12.04/5.75 NO 12.04/5.75 12.04/5.76 Ultimate: Cannot open display: 12.04/5.76 This is Ultimate 0.1.24-8dc7c08-m 12.04/5.76 [2019-03-29 01:39:44,528 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.04/5.76 [2019-03-29 01:39:44,530 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.04/5.76 [2019-03-29 01:39:44,541 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.04/5.76 [2019-03-29 01:39:44,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.04/5.76 [2019-03-29 01:39:44,543 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.04/5.76 [2019-03-29 01:39:44,544 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.04/5.76 [2019-03-29 01:39:44,545 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.04/5.76 [2019-03-29 01:39:44,547 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.04/5.76 [2019-03-29 01:39:44,548 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.04/5.76 [2019-03-29 01:39:44,549 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.04/5.76 [2019-03-29 01:39:44,549 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.04/5.76 [2019-03-29 01:39:44,550 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.04/5.76 [2019-03-29 01:39:44,551 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.04/5.76 [2019-03-29 01:39:44,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.04/5.76 [2019-03-29 01:39:44,552 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.04/5.76 [2019-03-29 01:39:44,553 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.04/5.76 [2019-03-29 01:39:44,555 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.04/5.76 [2019-03-29 01:39:44,557 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.04/5.76 [2019-03-29 01:39:44,558 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.04/5.76 [2019-03-29 01:39:44,560 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.04/5.76 [2019-03-29 01:39:44,561 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.04/5.76 [2019-03-29 01:39:44,563 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.04/5.76 [2019-03-29 01:39:44,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.04/5.76 [2019-03-29 01:39:44,563 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.04/5.76 [2019-03-29 01:39:44,564 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.04/5.76 [2019-03-29 01:39:44,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.04/5.76 [2019-03-29 01:39:44,565 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.04/5.76 [2019-03-29 01:39:44,565 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.04/5.76 [2019-03-29 01:39:44,566 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.04/5.76 [2019-03-29 01:39:44,567 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.04/5.76 [2019-03-29 01:39:44,568 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.04/5.76 [2019-03-29 01:39:44,568 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.04/5.76 [2019-03-29 01:39:44,569 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.04/5.76 [2019-03-29 01:39:44,569 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.04/5.76 [2019-03-29 01:39:44,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.04/5.76 [2019-03-29 01:39:44,570 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.04/5.76 [2019-03-29 01:39:44,571 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.04/5.76 [2019-03-29 01:39:44,571 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.04/5.76 [2019-03-29 01:39:44,571 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.04/5.76 [2019-03-29 01:39:44,586 INFO L110 SettingsManager]: Loading preferences was successful 12.04/5.76 [2019-03-29 01:39:44,586 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.04/5.76 [2019-03-29 01:39:44,587 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.04/5.76 [2019-03-29 01:39:44,587 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.04/5.76 [2019-03-29 01:39:44,588 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.04/5.76 [2019-03-29 01:39:44,588 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.04/5.76 [2019-03-29 01:39:44,588 INFO L133 SettingsManager]: * Use SBE=true 12.04/5.76 [2019-03-29 01:39:44,588 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.04/5.76 [2019-03-29 01:39:44,588 INFO L133 SettingsManager]: * Use old map elimination=false 12.04/5.76 [2019-03-29 01:39:44,588 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.04/5.76 [2019-03-29 01:39:44,589 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.04/5.76 [2019-03-29 01:39:44,589 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.04/5.76 [2019-03-29 01:39:44,589 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.04/5.76 [2019-03-29 01:39:44,589 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.04/5.76 [2019-03-29 01:39:44,589 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.04/5.76 [2019-03-29 01:39:44,589 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.04/5.76 [2019-03-29 01:39:44,590 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.04/5.76 [2019-03-29 01:39:44,590 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.04/5.76 [2019-03-29 01:39:44,590 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.04/5.76 [2019-03-29 01:39:44,590 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.04/5.76 [2019-03-29 01:39:44,590 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.04/5.76 [2019-03-29 01:39:44,591 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.04/5.76 [2019-03-29 01:39:44,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.04/5.76 [2019-03-29 01:39:44,591 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.04/5.76 [2019-03-29 01:39:44,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.04/5.76 [2019-03-29 01:39:44,591 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.04/5.76 [2019-03-29 01:39:44,591 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.04/5.76 [2019-03-29 01:39:44,592 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.04/5.76 [2019-03-29 01:39:44,592 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.04/5.76 [2019-03-29 01:39:44,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.04/5.76 [2019-03-29 01:39:44,631 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.04/5.76 [2019-03-29 01:39:44,638 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.04/5.76 [2019-03-29 01:39:44,640 INFO L271 PluginConnector]: Initializing CDTParser... 12.04/5.76 [2019-03-29 01:39:44,640 INFO L276 PluginConnector]: CDTParser initialized 12.04/5.76 [2019-03-29 01:39:44,641 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.04/5.76 [2019-03-29 01:39:44,714 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/eb7987a34a7848e18f4e60d287b9859a/FLAGf549943fa 12.04/5.76 [2019-03-29 01:39:45,052 INFO L307 CDTParser]: Found 1 translation units. 12.04/5.76 [2019-03-29 01:39:45,053 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.04/5.76 [2019-03-29 01:39:45,060 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/eb7987a34a7848e18f4e60d287b9859a/FLAGf549943fa 12.04/5.76 [2019-03-29 01:39:45,493 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/eb7987a34a7848e18f4e60d287b9859a 12.04/5.76 [2019-03-29 01:39:45,505 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.04/5.76 [2019-03-29 01:39:45,507 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.04/5.76 [2019-03-29 01:39:45,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.04/5.76 [2019-03-29 01:39:45,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.04/5.76 [2019-03-29 01:39:45,512 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.04/5.76 [2019-03-29 01:39:45,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:39:45" (1/1) ... 12.04/5.76 [2019-03-29 01:39:45,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4a0049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45, skipping insertion in model container 12.04/5.76 [2019-03-29 01:39:45,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:39:45" (1/1) ... 12.04/5.76 [2019-03-29 01:39:45,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.04/5.76 [2019-03-29 01:39:45,542 INFO L176 MainTranslator]: Built tables and reachable declarations 12.04/5.76 [2019-03-29 01:39:45,700 INFO L206 PostProcessor]: Analyzing one entry point: main 12.04/5.76 [2019-03-29 01:39:45,704 INFO L191 MainTranslator]: Completed pre-run 12.04/5.76 [2019-03-29 01:39:45,721 INFO L206 PostProcessor]: Analyzing one entry point: main 12.04/5.76 [2019-03-29 01:39:45,798 INFO L195 MainTranslator]: Completed translation 12.04/5.76 [2019-03-29 01:39:45,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45 WrapperNode 12.04/5.76 [2019-03-29 01:39:45,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.04/5.76 [2019-03-29 01:39:45,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.04/5.76 [2019-03-29 01:39:45,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.04/5.76 [2019-03-29 01:39:45,800 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.04/5.76 [2019-03-29 01:39:45,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45" (1/1) ... 12.04/5.76 [2019-03-29 01:39:45,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45" (1/1) ... 12.04/5.76 [2019-03-29 01:39:45,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.04/5.76 [2019-03-29 01:39:45,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.04/5.76 [2019-03-29 01:39:45,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.04/5.76 [2019-03-29 01:39:45,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.04/5.76 [2019-03-29 01:39:45,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45" (1/1) ... 12.04/5.76 [2019-03-29 01:39:45,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45" (1/1) ... 12.04/5.76 [2019-03-29 01:39:45,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45" (1/1) ... 12.04/5.76 [2019-03-29 01:39:45,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45" (1/1) ... 12.04/5.76 [2019-03-29 01:39:45,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45" (1/1) ... 12.04/5.76 [2019-03-29 01:39:45,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45" (1/1) ... 12.04/5.76 [2019-03-29 01:39:45,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45" (1/1) ... 12.04/5.76 [2019-03-29 01:39:45,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.04/5.76 [2019-03-29 01:39:45,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.04/5.76 [2019-03-29 01:39:45,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.04/5.76 [2019-03-29 01:39:45,858 INFO L276 PluginConnector]: RCFGBuilder initialized 12.04/5.76 [2019-03-29 01:39:45,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45" (1/1) ... 12.04/5.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.04/5.76 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.04/5.76 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.04/5.76 [2019-03-29 01:39:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.04/5.76 [2019-03-29 01:39:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.04/5.76 [2019-03-29 01:39:46,060 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.04/5.76 [2019-03-29 01:39:46,060 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.04/5.76 [2019-03-29 01:39:46,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:39:46 BoogieIcfgContainer 12.04/5.76 [2019-03-29 01:39:46,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.04/5.76 [2019-03-29 01:39:46,062 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.04/5.76 [2019-03-29 01:39:46,062 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.04/5.76 [2019-03-29 01:39:46,065 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.04/5.76 [2019-03-29 01:39:46,066 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:39:46" (1/1) ... 12.04/5.76 [2019-03-29 01:39:46,082 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 12.04/5.76 [2019-03-29 01:39:46,084 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.04/5.76 [2019-03-29 01:39:46,084 INFO L263 BlockEncoder]: Using Maximize final states 12.04/5.76 [2019-03-29 01:39:46,085 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.04/5.76 [2019-03-29 01:39:46,085 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.04/5.76 [2019-03-29 01:39:46,087 INFO L296 BlockEncoder]: Using Remove sink states 12.04/5.76 [2019-03-29 01:39:46,088 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.04/5.76 [2019-03-29 01:39:46,089 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.04/5.76 [2019-03-29 01:39:46,105 INFO L185 BlockEncoder]: Using Use SBE 12.04/5.76 [2019-03-29 01:39:46,113 INFO L200 BlockEncoder]: SBE split 0 edges 12.04/5.76 [2019-03-29 01:39:46,119 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.04/5.76 [2019-03-29 01:39:46,121 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.04/5.76 [2019-03-29 01:39:46,135 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 12.04/5.76 [2019-03-29 01:39:46,137 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 12.04/5.76 [2019-03-29 01:39:46,138 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.04/5.76 [2019-03-29 01:39:46,139 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.04/5.76 [2019-03-29 01:39:46,139 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.04/5.76 [2019-03-29 01:39:46,139 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.04/5.76 [2019-03-29 01:39:46,139 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 12.04/5.76 [2019-03-29 01:39:46,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:39:46 BasicIcfg 12.04/5.76 [2019-03-29 01:39:46,140 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.04/5.76 [2019-03-29 01:39:46,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.04/5.76 [2019-03-29 01:39:46,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.04/5.76 [2019-03-29 01:39:46,144 INFO L276 PluginConnector]: TraceAbstraction initialized 12.04/5.76 [2019-03-29 01:39:46,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:39:45" (1/4) ... 12.04/5.76 [2019-03-29 01:39:46,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee32b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:39:46, skipping insertion in model container 12.04/5.76 [2019-03-29 01:39:46,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45" (2/4) ... 12.04/5.76 [2019-03-29 01:39:46,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee32b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:39:46, skipping insertion in model container 12.04/5.76 [2019-03-29 01:39:46,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:39:46" (3/4) ... 12.04/5.76 [2019-03-29 01:39:46,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee32b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:39:46, skipping insertion in model container 12.04/5.76 [2019-03-29 01:39:46,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:39:46" (4/4) ... 12.04/5.76 [2019-03-29 01:39:46,149 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.04/5.76 [2019-03-29 01:39:46,160 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.04/5.76 [2019-03-29 01:39:46,167 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.04/5.76 [2019-03-29 01:39:46,185 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.04/5.76 [2019-03-29 01:39:46,214 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.04/5.76 [2019-03-29 01:39:46,215 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.04/5.76 [2019-03-29 01:39:46,215 INFO L383 AbstractCegarLoop]: Hoare is true 12.04/5.76 [2019-03-29 01:39:46,215 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.04/5.76 [2019-03-29 01:39:46,216 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.04/5.76 [2019-03-29 01:39:46,216 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.04/5.76 [2019-03-29 01:39:46,216 INFO L387 AbstractCegarLoop]: Difference is false 12.04/5.76 [2019-03-29 01:39:46,216 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.04/5.76 [2019-03-29 01:39:46,216 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.04/5.76 [2019-03-29 01:39:46,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 12.04/5.76 [2019-03-29 01:39:46,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.04/5.76 [2019-03-29 01:39:46,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 12.04/5.76 [2019-03-29 01:39:46,290 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.04/5.76 [2019-03-29 01:39:46,290 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 16) the Hoare annotation is: true 12.04/5.76 [2019-03-29 01:39:46,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:39:46 BasicIcfg 12.04/5.76 [2019-03-29 01:39:46,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.04/5.76 [2019-03-29 01:39:46,299 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.04/5.76 [2019-03-29 01:39:46,299 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.04/5.76 [2019-03-29 01:39:46,303 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.04/5.76 [2019-03-29 01:39:46,303 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.04/5.76 [2019-03-29 01:39:46,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:39:45" (1/5) ... 12.04/5.76 [2019-03-29 01:39:46,304 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@689d39e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:39:46, skipping insertion in model container 12.04/5.76 [2019-03-29 01:39:46,304 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.04/5.76 [2019-03-29 01:39:46,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:45" (2/5) ... 12.04/5.76 [2019-03-29 01:39:46,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@689d39e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:39:46, skipping insertion in model container 12.04/5.76 [2019-03-29 01:39:46,305 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.04/5.76 [2019-03-29 01:39:46,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:39:46" (3/5) ... 12.04/5.76 [2019-03-29 01:39:46,306 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@689d39e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:39:46, skipping insertion in model container 12.04/5.76 [2019-03-29 01:39:46,306 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.04/5.76 [2019-03-29 01:39:46,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:39:46" (4/5) ... 12.04/5.76 [2019-03-29 01:39:46,306 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@689d39e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:39:46, skipping insertion in model container 12.04/5.76 [2019-03-29 01:39:46,307 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.04/5.76 [2019-03-29 01:39:46,307 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:39:46" (5/5) ... 12.04/5.76 [2019-03-29 01:39:46,308 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.04/5.76 [2019-03-29 01:39:46,336 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.04/5.76 [2019-03-29 01:39:46,336 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.04/5.76 [2019-03-29 01:39:46,336 INFO L375 BuchiCegarLoop]: Hoare is true 12.04/5.76 [2019-03-29 01:39:46,336 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.04/5.76 [2019-03-29 01:39:46,336 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.04/5.76 [2019-03-29 01:39:46,337 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.04/5.76 [2019-03-29 01:39:46,337 INFO L379 BuchiCegarLoop]: Difference is false 12.04/5.76 [2019-03-29 01:39:46,337 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.04/5.76 [2019-03-29 01:39:46,337 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.04/5.76 [2019-03-29 01:39:46,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.04/5.76 [2019-03-29 01:39:46,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.04/5.76 [2019-03-29 01:39:46,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.04/5.76 [2019-03-29 01:39:46,358 INFO L119 BuchiIsEmpty]: Starting construction of run 12.04/5.76 [2019-03-29 01:39:46,363 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.04/5.76 [2019-03-29 01:39:46,363 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.04/5.76 [2019-03-29 01:39:46,363 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.04/5.76 [2019-03-29 01:39:46,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.04/5.76 [2019-03-29 01:39:46,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.04/5.76 [2019-03-29 01:39:46,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.04/5.76 [2019-03-29 01:39:46,364 INFO L119 BuchiIsEmpty]: Starting construction of run 12.04/5.76 [2019-03-29 01:39:46,364 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.04/5.76 [2019-03-29 01:39:46,364 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.04/5.76 [2019-03-29 01:39:46,370 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~b~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~a~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_1, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~a~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~r~0, ULTIMATE.start_main_~b~0] 3#L12-2true 12.04/5.76 [2019-03-29 01:39:46,370 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true [20] L12-2-->L12-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~a~0_7 (* (- 1) v_ULTIMATE.start_main_~r~0_4) (- 1)))) (and (= v_ULTIMATE.start_main_~b~0_7 .cse0) (= v_ULTIMATE.start_main_~a~0_6 .cse0) (= v_ULTIMATE.start_main_~r~0_4 |v_ULTIMATE.start_main_#t~nondet2_3|) (< 0 v_ULTIMATE.start_main_~b~0_8))) InVars {ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_7, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_6, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_4, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~a~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~r~0, ULTIMATE.start_main_~b~0] 3#L12-2true 12.04/5.76 [2019-03-29 01:39:46,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.04/5.76 [2019-03-29 01:39:46,377 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times 12.04/5.76 [2019-03-29 01:39:46,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.04/5.76 [2019-03-29 01:39:46,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.04/5.76 [2019-03-29 01:39:46,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.04/5.76 [2019-03-29 01:39:46,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.04/5.76 [2019-03-29 01:39:46,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.04/5.76 [2019-03-29 01:39:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.04/5.76 [2019-03-29 01:39:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.04/5.76 [2019-03-29 01:39:46,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.04/5.76 [2019-03-29 01:39:46,450 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times 12.04/5.76 [2019-03-29 01:39:46,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.04/5.76 [2019-03-29 01:39:46,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.04/5.76 [2019-03-29 01:39:46,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.04/5.76 [2019-03-29 01:39:46,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.04/5.76 [2019-03-29 01:39:46,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.04/5.76 [2019-03-29 01:39:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.04/5.76 [2019-03-29 01:39:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.04/5.76 [2019-03-29 01:39:46,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.04/5.76 [2019-03-29 01:39:46,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1632, now seen corresponding path program 1 times 12.04/5.76 [2019-03-29 01:39:46,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.04/5.76 [2019-03-29 01:39:46,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.04/5.76 [2019-03-29 01:39:46,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.04/5.76 [2019-03-29 01:39:46,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.04/5.76 [2019-03-29 01:39:46,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.04/5.76 [2019-03-29 01:39:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.04/5.76 [2019-03-29 01:39:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.04/5.76 [2019-03-29 01:39:46,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:39:46 BasicIcfg 12.04/5.76 [2019-03-29 01:39:46,569 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.04/5.76 [2019-03-29 01:39:46,570 INFO L168 Benchmark]: Toolchain (without parser) took 1063.90 ms. Allocated memory was 649.6 MB in the beginning and 684.7 MB in the end (delta: 35.1 MB). Free memory was 558.4 MB in the beginning and 598.5 MB in the end (delta: -40.1 MB). There was no memory consumed. Max. memory is 50.3 GB. 12.04/5.76 [2019-03-29 01:39:46,572 INFO L168 Benchmark]: CDTParser took 0.18 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. 12.04/5.76 [2019-03-29 01:39:46,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.60 ms. Allocated memory was 649.6 MB in the beginning and 684.7 MB in the end (delta: 35.1 MB). Free memory was 557.4 MB in the beginning and 652.5 MB in the end (delta: -95.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 50.3 GB. 12.04/5.76 [2019-03-29 01:39:46,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.81 ms. Allocated memory is still 684.7 MB. Free memory was 652.5 MB in the beginning and 651.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 12.04/5.76 [2019-03-29 01:39:46,574 INFO L168 Benchmark]: Boogie Preprocessor took 20.43 ms. Allocated memory is still 684.7 MB. Free memory was 651.4 MB in the beginning and 648.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 12.04/5.76 [2019-03-29 01:39:46,574 INFO L168 Benchmark]: RCFGBuilder took 203.51 ms. Allocated memory is still 684.7 MB. Free memory was 648.6 MB in the beginning and 636.3 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 50.3 GB. 12.04/5.76 [2019-03-29 01:39:46,575 INFO L168 Benchmark]: BlockEncodingV2 took 78.09 ms. Allocated memory is still 684.7 MB. Free memory was 635.2 MB in the beginning and 630.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 12.04/5.76 [2019-03-29 01:39:46,576 INFO L168 Benchmark]: TraceAbstraction took 157.66 ms. Allocated memory is still 684.7 MB. Free memory was 630.9 MB in the beginning and 622.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 12.04/5.76 [2019-03-29 01:39:46,577 INFO L168 Benchmark]: BuchiAutomizer took 269.81 ms. Allocated memory is still 684.7 MB. Free memory was 622.3 MB in the beginning and 598.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 50.3 GB. 12.04/5.76 [2019-03-29 01:39:46,582 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.04/5.76 --- Results --- 12.04/5.76 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.04/5.76 - StatisticsResult: Initial Icfg 12.04/5.76 6 locations, 7 edges 12.04/5.76 - StatisticsResult: Encoded RCFG 12.04/5.76 2 locations, 2 edges 12.04/5.76 * Results from de.uni_freiburg.informatik.ultimate.core: 12.04/5.76 - StatisticsResult: Toolchain Benchmarks 12.04/5.76 Benchmark results are: 12.04/5.76 * CDTParser took 0.18 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. 12.04/5.76 * CACSL2BoogieTranslator took 290.60 ms. Allocated memory was 649.6 MB in the beginning and 684.7 MB in the end (delta: 35.1 MB). Free memory was 557.4 MB in the beginning and 652.5 MB in the end (delta: -95.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 50.3 GB. 12.04/5.76 * Boogie Procedure Inliner took 37.81 ms. Allocated memory is still 684.7 MB. Free memory was 652.5 MB in the beginning and 651.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 12.04/5.76 * Boogie Preprocessor took 20.43 ms. Allocated memory is still 684.7 MB. Free memory was 651.4 MB in the beginning and 648.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 12.04/5.76 * RCFGBuilder took 203.51 ms. Allocated memory is still 684.7 MB. Free memory was 648.6 MB in the beginning and 636.3 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 50.3 GB. 12.04/5.76 * BlockEncodingV2 took 78.09 ms. Allocated memory is still 684.7 MB. Free memory was 635.2 MB in the beginning and 630.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 12.04/5.76 * TraceAbstraction took 157.66 ms. Allocated memory is still 684.7 MB. Free memory was 630.9 MB in the beginning and 622.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 12.04/5.76 * BuchiAutomizer took 269.81 ms. Allocated memory is still 684.7 MB. Free memory was 622.3 MB in the beginning and 598.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 50.3 GB. 12.04/5.76 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.04/5.76 - AllSpecificationsHoldResult: All specifications hold 12.04/5.76 We were not able to verify any specifiation because the program does not contain any specification. 12.04/5.76 - InvariantResult [Line: 12]: Loop Invariant 12.04/5.76 Derived loop invariant: 1 12.04/5.76 - StatisticsResult: Ultimate Automizer benchmark data 12.04/5.76 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 12.04/5.76 - StatisticsResult: Constructed decomposition of program 12.04/5.76 Trivial decomposition into one nonterminating module. 12.04/5.76 - StatisticsResult: Timing statistics 12.04/5.76 BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. 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 12.04/5.76 - TerminationAnalysisResult: Nontermination possible 12.04/5.76 Buchi Automizer proved that your program is nonterminating for some inputs 12.04/5.76 - FixpointNonTerminationResult [Line: 12]: Nontermination argument in form of an infinite program execution. 12.04/5.76 Nontermination argument in form of an infinite execution 12.04/5.76 State at position 0 is 12.04/5.76 {} 12.04/5.76 State at position 1 is 12.04/5.76 {a=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cbbcca8=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45208ee4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b96870=-1, r=-1, b=1} 12.04/5.76 - StatisticsResult: NonterminationArgumentStatistics 12.04/5.76 Fixpoint 12.04/5.76 - NonterminatingLassoResult [Line: 12]: Nonterminating execution 12.04/5.76 Found a nonterminating execution for the following lasso shaped sequence of statements. 12.04/5.76 Stem: 12.04/5.76 [L6] int a; 12.04/5.76 [L7] int b; 12.04/5.76 [L8] int r; 12.04/5.76 [L9] a = __VERIFIER_nondet_int() 12.04/5.76 [L10] b = __VERIFIER_nondet_int() 12.04/5.76 Loop: 12.04/5.76 [L12] COND TRUE b > 0 12.04/5.76 [L13] r = __VERIFIER_nondet_int() 12.04/5.76 [L14] b = a - 1 - r 12.04/5.76 [L15] a = a - 1 - r 12.04/5.76 End of lasso representation. 12.04/5.76 RESULT: Ultimate proved your program to be incorrect! 12.04/5.76 !SESSION 2019-03-29 01:39:42.148 ----------------------------------------------- 12.04/5.76 eclipse.buildId=unknown 12.04/5.76 java.version=1.8.0_181 12.04/5.76 java.vendor=Oracle Corporation 12.04/5.76 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.04/5.76 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.04/5.76 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 12.04/5.76 12.04/5.76 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:39:46.821 12.04/5.76 !MESSAGE The workspace will exit with unsaved changes in this session. 12.04/5.76 Received shutdown request... 12.04/5.76 Ultimate: 12.04/5.76 GTK+ Version Check 12.04/5.76 EOF