/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-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 05:22:46,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 05:22:46,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 05:22:46,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 05:22:46,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 05:22:46,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 05:22:46,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 05:22:46,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 05:22:46,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 05:22:46,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 05:22:46,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 05:22:46,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 05:22:46,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 05:22:46,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 05:22:46,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 05:22:46,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 05:22:46,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 05:22:46,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 05:22:46,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 05:22:46,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 05:22:46,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 05:22:46,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 05:22:46,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 05:22:46,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 05:22:46,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-28 05:22:46,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 05:22:46,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 05:22:46,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 05:22:46,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 05:22:46,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 05:22:46,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 05:22:46,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 05:22:46,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 05:22:46,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 05:22:46,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 05:22:46,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 05:22:46,797 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-MCR.epf [2019-12-28 05:22:46,810 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 05:22:46,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 05:22:46,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 05:22:46,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 05:22:46,812 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 05:22:46,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 05:22:46,813 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 05:22:46,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 05:22:46,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 05:22:46,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 05:22:46,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 05:22:46,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 05:22:46,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 05:22:46,814 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 05:22:46,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 05:22:46,815 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 05:22:46,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 05:22:46,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 05:22:46,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 05:22:46,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 05:22:46,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 05:22:46,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:22:46,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 05:22:46,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 05:22:46,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 05:22:46,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 05:22:46,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 05:22:46,817 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 05:22:46,817 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 05:22:46,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 05:22:46,818 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 05:22:46,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 05:22:47,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 05:22:47,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 05:22:47,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 05:22:47,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 05:22:47,117 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 05:22:47,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.oepc.i [2019-12-28 05:22:47,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438a38a89/07f39dc18c46464681f52b9a4a341c62/FLAG58bcd1eac [2019-12-28 05:22:47,773 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 05:22:47,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.oepc.i [2019-12-28 05:22:47,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438a38a89/07f39dc18c46464681f52b9a4a341c62/FLAG58bcd1eac [2019-12-28 05:22:48,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438a38a89/07f39dc18c46464681f52b9a4a341c62 [2019-12-28 05:22:48,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 05:22:48,116 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 05:22:48,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 05:22:48,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 05:22:48,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 05:22:48,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:22:48" (1/1) ... [2019-12-28 05:22:48,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f15d987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48, skipping insertion in model container [2019-12-28 05:22:48,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:22:48" (1/1) ... [2019-12-28 05:22:48,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 05:22:48,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 05:22:48,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:22:48,652 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 05:22:48,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:22:48,792 INFO L208 MainTranslator]: Completed translation [2019-12-28 05:22:48,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48 WrapperNode [2019-12-28 05:22:48,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 05:22:48,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 05:22:48,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 05:22:48,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 05:22:48,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48" (1/1) ... [2019-12-28 05:22:48,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48" (1/1) ... [2019-12-28 05:22:48,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 05:22:48,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 05:22:48,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 05:22:48,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 05:22:48,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48" (1/1) ... [2019-12-28 05:22:48,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48" (1/1) ... [2019-12-28 05:22:48,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48" (1/1) ... [2019-12-28 05:22:48,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48" (1/1) ... [2019-12-28 05:22:48,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48" (1/1) ... [2019-12-28 05:22:48,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48" (1/1) ... [2019-12-28 05:22:48,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48" (1/1) ... [2019-12-28 05:22:48,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 05:22:48,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 05:22:48,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 05:22:48,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 05:22:48,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48" (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 [2019-12-28 05:22:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 05:22:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 05:22:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 05:22:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 05:22:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 05:22:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 05:22:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 05:22:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 05:22:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 05:22:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 05:22:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 05:22:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 05:22:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 05:22:48,980 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 05:22:49,393 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 05:22:49,394 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 05:22:49,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:22:49 BoogieIcfgContainer [2019-12-28 05:22:49,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 05:22:49,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 05:22:49,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 05:22:49,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 05:22:49,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:22:48" (1/3) ... [2019-12-28 05:22:49,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d540064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:22:49, skipping insertion in model container [2019-12-28 05:22:49,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:48" (2/3) ... [2019-12-28 05:22:49,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d540064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:22:49, skipping insertion in model container [2019-12-28 05:22:49,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:22:49" (3/3) ... [2019-12-28 05:22:49,404 INFO L109 eAbstractionObserver]: Analyzing ICFG safe031_tso.oepc.i [2019-12-28 05:22:49,413 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 05:22:49,413 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 05:22:49,421 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 05:22:49,422 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 05:22:49,451 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,452 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,452 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,452 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,453 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,453 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,454 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,454 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,454 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,454 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,455 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,455 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,455 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,456 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,456 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,456 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,457 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,457 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,461 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,461 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,461 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,462 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,467 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,468 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,468 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,469 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,471 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,472 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,472 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,472 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:49,503 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 05:22:49,523 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:22:49,523 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:22:49,523 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:22:49,523 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:22:49,523 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:22:49,524 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:22:49,524 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:22:49,524 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:22:49,536 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 53 transitions [2019-12-28 05:22:49,621 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-12-28 05:22:49,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-12-28 05:22:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-28 05:22:49,640 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:49,641 INFO L411 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] [2019-12-28 05:22:49,642 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:49,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:49,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1039992911, now seen corresponding path program 1 times [2019-12-28 05:22:49,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:49,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540648360] [2019-12-28 05:22:49,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:50,040 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540648360] [2019-12-28 05:22:50,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:50,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 05:22:50,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [427449620] [2019-12-28 05:22:50,043 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:50,051 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:50,073 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 31 states and 30 transitions. [2019-12-28 05:22:50,074 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:50,078 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:22:50,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 05:22:50,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:50,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 05:22:50,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 05:22:50,093 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-12-28 05:22:50,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:50,233 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-12-28 05:22:50,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 05:22:50,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-12-28 05:22:50,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:50,260 INFO L225 Difference]: With dead ends: 1294 [2019-12-28 05:22:50,260 INFO L226 Difference]: Without dead ends: 600 [2019-12-28 05:22:50,261 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:22:50,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-12-28 05:22:50,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-12-28 05:22:50,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-12-28 05:22:50,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-12-28 05:22:50,377 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-12-28 05:22:50,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:50,378 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-12-28 05:22:50,378 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 05:22:50,378 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-12-28 05:22:50,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 05:22:50,388 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:50,388 INFO L411 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] [2019-12-28 05:22:50,388 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:50,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:50,389 INFO L82 PathProgramCache]: Analyzing trace with hash -194802381, now seen corresponding path program 1 times [2019-12-28 05:22:50,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:50,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685485777] [2019-12-28 05:22:50,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:50,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:50,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685485777] [2019-12-28 05:22:50,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:50,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:22:50,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2116427449] [2019-12-28 05:22:50,564 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:50,569 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:50,575 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 47 transitions. [2019-12-28 05:22:50,575 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:50,579 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-28 05:22:50,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:22:50,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:50,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:22:50,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:22:50,591 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-12-28 05:22:50,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:50,688 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-12-28 05:22:50,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 05:22:50,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-28 05:22:50,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:50,695 INFO L225 Difference]: With dead ends: 600 [2019-12-28 05:22:50,695 INFO L226 Difference]: Without dead ends: 537 [2019-12-28 05:22:50,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:22:50,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-12-28 05:22:50,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-12-28 05:22:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-12-28 05:22:50,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-12-28 05:22:50,732 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-12-28 05:22:50,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:50,732 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-12-28 05:22:50,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:22:50,733 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-12-28 05:22:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 05:22:50,735 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:50,735 INFO L411 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] [2019-12-28 05:22:50,735 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:50,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:50,736 INFO L82 PathProgramCache]: Analyzing trace with hash 149291031, now seen corresponding path program 1 times [2019-12-28 05:22:50,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:50,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361511462] [2019-12-28 05:22:50,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:50,894 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361511462] [2019-12-28 05:22:50,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:50,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 05:22:50,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1459611272] [2019-12-28 05:22:50,895 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:50,899 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:50,904 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 41 states and 48 transitions. [2019-12-28 05:22:50,905 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:50,906 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-28 05:22:50,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 05:22:50,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:50,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 05:22:50,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 05:22:50,907 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-12-28 05:22:51,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:51,018 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-12-28 05:22:51,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:22:51,019 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-12-28 05:22:51,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:51,023 INFO L225 Difference]: With dead ends: 402 [2019-12-28 05:22:51,023 INFO L226 Difference]: Without dead ends: 348 [2019-12-28 05:22:51,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-28 05:22:51,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-12-28 05:22:51,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-12-28 05:22:51,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-12-28 05:22:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-12-28 05:22:51,040 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-12-28 05:22:51,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:51,041 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-12-28 05:22:51,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 05:22:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-12-28 05:22:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 05:22:51,043 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:51,043 INFO L411 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] [2019-12-28 05:22:51,044 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:51,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:51,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1292788502, now seen corresponding path program 1 times [2019-12-28 05:22:51,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:51,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688111492] [2019-12-28 05:22:51,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:51,262 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688111492] [2019-12-28 05:22:51,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:51,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:22:51,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1528679000] [2019-12-28 05:22:51,264 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:51,269 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:51,278 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 42 states and 49 transitions. [2019-12-28 05:22:51,278 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:51,279 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:22:51,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:22:51,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:51,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:22:51,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:22:51,280 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 7 states. [2019-12-28 05:22:51,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:51,549 INFO L93 Difference]: Finished difference Result 726 states and 1958 transitions. [2019-12-28 05:22:51,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-28 05:22:51,550 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-28 05:22:51,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:51,553 INFO L225 Difference]: With dead ends: 726 [2019-12-28 05:22:51,554 INFO L226 Difference]: Without dead ends: 267 [2019-12-28 05:22:51,557 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2019-12-28 05:22:51,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2019-12-28 05:22:51,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2019-12-28 05:22:51,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2019-12-28 05:22:51,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 701 transitions. [2019-12-28 05:22:51,570 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 701 transitions. Word has length 33 [2019-12-28 05:22:51,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:51,570 INFO L462 AbstractCegarLoop]: Abstraction has 267 states and 701 transitions. [2019-12-28 05:22:51,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:22:51,570 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 701 transitions. [2019-12-28 05:22:51,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 05:22:51,573 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:51,573 INFO L411 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] [2019-12-28 05:22:51,574 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:51,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:51,575 INFO L82 PathProgramCache]: Analyzing trace with hash 839661758, now seen corresponding path program 2 times [2019-12-28 05:22:51,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:51,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102852158] [2019-12-28 05:22:51,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:51,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102852158] [2019-12-28 05:22:51,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:51,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:22:51,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1446438586] [2019-12-28 05:22:51,798 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:51,802 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:51,808 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 34 states and 33 transitions. [2019-12-28 05:22:51,811 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:51,812 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:22:51,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:22:51,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:51,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:22:51,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:22:51,816 INFO L87 Difference]: Start difference. First operand 267 states and 701 transitions. Second operand 7 states. [2019-12-28 05:22:51,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:51,932 INFO L93 Difference]: Finished difference Result 438 states and 1181 transitions. [2019-12-28 05:22:51,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:22:51,933 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-28 05:22:51,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:51,935 INFO L225 Difference]: With dead ends: 438 [2019-12-28 05:22:51,935 INFO L226 Difference]: Without dead ends: 264 [2019-12-28 05:22:51,937 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-12-28 05:22:51,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-12-28 05:22:51,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2019-12-28 05:22:51,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-12-28 05:22:51,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 695 transitions. [2019-12-28 05:22:51,947 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 695 transitions. Word has length 33 [2019-12-28 05:22:51,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:51,948 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 695 transitions. [2019-12-28 05:22:51,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:22:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 695 transitions. [2019-12-28 05:22:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 05:22:51,949 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:51,949 INFO L411 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] [2019-12-28 05:22:51,950 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:51,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:51,950 INFO L82 PathProgramCache]: Analyzing trace with hash 301806180, now seen corresponding path program 3 times [2019-12-28 05:22:51,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:51,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473189655] [2019-12-28 05:22:51,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:52,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473189655] [2019-12-28 05:22:52,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:52,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:22:52,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1477921932] [2019-12-28 05:22:52,098 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:52,102 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:52,107 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 41 transitions. [2019-12-28 05:22:52,108 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:52,182 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 05:22:52,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 05:22:52,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:52,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 05:22:52,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:22:52,184 INFO L87 Difference]: Start difference. First operand 264 states and 695 transitions. Second operand 8 states. [2019-12-28 05:22:52,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:52,305 INFO L93 Difference]: Finished difference Result 210 states and 533 transitions. [2019-12-28 05:22:52,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:22:52,305 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-12-28 05:22:52,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:52,306 INFO L225 Difference]: With dead ends: 210 [2019-12-28 05:22:52,306 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 05:22:52,307 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-12-28 05:22:52,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 05:22:52,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 05:22:52,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 05:22:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 05:22:52,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-12-28 05:22:52,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:52,308 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 05:22:52,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 05:22:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 05:22:52,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 05:22:52,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 05:22:52 BasicIcfg [2019-12-28 05:22:52,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 05:22:52,332 INFO L168 Benchmark]: Toolchain (without parser) took 4212.87 ms. Allocated memory was 145.2 MB in the beginning and 249.0 MB in the end (delta: 103.8 MB). Free memory was 101.0 MB in the beginning and 129.2 MB in the end (delta: -28.2 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. [2019-12-28 05:22:52,333 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-28 05:22:52,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.70 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 158.8 MB in the end (delta: -58.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-12-28 05:22:52,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.97 ms. Allocated memory is still 202.9 MB. Free memory was 158.2 MB in the beginning and 156.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-28 05:22:52,339 INFO L168 Benchmark]: Boogie Preprocessor took 32.55 ms. Allocated memory is still 202.9 MB. Free memory was 156.2 MB in the beginning and 154.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-28 05:22:52,341 INFO L168 Benchmark]: RCFGBuilder took 496.63 ms. Allocated memory is still 202.9 MB. Free memory was 154.9 MB in the beginning and 134.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-12-28 05:22:52,341 INFO L168 Benchmark]: TraceAbstraction took 2930.65 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 134.1 MB in the beginning and 129.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2019-12-28 05:22:52,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.70 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 158.8 MB in the end (delta: -58.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 71.97 ms. Allocated memory is still 202.9 MB. Free memory was 158.2 MB in the beginning and 156.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.55 ms. Allocated memory is still 202.9 MB. Free memory was 156.2 MB in the beginning and 154.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 496.63 ms. Allocated memory is still 202.9 MB. Free memory was 154.9 MB in the beginning and 134.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2930.65 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 134.1 MB in the beginning and 129.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 297 SDtfs, 368 SDslu, 833 SDs, 0 SdLazy, 107 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 15450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...