/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/safe020_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 04:54:14,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 04:54:14,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 04:54:14,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 04:54:14,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 04:54:14,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 04:54:14,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 04:54:14,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 04:54:14,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 04:54:14,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 04:54:14,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 04:54:14,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 04:54:14,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 04:54:14,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 04:54:14,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 04:54:14,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 04:54:14,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 04:54:14,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 04:54:14,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 04:54:14,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 04:54:14,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 04:54:14,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 04:54:14,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 04:54:14,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 04:54:14,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 04:54:14,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 04:54:14,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 04:54:14,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 04:54:14,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 04:54:14,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 04:54:14,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 04:54:14,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 04:54:14,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 04:54:14,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 04:54:14,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 04:54:14,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 04:54:14,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 04:54:14,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 04:54:14,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 04:54:14,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 04:54:14,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 04:54:14,886 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 04:54:14,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 04:54:14,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 04:54:14,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 04:54:14,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 04:54:14,903 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 04:54:14,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 04:54:14,903 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 04:54:14,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 04:54:14,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 04:54:14,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 04:54:14,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 04:54:14,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 04:54:14,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 04:54:14,905 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 04:54:14,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 04:54:14,906 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 04:54:14,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 04:54:14,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 04:54:14,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 04:54:14,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 04:54:14,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 04:54:14,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:54:14,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 04:54:14,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 04:54:14,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 04:54:14,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 04:54:14,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 04:54:14,908 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 04:54:14,909 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 04:54:14,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 04:54:14,909 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 04:54:14,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 04:54:15,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 04:54:15,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 04:54:15,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 04:54:15,201 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 04:54:15,201 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 04:54:15,202 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.opt.i [2019-12-28 04:54:15,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998f395f4/834cf324a6ea45a699dfa78a8015501c/FLAGd03b6f174 [2019-12-28 04:54:15,846 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 04:54:15,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.opt.i [2019-12-28 04:54:15,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998f395f4/834cf324a6ea45a699dfa78a8015501c/FLAGd03b6f174 [2019-12-28 04:54:16,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998f395f4/834cf324a6ea45a699dfa78a8015501c [2019-12-28 04:54:16,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 04:54:16,143 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 04:54:16,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 04:54:16,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 04:54:16,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 04:54:16,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:54:16" (1/1) ... [2019-12-28 04:54:16,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db0f02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16, skipping insertion in model container [2019-12-28 04:54:16,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:54:16" (1/1) ... [2019-12-28 04:54:16,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 04:54:16,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 04:54:16,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:54:16,708 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 04:54:16,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:54:16,833 INFO L208 MainTranslator]: Completed translation [2019-12-28 04:54:16,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16 WrapperNode [2019-12-28 04:54:16,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 04:54:16,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 04:54:16,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 04:54:16,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 04:54:16,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16" (1/1) ... [2019-12-28 04:54:16,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16" (1/1) ... [2019-12-28 04:54:16,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 04:54:16,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 04:54:16,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 04:54:16,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 04:54:16,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16" (1/1) ... [2019-12-28 04:54:16,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16" (1/1) ... [2019-12-28 04:54:16,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16" (1/1) ... [2019-12-28 04:54:16,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16" (1/1) ... [2019-12-28 04:54:16,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16" (1/1) ... [2019-12-28 04:54:16,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16" (1/1) ... [2019-12-28 04:54:16,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16" (1/1) ... [2019-12-28 04:54:16,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 04:54:16,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 04:54:16,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 04:54:16,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 04:54:16,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16" (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 04:54:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 04:54:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 04:54:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 04:54:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 04:54:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 04:54:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 04:54:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 04:54:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 04:54:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 04:54:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 04:54:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 04:54:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 04:54:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 04:54:16,977 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 04:54:17,331 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 04:54:17,332 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 04:54:17,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:54:17 BoogieIcfgContainer [2019-12-28 04:54:17,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 04:54:17,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 04:54:17,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 04:54:17,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 04:54:17,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:54:16" (1/3) ... [2019-12-28 04:54:17,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1241fc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:54:17, skipping insertion in model container [2019-12-28 04:54:17,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:16" (2/3) ... [2019-12-28 04:54:17,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1241fc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:54:17, skipping insertion in model container [2019-12-28 04:54:17,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:54:17" (3/3) ... [2019-12-28 04:54:17,342 INFO L109 eAbstractionObserver]: Analyzing ICFG safe020_pso.opt.i [2019-12-28 04:54:17,352 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 04:54:17,352 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 04:54:17,359 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 04:54:17,361 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 04:54:17,390 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,390 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,390 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,391 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,391 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,392 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,392 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,392 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,393 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,393 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,393 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,394 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,394 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,394 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,394 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,395 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,395 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,395 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,400 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,400 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,400 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,401 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,406 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,407 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,407 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,407 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,410 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,411 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,411 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,411 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:54:17,427 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 04:54:17,447 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 04:54:17,447 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 04:54:17,447 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 04:54:17,447 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 04:54:17,448 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 04:54:17,448 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 04:54:17,448 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 04:54:17,448 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 04:54:17,460 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 53 transitions [2019-12-28 04:54:17,537 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-12-28 04:54:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-12-28 04:54:17,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-28 04:54:17,555 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:54:17,556 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 04:54:17,557 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:54:17,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:54:17,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1589731149, now seen corresponding path program 1 times [2019-12-28 04:54:17,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:54:17,575 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054241075] [2019-12-28 04:54:17,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:54:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:54:17,964 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 04:54:17,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054241075] [2019-12-28 04:54:17,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:54:17,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 04:54:17,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1575620357] [2019-12-28 04:54:17,969 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:54:17,978 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:54:18,006 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 31 states and 30 transitions. [2019-12-28 04:54:18,006 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:54:18,012 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:54:18,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 04:54:18,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:54:18,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 04:54:18,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 04:54:18,031 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-12-28 04:54:18,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:54:18,158 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-12-28 04:54:18,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 04:54:18,160 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-12-28 04:54:18,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:54:18,183 INFO L225 Difference]: With dead ends: 1294 [2019-12-28 04:54:18,183 INFO L226 Difference]: Without dead ends: 600 [2019-12-28 04:54:18,184 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 04:54:18,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-12-28 04:54:18,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-12-28 04:54:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-12-28 04:54:18,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-12-28 04:54:18,283 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-12-28 04:54:18,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:54:18,284 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-12-28 04:54:18,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 04:54:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-12-28 04:54:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 04:54:18,288 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:54:18,288 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 04:54:18,288 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:54:18,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:54:18,289 INFO L82 PathProgramCache]: Analyzing trace with hash 227019057, now seen corresponding path program 1 times [2019-12-28 04:54:18,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:54:18,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810111226] [2019-12-28 04:54:18,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:54:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:54:18,461 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 04:54:18,462 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810111226] [2019-12-28 04:54:18,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:54:18,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 04:54:18,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [57943822] [2019-12-28 04:54:18,463 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:54:18,468 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:54:18,473 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 47 transitions. [2019-12-28 04:54:18,473 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:54:18,540 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 04:54:18,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 04:54:18,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:54:18,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 04:54:18,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 04:54:18,543 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 6 states. [2019-12-28 04:54:18,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:54:18,637 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-12-28 04:54:18,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:54:18,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-12-28 04:54:18,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:54:18,643 INFO L225 Difference]: With dead ends: 600 [2019-12-28 04:54:18,643 INFO L226 Difference]: Without dead ends: 537 [2019-12-28 04:54:18,644 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:54:18,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-12-28 04:54:18,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-12-28 04:54:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-12-28 04:54:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-12-28 04:54:18,686 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-12-28 04:54:18,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:54:18,687 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-12-28 04:54:18,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 04:54:18,687 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-12-28 04:54:18,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 04:54:18,689 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:54:18,689 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 04:54:18,690 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:54:18,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:54:18,690 INFO L82 PathProgramCache]: Analyzing trace with hash -524737327, now seen corresponding path program 1 times [2019-12-28 04:54:18,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:54:18,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423209525] [2019-12-28 04:54:18,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:54:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:54:18,849 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 04:54:18,850 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423209525] [2019-12-28 04:54:18,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:54:18,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:54:18,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1386329732] [2019-12-28 04:54:18,851 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:54:18,855 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:54:18,860 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 41 states and 48 transitions. [2019-12-28 04:54:18,861 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:54:18,902 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 04:54:18,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 04:54:18,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:54:18,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 04:54:18,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:54:18,903 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 7 states. [2019-12-28 04:54:19,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:54:19,005 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-12-28 04:54:19,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:54:19,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-12-28 04:54:19,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:54:19,008 INFO L225 Difference]: With dead ends: 402 [2019-12-28 04:54:19,009 INFO L226 Difference]: Without dead ends: 348 [2019-12-28 04:54:19,009 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-12-28 04:54:19,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-12-28 04:54:19,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-12-28 04:54:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-12-28 04:54:19,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-12-28 04:54:19,028 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-12-28 04:54:19,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:54:19,029 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-12-28 04:54:19,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 04:54:19,029 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-12-28 04:54:19,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:54:19,033 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:54:19,033 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 04:54:19,033 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:54:19,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:54:19,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1007154836, now seen corresponding path program 1 times [2019-12-28 04:54:19,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:54:19,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033487710] [2019-12-28 04:54:19,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:54:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:54:19,229 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 04:54:19,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033487710] [2019-12-28 04:54:19,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:54:19,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:54:19,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1554408081] [2019-12-28 04:54:19,232 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:54:19,237 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:54:19,247 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 42 states and 49 transitions. [2019-12-28 04:54:19,247 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:54:19,248 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:54:19,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 04:54:19,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:54:19,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 04:54:19,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:54:19,251 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 7 states. [2019-12-28 04:54:19,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:54:19,447 INFO L93 Difference]: Finished difference Result 519 states and 1394 transitions. [2019-12-28 04:54:19,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:54:19,448 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-28 04:54:19,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:54:19,450 INFO L225 Difference]: With dead ends: 519 [2019-12-28 04:54:19,451 INFO L226 Difference]: Without dead ends: 276 [2019-12-28 04:54:19,452 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-28 04:54:19,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-12-28 04:54:19,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2019-12-28 04:54:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-12-28 04:54:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 725 transitions. [2019-12-28 04:54:19,468 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 725 transitions. Word has length 33 [2019-12-28 04:54:19,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:54:19,469 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 725 transitions. [2019-12-28 04:54:19,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 04:54:19,469 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 725 transitions. [2019-12-28 04:54:19,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:54:19,471 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:54:19,472 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 04:54:19,472 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:54:19,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:54:19,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1391348590, now seen corresponding path program 2 times [2019-12-28 04:54:19,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:54:19,473 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538517730] [2019-12-28 04:54:19,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:54:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:54:19,655 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 04:54:19,656 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538517730] [2019-12-28 04:54:19,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:54:19,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:54:19,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1325731373] [2019-12-28 04:54:19,657 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:54:19,661 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:54:19,668 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 34 states and 33 transitions. [2019-12-28 04:54:19,672 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:54:19,672 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:54:19,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 04:54:19,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:54:19,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 04:54:19,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:54:19,676 INFO L87 Difference]: Start difference. First operand 276 states and 725 transitions. Second operand 7 states. [2019-12-28 04:54:19,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:54:19,787 INFO L93 Difference]: Finished difference Result 447 states and 1205 transitions. [2019-12-28 04:54:19,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:54:19,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-28 04:54:19,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:54:19,791 INFO L225 Difference]: With dead ends: 447 [2019-12-28 04:54:19,791 INFO L226 Difference]: Without dead ends: 264 [2019-12-28 04:54:19,792 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-28 04:54:19,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-12-28 04:54:19,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2019-12-28 04:54:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-12-28 04:54:19,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 695 transitions. [2019-12-28 04:54:19,801 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 695 transitions. Word has length 33 [2019-12-28 04:54:19,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:54:19,802 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 695 transitions. [2019-12-28 04:54:19,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 04:54:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 695 transitions. [2019-12-28 04:54:19,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:54:19,803 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:54:19,803 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 04:54:19,804 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:54:19,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:54:19,804 INFO L82 PathProgramCache]: Analyzing trace with hash 304903326, now seen corresponding path program 3 times [2019-12-28 04:54:19,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:54:19,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696073195] [2019-12-28 04:54:19,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:54:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:54:19,921 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 04:54:19,922 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696073195] [2019-12-28 04:54:19,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:54:19,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:54:19,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1094361356] [2019-12-28 04:54:19,923 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:54:19,926 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:54:19,933 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 41 transitions. [2019-12-28 04:54:19,934 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:54:19,959 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 04:54:19,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:54:19,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:54:19,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:54:19,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:54:19,960 INFO L87 Difference]: Start difference. First operand 264 states and 695 transitions. Second operand 8 states. [2019-12-28 04:54:20,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:54:20,064 INFO L93 Difference]: Finished difference Result 210 states and 533 transitions. [2019-12-28 04:54:20,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:54:20,064 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-12-28 04:54:20,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:54:20,064 INFO L225 Difference]: With dead ends: 210 [2019-12-28 04:54:20,064 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 04:54:20,065 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 04:54:20,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 04:54:20,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 04:54:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 04:54:20,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 04:54:20,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-12-28 04:54:20,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:54:20,066 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 04:54:20,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:54:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 04:54:20,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 04:54:20,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 04:54:20 BasicIcfg [2019-12-28 04:54:20,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 04:54:20,076 INFO L168 Benchmark]: Toolchain (without parser) took 3931.02 ms. Allocated memory was 143.7 MB in the beginning and 249.0 MB in the end (delta: 105.4 MB). Free memory was 102.1 MB in the beginning and 126.5 MB in the end (delta: -24.4 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2019-12-28 04:54:20,077 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 143.7 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-28 04:54:20,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.31 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 101.8 MB in the beginning and 160.6 MB in the end (delta: -58.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-12-28 04:54:20,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.96 ms. Allocated memory is still 203.4 MB. Free memory was 160.6 MB in the beginning and 158.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:54:20,085 INFO L168 Benchmark]: Boogie Preprocessor took 25.14 ms. Allocated memory is still 203.4 MB. Free memory was 158.5 MB in the beginning and 156.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-28 04:54:20,086 INFO L168 Benchmark]: RCFGBuilder took 425.58 ms. Allocated memory is still 203.4 MB. Free memory was 156.6 MB in the beginning and 136.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-12-28 04:54:20,087 INFO L168 Benchmark]: TraceAbstraction took 2738.04 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 136.2 MB in the beginning and 126.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 55.3 MB. Max. memory is 7.1 GB. [2019-12-28 04:54:20,100 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 143.7 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.31 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 101.8 MB in the beginning and 160.6 MB in the end (delta: -58.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.96 ms. Allocated memory is still 203.4 MB. Free memory was 160.6 MB in the beginning and 158.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.14 ms. Allocated memory is still 203.4 MB. Free memory was 158.5 MB in the beginning and 156.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 425.58 ms. Allocated memory is still 203.4 MB. Free memory was 156.6 MB in the beginning and 136.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2738.04 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 136.2 MB in the beginning and 126.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 55.3 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: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 279 SDtfs, 398 SDslu, 780 SDs, 0 SdLazy, 141 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s 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, 17178 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...