/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 11:39:40,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 11:39:40,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 11:39:40,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 11:39:40,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 11:39:40,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 11:39:40,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 11:39:40,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 11:39:40,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 11:39:40,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 11:39:40,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 11:39:40,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 11:39:40,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 11:39:40,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 11:39:40,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 11:39:40,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 11:39:40,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 11:39:40,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 11:39:40,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 11:39:40,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 11:39:40,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 11:39:40,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 11:39:40,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 11:39:40,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 11:39:40,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 11:39:40,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 11:39:40,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 11:39:40,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 11:39:40,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 11:39:40,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 11:39:40,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 11:39:40,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 11:39:40,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 11:39:40,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 11:39:40,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 11:39:40,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 11:39:40,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 11:39:40,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 11:39:40,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 11:39:40,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 11:39:40,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 11:39:40,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-McrStrategy.epf [2020-04-18 11:39:40,940 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 11:39:40,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 11:39:40,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 11:39:40,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 11:39:40,942 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 11:39:40,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 11:39:40,943 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 11:39:40,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 11:39:40,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 11:39:40,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 11:39:40,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 11:39:40,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 11:39:40,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 11:39:40,945 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 11:39:40,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 11:39:40,945 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 11:39:40,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 11:39:40,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 11:39:40,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 11:39:40,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 11:39:40,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 11:39:40,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 11:39:40,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 11:39:40,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 11:39:40,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 11:39:40,947 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 11:39:40,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 11:39:40,947 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 11:39:40,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 11:39:40,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 11:39:41,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 11:39:41,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 11:39:41,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 11:39:41,212 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 11:39:41,212 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 11:39:41,212 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-1.i [2020-04-18 11:39:41,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d30365af9/fb62e7eaae0744b79d1547b824e05650/FLAGf75e2ef08 [2020-04-18 11:39:41,834 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 11:39:41,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-1.i [2020-04-18 11:39:41,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d30365af9/fb62e7eaae0744b79d1547b824e05650/FLAGf75e2ef08 [2020-04-18 11:39:42,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d30365af9/fb62e7eaae0744b79d1547b824e05650 [2020-04-18 11:39:42,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 11:39:42,103 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 11:39:42,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 11:39:42,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 11:39:42,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 11:39:42,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:39:42" (1/1) ... [2020-04-18 11:39:42,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7d1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42, skipping insertion in model container [2020-04-18 11:39:42,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:39:42" (1/1) ... [2020-04-18 11:39:42,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 11:39:42,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 11:39:42,372 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-04-18 11:39:42,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:39:42,759 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 11:39:42,782 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-04-18 11:39:42,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:39:42,937 INFO L208 MainTranslator]: Completed translation [2020-04-18 11:39:42,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42 WrapperNode [2020-04-18 11:39:42,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 11:39:42,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 11:39:42,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 11:39:42,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 11:39:42,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42" (1/1) ... [2020-04-18 11:39:42,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42" (1/1) ... [2020-04-18 11:39:43,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 11:39:43,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 11:39:43,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 11:39:43,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 11:39:43,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42" (1/1) ... [2020-04-18 11:39:43,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42" (1/1) ... [2020-04-18 11:39:43,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42" (1/1) ... [2020-04-18 11:39:43,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42" (1/1) ... [2020-04-18 11:39:43,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42" (1/1) ... [2020-04-18 11:39:43,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42" (1/1) ... [2020-04-18 11:39:43,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42" (1/1) ... [2020-04-18 11:39:43,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 11:39:43,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 11:39:43,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 11:39:43,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 11:39:43,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42" (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 [2020-04-18 11:39:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 11:39:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 11:39:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 11:39:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 11:39:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2020-04-18 11:39:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2020-04-18 11:39:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 11:39:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 11:39:43,164 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 11:39:43,619 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 11:39:43,620 INFO L295 CfgBuilder]: Removed 17 assume(true) statements. [2020-04-18 11:39:43,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:39:43 BoogieIcfgContainer [2020-04-18 11:39:43,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 11:39:43,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 11:39:43,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 11:39:43,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 11:39:43,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 11:39:42" (1/3) ... [2020-04-18 11:39:43,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de3aba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:39:43, skipping insertion in model container [2020-04-18 11:39:43,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:39:42" (2/3) ... [2020-04-18 11:39:43,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de3aba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:39:43, skipping insertion in model container [2020-04-18 11:39:43,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:39:43" (3/3) ... [2020-04-18 11:39:43,639 INFO L109 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2020-04-18 11:39:43,649 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 11:39:43,649 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 11:39:43,656 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-04-18 11:39:43,657 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 11:39:43,685 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,685 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,685 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,686 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,686 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,686 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,686 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,687 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,687 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,687 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,687 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,688 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,688 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,688 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,688 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,689 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,689 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,689 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,689 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,690 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,690 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,690 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,690 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,691 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,691 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,691 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,691 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,692 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,692 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,692 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,692 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,692 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,693 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,693 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,693 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,693 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,694 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,694 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,694 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,694 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,695 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,695 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,695 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,695 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,695 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,696 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,696 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,696 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,696 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,697 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,697 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,697 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,697 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,698 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,698 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,698 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,698 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,698 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,699 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,699 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,699 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,699 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,700 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,700 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,700 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,700 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,701 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,701 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,701 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,701 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,702 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,702 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,702 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,702 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,703 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,703 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,703 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,703 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,704 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,704 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,704 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,704 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,705 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,705 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,705 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,705 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,706 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,706 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,706 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,706 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,706 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,707 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,707 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,707 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,708 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,708 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,708 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,708 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,712 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,713 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,713 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,713 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,713 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,714 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,714 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,714 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,714 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,715 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,715 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,715 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,715 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,715 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,716 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,716 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,716 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,716 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,717 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,717 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,717 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,717 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,718 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,718 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,718 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,718 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,719 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,719 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:39:43,752 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-04-18 11:39:43,773 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 11:39:43,773 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 11:39:43,773 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 11:39:43,774 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 11:39:43,774 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 11:39:43,774 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 11:39:43,774 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 11:39:43,774 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 11:39:43,798 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 113 transitions, 234 flow [2020-04-18 11:39:43,801 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 108 places, 113 transitions, 234 flow [2020-04-18 11:39:43,877 INFO L129 PetriNetUnfolder]: 9/112 cut-off events. [2020-04-18 11:39:43,877 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-04-18 11:39:43,887 INFO L80 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 112 events. 9/112 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 218 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2020-04-18 11:39:43,894 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 108 places, 113 transitions, 234 flow [2020-04-18 11:39:43,924 INFO L129 PetriNetUnfolder]: 9/112 cut-off events. [2020-04-18 11:39:43,924 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-04-18 11:39:43,926 INFO L80 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 112 events. 9/112 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 218 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2020-04-18 11:39:43,929 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3888 [2020-04-18 11:39:43,930 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 11:39:45,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:39:45,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:39:45,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:39:45,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:39:46,327 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-04-18 11:39:46,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:39:46,826 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:39:46,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:39:46,915 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4798 [2020-04-18 11:39:46,915 INFO L214 etLargeBlockEncoding]: Total number of compositions: 106 [2020-04-18 11:39:46,919 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 26 transitions, 60 flow [2020-04-18 11:39:46,932 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2020-04-18 11:39:46,934 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2020-04-18 11:39:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-04-18 11:39:46,940 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:39:46,941 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-04-18 11:39:46,941 INFO L427 AbstractCegarLoop]: === Iteration 1 === [reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 11:39:46,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:39:46,947 INFO L82 PathProgramCache]: Analyzing trace with hash 14029129, now seen corresponding path program 1 times [2020-04-18 11:39:46,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:39:46,955 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [370085531] [2020-04-18 11:39:46,973 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:39:46,986 INFO L259 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-04-18 11:39:46,987 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2020-04-18 11:39:46,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-04-18 11:39:46,988 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:39:46,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:39:46,988 INFO L82 PathProgramCache]: Analyzing trace with hash 14029129, now seen corresponding path program 2 times [2020-04-18 11:39:46,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:39:46,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018142876] [2020-04-18 11:39:46,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:39:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:39:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:39:47,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018142876] [2020-04-18 11:39:47,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:39:47,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 11:39:47,171 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:39:47,172 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:39:47,173 INFO L259 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-04-18 11:39:47,173 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:39:47,182 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:39:47,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:39:47,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:39:47,188 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2020-04-18 11:39:47,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:39:47,197 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2020-04-18 11:39:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2020-04-18 11:39:47,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:39:47,198 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [370085531] [2020-04-18 11:39:47,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:39:47,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 11:39:47,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [370085531] [2020-04-18 11:39:47,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:39:47,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:39:47,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:39:47,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:39:47,210 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2020-04-18 11:39:47,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:39:47,253 INFO L93 Difference]: Finished difference Result 139 states and 289 transitions. [2020-04-18 11:39:47,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:39:47,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-04-18 11:39:47,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:39:47,276 INFO L225 Difference]: With dead ends: 139 [2020-04-18 11:39:47,277 INFO L226 Difference]: Without dead ends: 128 [2020-04-18 11:39:47,278 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:39:47,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-04-18 11:39:47,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 92. [2020-04-18 11:39:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-04-18 11:39:47,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 192 transitions. [2020-04-18 11:39:47,322 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 192 transitions. Word has length 4 [2020-04-18 11:39:47,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:39:47,323 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 192 transitions. [2020-04-18 11:39:47,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:39:47,323 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 192 transitions. [2020-04-18 11:39:47,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-04-18 11:39:47,324 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:39:47,324 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:39:47,324 INFO L427 AbstractCegarLoop]: === Iteration 2 === [reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 11:39:47,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:39:47,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1331349883, now seen corresponding path program 1 times [2020-04-18 11:39:47,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:39:47,326 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1462344549] [2020-04-18 11:39:47,326 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:39:47,326 INFO L259 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-04-18 11:39:47,327 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-04-18 11:39:47,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-04-18 11:39:47,327 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:39:47,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:39:47,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1331349883, now seen corresponding path program 2 times [2020-04-18 11:39:47,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:39:47,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131569564] [2020-04-18 11:39:47,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:39:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:39:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:39:47,412 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 11:39:47,412 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 11:39:47,413 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 11:39:47,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 11:39:47 BasicIcfg [2020-04-18 11:39:47,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 11:39:47,441 INFO L168 Benchmark]: Toolchain (without parser) took 5359.49 ms. Allocated memory was 142.1 MB in the beginning and 273.7 MB in the end (delta: 131.6 MB). Free memory was 100.9 MB in the beginning and 204.1 MB in the end (delta: -103.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-04-18 11:39:47,442 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 142.1 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 11:39:47,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 834.40 ms. Allocated memory was 142.1 MB in the beginning and 206.0 MB in the end (delta: 64.0 MB). Free memory was 98.9 MB in the beginning and 151.3 MB in the end (delta: -52.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-04-18 11:39:47,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.64 ms. Allocated memory is still 206.0 MB. Free memory was 151.3 MB in the beginning and 148.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-04-18 11:39:47,444 INFO L168 Benchmark]: Boogie Preprocessor took 73.62 ms. Allocated memory is still 206.0 MB. Free memory was 148.5 MB in the beginning and 147.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-04-18 11:39:47,445 INFO L168 Benchmark]: RCFGBuilder took 543.82 ms. Allocated memory is still 206.0 MB. Free memory was 147.2 MB in the beginning and 118.7 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2020-04-18 11:39:47,446 INFO L168 Benchmark]: TraceAbstraction took 3806.64 ms. Allocated memory was 206.0 MB in the beginning and 273.7 MB in the end (delta: 67.6 MB). Free memory was 118.0 MB in the beginning and 204.1 MB in the end (delta: -86.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-04-18 11:39:47,450 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 142.1 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 834.40 ms. Allocated memory was 142.1 MB in the beginning and 206.0 MB in the end (delta: 64.0 MB). Free memory was 98.9 MB in the beginning and 151.3 MB in the end (delta: -52.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 74.64 ms. Allocated memory is still 206.0 MB. Free memory was 151.3 MB in the beginning and 148.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.62 ms. Allocated memory is still 206.0 MB. Free memory was 148.5 MB in the beginning and 147.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 543.82 ms. Allocated memory is still 206.0 MB. Free memory was 147.2 MB in the beginning and 118.7 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3806.64 ms. Allocated memory was 206.0 MB in the beginning and 273.7 MB in the end (delta: 67.6 MB). Free memory was 118.0 MB in the beginning and 204.1 MB in the end (delta: -86.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.1s, 108 ProgramPointsBefore, 26 ProgramPointsAfterwards, 113 TransitionsBefore, 26 TransitionsAfterwards, 3888 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 74 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 5 ChoiceCompositions, 2124 VarBasedMoverChecksPositive, 53 VarBasedMoverChecksNegative, 19 SemBasedMoverChecksPositive, 58 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 4798 CheckedPairsTotal, 106 TotalNumberOfCompositions - CounterExampleResult [Line: 844]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L853] 0 pthread_t reader; [L854] 0 Ring r; [L812] EXPR 0 r->writer = 0 [L812] 0 r->reader = r->writer = 0 [L856] FCALL, FORK 0 pthread_create( &reader, ((void *)0), &reader_nowait_fn, &r ) [L840] 1 Ring *r = arg; [L841] 1 long val = 0, last = 0, i = 0; [L842] COND TRUE 1 i < 8 [L804] EXPR 1 r->reader [L804] EXPR 1 r->q[ r->reader ] [L804] 1 long x = r->q[ r->reader ]; [L805] EXPR 1 r->reader [L805] 1 r->reader = (r->reader + 1) % 4 [L806] 1 return x; [L843] 1 val = ring_dequeue( r ) [L844] 1 !(val == last + 1) ? __VERIFIER_error() : (void)0 [L844] 1 __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 32 SDtfs, 14 SDslu, 18 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...