/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/safe037_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 05:31:42,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 05:31:42,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 05:31:42,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 05:31:42,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 05:31:42,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 05:31:42,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 05:31:42,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 05:31:42,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 05:31:42,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 05:31:42,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 05:31:42,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 05:31:42,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 05:31:42,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 05:31:42,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 05:31:42,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 05:31:42,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 05:31:42,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 05:31:42,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 05:31:42,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 05:31:42,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 05:31:42,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 05:31:42,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 05:31:42,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 05:31:42,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 05:31:42,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 05:31:42,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 05:31:42,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 05:31:42,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 05:31:42,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 05:31:42,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 05:31:42,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 05:31:42,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 05:31:42,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 05:31:42,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 05:31:42,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 05:31:42,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 05:31:42,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 05:31:42,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 05:31:42,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 05:31:42,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 05:31:42,791 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 05:31:42,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 05:31:42,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 05:31:42,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 05:31:42,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 05:31:42,830 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 05:31:42,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 05:31:42,830 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 05:31:42,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 05:31:42,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 05:31:42,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 05:31:42,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 05:31:42,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 05:31:42,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 05:31:42,831 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 05:31:42,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 05:31:42,832 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 05:31:42,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 05:31:42,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 05:31:42,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 05:31:42,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 05:31:42,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 05:31:42,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:31:42,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 05:31:42,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 05:31:42,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 05:31:42,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 05:31:42,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 05:31:42,834 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 05:31:42,834 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 05:31:42,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 05:31:42,835 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 05:31:42,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 05:31:43,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 05:31:43,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 05:31:43,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 05:31:43,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 05:31:43,131 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 05:31:43,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_pso.oepc.i [2019-12-28 05:31:43,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196086f5e/f1370237e6794dc488be685c433954ca/FLAGab39cf85a [2019-12-28 05:31:43,695 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 05:31:43,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_pso.oepc.i [2019-12-28 05:31:43,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196086f5e/f1370237e6794dc488be685c433954ca/FLAGab39cf85a [2019-12-28 05:31:44,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196086f5e/f1370237e6794dc488be685c433954ca [2019-12-28 05:31:44,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 05:31:44,046 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 05:31:44,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 05:31:44,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 05:31:44,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 05:31:44,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:31:44" (1/1) ... [2019-12-28 05:31:44,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8b6dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44, skipping insertion in model container [2019-12-28 05:31:44,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:31:44" (1/1) ... [2019-12-28 05:31:44,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 05:31:44,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 05:31:44,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:31:44,671 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 05:31:44,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:31:44,821 INFO L208 MainTranslator]: Completed translation [2019-12-28 05:31:44,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44 WrapperNode [2019-12-28 05:31:44,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 05:31:44,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 05:31:44,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 05:31:44,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 05:31:44,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44" (1/1) ... [2019-12-28 05:31:44,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44" (1/1) ... [2019-12-28 05:31:44,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 05:31:44,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 05:31:44,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 05:31:44,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 05:31:44,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44" (1/1) ... [2019-12-28 05:31:44,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44" (1/1) ... [2019-12-28 05:31:44,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44" (1/1) ... [2019-12-28 05:31:44,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44" (1/1) ... [2019-12-28 05:31:44,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44" (1/1) ... [2019-12-28 05:31:44,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44" (1/1) ... [2019-12-28 05:31:44,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44" (1/1) ... [2019-12-28 05:31:44,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 05:31:44,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 05:31:44,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 05:31:44,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 05:31:44,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44" (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 05:31:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 05:31:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 05:31:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 05:31:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 05:31:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 05:31:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 05:31:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 05:31:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 05:31:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 05:31:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 05:31:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 05:31:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 05:31:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 05:31:44,978 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 05:31:45,346 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 05:31:45,347 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 05:31:45,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:31:45 BoogieIcfgContainer [2019-12-28 05:31:45,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 05:31:45,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 05:31:45,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 05:31:45,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 05:31:45,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:31:44" (1/3) ... [2019-12-28 05:31:45,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7b6020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:31:45, skipping insertion in model container [2019-12-28 05:31:45,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:31:44" (2/3) ... [2019-12-28 05:31:45,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7b6020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:31:45, skipping insertion in model container [2019-12-28 05:31:45,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:31:45" (3/3) ... [2019-12-28 05:31:45,357 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_pso.oepc.i [2019-12-28 05:31:45,367 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 05:31:45,367 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 05:31:45,374 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 05:31:45,375 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 05:31:45,403 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,403 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,404 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,404 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,405 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,405 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,405 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,406 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,406 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,406 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,406 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,407 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,407 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,407 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,408 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,408 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,408 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,408 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,412 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,412 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,413 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,413 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,418 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,419 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,419 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,419 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,422 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,423 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,423 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,423 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:31:45,439 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 05:31:45,459 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:31:45,460 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:31:45,460 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:31:45,460 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:31:45,460 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:31:45,460 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:31:45,461 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:31:45,461 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:31:45,472 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64 places, 55 transitions [2019-12-28 05:31:45,553 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1249 states. [2019-12-28 05:31:45,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states. [2019-12-28 05:31:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 05:31:45,572 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:31:45,574 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 05:31:45,574 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:31:45,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:31:45,581 INFO L82 PathProgramCache]: Analyzing trace with hash -856501925, now seen corresponding path program 1 times [2019-12-28 05:31:45,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:31:45,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579350801] [2019-12-28 05:31:45,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:31:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:31:46,007 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 05:31:46,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579350801] [2019-12-28 05:31:46,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:31:46,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 05:31:46,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [141229146] [2019-12-28 05:31:46,012 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:31:46,021 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:31:46,050 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 33 states and 32 transitions. [2019-12-28 05:31:46,051 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:31:46,057 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:31:46,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 05:31:46,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:31:46,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 05:31:46,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 05:31:46,070 INFO L87 Difference]: Start difference. First operand 1249 states. Second operand 4 states. [2019-12-28 05:31:46,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:31:46,201 INFO L93 Difference]: Finished difference Result 1296 states and 3962 transitions. [2019-12-28 05:31:46,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 05:31:46,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-28 05:31:46,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:31:46,227 INFO L225 Difference]: With dead ends: 1296 [2019-12-28 05:31:46,227 INFO L226 Difference]: Without dead ends: 602 [2019-12-28 05:31:46,229 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 05:31:46,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-12-28 05:31:46,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2019-12-28 05:31:46,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-12-28 05:31:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1777 transitions. [2019-12-28 05:31:46,353 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1777 transitions. Word has length 32 [2019-12-28 05:31:46,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:31:46,354 INFO L462 AbstractCegarLoop]: Abstraction has 602 states and 1777 transitions. [2019-12-28 05:31:46,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 05:31:46,355 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1777 transitions. [2019-12-28 05:31:46,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 05:31:46,361 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:31:46,361 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 05:31:46,362 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:31:46,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:31:46,362 INFO L82 PathProgramCache]: Analyzing trace with hash 709357799, now seen corresponding path program 1 times [2019-12-28 05:31:46,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:31:46,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55569326] [2019-12-28 05:31:46,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:31:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:31:46,583 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 05:31:46,584 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55569326] [2019-12-28 05:31:46,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:31:46,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:31:46,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [555116125] [2019-12-28 05:31:46,586 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:31:46,590 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:31:46,595 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 42 states and 49 transitions. [2019-12-28 05:31:46,595 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:31:46,597 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:31:46,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:31:46,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:31:46,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:31:46,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:31:46,609 INFO L87 Difference]: Start difference. First operand 602 states and 1777 transitions. Second operand 5 states. [2019-12-28 05:31:46,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:31:46,702 INFO L93 Difference]: Finished difference Result 602 states and 1696 transitions. [2019-12-28 05:31:46,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 05:31:46,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-28 05:31:46,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:31:46,709 INFO L225 Difference]: With dead ends: 602 [2019-12-28 05:31:46,709 INFO L226 Difference]: Without dead ends: 539 [2019-12-28 05:31:46,710 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:31:46,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-12-28 05:31:46,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2019-12-28 05:31:46,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-12-28 05:31:46,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1546 transitions. [2019-12-28 05:31:46,734 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1546 transitions. Word has length 33 [2019-12-28 05:31:46,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:31:46,735 INFO L462 AbstractCegarLoop]: Abstraction has 539 states and 1546 transitions. [2019-12-28 05:31:46,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:31:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1546 transitions. [2019-12-28 05:31:46,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 05:31:46,737 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:31:46,737 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, 1] [2019-12-28 05:31:46,737 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:31:46,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:31:46,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1444603190, now seen corresponding path program 1 times [2019-12-28 05:31:46,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:31:46,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997450312] [2019-12-28 05:31:46,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:31:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:31:46,887 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 05:31:46,887 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997450312] [2019-12-28 05:31:46,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:31:46,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 05:31:46,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2025486758] [2019-12-28 05:31:46,888 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:31:46,892 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:31:46,898 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 47 states and 58 transitions. [2019-12-28 05:31:46,898 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:31:46,956 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 3 times. [2019-12-28 05:31:46,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:31:46,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:31:46,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:31:46,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:31:46,957 INFO L87 Difference]: Start difference. First operand 539 states and 1546 transitions. Second operand 7 states. [2019-12-28 05:31:47,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:31:47,062 INFO L93 Difference]: Finished difference Result 404 states and 1060 transitions. [2019-12-28 05:31:47,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:31:47,063 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-12-28 05:31:47,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:31:47,066 INFO L225 Difference]: With dead ends: 404 [2019-12-28 05:31:47,066 INFO L226 Difference]: Without dead ends: 350 [2019-12-28 05:31:47,067 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2019-12-28 05:31:47,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-12-28 05:31:47,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2019-12-28 05:31:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-12-28 05:31:47,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 916 transitions. [2019-12-28 05:31:47,080 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 916 transitions. Word has length 34 [2019-12-28 05:31:47,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:31:47,081 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 916 transitions. [2019-12-28 05:31:47,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:31:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 916 transitions. [2019-12-28 05:31:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 05:31:47,083 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:31:47,083 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, 1, 1] [2019-12-28 05:31:47,083 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:31:47,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:31:47,084 INFO L82 PathProgramCache]: Analyzing trace with hash 318820434, now seen corresponding path program 1 times [2019-12-28 05:31:47,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:31:47,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623264955] [2019-12-28 05:31:47,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:31:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:31:47,259 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 05:31:47,259 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623264955] [2019-12-28 05:31:47,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:31:47,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:31:47,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [464612599] [2019-12-28 05:31:47,261 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:31:47,269 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:31:47,281 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 48 states and 59 transitions. [2019-12-28 05:31:47,282 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:31:47,282 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:31:47,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:31:47,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:31:47,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:31:47,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:31:47,285 INFO L87 Difference]: Start difference. First operand 350 states and 916 transitions. Second operand 7 states. [2019-12-28 05:31:47,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:31:47,479 INFO L93 Difference]: Finished difference Result 521 states and 1396 transitions. [2019-12-28 05:31:47,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:31:47,480 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2019-12-28 05:31:47,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:31:47,484 INFO L225 Difference]: With dead ends: 521 [2019-12-28 05:31:47,484 INFO L226 Difference]: Without dead ends: 314 [2019-12-28 05:31:47,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-28 05:31:47,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-12-28 05:31:47,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 305. [2019-12-28 05:31:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-12-28 05:31:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 781 transitions. [2019-12-28 05:31:47,499 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 781 transitions. Word has length 35 [2019-12-28 05:31:47,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:31:47,500 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 781 transitions. [2019-12-28 05:31:47,501 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:31:47,501 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 781 transitions. [2019-12-28 05:31:47,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 05:31:47,502 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:31:47,502 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, 1, 1] [2019-12-28 05:31:47,502 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:31:47,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:31:47,503 INFO L82 PathProgramCache]: Analyzing trace with hash 944612746, now seen corresponding path program 2 times [2019-12-28 05:31:47,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:31:47,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612393812] [2019-12-28 05:31:47,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:31:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:31:47,679 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 05:31:47,680 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612393812] [2019-12-28 05:31:47,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:31:47,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:31:47,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1472955481] [2019-12-28 05:31:47,680 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:31:47,685 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:31:47,691 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 44 states and 51 transitions. [2019-12-28 05:31:47,691 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:31:47,696 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:31:47,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:31:47,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:31:47,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:31:47,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:31:47,699 INFO L87 Difference]: Start difference. First operand 305 states and 781 transitions. Second operand 7 states. [2019-12-28 05:31:47,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:31:47,868 INFO L93 Difference]: Finished difference Result 476 states and 1261 transitions. [2019-12-28 05:31:47,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:31:47,871 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2019-12-28 05:31:47,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:31:47,877 INFO L225 Difference]: With dead ends: 476 [2019-12-28 05:31:47,877 INFO L226 Difference]: Without dead ends: 278 [2019-12-28 05:31:47,878 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-28 05:31:47,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-12-28 05:31:47,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 269. [2019-12-28 05:31:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-12-28 05:31:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 703 transitions. [2019-12-28 05:31:47,888 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 703 transitions. Word has length 35 [2019-12-28 05:31:47,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:31:47,889 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 703 transitions. [2019-12-28 05:31:47,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:31:47,889 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 703 transitions. [2019-12-28 05:31:47,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 05:31:47,893 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:31:47,893 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, 1, 1] [2019-12-28 05:31:47,893 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:31:47,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:31:47,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1320097416, now seen corresponding path program 3 times [2019-12-28 05:31:47,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:31:47,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761992538] [2019-12-28 05:31:47,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:31:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:31:48,069 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 05:31:48,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761992538] [2019-12-28 05:31:48,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:31:48,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:31:48,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [733737294] [2019-12-28 05:31:48,072 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:31:48,077 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:31:48,083 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 43 transitions. [2019-12-28 05:31:48,084 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:31:48,113 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 3 times. [2019-12-28 05:31:48,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 05:31:48,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:31:48,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 05:31:48,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:31:48,115 INFO L87 Difference]: Start difference. First operand 269 states and 703 transitions. Second operand 8 states. [2019-12-28 05:31:48,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:31:48,273 INFO L93 Difference]: Finished difference Result 215 states and 541 transitions. [2019-12-28 05:31:48,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:31:48,274 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-28 05:31:48,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:31:48,274 INFO L225 Difference]: With dead ends: 215 [2019-12-28 05:31:48,274 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 05:31:48,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-12-28 05:31:48,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 05:31:48,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 05:31:48,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 05:31:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 05:31:48,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2019-12-28 05:31:48,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:31:48,276 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 05:31:48,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 05:31:48,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 05:31:48,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 05:31:48,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 05:31:48 BasicIcfg [2019-12-28 05:31:48,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 05:31:48,291 INFO L168 Benchmark]: Toolchain (without parser) took 4242.81 ms. Allocated memory was 144.7 MB in the beginning and 249.6 MB in the end (delta: 104.9 MB). Free memory was 100.8 MB in the beginning and 108.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 96.8 MB. Max. memory is 7.1 GB. [2019-12-28 05:31:48,292 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-28 05:31:48,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.25 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.4 MB in the beginning and 157.2 MB in the end (delta: -56.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-12-28 05:31:48,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.26 ms. Allocated memory is still 202.4 MB. Free memory was 157.2 MB in the beginning and 155.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 05:31:48,300 INFO L168 Benchmark]: Boogie Preprocessor took 26.45 ms. Allocated memory is still 202.4 MB. Free memory was 155.2 MB in the beginning and 153.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-28 05:31:48,301 INFO L168 Benchmark]: RCFGBuilder took 440.54 ms. Allocated memory is still 202.4 MB. Free memory was 153.7 MB in the beginning and 133.2 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-12-28 05:31:48,302 INFO L168 Benchmark]: TraceAbstraction took 2936.75 ms. Allocated memory was 202.4 MB in the beginning and 249.6 MB in the end (delta: 47.2 MB). Free memory was 132.5 MB in the beginning and 108.9 MB in the end (delta: 23.6 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2019-12-28 05:31:48,313 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 775.25 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.4 MB in the beginning and 157.2 MB in the end (delta: -56.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.26 ms. Allocated memory is still 202.4 MB. Free memory was 157.2 MB in the beginning and 155.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.45 ms. Allocated memory is still 202.4 MB. Free memory was 155.2 MB in the beginning and 153.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 440.54 ms. Allocated memory is still 202.4 MB. Free memory was 153.7 MB in the beginning and 133.2 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2936.75 ms. Allocated memory was 202.4 MB in the beginning and 249.6 MB in the end (delta: 47.2 MB). Free memory was 132.5 MB in the beginning and 108.9 MB in the end (delta: 23.6 MB). Peak memory consumption was 70.8 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, 55 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 327 SDtfs, 343 SDslu, 940 SDs, 0 SdLazy, 131 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1249occurred 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, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 18586 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...