AbstractCegarLoop]: Abstraction has 1041 states and 2653 transitions. [2021-03-11 09:37:35,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:35,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 2653 transitions. [2021-03-11 09:37:35,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 09:37:35,223 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:35,223 INFO L519 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] [2021-03-11 09:37:35,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-11 09:37:35,224 INFO L428 AbstractCegarLoop]: === Iteration 18 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:35,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:35,224 INFO L82 PathProgramCache]: Analyzing trace with hash 558003146, now seen corresponding path program 3 times [2021-03-11 09:37:35,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:35,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403676393] [2021-03-11 09:37:35,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:35,250 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:35,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:35,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:35,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:35,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:35,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:35,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:35,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:35,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:35,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:35,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403676393] [2021-03-11 09:37:35,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:35,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 09:37:35,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418377520] [2021-03-11 09:37:35,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 09:37:35,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:35,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 09:37:35,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:37:35,312 INFO L87 Difference]: Start difference. First operand 1041 states and 2653 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:35,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:35,775 INFO L93 Difference]: Finished difference Result 1387 states and 3462 transitions. [2021-03-11 09:37:35,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 09:37:35,775 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-03-11 09:37:35,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:35,778 INFO L225 Difference]: With dead ends: 1387 [2021-03-11 09:37:35,778 INFO L226 Difference]: Without dead ends: 1387 [2021-03-11 09:37:35,779 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 153.6ms TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2021-03-11 09:37:35,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2021-03-11 09:37:35,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1036. [2021-03-11 09:37:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1034 states have (on average 2.5473887814313345) internal successors, (2634), 1035 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 2634 transitions. [2021-03-11 09:37:35,800 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 2634 transitions. Word has length 23 [2021-03-11 09:37:35,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:35,800 INFO L480 AbstractCegarLoop]: Abstraction has 1036 states and 2634 transitions. [2021-03-11 09:37:35,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:35,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 2634 transitions. [2021-03-11 09:37:35,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 09:37:35,802 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:35,802 INFO L519 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] [2021-03-11 09:37:35,802 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-11 09:37:35,802 INFO L428 AbstractCegarLoop]: === Iteration 19 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:35,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:35,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1406940657, now seen corresponding path program 1 times [2021-03-11 09:37:35,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:35,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587746298] [2021-03-11 09:37:35,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:35,835 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:35,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:35,841 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:35,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:35,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:35,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:35,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:35,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:35,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:35,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:35,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587746298] [2021-03-11 09:37:35,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:35,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 09:37:35,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406571410] [2021-03-11 09:37:35,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 09:37:35,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:35,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 09:37:35,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:37:35,883 INFO L87 Difference]: Start difference. First operand 1036 states and 2634 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:36,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:36,244 INFO L93 Difference]: Finished difference Result 1689 states and 4197 transitions. [2021-03-11 09:37:36,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 09:37:36,245 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-03-11 09:37:36,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:36,248 INFO L225 Difference]: With dead ends: 1689 [2021-03-11 09:37:36,248 INFO L226 Difference]: Without dead ends: 1689 [2021-03-11 09:37:36,249 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 109.9ms TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2021-03-11 09:37:36,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2021-03-11 09:37:36,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1099. [2021-03-11 09:37:36,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1097 states have (on average 2.5296262534184137) internal successors, (2775), 1098 states have internal predecessors, (2775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2775 transitions. [2021-03-11 09:37:36,267 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2775 transitions. Word has length 23 [2021-03-11 09:37:36,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:36,267 INFO L480 AbstractCegarLoop]: Abstraction has 1099 states and 2775 transitions. [2021-03-11 09:37:36,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2775 transitions. [2021-03-11 09:37:36,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 09:37:36,269 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:36,269 INFO L519 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] [2021-03-11 09:37:36,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-11 09:37:36,269 INFO L428 AbstractCegarLoop]: === Iteration 20 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:36,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:36,269 INFO L82 PathProgramCache]: Analyzing trace with hash 653434694, now seen corresponding path program 1 times [2021-03-11 09:37:36,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:36,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962616082] [2021-03-11 09:37:36,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:36,300 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:36,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:36,309 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:36,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:36,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:36,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:36,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:36,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:36,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:36,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:36,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:36,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:36,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:36,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:36,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:36,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:36,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962616082] [2021-03-11 09:37:36,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:36,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 09:37:36,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549435493] [2021-03-11 09:37:36,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 09:37:36,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:36,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 09:37:36,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:37:36,353 INFO L87 Difference]: Start difference. First operand 1099 states and 2775 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:36,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:36,739 INFO L93 Difference]: Finished difference Result 1556 states and 3926 transitions. [2021-03-11 09:37:36,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 09:37:36,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-03-11 09:37:36,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:36,742 INFO L225 Difference]: With dead ends: 1556 [2021-03-11 09:37:36,742 INFO L226 Difference]: Without dead ends: 1556 [2021-03-11 09:37:36,742 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 106.9ms TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2021-03-11 09:37:36,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2021-03-11 09:37:36,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1062. [2021-03-11 09:37:36,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 1060 states have (on average 2.5764150943396227) internal successors, (2731), 1061 states have internal predecessors, (2731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:36,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 2731 transitions. [2021-03-11 09:37:36,759 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 2731 transitions. Word has length 23 [2021-03-11 09:37:36,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:36,759 INFO L480 AbstractCegarLoop]: Abstraction has 1062 states and 2731 transitions. [2021-03-11 09:37:36,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:36,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 2731 transitions. [2021-03-11 09:37:36,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 09:37:36,761 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:36,761 INFO L519 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] [2021-03-11 09:37:36,761 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-11 09:37:36,761 INFO L428 AbstractCegarLoop]: === Iteration 21 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:36,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:36,761 INFO L82 PathProgramCache]: Analyzing trace with hash -333663069, now seen corresponding path program 3 times [2021-03-11 09:37:36,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:36,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806798981] [2021-03-11 09:37:36,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:36,793 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:36,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:36,800 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:36,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:36,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:36,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:36,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:36,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:36,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:36,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:36,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:36,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:36,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:36,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:36,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:36,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:36,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806798981] [2021-03-11 09:37:36,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:36,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 09:37:36,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381996025] [2021-03-11 09:37:36,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 09:37:36,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:36,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 09:37:36,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:37:36,850 INFO L87 Difference]: Start difference. First operand 1062 states and 2731 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:37,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:37,231 INFO L93 Difference]: Finished difference Result 1564 states and 3918 transitions. [2021-03-11 09:37:37,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 09:37:37,232 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-03-11 09:37:37,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:37,234 INFO L225 Difference]: With dead ends: 1564 [2021-03-11 09:37:37,234 INFO L226 Difference]: Without dead ends: 1564 [2021-03-11 09:37:37,234 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 124.4ms TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2021-03-11 09:37:37,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2021-03-11 09:37:37,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1010. [2021-03-11 09:37:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 1008 states have (on average 2.5902777777777777) internal successors, (2611), 1009 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 2611 transitions. [2021-03-11 09:37:37,254 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 2611 transitions. Word has length 23 [2021-03-11 09:37:37,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:37,254 INFO L480 AbstractCegarLoop]: Abstraction has 1010 states and 2611 transitions. [2021-03-11 09:37:37,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 2611 transitions. [2021-03-11 09:37:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 09:37:37,256 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:37,256 INFO L519 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] [2021-03-11 09:37:37,256 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-11 09:37:37,256 INFO L428 AbstractCegarLoop]: === Iteration 22 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:37,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:37,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1622289046, now seen corresponding path program 4 times [2021-03-11 09:37:37,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:37,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888316570] [2021-03-11 09:37:37,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:37,281 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:37,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:37,288 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:37,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:37,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:37,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:37,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:37,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:37,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:37,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:37,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:37,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:37,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:37,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:37,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:37,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888316570] [2021-03-11 09:37:37,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:37,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 09:37:37,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280313182] [2021-03-11 09:37:37,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 09:37:37,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:37,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 09:37:37,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:37:37,366 INFO L87 Difference]: Start difference. First operand 1010 states and 2611 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:37,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:37,634 INFO L93 Difference]: Finished difference Result 1531 states and 3828 transitions. [2021-03-11 09:37:37,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 09:37:37,634 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-03-11 09:37:37,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:37,637 INFO L225 Difference]: With dead ends: 1531 [2021-03-11 09:37:37,637 INFO L226 Difference]: Without dead ends: 1531 [2021-03-11 09:37:37,637 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 94.4ms TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:37:37,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2021-03-11 09:37:37,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1008. [2021-03-11 09:37:37,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 1006 states have (on average 2.588469184890656) internal successors, (2604), 1007 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:37,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 2604 transitions. [2021-03-11 09:37:37,653 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 2604 transitions. Word has length 23 [2021-03-11 09:37:37,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:37,654 INFO L480 AbstractCegarLoop]: Abstraction has 1008 states and 2604 transitions. [2021-03-11 09:37:37,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:37,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 2604 transitions. [2021-03-11 09:37:37,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 09:37:37,655 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:37,655 INFO L519 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] [2021-03-11 09:37:37,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-11 09:37:37,655 INFO L428 AbstractCegarLoop]: === Iteration 23 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:37,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:37,656 INFO L82 PathProgramCache]: Analyzing trace with hash 705981680, now seen corresponding path program 5 times [2021-03-11 09:37:37,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:37,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969948888] [2021-03-11 09:37:37,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:37,677 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:37,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:37,684 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 09:37:37,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:37:37,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:37,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:37,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:37,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:37,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:37,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:37,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:37,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 09:37:37,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:37,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:37,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:37,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:37,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969948888] [2021-03-11 09:37:37,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:37,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 09:37:37,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982883161] [2021-03-11 09:37:37,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 09:37:37,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:37,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 09:37:37,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:37:37,727 INFO L87 Difference]: Start difference. First operand 1008 states and 2604 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:38,155 INFO L93 Difference]: Finished difference Result 1374 states and 3542 transitions. [2021-03-11 09:37:38,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 09:37:38,155 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-03-11 09:37:38,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:38,157 INFO L225 Difference]: With dead ends: 1374 [2021-03-11 09:37:38,158 INFO L226 Difference]: Without dead ends: 1374 [2021-03-11 09:37:38,158 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 113.5ms TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2021-03-11 09:37:38,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2021-03-11 09:37:38,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 872. [2021-03-11 09:37:38,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 870 states have (on average 2.5919540229885056) internal successors, (2255), 871 states have internal predecessors, (2255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 2255 transitions. [2021-03-11 09:37:38,174 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 2255 transitions. Word has length 23 [2021-03-11 09:37:38,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:38,174 INFO L480 AbstractCegarLoop]: Abstraction has 872 states and 2255 transitions. [2021-03-11 09:37:38,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,174 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 2255 transitions. [2021-03-11 09:37:38,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-03-11 09:37:38,176 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:38,176 INFO L519 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] [2021-03-11 09:37:38,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-11 09:37:38,176 INFO L428 AbstractCegarLoop]: === Iteration 24 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:38,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:38,176 INFO L82 PathProgramCache]: Analyzing trace with hash -171145514, now seen corresponding path program 1 times [2021-03-11 09:37:38,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:38,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625797035] [2021-03-11 09:37:38,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:38,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:38,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:38,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:38,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:38,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:38,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:38,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:38,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:38,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625797035] [2021-03-11 09:37:38,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:38,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 09:37:38,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014649321] [2021-03-11 09:37:38,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 09:37:38,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:38,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 09:37:38,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-11 09:37:38,246 INFO L87 Difference]: Start difference. First operand 872 states and 2255 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:38,429 INFO L93 Difference]: Finished difference Result 1149 states and 2962 transitions. [2021-03-11 09:37:38,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 09:37:38,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2021-03-11 09:37:38,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:38,431 INFO L225 Difference]: With dead ends: 1149 [2021-03-11 09:37:38,431 INFO L226 Difference]: Without dead ends: 741 [2021-03-11 09:37:38,431 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 72.1ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-03-11 09:37:38,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2021-03-11 09:37:38,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 594. [2021-03-11 09:37:38,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 592 states have (on average 2.5489864864864864) internal successors, (1509), 593 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 1509 transitions. [2021-03-11 09:37:38,440 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 1509 transitions. Word has length 28 [2021-03-11 09:37:38,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:38,440 INFO L480 AbstractCegarLoop]: Abstraction has 594 states and 1509 transitions. [2021-03-11 09:37:38,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,440 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1509 transitions. [2021-03-11 09:37:38,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-03-11 09:37:38,441 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:38,441 INFO L519 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] [2021-03-11 09:37:38,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-11 09:37:38,441 INFO L428 AbstractCegarLoop]: === Iteration 25 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:38,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:38,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1944111346, now seen corresponding path program 1 times [2021-03-11 09:37:38,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:38,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950817895] [2021-03-11 09:37:38,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:38,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:38,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:38,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:38,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:38,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:38,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:38,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950817895] [2021-03-11 09:37:38,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:38,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 09:37:38,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994811522] [2021-03-11 09:37:38,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 09:37:38,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:38,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 09:37:38,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-11 09:37:38,490 INFO L87 Difference]: Start difference. First operand 594 states and 1509 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:38,643 INFO L93 Difference]: Finished difference Result 694 states and 1802 transitions. [2021-03-11 09:37:38,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 09:37:38,643 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2021-03-11 09:37:38,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:38,644 INFO L225 Difference]: With dead ends: 694 [2021-03-11 09:37:38,644 INFO L226 Difference]: Without dead ends: 447 [2021-03-11 09:37:38,644 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 74.9ms TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-03-11 09:37:38,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-03-11 09:37:38,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 399. [2021-03-11 09:37:38,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 397 states have (on average 2.473551637279597) internal successors, (982), 398 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 982 transitions. [2021-03-11 09:37:38,653 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 982 transitions. Word has length 28 [2021-03-11 09:37:38,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:38,653 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 982 transitions. [2021-03-11 09:37:38,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,653 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 982 transitions. [2021-03-11 09:37:38,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-03-11 09:37:38,654 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:38,654 INFO L519 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] [2021-03-11 09:37:38,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-11 09:37:38,654 INFO L428 AbstractCegarLoop]: === Iteration 26 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:38,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:38,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1808392660, now seen corresponding path program 2 times [2021-03-11 09:37:38,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:38,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554906053] [2021-03-11 09:37:38,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:38,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:38,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:38,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:38,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:38,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554906053] [2021-03-11 09:37:38,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:38,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:38,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792239184] [2021-03-11 09:37:38,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 09:37:38,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:38,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 09:37:38,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 09:37:38,712 INFO L87 Difference]: Start difference. First operand 399 states and 982 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:38,746 INFO L93 Difference]: Finished difference Result 337 states and 868 transitions. [2021-03-11 09:37:38,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 09:37:38,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2021-03-11 09:37:38,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:38,747 INFO L225 Difference]: With dead ends: 337 [2021-03-11 09:37:38,747 INFO L226 Difference]: Without dead ends: 243 [2021-03-11 09:37:38,747 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:38,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-03-11 09:37:38,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2021-03-11 09:37:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 242 states have (on average 2.4958677685950414) internal successors, (604), 242 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 604 transitions. [2021-03-11 09:37:38,751 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 604 transitions. Word has length 28 [2021-03-11 09:37:38,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:38,751 INFO L480 AbstractCegarLoop]: Abstraction has 243 states and 604 transitions. [2021-03-11 09:37:38,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,751 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 604 transitions. [2021-03-11 09:37:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-03-11 09:37:38,752 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:38,752 INFO L519 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] [2021-03-11 09:37:38,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-11 09:37:38,752 INFO L428 AbstractCegarLoop]: === Iteration 27 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:38,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:38,752 INFO L82 PathProgramCache]: Analyzing trace with hash -410850614, now seen corresponding path program 2 times [2021-03-11 09:37:38,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:38,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182098047] [2021-03-11 09:37:38,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:38,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:38,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:38,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:38,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:38,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:38,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:38,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:38,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:38,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:38,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182098047] [2021-03-11 09:37:38,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:38,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 09:37:38,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222104494] [2021-03-11 09:37:38,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 09:37:38,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:38,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 09:37:38,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-11 09:37:38,820 INFO L87 Difference]: Start difference. First operand 243 states and 604 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:38,989 INFO L93 Difference]: Finished difference Result 365 states and 893 transitions. [2021-03-11 09:37:38,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 09:37:38,989 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2021-03-11 09:37:38,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:38,990 INFO L225 Difference]: With dead ends: 365 [2021-03-11 09:37:38,990 INFO L226 Difference]: Without dead ends: 290 [2021-03-11 09:37:38,990 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 70.4ms TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-03-11 09:37:38,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-03-11 09:37:38,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 241. [2021-03-11 09:37:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 2.4791666666666665) internal successors, (595), 240 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 595 transitions. [2021-03-11 09:37:38,994 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 595 transitions. Word has length 28 [2021-03-11 09:37:38,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:38,994 INFO L480 AbstractCegarLoop]: Abstraction has 241 states and 595 transitions. [2021-03-11 09:37:38,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 595 transitions. [2021-03-11 09:37:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-03-11 09:37:38,994 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:38,995 INFO L519 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] [2021-03-11 09:37:38,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-11 09:37:38,995 INFO L428 AbstractCegarLoop]: === Iteration 28 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:38,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:38,995 INFO L82 PathProgramCache]: Analyzing trace with hash -2011288468, now seen corresponding path program 3 times [2021-03-11 09:37:38,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:38,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253356895] [2021-03-11 09:37:38,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:39,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:39,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:39,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:39,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:39,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:39,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:39,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:39,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:39,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253356895] [2021-03-11 09:37:39,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:39,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 09:37:39,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925727698] [2021-03-11 09:37:39,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 09:37:39,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:39,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 09:37:39,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-03-11 09:37:39,063 INFO L87 Difference]: Start difference. First operand 241 states and 595 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:39,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:39,198 INFO L93 Difference]: Finished difference Result 309 states and 754 transitions. [2021-03-11 09:37:39,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 09:37:39,198 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2021-03-11 09:37:39,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:39,199 INFO L225 Difference]: With dead ends: 309 [2021-03-11 09:37:39,199 INFO L226 Difference]: Without dead ends: 185 [2021-03-11 09:37:39,199 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 64.8ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-03-11 09:37:39,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-03-11 09:37:39,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-03-11 09:37:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 184 states have (on average 2.135869565217391) internal successors, (393), 184 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:39,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 393 transitions. [2021-03-11 09:37:39,202 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 393 transitions. Word has length 28 [2021-03-11 09:37:39,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:39,202 INFO L480 AbstractCegarLoop]: Abstraction has 185 states and 393 transitions. [2021-03-11 09:37:39,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 393 transitions. [2021-03-11 09:37:39,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-03-11 09:37:39,203 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:39,203 INFO L519 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] [2021-03-11 09:37:39,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-11 09:37:39,203 INFO L428 AbstractCegarLoop]: === Iteration 29 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:39,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:39,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1401572774, now seen corresponding path program 4 times [2021-03-11 09:37:39,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:39,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597461050] [2021-03-11 09:37:39,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:39,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:39,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:39,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:39,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:39,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:37:39,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:39,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:39,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:39,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597461050] [2021-03-11 09:37:39,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:39,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 09:37:39,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784707852] [2021-03-11 09:37:39,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 09:37:39,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:39,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 09:37:39,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-11 09:37:39,290 INFO L87 Difference]: Start difference. First operand 185 states and 393 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:39,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:39,387 INFO L93 Difference]: Finished difference Result 161 states and 347 transitions. [2021-03-11 09:37:39,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 09:37:39,387 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2021-03-11 09:37:39,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:39,387 INFO L225 Difference]: With dead ends: 161 [2021-03-11 09:37:39,387 INFO L226 Difference]: Without dead ends: 0 [2021-03-11 09:37:39,388 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 72.0ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-03-11 09:37:39,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-03-11 09:37:39,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-03-11 09:37:39,388 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) [2021-03-11 09:37:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-03-11 09:37:39,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-03-11 09:37:39,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:39,388 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-03-11 09:37:39,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-03-11 09:37:39,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-11 09:37:39,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-11 09:37:39,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 09:37:39 BasicIcfg [2021-03-11 09:37:39,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 09:37:39,395 INFO L168 Benchmark]: Toolchain (without parser) took 20684.61 ms. Allocated memory was 255.9 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 236.4 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 713.6 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:39,395 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 09:37:39,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.98 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 236.0 MB in the beginning and 315.8 MB in the end (delta: -79.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:39,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.01 ms. Allocated memory is still 354.4 MB. Free memory was 315.8 MB in the beginning and 313.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:39,396 INFO L168 Benchmark]: Boogie Preprocessor took 27.16 ms. Allocated memory is still 354.4 MB. Free memory was 313.3 MB in the beginning and 311.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:39,396 INFO L168 Benchmark]: RCFGBuilder took 1092.39 ms. Allocated memory is still 354.4 MB. Free memory was 311.2 MB in the beginning and 303.3 MB in the end (delta: 7.9 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:39,397 INFO L168 Benchmark]: TraceAbstraction took 19007.59 ms. Allocated memory was 354.4 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 302.3 MB in the beginning and 2.0 GB in the end (delta: -1.7 GB). Peak memory consumption was 681.3 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:39,404 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 494.98 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 236.0 MB in the beginning and 315.8 MB in the end (delta: -79.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 54.01 ms. Allocated memory is still 354.4 MB. Free memory was 315.8 MB in the beginning and 313.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.16 ms. Allocated memory is still 354.4 MB. Free memory was 313.3 MB in the beginning and 311.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1092.39 ms. Allocated memory is still 354.4 MB. Free memory was 311.2 MB in the beginning and 303.3 MB in the end (delta: 7.9 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 19007.59 ms. Allocated memory was 354.4 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 302.3 MB in the beginning and 2.0 GB in the end (delta: -1.7 GB). Peak memory consumption was 681.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6757.0ms, 161 PlacesBefore, 66 PlacesAfterwards, 175 TransitionsBefore, 76 TransitionsAfterwards, 10120 CoEnabledTransitionPairs, 5 FixpointIterations, 32 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 4 ChoiceCompositions, 128 TotalNumberOfCompositions, 25376 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15315, positive: 15023, positive conditional: 0, positive unconditional: 15023, negative: 292, negative conditional: 0, negative unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7064, positive: 6938, positive conditional: 0, positive unconditional: 6938, negative: 126, negative conditional: 0, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7064, positive: 6903, positive conditional: 0, positive unconditional: 6903, negative: 161, negative conditional: 0, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 126, negative conditional: 0, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 825, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 676, negative conditional: 0, negative unconditional: 676, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15315, positive: 8085, positive conditional: 0, positive unconditional: 8085, negative: 166, negative conditional: 0, negative unconditional: 166, unknown: 7064, unknown conditional: 0, unknown unconditional: 7064] , Statistics on independence cache: Total cache size (in pairs): 1057, Positive cache size: 1010, Positive conditional cache size: 0, Positive unconditional cache size: 1010, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47 - 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 152 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18846.6ms, OverallIterations: 29, TraceHistogramMax: 1, EmptinessCheckTime: 113.1ms, AutomataDifference: 7010.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7031.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2721 SDtfs, 3501 SDslu, 6534 SDs, 0 SdLazy, 6015 SolverSat, 629 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3496.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 278 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 249 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 1919.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=6903occurred in iteration=5, InterpolantAutomatonStates: 262, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2322.5ms AutomataMinimizationTime, 29 MinimizatonAttempts, 16976 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 69.5ms SsaConstructionTime, 393.6ms SatisfiabilityAnalysisTime, 1605.5ms InterpolantComputationTime, 625 NumberOfCodeBlocks, 625 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 596 ConstructedInterpolants, 0 QuantifiedInterpolants, 3111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...