11.62/5.68 NO 11.62/5.68 11.62/5.68 Ultimate: Cannot open display: 11.62/5.68 This is Ultimate 0.1.24-8dc7c08-m 11.62/5.68 [2019-03-28 11:57:14,689 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.62/5.68 [2019-03-28 11:57:14,691 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.62/5.68 [2019-03-28 11:57:14,702 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.62/5.68 [2019-03-28 11:57:14,702 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.62/5.68 [2019-03-28 11:57:14,703 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.62/5.68 [2019-03-28 11:57:14,704 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.62/5.68 [2019-03-28 11:57:14,706 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.62/5.68 [2019-03-28 11:57:14,707 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.62/5.68 [2019-03-28 11:57:14,709 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.62/5.68 [2019-03-28 11:57:14,710 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.62/5.68 [2019-03-28 11:57:14,710 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.62/5.68 [2019-03-28 11:57:14,711 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.62/5.68 [2019-03-28 11:57:14,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.62/5.68 [2019-03-28 11:57:14,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.62/5.68 [2019-03-28 11:57:14,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.62/5.68 [2019-03-28 11:57:14,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.62/5.68 [2019-03-28 11:57:14,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.62/5.68 [2019-03-28 11:57:14,718 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.62/5.68 [2019-03-28 11:57:14,719 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.62/5.68 [2019-03-28 11:57:14,720 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.62/5.68 [2019-03-28 11:57:14,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.62/5.68 [2019-03-28 11:57:14,723 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.62/5.68 [2019-03-28 11:57:14,723 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.62/5.68 [2019-03-28 11:57:14,724 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.62/5.68 [2019-03-28 11:57:14,724 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.62/5.68 [2019-03-28 11:57:14,725 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.62/5.68 [2019-03-28 11:57:14,726 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.62/5.68 [2019-03-28 11:57:14,726 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.62/5.68 [2019-03-28 11:57:14,727 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.62/5.68 [2019-03-28 11:57:14,727 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.62/5.68 [2019-03-28 11:57:14,728 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.62/5.68 [2019-03-28 11:57:14,729 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.62/5.68 [2019-03-28 11:57:14,729 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.62/5.68 [2019-03-28 11:57:14,730 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.62/5.68 [2019-03-28 11:57:14,730 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.62/5.68 [2019-03-28 11:57:14,730 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.62/5.68 [2019-03-28 11:57:14,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.62/5.68 [2019-03-28 11:57:14,732 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.62/5.68 [2019-03-28 11:57:14,732 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.62/5.68 [2019-03-28 11:57:14,747 INFO L110 SettingsManager]: Loading preferences was successful 11.62/5.68 [2019-03-28 11:57:14,747 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.62/5.68 [2019-03-28 11:57:14,748 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.62/5.68 [2019-03-28 11:57:14,749 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.62/5.68 [2019-03-28 11:57:14,749 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.62/5.68 [2019-03-28 11:57:14,749 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.62/5.68 [2019-03-28 11:57:14,749 INFO L133 SettingsManager]: * Use SBE=true 11.62/5.68 [2019-03-28 11:57:14,749 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.62/5.68 [2019-03-28 11:57:14,750 INFO L133 SettingsManager]: * Use old map elimination=false 11.62/5.68 [2019-03-28 11:57:14,750 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.62/5.68 [2019-03-28 11:57:14,750 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.62/5.68 [2019-03-28 11:57:14,750 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.62/5.68 [2019-03-28 11:57:14,750 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.62/5.68 [2019-03-28 11:57:14,750 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.62/5.68 [2019-03-28 11:57:14,750 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.62/5.68 [2019-03-28 11:57:14,751 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.62/5.68 [2019-03-28 11:57:14,751 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.62/5.68 [2019-03-28 11:57:14,751 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.62/5.68 [2019-03-28 11:57:14,751 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.62/5.68 [2019-03-28 11:57:14,751 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.62/5.68 [2019-03-28 11:57:14,752 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.62/5.68 [2019-03-28 11:57:14,752 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.62/5.68 [2019-03-28 11:57:14,752 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.62/5.68 [2019-03-28 11:57:14,752 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.62/5.68 [2019-03-28 11:57:14,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.62/5.68 [2019-03-28 11:57:14,752 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.62/5.68 [2019-03-28 11:57:14,753 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.62/5.68 [2019-03-28 11:57:14,753 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.62/5.68 [2019-03-28 11:57:14,753 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.62/5.68 [2019-03-28 11:57:14,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.62/5.68 [2019-03-28 11:57:14,791 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.62/5.68 [2019-03-28 11:57:14,795 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.62/5.68 [2019-03-28 11:57:14,796 INFO L271 PluginConnector]: Initializing CDTParser... 11.62/5.68 [2019-03-28 11:57:14,796 INFO L276 PluginConnector]: CDTParser initialized 11.62/5.68 [2019-03-28 11:57:14,797 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.62/5.68 [2019-03-28 11:57:14,859 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/6e6cd129343544bcb2b0e93f53942dc0/FLAGc473b007c 11.62/5.68 [2019-03-28 11:57:15,204 INFO L307 CDTParser]: Found 1 translation units. 11.62/5.68 [2019-03-28 11:57:15,205 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.62/5.68 [2019-03-28 11:57:15,212 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/6e6cd129343544bcb2b0e93f53942dc0/FLAGc473b007c 11.62/5.68 [2019-03-28 11:57:15,602 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/6e6cd129343544bcb2b0e93f53942dc0 11.62/5.68 [2019-03-28 11:57:15,614 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.62/5.68 [2019-03-28 11:57:15,616 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.62/5.68 [2019-03-28 11:57:15,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.62/5.68 [2019-03-28 11:57:15,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.62/5.68 [2019-03-28 11:57:15,621 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.62/5.68 [2019-03-28 11:57:15,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:57:15" (1/1) ... 11.62/5.68 [2019-03-28 11:57:15,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@caa1dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15, skipping insertion in model container 11.62/5.68 [2019-03-28 11:57:15,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:57:15" (1/1) ... 11.62/5.68 [2019-03-28 11:57:15,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.62/5.68 [2019-03-28 11:57:15,653 INFO L176 MainTranslator]: Built tables and reachable declarations 11.62/5.68 [2019-03-28 11:57:15,813 INFO L206 PostProcessor]: Analyzing one entry point: main 11.62/5.68 [2019-03-28 11:57:15,817 INFO L191 MainTranslator]: Completed pre-run 11.62/5.68 [2019-03-28 11:57:15,834 INFO L206 PostProcessor]: Analyzing one entry point: main 11.62/5.68 [2019-03-28 11:57:15,907 INFO L195 MainTranslator]: Completed translation 11.62/5.68 [2019-03-28 11:57:15,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15 WrapperNode 11.62/5.68 [2019-03-28 11:57:15,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.62/5.68 [2019-03-28 11:57:15,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.62/5.68 [2019-03-28 11:57:15,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.62/5.68 [2019-03-28 11:57:15,909 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.62/5.68 [2019-03-28 11:57:15,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15" (1/1) ... 11.62/5.68 [2019-03-28 11:57:15,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15" (1/1) ... 11.62/5.68 [2019-03-28 11:57:15,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.62/5.68 [2019-03-28 11:57:15,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.62/5.68 [2019-03-28 11:57:15,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.62/5.68 [2019-03-28 11:57:15,944 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.62/5.68 [2019-03-28 11:57:15,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15" (1/1) ... 11.62/5.68 [2019-03-28 11:57:15,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15" (1/1) ... 11.62/5.68 [2019-03-28 11:57:15,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15" (1/1) ... 11.62/5.68 [2019-03-28 11:57:15,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15" (1/1) ... 11.62/5.68 [2019-03-28 11:57:15,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15" (1/1) ... 11.62/5.68 [2019-03-28 11:57:15,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15" (1/1) ... 11.62/5.68 [2019-03-28 11:57:15,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15" (1/1) ... 11.62/5.68 [2019-03-28 11:57:15,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.62/5.68 [2019-03-28 11:57:15,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.62/5.68 [2019-03-28 11:57:15,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.62/5.68 [2019-03-28 11:57:15,964 INFO L276 PluginConnector]: RCFGBuilder initialized 11.62/5.68 [2019-03-28 11:57:15,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15" (1/1) ... 11.62/5.68 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.62/5.68 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.62/5.68 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.62/5.68 [2019-03-28 11:57:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.62/5.68 [2019-03-28 11:57:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.62/5.68 [2019-03-28 11:57:16,163 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.62/5.68 [2019-03-28 11:57:16,163 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 11.62/5.68 [2019-03-28 11:57:16,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:57:16 BoogieIcfgContainer 11.62/5.68 [2019-03-28 11:57:16,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.62/5.68 [2019-03-28 11:57:16,165 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.62/5.68 [2019-03-28 11:57:16,165 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.62/5.68 [2019-03-28 11:57:16,167 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.62/5.68 [2019-03-28 11:57:16,168 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:57:16" (1/1) ... 11.62/5.68 [2019-03-28 11:57:16,182 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 13 edges 11.62/5.68 [2019-03-28 11:57:16,184 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.62/5.68 [2019-03-28 11:57:16,185 INFO L263 BlockEncoder]: Using Maximize final states 11.62/5.68 [2019-03-28 11:57:16,185 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.62/5.68 [2019-03-28 11:57:16,186 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.62/5.68 [2019-03-28 11:57:16,187 INFO L296 BlockEncoder]: Using Remove sink states 11.62/5.68 [2019-03-28 11:57:16,188 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.62/5.68 [2019-03-28 11:57:16,189 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.62/5.68 [2019-03-28 11:57:16,204 INFO L185 BlockEncoder]: Using Use SBE 11.62/5.68 [2019-03-28 11:57:16,219 INFO L200 BlockEncoder]: SBE split 2 edges 11.62/5.68 [2019-03-28 11:57:16,223 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.62/5.68 [2019-03-28 11:57:16,225 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.62/5.68 [2019-03-28 11:57:16,237 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 11.62/5.68 [2019-03-28 11:57:16,239 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 11.62/5.68 [2019-03-28 11:57:16,240 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.62/5.68 [2019-03-28 11:57:16,240 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.62/5.68 [2019-03-28 11:57:16,244 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 11.62/5.68 [2019-03-28 11:57:16,244 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.62/5.68 [2019-03-28 11:57:16,244 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.62/5.68 [2019-03-28 11:57:16,245 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.62/5.68 [2019-03-28 11:57:16,245 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.62/5.68 [2019-03-28 11:57:16,245 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.62/5.68 [2019-03-28 11:57:16,245 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 11.62/5.68 [2019-03-28 11:57:16,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:57:16 BasicIcfg 11.62/5.68 [2019-03-28 11:57:16,246 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.62/5.68 [2019-03-28 11:57:16,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.62/5.68 [2019-03-28 11:57:16,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.62/5.68 [2019-03-28 11:57:16,250 INFO L276 PluginConnector]: TraceAbstraction initialized 11.62/5.68 [2019-03-28 11:57:16,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:57:15" (1/4) ... 11.62/5.68 [2019-03-28 11:57:16,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208ab8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:57:16, skipping insertion in model container 11.62/5.68 [2019-03-28 11:57:16,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15" (2/4) ... 11.62/5.68 [2019-03-28 11:57:16,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208ab8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:57:16, skipping insertion in model container 11.62/5.68 [2019-03-28 11:57:16,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:57:16" (3/4) ... 11.62/5.68 [2019-03-28 11:57:16,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208ab8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:57:16, skipping insertion in model container 11.62/5.68 [2019-03-28 11:57:16,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:57:16" (4/4) ... 11.62/5.68 [2019-03-28 11:57:16,254 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.62/5.68 [2019-03-28 11:57:16,264 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.62/5.68 [2019-03-28 11:57:16,272 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.62/5.68 [2019-03-28 11:57:16,290 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.62/5.68 [2019-03-28 11:57:16,318 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.62/5.68 [2019-03-28 11:57:16,319 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.62/5.68 [2019-03-28 11:57:16,319 INFO L383 AbstractCegarLoop]: Hoare is true 11.62/5.68 [2019-03-28 11:57:16,319 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.62/5.68 [2019-03-28 11:57:16,319 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.62/5.68 [2019-03-28 11:57:16,320 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.62/5.68 [2019-03-28 11:57:16,320 INFO L387 AbstractCegarLoop]: Difference is false 11.62/5.68 [2019-03-28 11:57:16,320 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.62/5.68 [2019-03-28 11:57:16,320 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.62/5.68 [2019-03-28 11:57:16,334 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 11.62/5.68 [2019-03-28 11:57:16,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.62/5.68 [2019-03-28 11:57:16,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 11.62/5.68 [2019-03-28 11:57:16,392 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 21) no Hoare annotation was computed. 11.62/5.68 [2019-03-28 11:57:16,392 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 16 22) the Hoare annotation is: true 11.62/5.68 [2019-03-28 11:57:16,392 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.62/5.68 [2019-03-28 11:57:16,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:57:16 BasicIcfg 11.62/5.68 [2019-03-28 11:57:16,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.62/5.68 [2019-03-28 11:57:16,401 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.62/5.68 [2019-03-28 11:57:16,401 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.62/5.68 [2019-03-28 11:57:16,405 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.62/5.68 [2019-03-28 11:57:16,406 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.62/5.68 [2019-03-28 11:57:16,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:57:15" (1/5) ... 11.62/5.68 [2019-03-28 11:57:16,406 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21157cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:57:16, skipping insertion in model container 11.62/5.68 [2019-03-28 11:57:16,407 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.62/5.68 [2019-03-28 11:57:16,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:15" (2/5) ... 11.62/5.68 [2019-03-28 11:57:16,407 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21157cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:57:16, skipping insertion in model container 11.62/5.68 [2019-03-28 11:57:16,407 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.62/5.68 [2019-03-28 11:57:16,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:57:16" (3/5) ... 11.62/5.68 [2019-03-28 11:57:16,408 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21157cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:57:16, skipping insertion in model container 11.62/5.68 [2019-03-28 11:57:16,408 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.62/5.68 [2019-03-28 11:57:16,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:57:16" (4/5) ... 11.62/5.68 [2019-03-28 11:57:16,409 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21157cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:57:16, skipping insertion in model container 11.62/5.68 [2019-03-28 11:57:16,409 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.62/5.68 [2019-03-28 11:57:16,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:57:16" (5/5) ... 11.62/5.68 [2019-03-28 11:57:16,410 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.62/5.68 [2019-03-28 11:57:16,437 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.62/5.68 [2019-03-28 11:57:16,438 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.62/5.68 [2019-03-28 11:57:16,438 INFO L375 BuchiCegarLoop]: Hoare is true 11.62/5.68 [2019-03-28 11:57:16,438 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.62/5.68 [2019-03-28 11:57:16,439 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.62/5.68 [2019-03-28 11:57:16,439 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.62/5.68 [2019-03-28 11:57:16,439 INFO L379 BuchiCegarLoop]: Difference is false 11.62/5.68 [2019-03-28 11:57:16,439 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.62/5.68 [2019-03-28 11:57:16,439 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.62/5.68 [2019-03-28 11:57:16,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.62/5.68 [2019-03-28 11:57:16,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 11.62/5.68 [2019-03-28 11:57:16,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.62/5.68 [2019-03-28 11:57:16,460 INFO L119 BuchiIsEmpty]: Starting construction of run 11.62/5.68 [2019-03-28 11:57:16,465 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.62/5.68 [2019-03-28 11:57:16,466 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 11.62/5.68 [2019-03-28 11:57:16,466 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.62/5.68 [2019-03-28 11:57:16,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.62/5.68 [2019-03-28 11:57:16,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 11.62/5.68 [2019-03-28 11:57:16,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.62/5.68 [2019-03-28 11:57:16,467 INFO L119 BuchiIsEmpty]: Starting construction of run 11.62/5.68 [2019-03-28 11:57:16,467 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.62/5.68 [2019-03-28 11:57:16,467 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 11.62/5.68 [2019-03-28 11:57:16,472 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [57] ULTIMATE.startENTRY-->L17-2: Formula: (and (= |v_ULTIMATE.start_gcd_#in~y1_2| v_ULTIMATE.start_main_~y1~0_6) (= |v_ULTIMATE.start_gcd_#in~y2_2| v_ULTIMATE.start_gcd_~y2_10) (<= 0 v_ULTIMATE.start_main_~y1~0_6) (<= 0 v_ULTIMATE.start_main_~y2~0_6) (= |v_ULTIMATE.start_gcd_#in~y2_2| v_ULTIMATE.start_main_~y2~0_6) (= |v_ULTIMATE.start_gcd_#in~y1_2| v_ULTIMATE.start_gcd_~y1_11)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_5|, ULTIMATE.start_gcd_~y2=v_ULTIMATE.start_gcd_~y2_10, ULTIMATE.start_gcd_~y1=v_ULTIMATE.start_gcd_~y1_11, ULTIMATE.start_gcd_#in~y2=|v_ULTIMATE.start_gcd_#in~y2_2|, ULTIMATE.start_gcd_#in~y1=|v_ULTIMATE.start_gcd_#in~y1_2|, ULTIMATE.start_gcd_#res=|v_ULTIMATE.start_gcd_#res_6|, ULTIMATE.start_main_~y1~0=v_ULTIMATE.start_main_~y1~0_6, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y2~0=v_ULTIMATE.start_main_~y2~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_gcd_~y2, ULTIMATE.start_gcd_~y1, ULTIMATE.start_gcd_#in~y2, ULTIMATE.start_gcd_#in~y1, ULTIMATE.start_gcd_#res, ULTIMATE.start_main_~y1~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y2~0] 3#L17-2true 11.62/5.68 [2019-03-28 11:57:16,473 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [51] L17-2-->L17: Formula: (> v_ULTIMATE.start_gcd_~y2_4 v_ULTIMATE.start_gcd_~y1_4) InVars {ULTIMATE.start_gcd_~y2=v_ULTIMATE.start_gcd_~y2_4, ULTIMATE.start_gcd_~y1=v_ULTIMATE.start_gcd_~y1_4} OutVars{ULTIMATE.start_gcd_~y2=v_ULTIMATE.start_gcd_~y2_4, ULTIMATE.start_gcd_~y1=v_ULTIMATE.start_gcd_~y1_4} AuxVars[] AssignedVars[] 5#L17true [48] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_gcd_~y2_6 (+ (* (- 1) v_ULTIMATE.start_gcd_~y1_7) v_ULTIMATE.start_gcd_~y2_7)) (>= v_ULTIMATE.start_gcd_~y2_7 v_ULTIMATE.start_gcd_~y1_7)) InVars {ULTIMATE.start_gcd_~y2=v_ULTIMATE.start_gcd_~y2_7, ULTIMATE.start_gcd_~y1=v_ULTIMATE.start_gcd_~y1_7} OutVars{ULTIMATE.start_gcd_~y2=v_ULTIMATE.start_gcd_~y2_6, ULTIMATE.start_gcd_~y1=v_ULTIMATE.start_gcd_~y1_7} AuxVars[] AssignedVars[ULTIMATE.start_gcd_~y2] 3#L17-2true 11.62/5.68 [2019-03-28 11:57:16,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.62/5.68 [2019-03-28 11:57:16,479 INFO L82 PathProgramCache]: Analyzing trace with hash 88, now seen corresponding path program 1 times 11.62/5.68 [2019-03-28 11:57:16,481 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.62/5.68 [2019-03-28 11:57:16,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.62/5.68 [2019-03-28 11:57:16,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.62/5.68 [2019-03-28 11:57:16,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.62/5.68 [2019-03-28 11:57:16,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.62/5.68 [2019-03-28 11:57:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.62/5.68 [2019-03-28 11:57:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.62/5.68 [2019-03-28 11:57:16,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.62/5.68 [2019-03-28 11:57:16,558 INFO L82 PathProgramCache]: Analyzing trace with hash 2590, now seen corresponding path program 1 times 11.62/5.68 [2019-03-28 11:57:16,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.62/5.68 [2019-03-28 11:57:16,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.62/5.68 [2019-03-28 11:57:16,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.62/5.68 [2019-03-28 11:57:16,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.62/5.68 [2019-03-28 11:57:16,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.62/5.68 [2019-03-28 11:57:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.62/5.68 [2019-03-28 11:57:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.62/5.68 [2019-03-28 11:57:16,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.62/5.68 [2019-03-28 11:57:16,571 INFO L82 PathProgramCache]: Analyzing trace with hash 86197, now seen corresponding path program 1 times 11.62/5.68 [2019-03-28 11:57:16,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.62/5.68 [2019-03-28 11:57:16,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.62/5.68 [2019-03-28 11:57:16,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.62/5.68 [2019-03-28 11:57:16,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.62/5.68 [2019-03-28 11:57:16,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.62/5.68 [2019-03-28 11:57:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.62/5.68 [2019-03-28 11:57:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.62/5.68 [2019-03-28 11:57:16,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:57:16 BasicIcfg 11.62/5.68 [2019-03-28 11:57:16,702 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.62/5.68 [2019-03-28 11:57:16,703 INFO L168 Benchmark]: Toolchain (without parser) took 1088.18 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 557.1 MB in the beginning and 583.4 MB in the end (delta: -26.4 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.62/5.68 [2019-03-28 11:57:16,705 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.62/5.68 [2019-03-28 11:57:16,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.18 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 557.1 MB in the beginning and 643.1 MB in the end (delta: -86.0 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 11.62/5.68 [2019-03-28 11:57:16,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.10 ms. Allocated memory is still 675.3 MB. Free memory was 643.1 MB in the beginning and 642.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.62/5.68 [2019-03-28 11:57:16,707 INFO L168 Benchmark]: Boogie Preprocessor took 19.52 ms. Allocated memory is still 675.3 MB. Free memory was 642.0 MB in the beginning and 639.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 11.62/5.68 [2019-03-28 11:57:16,707 INFO L168 Benchmark]: RCFGBuilder took 200.92 ms. Allocated memory is still 675.3 MB. Free memory was 638.1 MB in the beginning and 624.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 50.3 GB. 11.62/5.68 [2019-03-28 11:57:16,708 INFO L168 Benchmark]: BlockEncodingV2 took 81.10 ms. Allocated memory is still 675.3 MB. Free memory was 624.7 MB in the beginning and 618.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 11.62/5.68 [2019-03-28 11:57:16,709 INFO L168 Benchmark]: TraceAbstraction took 153.90 ms. Allocated memory is still 675.3 MB. Free memory was 618.0 MB in the beginning and 609.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 11.62/5.68 [2019-03-28 11:57:16,709 INFO L168 Benchmark]: BuchiAutomizer took 301.31 ms. Allocated memory is still 675.3 MB. Free memory was 608.3 MB in the beginning and 583.4 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 50.3 GB. 11.62/5.68 [2019-03-28 11:57:16,715 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.62/5.68 --- Results --- 11.62/5.68 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.62/5.68 - StatisticsResult: Initial Icfg 11.62/5.68 10 locations, 13 edges 11.62/5.68 - StatisticsResult: Encoded RCFG 11.62/5.68 3 locations, 5 edges 11.62/5.68 * Results from de.uni_freiburg.informatik.ultimate.core: 11.62/5.68 - StatisticsResult: Toolchain Benchmarks 11.62/5.68 Benchmark results are: 11.62/5.68 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.62/5.68 * CACSL2BoogieTranslator took 291.18 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 557.1 MB in the beginning and 643.1 MB in the end (delta: -86.0 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 11.62/5.68 * Boogie Procedure Inliner took 35.10 ms. Allocated memory is still 675.3 MB. Free memory was 643.1 MB in the beginning and 642.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.62/5.68 * Boogie Preprocessor took 19.52 ms. Allocated memory is still 675.3 MB. Free memory was 642.0 MB in the beginning and 639.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 11.62/5.68 * RCFGBuilder took 200.92 ms. Allocated memory is still 675.3 MB. Free memory was 638.1 MB in the beginning and 624.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 50.3 GB. 11.62/5.68 * BlockEncodingV2 took 81.10 ms. Allocated memory is still 675.3 MB. Free memory was 624.7 MB in the beginning and 618.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 11.62/5.68 * TraceAbstraction took 153.90 ms. Allocated memory is still 675.3 MB. Free memory was 618.0 MB in the beginning and 609.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 11.62/5.68 * BuchiAutomizer took 301.31 ms. Allocated memory is still 675.3 MB. Free memory was 608.3 MB in the beginning and 583.4 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 50.3 GB. 11.62/5.68 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.62/5.68 - AllSpecificationsHoldResult: All specifications hold 11.62/5.68 We were not able to verify any specifiation because the program does not contain any specification. 11.62/5.68 - InvariantResult [Line: 16]: Loop Invariant 11.62/5.68 Derived loop invariant: 1 11.62/5.68 - StatisticsResult: Ultimate Automizer benchmark data 11.62/5.68 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 11.62/5.68 - StatisticsResult: Constructed decomposition of program 11.62/5.68 Trivial decomposition into one nonterminating module. 11.62/5.68 - StatisticsResult: Timing statistics 11.62/5.68 BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 11.62/5.68 - TerminationAnalysisResult: Nontermination possible 11.62/5.68 Buchi Automizer proved that your program is nonterminating for some inputs 11.62/5.68 - FixpointNonTerminationResult [Line: 16]: Nontermination argument in form of an infinite program execution. 11.62/5.68 Nontermination argument in form of an infinite execution 11.62/5.68 State at position 0 is 11.62/5.68 {} 11.62/5.68 State at position 1 is 11.62/5.68 {y2=1, y1=0, \old(y1)=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6202c376=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@558537f7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@696afcb3=0, \old(y2)=1, y2=1, \result=0, y1=0} 11.62/5.68 - StatisticsResult: NonterminationArgumentStatistics 11.62/5.68 Fixpoint 11.62/5.68 - NonterminatingLassoResult [Line: 16]: Nonterminating execution 11.62/5.68 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.62/5.68 Stem: 11.62/5.68 [L27] int y1 = __VERIFIER_nondet_int(); 11.62/5.68 [L28] int y2 = __VERIFIER_nondet_int(); 11.62/5.68 [L29] COND TRUE y1 >= 0 && y2 >= 0 11.62/5.68 Loop: 11.62/5.68 [L16] COND TRUE y1 != y2 11.62/5.68 [L17] COND FALSE !(y1 > y2) 11.62/5.68 [L20] y2 = y2 - y1 11.62/5.68 End of lasso representation. 11.62/5.68 RESULT: Ultimate proved your program to be incorrect! 11.62/5.68 !SESSION 2019-03-28 11:57:12.370 ----------------------------------------------- 11.62/5.68 eclipse.buildId=unknown 11.62/5.68 java.version=1.8.0_181 11.62/5.68 java.vendor=Oracle Corporation 11.62/5.68 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.62/5.68 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.62/5.68 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.62/5.68 11.62/5.68 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:57:16.954 11.62/5.68 !MESSAGE The workspace will exit with unsaved changes in this session. 11.62/5.68 Received shutdown request... 11.62/5.68 Ultimate: 11.62/5.68 GTK+ Version Check 11.62/5.68 EOF