11.53/5.78 NO 11.53/5.78 11.53/5.78 Ultimate: Cannot open display: 11.53/5.78 This is Ultimate 0.1.24-8dc7c08-m 11.53/5.78 [2019-03-28 12:32:30,639 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.53/5.78 [2019-03-28 12:32:30,642 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.53/5.78 [2019-03-28 12:32:30,653 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.53/5.78 [2019-03-28 12:32:30,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.53/5.78 [2019-03-28 12:32:30,654 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.53/5.78 [2019-03-28 12:32:30,656 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.53/5.78 [2019-03-28 12:32:30,657 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.53/5.78 [2019-03-28 12:32:30,659 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.53/5.78 [2019-03-28 12:32:30,659 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.53/5.78 [2019-03-28 12:32:30,660 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.53/5.78 [2019-03-28 12:32:30,660 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.53/5.78 [2019-03-28 12:32:30,661 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.53/5.78 [2019-03-28 12:32:30,662 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.53/5.78 [2019-03-28 12:32:30,663 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.53/5.78 [2019-03-28 12:32:30,664 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.53/5.78 [2019-03-28 12:32:30,665 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.53/5.78 [2019-03-28 12:32:30,667 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.53/5.78 [2019-03-28 12:32:30,669 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.53/5.78 [2019-03-28 12:32:30,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.53/5.78 [2019-03-28 12:32:30,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.53/5.78 [2019-03-28 12:32:30,672 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.53/5.78 [2019-03-28 12:32:30,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.53/5.78 [2019-03-28 12:32:30,675 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.53/5.78 [2019-03-28 12:32:30,675 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.53/5.78 [2019-03-28 12:32:30,676 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.53/5.78 [2019-03-28 12:32:30,676 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.53/5.78 [2019-03-28 12:32:30,677 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.53/5.78 [2019-03-28 12:32:30,677 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.53/5.78 [2019-03-28 12:32:30,678 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.53/5.78 [2019-03-28 12:32:30,679 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.53/5.78 [2019-03-28 12:32:30,679 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.53/5.78 [2019-03-28 12:32:30,680 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.53/5.78 [2019-03-28 12:32:30,681 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.53/5.78 [2019-03-28 12:32:30,681 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.53/5.78 [2019-03-28 12:32:30,681 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.53/5.78 [2019-03-28 12:32:30,682 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.53/5.78 [2019-03-28 12:32:30,683 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.53/5.78 [2019-03-28 12:32:30,683 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.53/5.78 [2019-03-28 12:32:30,684 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.53/5.78 [2019-03-28 12:32:30,698 INFO L110 SettingsManager]: Loading preferences was successful 11.53/5.78 [2019-03-28 12:32:30,699 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.53/5.78 [2019-03-28 12:32:30,700 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.53/5.78 [2019-03-28 12:32:30,700 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.53/5.78 [2019-03-28 12:32:30,700 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.53/5.78 [2019-03-28 12:32:30,700 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.53/5.78 [2019-03-28 12:32:30,701 INFO L133 SettingsManager]: * Use SBE=true 11.53/5.78 [2019-03-28 12:32:30,701 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.53/5.78 [2019-03-28 12:32:30,701 INFO L133 SettingsManager]: * Use old map elimination=false 11.53/5.78 [2019-03-28 12:32:30,701 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.53/5.78 [2019-03-28 12:32:30,701 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.53/5.78 [2019-03-28 12:32:30,702 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.53/5.78 [2019-03-28 12:32:30,702 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.53/5.78 [2019-03-28 12:32:30,702 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.53/5.78 [2019-03-28 12:32:30,702 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.53/5.78 [2019-03-28 12:32:30,702 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.53/5.78 [2019-03-28 12:32:30,703 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.53/5.78 [2019-03-28 12:32:30,703 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.53/5.78 [2019-03-28 12:32:30,703 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.53/5.78 [2019-03-28 12:32:30,703 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.53/5.78 [2019-03-28 12:32:30,703 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.53/5.78 [2019-03-28 12:32:30,704 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.53/5.78 [2019-03-28 12:32:30,704 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.53/5.78 [2019-03-28 12:32:30,704 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.53/5.78 [2019-03-28 12:32:30,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.53/5.78 [2019-03-28 12:32:30,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.53/5.78 [2019-03-28 12:32:30,705 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.53/5.78 [2019-03-28 12:32:30,705 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.53/5.78 [2019-03-28 12:32:30,705 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.53/5.78 [2019-03-28 12:32:30,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.53/5.78 [2019-03-28 12:32:30,744 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.53/5.78 [2019-03-28 12:32:30,748 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.53/5.78 [2019-03-28 12:32:30,749 INFO L271 PluginConnector]: Initializing CDTParser... 11.53/5.78 [2019-03-28 12:32:30,749 INFO L276 PluginConnector]: CDTParser initialized 11.53/5.78 [2019-03-28 12:32:30,750 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.53/5.78 [2019-03-28 12:32:30,812 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/c27918c82b1b497dbe22d95af323c5a1/FLAGd3161d9fa 11.53/5.78 [2019-03-28 12:32:31,156 INFO L307 CDTParser]: Found 1 translation units. 11.53/5.78 [2019-03-28 12:32:31,157 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.53/5.78 [2019-03-28 12:32:31,163 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/c27918c82b1b497dbe22d95af323c5a1/FLAGd3161d9fa 11.53/5.78 [2019-03-28 12:32:31,573 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/c27918c82b1b497dbe22d95af323c5a1 11.53/5.78 [2019-03-28 12:32:31,585 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.53/5.78 [2019-03-28 12:32:31,587 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.53/5.78 [2019-03-28 12:32:31,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.53/5.78 [2019-03-28 12:32:31,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.53/5.78 [2019-03-28 12:32:31,592 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.53/5.78 [2019-03-28 12:32:31,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:32:31" (1/1) ... 11.53/5.78 [2019-03-28 12:32:31,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c18c8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31, skipping insertion in model container 11.53/5.78 [2019-03-28 12:32:31,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:32:31" (1/1) ... 11.53/5.78 [2019-03-28 12:32:31,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.53/5.78 [2019-03-28 12:32:31,621 INFO L176 MainTranslator]: Built tables and reachable declarations 11.53/5.78 [2019-03-28 12:32:31,776 INFO L206 PostProcessor]: Analyzing one entry point: main 11.53/5.78 [2019-03-28 12:32:31,782 INFO L191 MainTranslator]: Completed pre-run 11.53/5.78 [2019-03-28 12:32:31,798 INFO L206 PostProcessor]: Analyzing one entry point: main 11.53/5.78 [2019-03-28 12:32:31,813 INFO L195 MainTranslator]: Completed translation 11.53/5.78 [2019-03-28 12:32:31,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31 WrapperNode 11.53/5.78 [2019-03-28 12:32:31,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.53/5.78 [2019-03-28 12:32:31,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.53/5.78 [2019-03-28 12:32:31,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.53/5.78 [2019-03-28 12:32:31,815 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.53/5.78 [2019-03-28 12:32:31,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.53/5.78 [2019-03-28 12:32:31,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.53/5.78 [2019-03-28 12:32:31,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.53/5.78 [2019-03-28 12:32:31,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.53/5.78 [2019-03-28 12:32:31,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.53/5.78 [2019-03-28 12:32:31,908 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.53/5.78 [2019-03-28 12:32:31,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.53/5.78 [2019-03-28 12:32:31,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.53/5.78 [2019-03-28 12:32:31,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.53/5.78 [2019-03-28 12:32:31,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.53/5.78 [2019-03-28 12:32:31,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.53/5.78 [2019-03-28 12:32:31,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.53/5.78 [2019-03-28 12:32:31,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.53/5.78 [2019-03-28 12:32:31,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.53/5.78 [2019-03-28 12:32:31,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.53/5.78 [2019-03-28 12:32:31,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.53/5.78 [2019-03-28 12:32:31,928 INFO L276 PluginConnector]: RCFGBuilder initialized 11.53/5.78 [2019-03-28 12:32:31,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.53/5.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.53/5.78 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.53/5.78 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.53/5.78 [2019-03-28 12:32:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.53/5.78 [2019-03-28 12:32:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.53/5.78 [2019-03-28 12:32:32,090 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.53/5.78 [2019-03-28 12:32:32,091 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.53/5.78 [2019-03-28 12:32:32,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:32 BoogieIcfgContainer 11.53/5.78 [2019-03-28 12:32:32,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.53/5.78 [2019-03-28 12:32:32,093 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.53/5.78 [2019-03-28 12:32:32,093 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.53/5.78 [2019-03-28 12:32:32,095 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.53/5.78 [2019-03-28 12:32:32,096 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:32" (1/1) ... 11.53/5.78 [2019-03-28 12:32:32,109 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 11.53/5.78 [2019-03-28 12:32:32,111 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.53/5.78 [2019-03-28 12:32:32,111 INFO L263 BlockEncoder]: Using Maximize final states 11.53/5.78 [2019-03-28 12:32:32,112 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.53/5.78 [2019-03-28 12:32:32,112 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.53/5.78 [2019-03-28 12:32:32,114 INFO L296 BlockEncoder]: Using Remove sink states 11.53/5.78 [2019-03-28 12:32:32,115 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.53/5.78 [2019-03-28 12:32:32,115 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.53/5.78 [2019-03-28 12:32:32,127 INFO L185 BlockEncoder]: Using Use SBE 11.53/5.78 [2019-03-28 12:32:32,132 INFO L200 BlockEncoder]: SBE split 0 edges 11.53/5.78 [2019-03-28 12:32:32,137 INFO L70 emoveInfeasibleEdges]: Removed 5 edges and 4 locations because of local infeasibility 11.53/5.78 [2019-03-28 12:32:32,139 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.53/5.78 [2019-03-28 12:32:32,141 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.53/5.78 [2019-03-28 12:32:32,143 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.53/5.78 [2019-03-28 12:32:32,144 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.53/5.78 [2019-03-28 12:32:32,144 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.53/5.78 [2019-03-28 12:32:32,145 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.53/5.78 [2019-03-28 12:32:32,145 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.53/5.78 [2019-03-28 12:32:32,145 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 11.53/5.78 [2019-03-28 12:32:32,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:32 BasicIcfg 11.53/5.78 [2019-03-28 12:32:32,146 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.53/5.78 [2019-03-28 12:32:32,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.53/5.78 [2019-03-28 12:32:32,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.53/5.78 [2019-03-28 12:32:32,151 INFO L276 PluginConnector]: TraceAbstraction initialized 11.53/5.78 [2019-03-28 12:32:32,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:32:31" (1/4) ... 11.53/5.78 [2019-03-28 12:32:32,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c292f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:32:32, skipping insertion in model container 11.53/5.78 [2019-03-28 12:32:32,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (2/4) ... 11.53/5.78 [2019-03-28 12:32:32,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c292f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:32:32, skipping insertion in model container 11.53/5.78 [2019-03-28 12:32:32,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:32" (3/4) ... 11.53/5.78 [2019-03-28 12:32:32,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c292f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:32, skipping insertion in model container 11.53/5.78 [2019-03-28 12:32:32,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:32" (4/4) ... 11.53/5.78 [2019-03-28 12:32:32,155 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.53/5.78 [2019-03-28 12:32:32,166 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.53/5.78 [2019-03-28 12:32:32,174 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.53/5.78 [2019-03-28 12:32:32,191 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.53/5.78 [2019-03-28 12:32:32,220 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.53/5.78 [2019-03-28 12:32:32,221 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.53/5.78 [2019-03-28 12:32:32,222 INFO L383 AbstractCegarLoop]: Hoare is true 11.53/5.78 [2019-03-28 12:32:32,222 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.53/5.78 [2019-03-28 12:32:32,222 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.53/5.78 [2019-03-28 12:32:32,222 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.53/5.78 [2019-03-28 12:32:32,223 INFO L387 AbstractCegarLoop]: Difference is false 11.53/5.78 [2019-03-28 12:32:32,223 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.53/5.78 [2019-03-28 12:32:32,223 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.53/5.78 [2019-03-28 12:32:32,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 11.53/5.78 [2019-03-28 12:32:32,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.53/5.78 [2019-03-28 12:32:32,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 11.53/5.78 [2019-03-28 12:32:32,301 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.53/5.78 [2019-03-28 12:32:32,302 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 12) the Hoare annotation is: true 11.53/5.78 [2019-03-28 12:32:32,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:32 BasicIcfg 11.53/5.78 [2019-03-28 12:32:32,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.53/5.78 [2019-03-28 12:32:32,310 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.53/5.78 [2019-03-28 12:32:32,311 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.53/5.78 [2019-03-28 12:32:32,314 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.53/5.78 [2019-03-28 12:32:32,315 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.53/5.78 [2019-03-28 12:32:32,315 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:32:31" (1/5) ... 11.53/5.78 [2019-03-28 12:32:32,316 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30cfc63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:32:32, skipping insertion in model container 11.53/5.78 [2019-03-28 12:32:32,316 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.53/5.78 [2019-03-28 12:32:32,316 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (2/5) ... 11.53/5.78 [2019-03-28 12:32:32,316 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30cfc63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:32:32, skipping insertion in model container 11.53/5.78 [2019-03-28 12:32:32,317 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.53/5.78 [2019-03-28 12:32:32,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:32" (3/5) ... 11.53/5.78 [2019-03-28 12:32:32,317 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30cfc63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:32, skipping insertion in model container 11.53/5.78 [2019-03-28 12:32:32,317 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.53/5.78 [2019-03-28 12:32:32,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:32" (4/5) ... 11.53/5.78 [2019-03-28 12:32:32,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30cfc63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:32, skipping insertion in model container 11.53/5.78 [2019-03-28 12:32:32,318 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.53/5.78 [2019-03-28 12:32:32,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:32" (5/5) ... 11.53/5.78 [2019-03-28 12:32:32,320 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.53/5.78 [2019-03-28 12:32:32,349 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.53/5.78 [2019-03-28 12:32:32,349 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.53/5.78 [2019-03-28 12:32:32,349 INFO L375 BuchiCegarLoop]: Hoare is true 11.53/5.78 [2019-03-28 12:32:32,350 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.53/5.78 [2019-03-28 12:32:32,350 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.53/5.78 [2019-03-28 12:32:32,350 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.53/5.78 [2019-03-28 12:32:32,350 INFO L379 BuchiCegarLoop]: Difference is false 11.53/5.78 [2019-03-28 12:32:32,350 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.53/5.78 [2019-03-28 12:32:32,350 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.53/5.78 [2019-03-28 12:32:32,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.53/5.78 [2019-03-28 12:32:32,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.53/5.78 [2019-03-28 12:32:32,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.53/5.78 [2019-03-28 12:32:32,371 INFO L119 BuchiIsEmpty]: Starting construction of run 11.53/5.78 [2019-03-28 12:32:32,376 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.53/5.78 [2019-03-28 12:32:32,376 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.53/5.78 [2019-03-28 12:32:32,376 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.53/5.78 [2019-03-28 12:32:32,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.53/5.78 [2019-03-28 12:32:32,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.53/5.78 [2019-03-28 12:32:32,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.53/5.78 [2019-03-28 12:32:32,377 INFO L119 BuchiIsEmpty]: Starting construction of run 11.53/5.78 [2019-03-28 12:32:32,378 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.53/5.78 [2019-03-28 12:32:32,378 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.53/5.78 [2019-03-28 12:32:32,383 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~x~0_1 7) InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 4#L10-2true 11.53/5.78 [2019-03-28 12:32:32,383 INFO L796 eck$LassoCheckResult]: Loop: 4#L10-2true [23] L10-2-->L10-2: Formula: (= v_ULTIMATE.start_main_~x~0_4 2) InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L10-2true 11.53/5.78 [2019-03-28 12:32:32,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.53/5.78 [2019-03-28 12:32:32,390 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 11.53/5.78 [2019-03-28 12:32:32,392 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.53/5.78 [2019-03-28 12:32:32,392 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.53/5.78 [2019-03-28 12:32:32,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.53/5.78 [2019-03-28 12:32:32,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.53/5.78 [2019-03-28 12:32:32,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.53/5.78 [2019-03-28 12:32:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.53/5.78 [2019-03-28 12:32:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.53/5.78 [2019-03-28 12:32:32,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.53/5.78 [2019-03-28 12:32:32,464 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times 11.53/5.78 [2019-03-28 12:32:32,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.53/5.78 [2019-03-28 12:32:32,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.53/5.78 [2019-03-28 12:32:32,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.53/5.78 [2019-03-28 12:32:32,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.53/5.78 [2019-03-28 12:32:32,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.53/5.78 [2019-03-28 12:32:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.53/5.78 [2019-03-28 12:32:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.53/5.78 [2019-03-28 12:32:32,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.53/5.78 [2019-03-28 12:32:32,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1542, now seen corresponding path program 1 times 11.53/5.78 [2019-03-28 12:32:32,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.53/5.78 [2019-03-28 12:32:32,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.53/5.78 [2019-03-28 12:32:32,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.53/5.78 [2019-03-28 12:32:32,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.53/5.78 [2019-03-28 12:32:32,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.53/5.78 [2019-03-28 12:32:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.53/5.78 [2019-03-28 12:32:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.53/5.78 [2019-03-28 12:32:32,512 INFO L216 LassoAnalysis]: Preferences: 11.53/5.78 [2019-03-28 12:32:32,513 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 11.53/5.78 [2019-03-28 12:32:32,513 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 11.53/5.78 [2019-03-28 12:32:32,514 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 11.53/5.78 [2019-03-28 12:32:32,514 INFO L127 ssoRankerPreferences]: Use exernal solver: true 11.53/5.78 [2019-03-28 12:32:32,514 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.53/5.78 [2019-03-28 12:32:32,514 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 11.53/5.78 [2019-03-28 12:32:32,514 INFO L130 ssoRankerPreferences]: Path of dumped script: 11.53/5.78 [2019-03-28 12:32:32,515 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 11.53/5.78 [2019-03-28 12:32:32,515 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 11.53/5.78 [2019-03-28 12:32:32,515 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 11.53/5.78 [2019-03-28 12:32:32,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.53/5.78 [2019-03-28 12:32:32,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.53/5.78 [2019-03-28 12:32:32,610 INFO L300 LassoAnalysis]: Preprocessing complete. 11.53/5.78 [2019-03-28 12:32:32,611 INFO L412 LassoAnalysis]: Checking for nontermination... 11.53/5.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.53/5.78 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 11.53/5.78 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.53/5.78 [2019-03-28 12:32:32,617 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 11.53/5.78 [2019-03-28 12:32:32,617 INFO L163 nArgumentSynthesizer]: Using integer mode. 11.53/5.78 [2019-03-28 12:32:32,625 INFO L445 LassoAnalysis]: Proved nontermination for one component. 11.53/5.78 [2019-03-28 12:32:32,626 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 11.53/5.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.53/5.78 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 11.53/5.78 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.53/5.78 [2019-03-28 12:32:32,655 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 11.53/5.78 [2019-03-28 12:32:32,655 INFO L163 nArgumentSynthesizer]: Using integer mode. 11.53/5.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.53/5.78 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 11.53/5.78 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.53/5.78 [2019-03-28 12:32:32,691 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 11.53/5.78 [2019-03-28 12:32:32,691 INFO L163 nArgumentSynthesizer]: Using integer mode. 11.53/5.78 [2019-03-28 12:32:32,709 INFO L445 LassoAnalysis]: Proved nontermination for one component. 11.53/5.78 [2019-03-28 12:32:32,710 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=-8}, {ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=2}] Lambdas: [0, 0, 0] Nus: [0, 0] 11.53/5.78 [2019-03-28 12:32:32,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:32 BasicIcfg 11.53/5.78 [2019-03-28 12:32:32,754 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.53/5.78 [2019-03-28 12:32:32,755 INFO L168 Benchmark]: Toolchain (without parser) took 1169.41 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 560.3 MB in the beginning and 575.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 50.3 GB. 11.53/5.78 [2019-03-28 12:32:32,757 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.53/5.78 [2019-03-28 12:32:32,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.36 ms. Allocated memory is still 649.6 MB. Free memory was 559.2 MB in the beginning and 550.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 11.53/5.78 [2019-03-28 12:32:32,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.12 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 550.4 MB in the beginning and 637.0 MB in the end (delta: -86.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 11.53/5.78 [2019-03-28 12:32:32,759 INFO L168 Benchmark]: Boogie Preprocessor took 19.62 ms. Allocated memory is still 669.0 MB. Free memory was 637.0 MB in the beginning and 633.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 11.53/5.78 [2019-03-28 12:32:32,760 INFO L168 Benchmark]: RCFGBuilder took 164.63 ms. Allocated memory is still 669.0 MB. Free memory was 633.1 MB in the beginning and 621.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 50.3 GB. 11.53/5.78 [2019-03-28 12:32:32,761 INFO L168 Benchmark]: BlockEncodingV2 took 53.59 ms. Allocated memory is still 669.0 MB. Free memory was 621.8 MB in the beginning and 618.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 50.3 GB. 11.53/5.78 [2019-03-28 12:32:32,761 INFO L168 Benchmark]: TraceAbstraction took 162.41 ms. Allocated memory is still 669.0 MB. Free memory was 617.5 MB in the beginning and 607.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 11.53/5.78 [2019-03-28 12:32:32,762 INFO L168 Benchmark]: BuchiAutomizer took 443.99 ms. Allocated memory is still 669.0 MB. Free memory was 607.6 MB in the beginning and 575.0 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 50.3 GB. 11.53/5.78 [2019-03-28 12:32:32,767 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.53/5.78 --- Results --- 11.53/5.78 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.53/5.78 - StatisticsResult: Initial Icfg 11.53/5.78 6 locations, 7 edges 11.53/5.78 - StatisticsResult: Encoded RCFG 11.53/5.78 2 locations, 2 edges 11.53/5.78 * Results from de.uni_freiburg.informatik.ultimate.core: 11.53/5.78 - StatisticsResult: Toolchain Benchmarks 11.53/5.78 Benchmark results are: 11.53/5.78 * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.53/5.78 * CACSL2BoogieTranslator took 226.36 ms. Allocated memory is still 649.6 MB. Free memory was 559.2 MB in the beginning and 550.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 11.53/5.78 * Boogie Procedure Inliner took 93.12 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 550.4 MB in the beginning and 637.0 MB in the end (delta: -86.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 11.53/5.78 * Boogie Preprocessor took 19.62 ms. Allocated memory is still 669.0 MB. Free memory was 637.0 MB in the beginning and 633.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 11.53/5.78 * RCFGBuilder took 164.63 ms. Allocated memory is still 669.0 MB. Free memory was 633.1 MB in the beginning and 621.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 50.3 GB. 11.53/5.78 * BlockEncodingV2 took 53.59 ms. Allocated memory is still 669.0 MB. Free memory was 621.8 MB in the beginning and 618.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 50.3 GB. 11.53/5.78 * TraceAbstraction took 162.41 ms. Allocated memory is still 669.0 MB. Free memory was 617.5 MB in the beginning and 607.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 11.53/5.78 * BuchiAutomizer took 443.99 ms. Allocated memory is still 669.0 MB. Free memory was 607.6 MB in the beginning and 575.0 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 50.3 GB. 11.53/5.78 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.53/5.78 - AllSpecificationsHoldResult: All specifications hold 11.53/5.78 We were not able to verify any specifiation because the program does not contain any specification. 11.53/5.78 - InvariantResult [Line: 10]: Loop Invariant 11.53/5.78 Derived loop invariant: 1 11.53/5.78 - StatisticsResult: Ultimate Automizer benchmark data 11.53/5.78 CFG has 1 procedures, 2 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=2occurred 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 11.53/5.78 - StatisticsResult: Constructed decomposition of program 11.53/5.78 Trivial decomposition into one nonterminating module. 11.53/5.78 - StatisticsResult: Timing statistics 11.53/5.78 BüchiAutomizer plugin needed 0.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. 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: Lassos: inital6 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq233 hnf100 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 11.53/5.78 - TerminationAnalysisResult: Nontermination possible 11.53/5.78 Buchi Automizer proved that your program is nonterminating for some inputs 11.53/5.78 - GeometricNonTerminationArgumentResult [Line: 10]: Nontermination argument in form of an infinite program execution. 11.53/5.78 Nontermination argument in form of an infinite execution 11.53/5.78 {ULTIMATE.start_main_~x~0=0, |ULTIMATE.start_main_#res|=0} 11.53/5.78 {\result=0, x=7} 11.53/5.78 {\result=0, x=2} 11.53/5.78 {\result=0, x=2} 11.53/5.78 {\result=0, x=2} 11.53/5.78 {\result=0, x=2} 11.53/5.78 - StatisticsResult: NonterminationArgumentStatistics 11.53/5.78 Fixpoint 3GEVs Lambdas: [0, 0, 0] Mus: [0, 0] 11.53/5.78 - NonterminatingLassoResult [Line: 10]: Nonterminating execution 11.53/5.78 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.53/5.78 Stem: 11.53/5.78 [L9] int x = 7; 11.53/5.78 Loop: 11.53/5.78 [L10] COND TRUE 1 11.53/5.78 [L11] x = 2 11.53/5.78 End of lasso representation. 11.53/5.78 RESULT: Ultimate proved your program to be incorrect! 11.53/5.78 !SESSION 2019-03-28 12:32:28.238 ----------------------------------------------- 11.53/5.78 eclipse.buildId=unknown 11.53/5.78 java.version=1.8.0_181 11.53/5.78 java.vendor=Oracle Corporation 11.53/5.78 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.53/5.78 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.53/5.78 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 11.53/5.78 11.53/5.78 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:32:33.003 11.53/5.78 !MESSAGE The workspace will exit with unsaved changes in this session. 11.53/5.78 Received shutdown request... 11.53/5.78 Ultimate: 11.53/5.78 GTK+ Version Check 11.53/5.78 EOF