/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 08:00:53,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 08:00:53,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 08:00:53,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 08:00:53,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 08:00:53,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 08:00:53,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 08:00:53,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 08:00:53,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 08:00:53,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 08:00:53,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 08:00:53,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 08:00:53,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 08:00:53,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 08:00:53,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 08:00:53,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 08:00:53,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 08:00:53,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 08:00:53,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 08:00:53,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 08:00:53,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 08:00:53,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 08:00:53,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 08:00:53,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 08:00:53,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 08:00:53,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 08:00:53,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 08:00:53,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 08:00:53,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2021-06-05 08:00:54,040 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 08:00:54,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 08:00:54,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 08:00:54,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 08:00:54,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 08:00:54,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 08:00:54,043 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 08:00:54,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 08:00:54,044 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 08:00:54,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 08:00:54,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 08:00:54,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 08:00:54,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 08:00:54,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 08:00:54,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 08:00:54,045 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 08:00:54,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 08:00:54,046 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 08:00:54,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 08:00:54,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 08:00:54,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 08:00:54,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 08:00:54,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 08:00:54,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 08:00:54,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 08:00:54,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 08:00:54,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 08:00:54,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 08:00:54,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 08:00:54,048 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 08:00:54,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 08:00:54,048 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 08:00:54,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 08:00:54,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 08:00:54,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 08:00:54,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 08:00:54,466 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 08:00:54,481 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 08:00:54,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2021-06-05 08:00:54,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/619d3f930/85a2cb2959834488a199ae48b9cab4e1/FLAG918a1dec1 [2021-06-05 08:00:55,098 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 08:00:55,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2021-06-05 08:00:55,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/619d3f930/85a2cb2959834488a199ae48b9cab4e1/FLAG918a1dec1 [2021-06-05 08:00:55,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/619d3f930/85a2cb2959834488a199ae48b9cab4e1 [2021-06-05 08:00:55,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 08:00:55,397 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 08:00:55,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 08:00:55,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 08:00:55,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 08:00:55,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:00:55" (1/1) ... [2021-06-05 08:00:55,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fae42f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55, skipping insertion in model container [2021-06-05 08:00:55,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:00:55" (1/1) ... [2021-06-05 08:00:55,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 08:00:55,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 08:00:55,782 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30694,30707] [2021-06-05 08:00:55,785 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30916,30929] [2021-06-05 08:00:55,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 08:00:55,809 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 08:00:55,839 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30694,30707] [2021-06-05 08:00:55,840 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30916,30929] [2021-06-05 08:00:55,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 08:00:55,908 INFO L208 MainTranslator]: Completed translation [2021-06-05 08:00:55,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55 WrapperNode [2021-06-05 08:00:55,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 08:00:55,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 08:00:55,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 08:00:55,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 08:00:55,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55" (1/1) ... [2021-06-05 08:00:55,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55" (1/1) ... [2021-06-05 08:00:55,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 08:00:55,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 08:00:55,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 08:00:55,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 08:00:55,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55" (1/1) ... [2021-06-05 08:00:55,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55" (1/1) ... [2021-06-05 08:00:55,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55" (1/1) ... [2021-06-05 08:00:55,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55" (1/1) ... [2021-06-05 08:00:55,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55" (1/1) ... [2021-06-05 08:00:55,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55" (1/1) ... [2021-06-05 08:00:55,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55" (1/1) ... [2021-06-05 08:00:55,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 08:00:55,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 08:00:55,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 08:00:55,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 08:00:55,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 08:00:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-06-05 08:00:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-06-05 08:00:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-06-05 08:00:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-06-05 08:00:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 08:00:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 08:00:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-06-05 08:00:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-06-05 08:00:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-05 08:00:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 08:00:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 08:00:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 08:00:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 08:00:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 08:00:56,067 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 08:00:57,072 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 08:00:57,073 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 08:00:57,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:00:57 BoogieIcfgContainer [2021-06-05 08:00:57,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 08:00:57,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 08:00:57,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 08:00:57,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 08:00:57,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 08:00:55" (1/3) ... [2021-06-05 08:00:57,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4615596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:00:57, skipping insertion in model container [2021-06-05 08:00:57,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:55" (2/3) ... [2021-06-05 08:00:57,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4615596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:00:57, skipping insertion in model container [2021-06-05 08:00:57,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:00:57" (3/3) ... [2021-06-05 08:00:57,083 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2021-06-05 08:00:57,088 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 08:00:57,088 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 08:00:57,089 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-05 08:00:57,089 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 08:00:57,147 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,148 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,148 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,148 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,148 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,148 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,148 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,148 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,149 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,149 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,149 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,149 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,149 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,149 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,150 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,150 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,150 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,150 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,150 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,152 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,152 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,152 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,152 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,152 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,153 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,153 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,153 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,153 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,154 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,154 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,154 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,154 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,155 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,155 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,155 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,155 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,155 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,155 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,155 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,156 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,156 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,156 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,156 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,156 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,156 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,156 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,156 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,157 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,157 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,157 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,157 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,157 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,157 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,158 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,158 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,158 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,158 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,158 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,159 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,159 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,159 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,159 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,159 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,159 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,159 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,159 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,160 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,160 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,160 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,160 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,160 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,161 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,161 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,161 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,161 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,161 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,161 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,162 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,162 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,162 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,162 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,162 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,163 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,163 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,163 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,163 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,163 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,163 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,163 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,164 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,164 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,165 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,166 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,166 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,169 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,170 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,170 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,171 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,177 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,177 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,177 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,177 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,178 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,178 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,178 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,178 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,178 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,178 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,178 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,178 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,179 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,179 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,179 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,181 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,181 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,181 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,181 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,181 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,181 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,181 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,182 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,182 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,182 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,182 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,182 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,182 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,182 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,183 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,184 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,184 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,184 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,185 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,185 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,185 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,185 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,185 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,185 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,185 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,186 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,186 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,186 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,186 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,186 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,186 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,187 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,187 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,187 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,187 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,187 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,187 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,187 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,187 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,187 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,188 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,188 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,188 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,188 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,188 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,195 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,196 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,196 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,196 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,197 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,198 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,198 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,198 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,198 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,198 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,199 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,199 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,199 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,199 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,199 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,199 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,199 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,199 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,200 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,200 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,200 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,200 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,200 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,200 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,201 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,201 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,202 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,202 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,202 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,202 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,202 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,202 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,202 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,202 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,203 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,207 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,207 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,207 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,207 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,208 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,216 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,218 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,234 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,234 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,234 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,234 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,234 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,235 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,235 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,235 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,236 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,236 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,236 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,236 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,237 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,237 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,237 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,239 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,240 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,240 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,240 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,240 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,240 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,240 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,240 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,240 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,241 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,241 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,241 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,241 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,241 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,243 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,243 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,244 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,244 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,245 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,245 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,245 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,245 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,245 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,245 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,245 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,245 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,245 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,245 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,245 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,246 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,246 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,246 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,246 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,246 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,246 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,246 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,246 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,246 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,246 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,246 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,246 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,249 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,249 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,249 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,249 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,249 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,250 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,250 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,250 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,250 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,252 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,253 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,253 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,253 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,253 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,254 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,254 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,254 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,254 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,254 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,254 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,254 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,254 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,254 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,254 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,254 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,255 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,255 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,255 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,255 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,255 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,255 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,255 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,255 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,255 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,256 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,256 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,256 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,256 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,256 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,256 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,256 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,256 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,256 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,256 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,258 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,259 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,259 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,259 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,259 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,259 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,259 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,259 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,259 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,259 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,259 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,259 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,260 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,260 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,260 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,260 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,260 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,260 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,260 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,261 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,262 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,262 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,262 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,262 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,262 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,262 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,262 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,262 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,262 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,262 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,262 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,263 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,263 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,263 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,263 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,263 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,263 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,263 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:57,283 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-06-05 08:00:57,305 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-05 08:00:57,334 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 08:00:57,334 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 08:00:57,334 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 08:00:57,334 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 08:00:57,334 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 08:00:57,334 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 08:00:57,334 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 08:00:57,334 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 08:00:57,350 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 170 places, 184 transitions, 410 flow [2021-06-05 08:01:12,749 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 107259 states, 107256 states have (on average 4.101253076750951) internal successors, (439884), 107258 states have internal predecessors, (439884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 107259 states, 107256 states have (on average 4.101253076750951) internal successors, (439884), 107258 states have internal predecessors, (439884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 08:01:13,032 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:01:13,033 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:01:13,033 INFO L430 AbstractCegarLoop]: === Iteration 1 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:01:13,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:01:13,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1400416887, now seen corresponding path program 1 times [2021-06-05 08:01:13,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:01:13,048 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807970573] [2021-06-05 08:01:13,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:01:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:01:13,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:01:13,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:01:13,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807970573] [2021-06-05 08:01:13,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807970573] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:01:13,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:01:13,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 08:01:13,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254282512] [2021-06-05 08:01:13,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 08:01:13,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:01:13,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 08:01:13,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:01:13,446 INFO L87 Difference]: Start difference. First operand has 107259 states, 107256 states have (on average 4.101253076750951) internal successors, (439884), 107258 states have internal predecessors, (439884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:15,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:01:15,500 INFO L93 Difference]: Finished difference Result 136158 states and 522598 transitions. [2021-06-05 08:01:15,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 08:01:15,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-06-05 08:01:15,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:01:16,264 INFO L225 Difference]: With dead ends: 136158 [2021-06-05 08:01:16,265 INFO L226 Difference]: Without dead ends: 105928 [2021-06-05 08:01:16,266 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:01:19,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105928 states. [2021-06-05 08:01:22,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105928 to 93867. [2021-06-05 08:01:22,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93867 states, 93865 states have (on average 3.899472646886486) internal successors, (366024), 93866 states have internal predecessors, (366024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93867 states to 93867 states and 366024 transitions. [2021-06-05 08:01:23,284 INFO L78 Accepts]: Start accepts. Automaton has 93867 states and 366024 transitions. Word has length 55 [2021-06-05 08:01:23,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:01:23,286 INFO L482 AbstractCegarLoop]: Abstraction has 93867 states and 366024 transitions. [2021-06-05 08:01:23,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 93867 states and 366024 transitions. [2021-06-05 08:01:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-06-05 08:01:23,407 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:01:23,407 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:01:23,407 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 08:01:23,407 INFO L430 AbstractCegarLoop]: === Iteration 2 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:01:23,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:01:23,408 INFO L82 PathProgramCache]: Analyzing trace with hash 566486812, now seen corresponding path program 1 times [2021-06-05 08:01:23,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:01:23,408 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208681315] [2021-06-05 08:01:23,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:01:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:01:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:01:23,699 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:01:23,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208681315] [2021-06-05 08:01:23,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208681315] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:01:23,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:01:23,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 08:01:23,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37251765] [2021-06-05 08:01:23,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 08:01:23,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:01:23,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 08:01:23,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:01:23,702 INFO L87 Difference]: Start difference. First operand 93867 states and 366024 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:24,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:01:24,727 INFO L93 Difference]: Finished difference Result 92622 states and 361163 transitions. [2021-06-05 08:01:24,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 08:01:24,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-06-05 08:01:24,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:01:25,255 INFO L225 Difference]: With dead ends: 92622 [2021-06-05 08:01:25,255 INFO L226 Difference]: Without dead ends: 92622 [2021-06-05 08:01:25,257 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:01:27,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92622 states. [2021-06-05 08:01:29,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92622 to 92622. [2021-06-05 08:01:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92622 states, 92620 states have (on average 3.8994061757719716) internal successors, (361163), 92621 states have internal predecessors, (361163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92622 states to 92622 states and 361163 transitions. [2021-06-05 08:01:29,817 INFO L78 Accepts]: Start accepts. Automaton has 92622 states and 361163 transitions. Word has length 60 [2021-06-05 08:01:29,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:01:29,818 INFO L482 AbstractCegarLoop]: Abstraction has 92622 states and 361163 transitions. [2021-06-05 08:01:29,818 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 92622 states and 361163 transitions. [2021-06-05 08:01:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-06-05 08:01:30,399 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:01:30,399 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:01:30,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 08:01:30,400 INFO L430 AbstractCegarLoop]: === Iteration 3 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:01:30,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:01:30,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1282967431, now seen corresponding path program 1 times [2021-06-05 08:01:30,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:01:30,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820093681] [2021-06-05 08:01:30,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:01:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:01:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:01:30,660 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:01:30,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820093681] [2021-06-05 08:01:30,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820093681] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:01:30,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:01:30,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 08:01:30,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062713296] [2021-06-05 08:01:30,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 08:01:30,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:01:30,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 08:01:30,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:01:30,665 INFO L87 Difference]: Start difference. First operand 92622 states and 361163 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:31,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:01:31,418 INFO L93 Difference]: Finished difference Result 113020 states and 435314 transitions. [2021-06-05 08:01:31,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 08:01:31,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-06-05 08:01:31,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:01:32,479 INFO L225 Difference]: With dead ends: 113020 [2021-06-05 08:01:32,479 INFO L226 Difference]: Without dead ends: 107851 [2021-06-05 08:01:32,480 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 32.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 08:01:34,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107851 states. [2021-06-05 08:01:36,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107851 to 107718. [2021-06-05 08:01:36,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107718 states, 107716 states have (on average 3.8566415388614503) internal successors, (415422), 107717 states have internal predecessors, (415422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:37,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107718 states to 107718 states and 415422 transitions. [2021-06-05 08:01:37,829 INFO L78 Accepts]: Start accepts. Automaton has 107718 states and 415422 transitions. Word has length 63 [2021-06-05 08:01:37,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:01:37,830 INFO L482 AbstractCegarLoop]: Abstraction has 107718 states and 415422 transitions. [2021-06-05 08:01:37,830 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:37,830 INFO L276 IsEmpty]: Start isEmpty. Operand 107718 states and 415422 transitions. [2021-06-05 08:01:38,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-05 08:01:38,009 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:01:38,009 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:01:38,009 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 08:01:38,010 INFO L430 AbstractCegarLoop]: === Iteration 4 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:01:38,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:01:38,010 INFO L82 PathProgramCache]: Analyzing trace with hash -398924547, now seen corresponding path program 1 times [2021-06-05 08:01:38,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:01:38,010 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758009530] [2021-06-05 08:01:38,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:01:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:01:38,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:01:38,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:01:38,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758009530] [2021-06-05 08:01:38,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758009530] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:01:38,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:01:38,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 08:01:38,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694088560] [2021-06-05 08:01:38,155 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 08:01:38,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:01:38,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 08:01:38,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-05 08:01:38,157 INFO L87 Difference]: Start difference. First operand 107718 states and 415422 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:39,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:01:39,089 INFO L93 Difference]: Finished difference Result 115814 states and 439888 transitions. [2021-06-05 08:01:39,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 08:01:39,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-05 08:01:39,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:01:40,125 INFO L225 Difference]: With dead ends: 115814 [2021-06-05 08:01:40,125 INFO L226 Difference]: Without dead ends: 115782 [2021-06-05 08:01:40,125 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 47.0ms TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-05 08:01:42,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115782 states. [2021-06-05 08:01:44,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115782 to 112214. [2021-06-05 08:01:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112214 states, 112212 states have (on average 3.7985242220083415) internal successors, (426240), 112213 states have internal predecessors, (426240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:44,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112214 states to 112214 states and 426240 transitions. [2021-06-05 08:01:44,907 INFO L78 Accepts]: Start accepts. Automaton has 112214 states and 426240 transitions. Word has length 69 [2021-06-05 08:01:44,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:01:44,907 INFO L482 AbstractCegarLoop]: Abstraction has 112214 states and 426240 transitions. [2021-06-05 08:01:44,907 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand 112214 states and 426240 transitions. [2021-06-05 08:01:45,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-05 08:01:45,036 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:01:45,036 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:01:45,036 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 08:01:45,036 INFO L430 AbstractCegarLoop]: === Iteration 5 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:01:45,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:01:45,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1639623555, now seen corresponding path program 1 times [2021-06-05 08:01:45,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:01:45,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130332116] [2021-06-05 08:01:45,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:01:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:01:45,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:01:45,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:01:45,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130332116] [2021-06-05 08:01:45,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130332116] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:01:45,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:01:45,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 08:01:45,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961342400] [2021-06-05 08:01:45,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 08:01:45,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:01:45,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 08:01:45,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 08:01:45,207 INFO L87 Difference]: Start difference. First operand 112214 states and 426240 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:47,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:01:47,056 INFO L93 Difference]: Finished difference Result 119990 states and 451910 transitions. [2021-06-05 08:01:47,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 08:01:47,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-05 08:01:47,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:01:47,587 INFO L225 Difference]: With dead ends: 119990 [2021-06-05 08:01:47,587 INFO L226 Difference]: Without dead ends: 119990 [2021-06-05 08:01:47,588 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 110.7ms TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-05 08:01:50,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119990 states. [2021-06-05 08:01:52,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119990 to 111423. [2021-06-05 08:01:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111423 states, 111421 states have (on average 3.792040997657533) internal successors, (422513), 111422 states have internal predecessors, (422513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:54,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111423 states to 111423 states and 422513 transitions. [2021-06-05 08:01:54,407 INFO L78 Accepts]: Start accepts. Automaton has 111423 states and 422513 transitions. Word has length 69 [2021-06-05 08:01:54,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:01:54,408 INFO L482 AbstractCegarLoop]: Abstraction has 111423 states and 422513 transitions. [2021-06-05 08:01:54,408 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:54,408 INFO L276 IsEmpty]: Start isEmpty. Operand 111423 states and 422513 transitions. [2021-06-05 08:01:54,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-05 08:01:54,524 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:01:54,524 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:01:54,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 08:01:54,525 INFO L430 AbstractCegarLoop]: === Iteration 6 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:01:54,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:01:54,525 INFO L82 PathProgramCache]: Analyzing trace with hash -266720635, now seen corresponding path program 2 times [2021-06-05 08:01:54,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:01:54,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089009937] [2021-06-05 08:01:54,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:01:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:01:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:01:54,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:01:54,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089009937] [2021-06-05 08:01:54,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089009937] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:01:54,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:01:54,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 08:01:54,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851530443] [2021-06-05 08:01:54,632 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 08:01:54,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:01:54,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 08:01:54,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-05 08:01:54,633 INFO L87 Difference]: Start difference. First operand 111423 states and 422513 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:56,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:01:56,427 INFO L93 Difference]: Finished difference Result 136612 states and 511856 transitions. [2021-06-05 08:01:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 08:01:56,432 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-05 08:01:56,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:01:56,665 INFO L225 Difference]: With dead ends: 136612 [2021-06-05 08:01:56,665 INFO L226 Difference]: Without dead ends: 59635 [2021-06-05 08:01:56,665 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 62.5ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 08:01:57,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59635 states. [2021-06-05 08:01:58,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59635 to 59103. [2021-06-05 08:01:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59103 states, 59101 states have (on average 3.5635437640649057) internal successors, (210609), 59102 states have internal predecessors, (210609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59103 states to 59103 states and 210609 transitions. [2021-06-05 08:01:58,466 INFO L78 Accepts]: Start accepts. Automaton has 59103 states and 210609 transitions. Word has length 69 [2021-06-05 08:01:58,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:01:58,466 INFO L482 AbstractCegarLoop]: Abstraction has 59103 states and 210609 transitions. [2021-06-05 08:01:58,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 59103 states and 210609 transitions. [2021-06-05 08:01:58,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-06-05 08:01:58,507 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:01:58,507 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:01:58,507 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 08:01:58,507 INFO L430 AbstractCegarLoop]: === Iteration 7 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:01:58,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:01:58,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1882083365, now seen corresponding path program 1 times [2021-06-05 08:01:58,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:01:58,508 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251413968] [2021-06-05 08:01:58,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:01:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:01:58,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:01:58,552 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:01:58,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251413968] [2021-06-05 08:01:58,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251413968] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:01:58,552 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:01:58,552 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 08:01:58,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824420403] [2021-06-05 08:01:58,553 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 08:01:58,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:01:58,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 08:01:58,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:01:58,556 INFO L87 Difference]: Start difference. First operand 59103 states and 210609 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:01:58,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:01:58,836 INFO L93 Difference]: Finished difference Result 59103 states and 210104 transitions. [2021-06-05 08:01:58,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 08:01:58,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-06-05 08:01:58,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:01:58,948 INFO L225 Difference]: With dead ends: 59103 [2021-06-05 08:01:58,948 INFO L226 Difference]: Without dead ends: 42798 [2021-06-05 08:01:58,949 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:01:59,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42798 states. [2021-06-05 08:02:00,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42798 to 38148. [2021-06-05 08:02:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38148 states, 38146 states have (on average 3.492161694542023) internal successors, (133212), 38147 states have internal predecessors, (133212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38148 states to 38148 states and 133212 transitions. [2021-06-05 08:02:00,372 INFO L78 Accepts]: Start accepts. Automaton has 38148 states and 133212 transitions. Word has length 71 [2021-06-05 08:02:00,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:00,372 INFO L482 AbstractCegarLoop]: Abstraction has 38148 states and 133212 transitions. [2021-06-05 08:02:00,372 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 38148 states and 133212 transitions. [2021-06-05 08:02:00,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-06-05 08:02:00,408 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:00,408 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:00,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 08:02:00,408 INFO L430 AbstractCegarLoop]: === Iteration 8 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:00,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:00,409 INFO L82 PathProgramCache]: Analyzing trace with hash 735931245, now seen corresponding path program 1 times [2021-06-05 08:02:00,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:00,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546681400] [2021-06-05 08:02:00,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:00,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:00,559 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:00,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546681400] [2021-06-05 08:02:00,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546681400] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:00,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:00,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 08:02:00,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495809633] [2021-06-05 08:02:00,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 08:02:00,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:00,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 08:02:00,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:02:00,561 INFO L87 Difference]: Start difference. First operand 38148 states and 133212 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:01,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:01,044 INFO L93 Difference]: Finished difference Result 56525 states and 198218 transitions. [2021-06-05 08:02:01,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 08:02:01,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-06-05 08:02:01,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:01,095 INFO L225 Difference]: With dead ends: 56525 [2021-06-05 08:02:01,095 INFO L226 Difference]: Without dead ends: 20903 [2021-06-05 08:02:01,096 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 83.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-05 08:02:01,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20903 states. [2021-06-05 08:02:01,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20903 to 19239. [2021-06-05 08:02:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19239 states, 19237 states have (on average 3.2243593075843426) internal successors, (62027), 19238 states have internal predecessors, (62027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19239 states to 19239 states and 62027 transitions. [2021-06-05 08:02:02,075 INFO L78 Accepts]: Start accepts. Automaton has 19239 states and 62027 transitions. Word has length 74 [2021-06-05 08:02:02,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:02,076 INFO L482 AbstractCegarLoop]: Abstraction has 19239 states and 62027 transitions. [2021-06-05 08:02:02,076 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 19239 states and 62027 transitions. [2021-06-05 08:02:02,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-06-05 08:02:02,107 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:02,107 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:02,107 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 08:02:02,107 INFO L430 AbstractCegarLoop]: === Iteration 9 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:02,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:02,108 INFO L82 PathProgramCache]: Analyzing trace with hash 527621088, now seen corresponding path program 1 times [2021-06-05 08:02:02,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:02,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513269120] [2021-06-05 08:02:02,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:02,164 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:02,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513269120] [2021-06-05 08:02:02,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513269120] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:02,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:02,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 08:02:02,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136132628] [2021-06-05 08:02:02,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 08:02:02,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:02,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 08:02:02,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:02:02,167 INFO L87 Difference]: Start difference. First operand 19239 states and 62027 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:02,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:02,262 INFO L93 Difference]: Finished difference Result 18328 states and 59183 transitions. [2021-06-05 08:02:02,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 08:02:02,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-06-05 08:02:02,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:02,306 INFO L225 Difference]: With dead ends: 18328 [2021-06-05 08:02:02,306 INFO L226 Difference]: Without dead ends: 18328 [2021-06-05 08:02:02,306 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:02:02,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18328 states. [2021-06-05 08:02:02,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18328 to 18049. [2021-06-05 08:02:02,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18049 states, 18047 states have (on average 3.2459688590901536) internal successors, (58580), 18048 states have internal predecessors, (58580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18049 states to 18049 states and 58580 transitions. [2021-06-05 08:02:02,785 INFO L78 Accepts]: Start accepts. Automaton has 18049 states and 58580 transitions. Word has length 77 [2021-06-05 08:02:02,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:02,785 INFO L482 AbstractCegarLoop]: Abstraction has 18049 states and 58580 transitions. [2021-06-05 08:02:02,785 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 18049 states and 58580 transitions. [2021-06-05 08:02:02,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-06-05 08:02:02,815 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:02,815 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:02,815 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 08:02:02,815 INFO L430 AbstractCegarLoop]: === Iteration 10 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:02,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:02,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1833917536, now seen corresponding path program 1 times [2021-06-05 08:02:02,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:02,816 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165883187] [2021-06-05 08:02:02,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:02,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:02,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165883187] [2021-06-05 08:02:02,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165883187] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:02,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:02,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 08:02:02,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922890090] [2021-06-05 08:02:02,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 08:02:02,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:02,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 08:02:02,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:02:02,870 INFO L87 Difference]: Start difference. First operand 18049 states and 58580 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:02,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:02,986 INFO L93 Difference]: Finished difference Result 18158 states and 58368 transitions. [2021-06-05 08:02:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 08:02:02,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-06-05 08:02:02,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:03,028 INFO L225 Difference]: With dead ends: 18158 [2021-06-05 08:02:03,028 INFO L226 Difference]: Without dead ends: 18158 [2021-06-05 08:02:03,029 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:02:03,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18158 states. [2021-06-05 08:02:03,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18158 to 17879. [2021-06-05 08:02:03,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17879 states, 17877 states have (on average 3.2312468534989094) internal successors, (57765), 17878 states have internal predecessors, (57765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:03,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17879 states to 17879 states and 57765 transitions. [2021-06-05 08:02:03,590 INFO L78 Accepts]: Start accepts. Automaton has 17879 states and 57765 transitions. Word has length 77 [2021-06-05 08:02:03,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:03,590 INFO L482 AbstractCegarLoop]: Abstraction has 17879 states and 57765 transitions. [2021-06-05 08:02:03,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand 17879 states and 57765 transitions. [2021-06-05 08:02:03,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-06-05 08:02:03,617 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:03,617 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:03,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 08:02:03,618 INFO L430 AbstractCegarLoop]: === Iteration 11 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:03,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:03,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1834930430, now seen corresponding path program 1 times [2021-06-05 08:02:03,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:03,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316791804] [2021-06-05 08:02:03,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:03,753 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:03,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316791804] [2021-06-05 08:02:03,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316791804] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:03,755 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:03,755 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 08:02:03,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748636037] [2021-06-05 08:02:03,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 08:02:03,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:03,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 08:02:03,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:02:03,758 INFO L87 Difference]: Start difference. First operand 17879 states and 57765 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:03,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:03,903 INFO L93 Difference]: Finished difference Result 18060 states and 57752 transitions. [2021-06-05 08:02:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 08:02:03,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-06-05 08:02:03,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:03,940 INFO L225 Difference]: With dead ends: 18060 [2021-06-05 08:02:03,940 INFO L226 Difference]: Without dead ends: 17820 [2021-06-05 08:02:03,940 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.8ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-05 08:02:04,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17820 states. [2021-06-05 08:02:04,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17820 to 16473. [2021-06-05 08:02:04,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16473 states, 16471 states have (on average 3.2634934126646833) internal successors, (53753), 16472 states have internal predecessors, (53753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:04,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16473 states to 16473 states and 53753 transitions. [2021-06-05 08:02:04,311 INFO L78 Accepts]: Start accepts. Automaton has 16473 states and 53753 transitions. Word has length 77 [2021-06-05 08:02:04,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:04,311 INFO L482 AbstractCegarLoop]: Abstraction has 16473 states and 53753 transitions. [2021-06-05 08:02:04,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 16473 states and 53753 transitions. [2021-06-05 08:02:04,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 08:02:04,341 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:04,341 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:04,342 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 08:02:04,342 INFO L430 AbstractCegarLoop]: === Iteration 12 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:04,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:04,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1643343059, now seen corresponding path program 1 times [2021-06-05 08:02:04,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:04,342 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018334573] [2021-06-05 08:02:04,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:04,713 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-06-05 08:02:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:04,845 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:04,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018334573] [2021-06-05 08:02:04,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018334573] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:04,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:04,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-05 08:02:04,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430120334] [2021-06-05 08:02:04,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 08:02:04,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:04,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 08:02:04,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-05 08:02:04,846 INFO L87 Difference]: Start difference. First operand 16473 states and 53753 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:05,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:05,091 INFO L93 Difference]: Finished difference Result 17507 states and 56416 transitions. [2021-06-05 08:02:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 08:02:05,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 08:02:05,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:05,133 INFO L225 Difference]: With dead ends: 17507 [2021-06-05 08:02:05,134 INFO L226 Difference]: Without dead ends: 17507 [2021-06-05 08:02:05,134 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 394.8ms TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-06-05 08:02:05,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17507 states. [2021-06-05 08:02:05,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17507 to 16516. [2021-06-05 08:02:05,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16516 states, 16514 states have (on average 3.2620201041540513) internal successors, (53869), 16515 states have internal predecessors, (53869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16516 states to 16516 states and 53869 transitions. [2021-06-05 08:02:05,582 INFO L78 Accepts]: Start accepts. Automaton has 16516 states and 53869 transitions. Word has length 80 [2021-06-05 08:02:05,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:05,582 INFO L482 AbstractCegarLoop]: Abstraction has 16516 states and 53869 transitions. [2021-06-05 08:02:05,582 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:05,582 INFO L276 IsEmpty]: Start isEmpty. Operand 16516 states and 53869 transitions. [2021-06-05 08:02:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 08:02:05,610 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:05,610 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:05,610 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-05 08:02:05,610 INFO L430 AbstractCegarLoop]: === Iteration 13 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:05,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:05,611 INFO L82 PathProgramCache]: Analyzing trace with hash -574527521, now seen corresponding path program 2 times [2021-06-05 08:02:05,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:05,611 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726122571] [2021-06-05 08:02:05,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:05,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:05,719 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:05,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726122571] [2021-06-05 08:02:05,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726122571] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:05,719 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:05,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 08:02:05,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84478171] [2021-06-05 08:02:05,720 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 08:02:05,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:05,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 08:02:05,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-06-05 08:02:05,720 INFO L87 Difference]: Start difference. First operand 16516 states and 53869 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:06,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:06,090 INFO L93 Difference]: Finished difference Result 20249 states and 65024 transitions. [2021-06-05 08:02:06,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 08:02:06,091 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 08:02:06,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:06,138 INFO L225 Difference]: With dead ends: 20249 [2021-06-05 08:02:06,139 INFO L226 Difference]: Without dead ends: 20249 [2021-06-05 08:02:06,139 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 112.0ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-06-05 08:02:06,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20249 states. [2021-06-05 08:02:06,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20249 to 17068. [2021-06-05 08:02:06,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17068 states, 17066 states have (on average 3.270713699753897) internal successors, (55818), 17067 states have internal predecessors, (55818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:06,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17068 states to 17068 states and 55818 transitions. [2021-06-05 08:02:06,552 INFO L78 Accepts]: Start accepts. Automaton has 17068 states and 55818 transitions. Word has length 80 [2021-06-05 08:02:06,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:06,552 INFO L482 AbstractCegarLoop]: Abstraction has 17068 states and 55818 transitions. [2021-06-05 08:02:06,553 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:06,553 INFO L276 IsEmpty]: Start isEmpty. Operand 17068 states and 55818 transitions. [2021-06-05 08:02:06,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 08:02:06,582 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:06,582 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:06,582 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-05 08:02:06,582 INFO L430 AbstractCegarLoop]: === Iteration 14 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:06,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:06,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1100980875, now seen corresponding path program 3 times [2021-06-05 08:02:06,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:06,583 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546094657] [2021-06-05 08:02:06,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:06,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:06,691 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:06,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546094657] [2021-06-05 08:02:06,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546094657] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:06,691 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:06,691 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 08:02:06,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162888934] [2021-06-05 08:02:06,691 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 08:02:06,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:06,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 08:02:06,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-06-05 08:02:06,692 INFO L87 Difference]: Start difference. First operand 17068 states and 55818 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:07,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:07,182 INFO L93 Difference]: Finished difference Result 20167 states and 64836 transitions. [2021-06-05 08:02:07,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 08:02:07,183 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 08:02:07,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:07,230 INFO L225 Difference]: With dead ends: 20167 [2021-06-05 08:02:07,231 INFO L226 Difference]: Without dead ends: 20167 [2021-06-05 08:02:07,232 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 155.8ms TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2021-06-05 08:02:07,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20167 states. [2021-06-05 08:02:07,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20167 to 17575. [2021-06-05 08:02:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17575 states, 17573 states have (on average 3.253798440789848) internal successors, (57179), 17574 states have internal predecessors, (57179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17575 states to 17575 states and 57179 transitions. [2021-06-05 08:02:07,648 INFO L78 Accepts]: Start accepts. Automaton has 17575 states and 57179 transitions. Word has length 80 [2021-06-05 08:02:07,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:07,648 INFO L482 AbstractCegarLoop]: Abstraction has 17575 states and 57179 transitions. [2021-06-05 08:02:07,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:07,648 INFO L276 IsEmpty]: Start isEmpty. Operand 17575 states and 57179 transitions. [2021-06-05 08:02:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 08:02:07,676 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:07,676 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:07,676 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-05 08:02:07,676 INFO L430 AbstractCegarLoop]: === Iteration 15 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:07,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:07,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1964715603, now seen corresponding path program 1 times [2021-06-05 08:02:07,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:07,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659106854] [2021-06-05 08:02:07,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:07,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:07,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659106854] [2021-06-05 08:02:07,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659106854] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:07,779 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:07,779 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 08:02:07,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614860161] [2021-06-05 08:02:07,779 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 08:02:07,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:07,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 08:02:07,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-05 08:02:07,780 INFO L87 Difference]: Start difference. First operand 17575 states and 57179 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:08,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:08,095 INFO L93 Difference]: Finished difference Result 18109 states and 58406 transitions. [2021-06-05 08:02:08,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 08:02:08,095 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 08:02:08,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:08,137 INFO L225 Difference]: With dead ends: 18109 [2021-06-05 08:02:08,138 INFO L226 Difference]: Without dead ends: 18109 [2021-06-05 08:02:08,139 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 112.6ms TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2021-06-05 08:02:08,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18109 states. [2021-06-05 08:02:08,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18109 to 17618. [2021-06-05 08:02:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17618 states, 17616 states have (on average 3.2524409627611264) internal successors, (57295), 17617 states have internal predecessors, (57295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17618 states to 17618 states and 57295 transitions. [2021-06-05 08:02:08,524 INFO L78 Accepts]: Start accepts. Automaton has 17618 states and 57295 transitions. Word has length 80 [2021-06-05 08:02:08,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:08,525 INFO L482 AbstractCegarLoop]: Abstraction has 17618 states and 57295 transitions. [2021-06-05 08:02:08,525 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:08,525 INFO L276 IsEmpty]: Start isEmpty. Operand 17618 states and 57295 transitions. [2021-06-05 08:02:08,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 08:02:08,558 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:08,559 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:08,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-05 08:02:08,559 INFO L430 AbstractCegarLoop]: === Iteration 16 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:08,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:08,559 INFO L82 PathProgramCache]: Analyzing trace with hash -556986819, now seen corresponding path program 2 times [2021-06-05 08:02:08,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:08,560 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82147463] [2021-06-05 08:02:08,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:08,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:08,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82147463] [2021-06-05 08:02:08,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82147463] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:08,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:08,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 08:02:08,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324627035] [2021-06-05 08:02:08,810 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 08:02:08,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:08,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 08:02:08,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-05 08:02:08,811 INFO L87 Difference]: Start difference. First operand 17618 states and 57295 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:09,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:09,358 INFO L93 Difference]: Finished difference Result 19771 states and 63757 transitions. [2021-06-05 08:02:09,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 08:02:09,359 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 08:02:09,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:09,402 INFO L225 Difference]: With dead ends: 19771 [2021-06-05 08:02:09,403 INFO L226 Difference]: Without dead ends: 19771 [2021-06-05 08:02:09,403 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 217.0ms TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2021-06-05 08:02:09,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19771 states. [2021-06-05 08:02:09,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19771 to 17740. [2021-06-05 08:02:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17740 states, 17738 states have (on average 3.2573570864810013) internal successors, (57779), 17739 states have internal predecessors, (57779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:09,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17740 states to 17740 states and 57779 transitions. [2021-06-05 08:02:09,817 INFO L78 Accepts]: Start accepts. Automaton has 17740 states and 57779 transitions. Word has length 80 [2021-06-05 08:02:09,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:09,818 INFO L482 AbstractCegarLoop]: Abstraction has 17740 states and 57779 transitions. [2021-06-05 08:02:09,818 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:09,818 INFO L276 IsEmpty]: Start isEmpty. Operand 17740 states and 57779 transitions. [2021-06-05 08:02:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 08:02:09,848 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:09,848 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:09,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-05 08:02:09,848 INFO L430 AbstractCegarLoop]: === Iteration 17 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:09,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:09,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1993329701, now seen corresponding path program 4 times [2021-06-05 08:02:09,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:09,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363391785] [2021-06-05 08:02:09,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:09,985 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:09,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363391785] [2021-06-05 08:02:09,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363391785] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:09,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:09,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 08:02:09,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106251170] [2021-06-05 08:02:09,986 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 08:02:09,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:09,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 08:02:09,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-06-05 08:02:09,987 INFO L87 Difference]: Start difference. First operand 17740 states and 57779 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:10,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:10,312 INFO L93 Difference]: Finished difference Result 22688 states and 72875 transitions. [2021-06-05 08:02:10,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 08:02:10,312 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 08:02:10,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:10,363 INFO L225 Difference]: With dead ends: 22688 [2021-06-05 08:02:10,364 INFO L226 Difference]: Without dead ends: 22688 [2021-06-05 08:02:10,364 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 112.4ms TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-06-05 08:02:10,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22688 states. [2021-06-05 08:02:10,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22688 to 17736. [2021-06-05 08:02:10,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17736 states, 17734 states have (on average 3.2572459681966843) internal successors, (57764), 17735 states have internal predecessors, (57764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:10,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17736 states to 17736 states and 57764 transitions. [2021-06-05 08:02:10,909 INFO L78 Accepts]: Start accepts. Automaton has 17736 states and 57764 transitions. Word has length 80 [2021-06-05 08:02:10,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:10,910 INFO L482 AbstractCegarLoop]: Abstraction has 17736 states and 57764 transitions. [2021-06-05 08:02:10,910 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:10,910 INFO L276 IsEmpty]: Start isEmpty. Operand 17736 states and 57764 transitions. [2021-06-05 08:02:10,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 08:02:10,938 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:10,938 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:10,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-05 08:02:10,939 INFO L430 AbstractCegarLoop]: === Iteration 18 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:10,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:10,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1775184241, now seen corresponding path program 5 times [2021-06-05 08:02:10,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:10,939 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081320804] [2021-06-05 08:02:10,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:11,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:11,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:11,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081320804] [2021-06-05 08:02:11,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081320804] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:11,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:11,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 08:02:11,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765125947] [2021-06-05 08:02:11,041 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 08:02:11,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:11,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 08:02:11,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-06-05 08:02:11,042 INFO L87 Difference]: Start difference. First operand 17736 states and 57764 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:11,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:11,410 INFO L93 Difference]: Finished difference Result 19984 states and 64446 transitions. [2021-06-05 08:02:11,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 08:02:11,410 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 08:02:11,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:11,454 INFO L225 Difference]: With dead ends: 19984 [2021-06-05 08:02:11,455 INFO L226 Difference]: Without dead ends: 19984 [2021-06-05 08:02:11,455 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 124.4ms TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-06-05 08:02:11,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19984 states. [2021-06-05 08:02:11,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19984 to 18025. [2021-06-05 08:02:11,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18025 states, 18023 states have (on average 3.245519613826777) internal successors, (58494), 18024 states have internal predecessors, (58494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18025 states to 18025 states and 58494 transitions. [2021-06-05 08:02:11,879 INFO L78 Accepts]: Start accepts. Automaton has 18025 states and 58494 transitions. Word has length 80 [2021-06-05 08:02:11,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:11,880 INFO L482 AbstractCegarLoop]: Abstraction has 18025 states and 58494 transitions. [2021-06-05 08:02:11,880 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 18025 states and 58494 transitions. [2021-06-05 08:02:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 08:02:11,909 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:11,909 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:11,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-05 08:02:11,910 INFO L430 AbstractCegarLoop]: === Iteration 19 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:11,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:11,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1082545819, now seen corresponding path program 3 times [2021-06-05 08:02:11,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:11,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139913507] [2021-06-05 08:02:11,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:12,012 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:12,012 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139913507] [2021-06-05 08:02:12,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139913507] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:12,013 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:12,013 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 08:02:12,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992189007] [2021-06-05 08:02:12,013 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 08:02:12,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:12,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 08:02:12,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 08:02:12,014 INFO L87 Difference]: Start difference. First operand 18025 states and 58494 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:12,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:12,411 INFO L93 Difference]: Finished difference Result 22045 states and 71149 transitions. [2021-06-05 08:02:12,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 08:02:12,411 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 08:02:12,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:12,450 INFO L225 Difference]: With dead ends: 22045 [2021-06-05 08:02:12,450 INFO L226 Difference]: Without dead ends: 22045 [2021-06-05 08:02:12,450 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 140.3ms TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2021-06-05 08:02:12,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22045 states. [2021-06-05 08:02:12,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22045 to 16824. [2021-06-05 08:02:12,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16824 states, 16822 states have (on average 3.2490785875639046) internal successors, (54656), 16823 states have internal predecessors, (54656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:12,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16824 states to 16824 states and 54656 transitions. [2021-06-05 08:02:12,999 INFO L78 Accepts]: Start accepts. Automaton has 16824 states and 54656 transitions. Word has length 80 [2021-06-05 08:02:13,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:13,000 INFO L482 AbstractCegarLoop]: Abstraction has 16824 states and 54656 transitions. [2021-06-05 08:02:13,000 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:13,000 INFO L276 IsEmpty]: Start isEmpty. Operand 16824 states and 54656 transitions. [2021-06-05 08:02:13,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 08:02:13,023 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:13,023 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:13,023 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-05 08:02:13,023 INFO L430 AbstractCegarLoop]: === Iteration 20 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:13,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:13,024 INFO L82 PathProgramCache]: Analyzing trace with hash -338879573, now seen corresponding path program 6 times [2021-06-05 08:02:13,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:13,024 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202890179] [2021-06-05 08:02:13,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:13,142 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:13,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202890179] [2021-06-05 08:02:13,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202890179] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:13,142 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:13,142 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 08:02:13,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942964907] [2021-06-05 08:02:13,143 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 08:02:13,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:13,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 08:02:13,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-06-05 08:02:13,144 INFO L87 Difference]: Start difference. First operand 16824 states and 54656 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:13,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:13,538 INFO L93 Difference]: Finished difference Result 18541 states and 59862 transitions. [2021-06-05 08:02:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 08:02:13,558 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 08:02:13,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:13,598 INFO L225 Difference]: With dead ends: 18541 [2021-06-05 08:02:13,598 INFO L226 Difference]: Without dead ends: 18265 [2021-06-05 08:02:13,599 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 120.7ms TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2021-06-05 08:02:13,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18265 states. [2021-06-05 08:02:13,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18265 to 16503. [2021-06-05 08:02:13,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16503 states, 16501 states have (on average 3.242773165262711) internal successors, (53509), 16502 states have internal predecessors, (53509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:13,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16503 states to 16503 states and 53509 transitions. [2021-06-05 08:02:13,983 INFO L78 Accepts]: Start accepts. Automaton has 16503 states and 53509 transitions. Word has length 80 [2021-06-05 08:02:13,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:13,983 INFO L482 AbstractCegarLoop]: Abstraction has 16503 states and 53509 transitions. [2021-06-05 08:02:13,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:13,983 INFO L276 IsEmpty]: Start isEmpty. Operand 16503 states and 53509 transitions. [2021-06-05 08:02:14,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-05 08:02:14,009 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:14,009 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:14,009 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-05 08:02:14,009 INFO L430 AbstractCegarLoop]: === Iteration 21 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:14,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:14,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1579578581, now seen corresponding path program 4 times [2021-06-05 08:02:14,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:14,010 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239150270] [2021-06-05 08:02:14,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:14,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:14,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239150270] [2021-06-05 08:02:14,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239150270] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:14,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:14,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 08:02:14,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147817169] [2021-06-05 08:02:14,244 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 08:02:14,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:14,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 08:02:14,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-05 08:02:14,245 INFO L87 Difference]: Start difference. First operand 16503 states and 53509 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:14,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:14,944 INFO L93 Difference]: Finished difference Result 17880 states and 57935 transitions. [2021-06-05 08:02:14,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 08:02:14,957 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-05 08:02:14,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:14,995 INFO L225 Difference]: With dead ends: 17880 [2021-06-05 08:02:14,996 INFO L226 Difference]: Without dead ends: 17880 [2021-06-05 08:02:14,996 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 271.5ms TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2021-06-05 08:02:15,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17880 states. [2021-06-05 08:02:15,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17880 to 16062. [2021-06-05 08:02:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16062 states, 16060 states have (on average 3.2597135740971357) internal successors, (52351), 16061 states have internal predecessors, (52351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:15,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16062 states to 16062 states and 52351 transitions. [2021-06-05 08:02:15,334 INFO L78 Accepts]: Start accepts. Automaton has 16062 states and 52351 transitions. Word has length 80 [2021-06-05 08:02:15,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:15,334 INFO L482 AbstractCegarLoop]: Abstraction has 16062 states and 52351 transitions. [2021-06-05 08:02:15,334 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:15,335 INFO L276 IsEmpty]: Start isEmpty. Operand 16062 states and 52351 transitions. [2021-06-05 08:02:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-06-05 08:02:15,357 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:15,357 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:15,357 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-05 08:02:15,357 INFO L430 AbstractCegarLoop]: === Iteration 22 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:15,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:15,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1349824490, now seen corresponding path program 1 times [2021-06-05 08:02:15,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:15,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516501604] [2021-06-05 08:02:15,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:15,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:15,583 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:15,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516501604] [2021-06-05 08:02:15,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516501604] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:15,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:15,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 08:02:15,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575964003] [2021-06-05 08:02:15,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 08:02:15,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:15,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 08:02:15,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-06-05 08:02:15,584 INFO L87 Difference]: Start difference. First operand 16062 states and 52351 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:15,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:15,926 INFO L93 Difference]: Finished difference Result 18280 states and 58875 transitions. [2021-06-05 08:02:15,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 08:02:15,926 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-06-05 08:02:15,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:15,966 INFO L225 Difference]: With dead ends: 18280 [2021-06-05 08:02:15,966 INFO L226 Difference]: Without dead ends: 18004 [2021-06-05 08:02:15,967 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 249.5ms TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2021-06-05 08:02:16,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18004 states. [2021-06-05 08:02:16,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18004 to 16212. [2021-06-05 08:02:16,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16212 states, 16210 states have (on average 3.2336212214682294) internal successors, (52417), 16211 states have internal predecessors, (52417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:16,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16212 states to 16212 states and 52417 transitions. [2021-06-05 08:02:16,341 INFO L78 Accepts]: Start accepts. Automaton has 16212 states and 52417 transitions. Word has length 83 [2021-06-05 08:02:16,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:16,341 INFO L482 AbstractCegarLoop]: Abstraction has 16212 states and 52417 transitions. [2021-06-05 08:02:16,341 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:16,341 INFO L276 IsEmpty]: Start isEmpty. Operand 16212 states and 52417 transitions. [2021-06-05 08:02:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-06-05 08:02:16,367 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:16,390 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:16,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-05 08:02:16,392 INFO L430 AbstractCegarLoop]: === Iteration 23 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:16,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:16,392 INFO L82 PathProgramCache]: Analyzing trace with hash -2120740758, now seen corresponding path program 1 times [2021-06-05 08:02:16,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:16,392 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312436226] [2021-06-05 08:02:16,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:16,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:16,663 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:16,663 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312436226] [2021-06-05 08:02:16,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312436226] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:16,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:16,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 08:02:16,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455839496] [2021-06-05 08:02:16,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 08:02:16,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:16,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 08:02:16,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-05 08:02:16,666 INFO L87 Difference]: Start difference. First operand 16212 states and 52417 transitions. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:17,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:17,104 INFO L93 Difference]: Finished difference Result 17616 states and 56917 transitions. [2021-06-05 08:02:17,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 08:02:17,104 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-06-05 08:02:17,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:17,142 INFO L225 Difference]: With dead ends: 17616 [2021-06-05 08:02:17,142 INFO L226 Difference]: Without dead ends: 17616 [2021-06-05 08:02:17,142 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 266.5ms TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2021-06-05 08:02:17,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17616 states. [2021-06-05 08:02:17,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17616 to 16107. [2021-06-05 08:02:17,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16107 states, 16105 states have (on average 3.2376280658180687) internal successors, (52142), 16106 states have internal predecessors, (52142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16107 states to 16107 states and 52142 transitions. [2021-06-05 08:02:17,500 INFO L78 Accepts]: Start accepts. Automaton has 16107 states and 52142 transitions. Word has length 83 [2021-06-05 08:02:17,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:17,500 INFO L482 AbstractCegarLoop]: Abstraction has 16107 states and 52142 transitions. [2021-06-05 08:02:17,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:17,500 INFO L276 IsEmpty]: Start isEmpty. Operand 16107 states and 52142 transitions. [2021-06-05 08:02:17,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-06-05 08:02:17,542 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:17,542 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:17,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-05 08:02:17,542 INFO L430 AbstractCegarLoop]: === Iteration 24 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:17,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:17,543 INFO L82 PathProgramCache]: Analyzing trace with hash 431227184, now seen corresponding path program 2 times [2021-06-05 08:02:17,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:17,543 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586681175] [2021-06-05 08:02:17,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:17,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:17,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:17,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586681175] [2021-06-05 08:02:17,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586681175] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:17,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:17,683 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-05 08:02:17,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012774131] [2021-06-05 08:02:17,683 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 08:02:17,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:17,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 08:02:17,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-06-05 08:02:17,684 INFO L87 Difference]: Start difference. First operand 16107 states and 52142 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:18,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:18,011 INFO L93 Difference]: Finished difference Result 17749 states and 57301 transitions. [2021-06-05 08:02:18,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 08:02:18,012 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-06-05 08:02:18,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:18,046 INFO L225 Difference]: With dead ends: 17749 [2021-06-05 08:02:18,047 INFO L226 Difference]: Without dead ends: 17749 [2021-06-05 08:02:18,047 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 119.4ms TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-06-05 08:02:18,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17749 states. [2021-06-05 08:02:18,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17749 to 16062. [2021-06-05 08:02:18,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16062 states, 16060 states have (on average 3.240161892901619) internal successors, (52037), 16061 states have internal predecessors, (52037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16062 states to 16062 states and 52037 transitions. [2021-06-05 08:02:18,417 INFO L78 Accepts]: Start accepts. Automaton has 16062 states and 52037 transitions. Word has length 83 [2021-06-05 08:02:18,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:18,417 INFO L482 AbstractCegarLoop]: Abstraction has 16062 states and 52037 transitions. [2021-06-05 08:02:18,417 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:18,417 INFO L276 IsEmpty]: Start isEmpty. Operand 16062 states and 52037 transitions. [2021-06-05 08:02:18,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-06-05 08:02:18,444 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:18,444 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:18,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-05 08:02:18,444 INFO L430 AbstractCegarLoop]: === Iteration 25 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:18,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:18,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1255629232, now seen corresponding path program 2 times [2021-06-05 08:02:18,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:18,445 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147322257] [2021-06-05 08:02:18,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:18,537 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:18,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147322257] [2021-06-05 08:02:18,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147322257] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:18,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:18,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 08:02:18,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922765138] [2021-06-05 08:02:18,537 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 08:02:18,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:18,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 08:02:18,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-05 08:02:18,538 INFO L87 Difference]: Start difference. First operand 16062 states and 52037 transitions. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:19,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:19,045 INFO L93 Difference]: Finished difference Result 17289 states and 56133 transitions. [2021-06-05 08:02:19,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 08:02:19,045 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-06-05 08:02:19,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:19,083 INFO L225 Difference]: With dead ends: 17289 [2021-06-05 08:02:19,083 INFO L226 Difference]: Without dead ends: 17289 [2021-06-05 08:02:19,083 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 238.1ms TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2021-06-05 08:02:19,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2021-06-05 08:02:19,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 15621. [2021-06-05 08:02:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15621 states, 15619 states have (on average 3.257506882642935) internal successors, (50879), 15620 states have internal predecessors, (50879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:19,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15621 states to 15621 states and 50879 transitions. [2021-06-05 08:02:19,443 INFO L78 Accepts]: Start accepts. Automaton has 15621 states and 50879 transitions. Word has length 83 [2021-06-05 08:02:19,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:19,443 INFO L482 AbstractCegarLoop]: Abstraction has 15621 states and 50879 transitions. [2021-06-05 08:02:19,443 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:19,443 INFO L276 IsEmpty]: Start isEmpty. Operand 15621 states and 50879 transitions. [2021-06-05 08:02:19,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-05 08:02:19,469 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:19,469 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:19,469 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-05 08:02:19,470 INFO L430 AbstractCegarLoop]: === Iteration 26 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:19,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:19,470 INFO L82 PathProgramCache]: Analyzing trace with hash -885242066, now seen corresponding path program 1 times [2021-06-05 08:02:19,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:19,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103997988] [2021-06-05 08:02:19,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:19,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:19,500 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:19,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103997988] [2021-06-05 08:02:19,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103997988] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:19,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:19,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 08:02:19,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730548407] [2021-06-05 08:02:19,501 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 08:02:19,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:19,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 08:02:19,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 08:02:19,502 INFO L87 Difference]: Start difference. First operand 15621 states and 50879 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:19,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:19,590 INFO L93 Difference]: Finished difference Result 16128 states and 52183 transitions. [2021-06-05 08:02:19,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 08:02:19,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-05 08:02:19,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:19,628 INFO L225 Difference]: With dead ends: 16128 [2021-06-05 08:02:19,628 INFO L226 Difference]: Without dead ends: 16088 [2021-06-05 08:02:19,628 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:02:19,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16088 states. [2021-06-05 08:02:19,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16088 to 15661. [2021-06-05 08:02:19,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15661 states, 15659 states have (on average 3.256210485982502) internal successors, (50989), 15660 states have internal predecessors, (50989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:19,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15661 states to 15661 states and 50989 transitions. [2021-06-05 08:02:19,979 INFO L78 Accepts]: Start accepts. Automaton has 15661 states and 50989 transitions. Word has length 88 [2021-06-05 08:02:19,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:19,980 INFO L482 AbstractCegarLoop]: Abstraction has 15661 states and 50989 transitions. [2021-06-05 08:02:19,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:19,980 INFO L276 IsEmpty]: Start isEmpty. Operand 15661 states and 50989 transitions. [2021-06-05 08:02:20,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-05 08:02:20,006 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:20,006 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:20,006 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-05 08:02:20,006 INFO L430 AbstractCegarLoop]: === Iteration 27 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:20,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:20,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1889836918, now seen corresponding path program 2 times [2021-06-05 08:02:20,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:20,015 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007072042] [2021-06-05 08:02:20,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:20,083 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:20,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007072042] [2021-06-05 08:02:20,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007072042] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:20,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:20,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 08:02:20,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964207443] [2021-06-05 08:02:20,083 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 08:02:20,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:20,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 08:02:20,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-05 08:02:20,084 INFO L87 Difference]: Start difference. First operand 15661 states and 50989 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:20,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:20,271 INFO L93 Difference]: Finished difference Result 16216 states and 52472 transitions. [2021-06-05 08:02:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 08:02:20,272 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-05 08:02:20,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:20,376 INFO L225 Difference]: With dead ends: 16216 [2021-06-05 08:02:20,376 INFO L226 Difference]: Without dead ends: 15915 [2021-06-05 08:02:20,376 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 54.7ms TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-06-05 08:02:20,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15915 states. [2021-06-05 08:02:20,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15915 to 15801. [2021-06-05 08:02:20,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15801 states, 15799 states have (on average 3.251724792708399) internal successors, (51374), 15800 states have internal predecessors, (51374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15801 states to 15801 states and 51374 transitions. [2021-06-05 08:02:20,710 INFO L78 Accepts]: Start accepts. Automaton has 15801 states and 51374 transitions. Word has length 88 [2021-06-05 08:02:20,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:20,710 INFO L482 AbstractCegarLoop]: Abstraction has 15801 states and 51374 transitions. [2021-06-05 08:02:20,710 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:20,710 INFO L276 IsEmpty]: Start isEmpty. Operand 15801 states and 51374 transitions. [2021-06-05 08:02:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-05 08:02:20,737 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:20,737 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:20,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-05 08:02:20,737 INFO L430 AbstractCegarLoop]: === Iteration 28 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:20,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:20,738 INFO L82 PathProgramCache]: Analyzing trace with hash 278202074, now seen corresponding path program 3 times [2021-06-05 08:02:20,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:20,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100849529] [2021-06-05 08:02:20,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:20,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:20,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100849529] [2021-06-05 08:02:20,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100849529] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:20,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:20,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 08:02:20,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021288300] [2021-06-05 08:02:20,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 08:02:20,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:20,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 08:02:20,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 08:02:20,809 INFO L87 Difference]: Start difference. First operand 15801 states and 51374 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:21,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:21,023 INFO L93 Difference]: Finished difference Result 16416 states and 53022 transitions. [2021-06-05 08:02:21,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 08:02:21,023 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-05 08:02:21,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:21,061 INFO L225 Difference]: With dead ends: 16416 [2021-06-05 08:02:21,061 INFO L226 Difference]: Without dead ends: 16087 [2021-06-05 08:02:21,062 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 69.4ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-06-05 08:02:21,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16087 states. [2021-06-05 08:02:21,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16087 to 15821. [2021-06-05 08:02:21,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15821 states, 15819 states have (on average 3.2510904608382325) internal successors, (51429), 15820 states have internal predecessors, (51429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15821 states to 15821 states and 51429 transitions. [2021-06-05 08:02:21,417 INFO L78 Accepts]: Start accepts. Automaton has 15821 states and 51429 transitions. Word has length 88 [2021-06-05 08:02:21,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:21,418 INFO L482 AbstractCegarLoop]: Abstraction has 15821 states and 51429 transitions. [2021-06-05 08:02:21,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:21,418 INFO L276 IsEmpty]: Start isEmpty. Operand 15821 states and 51429 transitions. [2021-06-05 08:02:21,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-05 08:02:21,444 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:21,444 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:21,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-05 08:02:21,444 INFO L430 AbstractCegarLoop]: === Iteration 29 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:21,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:21,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1324373216, now seen corresponding path program 4 times [2021-06-05 08:02:21,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:21,445 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712354449] [2021-06-05 08:02:21,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:21,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:21,510 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:21,510 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712354449] [2021-06-05 08:02:21,510 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712354449] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:21,510 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:21,510 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 08:02:21,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289818339] [2021-06-05 08:02:21,511 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 08:02:21,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:21,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 08:02:21,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-05 08:02:21,511 INFO L87 Difference]: Start difference. First operand 15821 states and 51429 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:21,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:21,751 INFO L93 Difference]: Finished difference Result 17695 states and 57349 transitions. [2021-06-05 08:02:21,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 08:02:21,752 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-05 08:02:21,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:21,784 INFO L225 Difference]: With dead ends: 17695 [2021-06-05 08:02:21,784 INFO L226 Difference]: Without dead ends: 13977 [2021-06-05 08:02:21,784 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 66.9ms TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-06-05 08:02:21,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13977 states. [2021-06-05 08:02:22,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13977 to 12090. [2021-06-05 08:02:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12090 states, 12088 states have (on average 3.2413964262078094) internal successors, (39182), 12089 states have internal predecessors, (39182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:22,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12090 states to 12090 states and 39182 transitions. [2021-06-05 08:02:22,056 INFO L78 Accepts]: Start accepts. Automaton has 12090 states and 39182 transitions. Word has length 88 [2021-06-05 08:02:22,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:22,057 INFO L482 AbstractCegarLoop]: Abstraction has 12090 states and 39182 transitions. [2021-06-05 08:02:22,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 12090 states and 39182 transitions. [2021-06-05 08:02:22,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 08:02:22,076 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:22,077 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:22,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-05 08:02:22,077 INFO L430 AbstractCegarLoop]: === Iteration 30 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:22,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:22,077 INFO L82 PathProgramCache]: Analyzing trace with hash 538809417, now seen corresponding path program 1 times [2021-06-05 08:02:22,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:22,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096440114] [2021-06-05 08:02:22,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:22,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:22,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096440114] [2021-06-05 08:02:22,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096440114] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:22,159 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:22,159 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 08:02:22,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054724547] [2021-06-05 08:02:22,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 08:02:22,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:22,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 08:02:22,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 08:02:22,160 INFO L87 Difference]: Start difference. First operand 12090 states and 39182 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:22,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:22,957 INFO L93 Difference]: Finished difference Result 13167 states and 42694 transitions. [2021-06-05 08:02:22,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 08:02:22,958 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 08:02:22,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:22,983 INFO L225 Difference]: With dead ends: 13167 [2021-06-05 08:02:22,984 INFO L226 Difference]: Without dead ends: 11307 [2021-06-05 08:02:22,984 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 178.3ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-06-05 08:02:23,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11307 states. [2021-06-05 08:02:23,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11307 to 10335. [2021-06-05 08:02:23,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10335 states, 10333 states have (on average 3.2374915319849027) internal successors, (33453), 10334 states have internal predecessors, (33453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:23,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10335 states to 10335 states and 33453 transitions. [2021-06-05 08:02:23,218 INFO L78 Accepts]: Start accepts. Automaton has 10335 states and 33453 transitions. Word has length 91 [2021-06-05 08:02:23,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:23,219 INFO L482 AbstractCegarLoop]: Abstraction has 10335 states and 33453 transitions. [2021-06-05 08:02:23,219 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:23,219 INFO L276 IsEmpty]: Start isEmpty. Operand 10335 states and 33453 transitions. [2021-06-05 08:02:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 08:02:23,235 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:23,235 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:23,235 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-05 08:02:23,236 INFO L430 AbstractCegarLoop]: === Iteration 31 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:23,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:23,236 INFO L82 PathProgramCache]: Analyzing trace with hash -899785151, now seen corresponding path program 2 times [2021-06-05 08:02:23,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:23,236 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367802985] [2021-06-05 08:02:23,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:23,585 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-06-05 08:02:23,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:23,756 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:23,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367802985] [2021-06-05 08:02:23,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367802985] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:23,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:23,756 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 08:02:23,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525782947] [2021-06-05 08:02:23,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 08:02:23,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:23,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 08:02:23,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-05 08:02:23,757 INFO L87 Difference]: Start difference. First operand 10335 states and 33453 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:23,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:23,932 INFO L93 Difference]: Finished difference Result 12224 states and 39266 transitions. [2021-06-05 08:02:23,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 08:02:23,932 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 08:02:23,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:23,953 INFO L225 Difference]: With dead ends: 12224 [2021-06-05 08:02:23,953 INFO L226 Difference]: Without dead ends: 9745 [2021-06-05 08:02:23,953 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 415.6ms TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-06-05 08:02:23,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9745 states. [2021-06-05 08:02:24,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9745 to 9345. [2021-06-05 08:02:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9345 states, 9343 states have (on average 3.2163116771914804) internal successors, (30050), 9344 states have internal predecessors, (30050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:24,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9345 states to 9345 states and 30050 transitions. [2021-06-05 08:02:24,148 INFO L78 Accepts]: Start accepts. Automaton has 9345 states and 30050 transitions. Word has length 91 [2021-06-05 08:02:24,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:24,148 INFO L482 AbstractCegarLoop]: Abstraction has 9345 states and 30050 transitions. [2021-06-05 08:02:24,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:24,149 INFO L276 IsEmpty]: Start isEmpty. Operand 9345 states and 30050 transitions. [2021-06-05 08:02:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 08:02:24,163 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:24,163 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:24,163 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-05 08:02:24,164 INFO L430 AbstractCegarLoop]: === Iteration 32 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:24,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:24,164 INFO L82 PathProgramCache]: Analyzing trace with hash -998964956, now seen corresponding path program 1 times [2021-06-05 08:02:24,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:24,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830694499] [2021-06-05 08:02:24,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:24,427 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:24,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830694499] [2021-06-05 08:02:24,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830694499] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:24,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:24,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 08:02:24,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691692579] [2021-06-05 08:02:24,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 08:02:24,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:24,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 08:02:24,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-06-05 08:02:24,428 INFO L87 Difference]: Start difference. First operand 9345 states and 30050 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:24,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:24,658 INFO L93 Difference]: Finished difference Result 9273 states and 29916 transitions. [2021-06-05 08:02:24,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 08:02:24,658 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 08:02:24,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:24,672 INFO L225 Difference]: With dead ends: 9273 [2021-06-05 08:02:24,673 INFO L226 Difference]: Without dead ends: 6834 [2021-06-05 08:02:24,673 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 163.5ms TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-06-05 08:02:24,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6834 states. [2021-06-05 08:02:24,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6834 to 6834. [2021-06-05 08:02:24,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6834 states, 6833 states have (on average 3.2654763647007172) internal successors, (22313), 6833 states have internal predecessors, (22313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:24,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6834 states to 6834 states and 22313 transitions. [2021-06-05 08:02:24,804 INFO L78 Accepts]: Start accepts. Automaton has 6834 states and 22313 transitions. Word has length 91 [2021-06-05 08:02:24,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:24,804 INFO L482 AbstractCegarLoop]: Abstraction has 6834 states and 22313 transitions. [2021-06-05 08:02:24,804 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:24,804 INFO L276 IsEmpty]: Start isEmpty. Operand 6834 states and 22313 transitions. [2021-06-05 08:02:24,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 08:02:24,815 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:24,815 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:24,815 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-05 08:02:24,815 INFO L430 AbstractCegarLoop]: === Iteration 33 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:24,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:24,816 INFO L82 PathProgramCache]: Analyzing trace with hash -876030795, now seen corresponding path program 3 times [2021-06-05 08:02:24,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:24,816 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421223082] [2021-06-05 08:02:24,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:24,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:24,949 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:24,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421223082] [2021-06-05 08:02:24,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421223082] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:24,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:24,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 08:02:24,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72430131] [2021-06-05 08:02:24,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 08:02:24,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:24,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 08:02:24,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-05 08:02:24,950 INFO L87 Difference]: Start difference. First operand 6834 states and 22313 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:25,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:25,098 INFO L93 Difference]: Finished difference Result 7523 states and 24177 transitions. [2021-06-05 08:02:25,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 08:02:25,098 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 08:02:25,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:25,112 INFO L225 Difference]: With dead ends: 7523 [2021-06-05 08:02:25,113 INFO L226 Difference]: Without dead ends: 7222 [2021-06-05 08:02:25,113 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 89.2ms TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-06-05 08:02:25,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7222 states. [2021-06-05 08:02:25,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7222 to 6810. [2021-06-05 08:02:25,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6810 states, 6809 states have (on average 3.267293288294904) internal successors, (22247), 6809 states have internal predecessors, (22247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6810 states to 6810 states and 22247 transitions. [2021-06-05 08:02:25,250 INFO L78 Accepts]: Start accepts. Automaton has 6810 states and 22247 transitions. Word has length 91 [2021-06-05 08:02:25,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:25,250 INFO L482 AbstractCegarLoop]: Abstraction has 6810 states and 22247 transitions. [2021-06-05 08:02:25,250 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 6810 states and 22247 transitions. [2021-06-05 08:02:25,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 08:02:25,261 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:25,262 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:25,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-05 08:02:25,262 INFO L430 AbstractCegarLoop]: === Iteration 34 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:25,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:25,262 INFO L82 PathProgramCache]: Analyzing trace with hash 513136423, now seen corresponding path program 4 times [2021-06-05 08:02:25,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:25,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719964602] [2021-06-05 08:02:25,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:25,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:25,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719964602] [2021-06-05 08:02:25,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719964602] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:25,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:25,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 08:02:25,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838066119] [2021-06-05 08:02:25,292 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 08:02:25,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:25,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 08:02:25,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 08:02:25,293 INFO L87 Difference]: Start difference. First operand 6810 states and 22247 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:25,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:25,345 INFO L93 Difference]: Finished difference Result 7362 states and 23656 transitions. [2021-06-05 08:02:25,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 08:02:25,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 08:02:25,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:25,364 INFO L225 Difference]: With dead ends: 7362 [2021-06-05 08:02:25,364 INFO L226 Difference]: Without dead ends: 7322 [2021-06-05 08:02:25,364 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:02:25,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7322 states. [2021-06-05 08:02:25,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7322 to 6850. [2021-06-05 08:02:25,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6850 states, 6849 states have (on average 3.2642721565192) internal successors, (22357), 6849 states have internal predecessors, (22357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6850 states to 6850 states and 22357 transitions. [2021-06-05 08:02:25,494 INFO L78 Accepts]: Start accepts. Automaton has 6850 states and 22357 transitions. Word has length 91 [2021-06-05 08:02:25,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:25,494 INFO L482 AbstractCegarLoop]: Abstraction has 6850 states and 22357 transitions. [2021-06-05 08:02:25,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 6850 states and 22357 transitions. [2021-06-05 08:02:25,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 08:02:25,505 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:25,505 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:25,505 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-05 08:02:25,505 INFO L430 AbstractCegarLoop]: === Iteration 35 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:25,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:25,506 INFO L82 PathProgramCache]: Analyzing trace with hash 733479027, now seen corresponding path program 5 times [2021-06-05 08:02:25,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:25,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127241086] [2021-06-05 08:02:25,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:25,581 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:25,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127241086] [2021-06-05 08:02:25,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127241086] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:25,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:25,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 08:02:25,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941376990] [2021-06-05 08:02:25,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 08:02:25,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:25,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 08:02:25,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 08:02:25,582 INFO L87 Difference]: Start difference. First operand 6850 states and 22357 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:25,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:25,730 INFO L93 Difference]: Finished difference Result 7349 states and 23675 transitions. [2021-06-05 08:02:25,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 08:02:25,730 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 08:02:25,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:25,746 INFO L225 Difference]: With dead ends: 7349 [2021-06-05 08:02:25,746 INFO L226 Difference]: Without dead ends: 7020 [2021-06-05 08:02:25,746 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 71.2ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-06-05 08:02:25,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7020 states. [2021-06-05 08:02:25,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7020 to 5620. [2021-06-05 08:02:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5620 states, 5619 states have (on average 3.2642819006940735) internal successors, (18342), 5619 states have internal predecessors, (18342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:25,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5620 states to 5620 states and 18342 transitions. [2021-06-05 08:02:25,865 INFO L78 Accepts]: Start accepts. Automaton has 5620 states and 18342 transitions. Word has length 91 [2021-06-05 08:02:25,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:25,865 INFO L482 AbstractCegarLoop]: Abstraction has 5620 states and 18342 transitions. [2021-06-05 08:02:25,866 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand 5620 states and 18342 transitions. [2021-06-05 08:02:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-06-05 08:02:25,874 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:02:25,874 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:02:25,874 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-05 08:02:25,875 INFO L430 AbstractCegarLoop]: === Iteration 36 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:02:25,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:02:25,875 INFO L82 PathProgramCache]: Analyzing trace with hash -719902876, now seen corresponding path program 1 times [2021-06-05 08:02:25,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:02:25,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901720633] [2021-06-05 08:02:25,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:02:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:02:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:02:25,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:02:25,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901720633] [2021-06-05 08:02:25,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901720633] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:02:25,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:02:25,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 08:02:25,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696971217] [2021-06-05 08:02:25,970 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 08:02:25,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:02:25,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 08:02:25,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-06-05 08:02:25,971 INFO L87 Difference]: Start difference. First operand 5620 states and 18342 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:26,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:02:26,081 INFO L93 Difference]: Finished difference Result 5503 states and 18103 transitions. [2021-06-05 08:02:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 08:02:26,081 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-06-05 08:02:26,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:02:26,097 INFO L225 Difference]: With dead ends: 5503 [2021-06-05 08:02:26,097 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 08:02:26,097 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 61.1ms TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-06-05 08:02:26,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 08:02:26,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 08:02:26,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 08:02:26,098 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 94 [2021-06-05 08:02:26,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:02:26,098 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 08:02:26,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:02:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 08:02:26,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 08:02:26,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-06-05 08:02:26,117 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 08:02:26,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 08:02:26 BasicIcfg [2021-06-05 08:02:26,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 08:02:26,120 INFO L168 Benchmark]: Toolchain (without parser) took 90722.82 ms. Allocated memory was 308.3 MB in the beginning and 15.0 GB in the end (delta: 14.7 GB). Free memory was 270.5 MB in the beginning and 8.0 GB in the end (delta: -7.8 GB). Peak memory consumption was 6.9 GB. Max. memory is 16.0 GB. [2021-06-05 08:02:26,120 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 308.3 MB. Free memory is still 288.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 08:02:26,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.45 ms. Allocated memory is still 308.3 MB. Free memory was 270.1 MB in the beginning and 268.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-05 08:02:26,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.43 ms. Allocated memory is still 308.3 MB. Free memory was 268.0 MB in the beginning and 265.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 08:02:26,121 INFO L168 Benchmark]: Boogie Preprocessor took 28.10 ms. Allocated memory is still 308.3 MB. Free memory was 265.9 MB in the beginning and 263.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 08:02:26,121 INFO L168 Benchmark]: RCFGBuilder took 1089.49 ms. Allocated memory is still 308.3 MB. Free memory was 263.8 MB in the beginning and 162.1 MB in the end (delta: 101.7 MB). Peak memory consumption was 102.8 MB. Max. memory is 16.0 GB. [2021-06-05 08:02:26,121 INFO L168 Benchmark]: TraceAbstraction took 89043.52 ms. Allocated memory was 308.3 MB in the beginning and 15.0 GB in the end (delta: 14.7 GB). Free memory was 162.1 MB in the beginning and 8.0 GB in the end (delta: -7.9 GB). Peak memory consumption was 6.8 GB. Max. memory is 16.0 GB. [2021-06-05 08:02:26,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 308.3 MB. Free memory is still 288.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 508.45 ms. Allocated memory is still 308.3 MB. Free memory was 270.1 MB in the beginning and 268.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 46.43 ms. Allocated memory is still 308.3 MB. Free memory was 268.0 MB in the beginning and 265.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.10 ms. Allocated memory is still 308.3 MB. Free memory was 265.9 MB in the beginning and 263.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1089.49 ms. Allocated memory is still 308.3 MB. Free memory was 263.8 MB in the beginning and 162.1 MB in the end (delta: 101.7 MB). Peak memory consumption was 102.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 89043.52 ms. Allocated memory was 308.3 MB in the beginning and 15.0 GB in the end (delta: 14.7 GB). Free memory was 162.1 MB in the beginning and 8.0 GB in the end (delta: -7.9 GB). Peak memory consumption was 6.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 712]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 719]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 264 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 88767.0ms, OverallIterations: 36, TraceHistogramMax: 1, EmptinessCheckTime: 2161.9ms, AutomataDifference: 23279.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15421.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9013 SDtfs, 14940 SDslu, 29844 SDs, 0 SdLazy, 6379 SolverSat, 673 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4191.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 456 GetRequests, 80 SyntacticMatches, 9 SemanticMatches, 367 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 4244.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=112214occurred in iteration=4, InterpolantAutomatonStates: 352, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 42160.2ms AutomataMinimizationTime, 36 MinimizatonAttempts, 71084 StatesRemovedByMinimization, 33 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 111.4ms SsaConstructionTime, 561.3ms SatisfiabilityAnalysisTime, 4619.8ms InterpolantComputationTime, 2885 NumberOfCodeBlocks, 2885 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2849 ConstructedInterpolants, 0 QuantifiedInterpolants, 15257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...