11.86/5.86 NO 11.86/5.86 11.86/5.86 Ultimate: Cannot open display: 11.86/5.86 This is Ultimate 0.1.24-8dc7c08-m 11.86/5.86 [2019-03-28 12:32:00,482 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.86/5.86 [2019-03-28 12:32:00,484 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.86/5.86 [2019-03-28 12:32:00,495 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.86/5.86 [2019-03-28 12:32:00,495 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.86/5.86 [2019-03-28 12:32:00,496 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.86/5.86 [2019-03-28 12:32:00,498 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.86/5.86 [2019-03-28 12:32:00,499 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.86/5.86 [2019-03-28 12:32:00,501 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.86/5.86 [2019-03-28 12:32:00,502 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.86/5.86 [2019-03-28 12:32:00,502 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.86/5.86 [2019-03-28 12:32:00,503 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.86/5.86 [2019-03-28 12:32:00,504 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.86/5.86 [2019-03-28 12:32:00,504 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.86/5.86 [2019-03-28 12:32:00,506 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.86/5.86 [2019-03-28 12:32:00,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.86/5.86 [2019-03-28 12:32:00,507 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.86/5.86 [2019-03-28 12:32:00,509 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.86/5.86 [2019-03-28 12:32:00,511 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.86/5.86 [2019-03-28 12:32:00,512 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.86/5.86 [2019-03-28 12:32:00,513 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.86/5.86 [2019-03-28 12:32:00,514 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.86/5.86 [2019-03-28 12:32:00,517 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.86/5.86 [2019-03-28 12:32:00,517 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.86/5.86 [2019-03-28 12:32:00,517 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.86/5.86 [2019-03-28 12:32:00,518 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.86/5.86 [2019-03-28 12:32:00,518 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.86/5.86 [2019-03-28 12:32:00,519 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.86/5.86 [2019-03-28 12:32:00,519 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.86/5.86 [2019-03-28 12:32:00,520 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.86/5.86 [2019-03-28 12:32:00,521 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.86/5.86 [2019-03-28 12:32:00,522 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.86/5.86 [2019-03-28 12:32:00,523 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.86/5.86 [2019-03-28 12:32:00,523 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.86/5.86 [2019-03-28 12:32:00,523 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.86/5.86 [2019-03-28 12:32:00,524 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.86/5.86 [2019-03-28 12:32:00,524 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.86/5.86 [2019-03-28 12:32:00,525 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.86/5.86 [2019-03-28 12:32:00,525 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.86/5.86 [2019-03-28 12:32:00,526 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.86/5.86 [2019-03-28 12:32:00,540 INFO L110 SettingsManager]: Loading preferences was successful 11.86/5.86 [2019-03-28 12:32:00,541 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.86/5.86 [2019-03-28 12:32:00,542 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.86/5.86 [2019-03-28 12:32:00,542 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.86/5.86 [2019-03-28 12:32:00,542 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.86/5.86 [2019-03-28 12:32:00,542 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.86/5.86 [2019-03-28 12:32:00,543 INFO L133 SettingsManager]: * Use SBE=true 11.86/5.86 [2019-03-28 12:32:00,543 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.86/5.86 [2019-03-28 12:32:00,543 INFO L133 SettingsManager]: * Use old map elimination=false 11.86/5.86 [2019-03-28 12:32:00,543 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.86/5.86 [2019-03-28 12:32:00,543 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.86/5.86 [2019-03-28 12:32:00,544 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.86/5.86 [2019-03-28 12:32:00,544 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.86/5.86 [2019-03-28 12:32:00,544 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.86/5.86 [2019-03-28 12:32:00,544 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.86/5.86 [2019-03-28 12:32:00,544 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.86/5.86 [2019-03-28 12:32:00,545 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.86/5.86 [2019-03-28 12:32:00,545 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.86/5.86 [2019-03-28 12:32:00,545 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.86/5.86 [2019-03-28 12:32:00,545 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.86/5.86 [2019-03-28 12:32:00,545 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.86/5.86 [2019-03-28 12:32:00,546 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.86/5.86 [2019-03-28 12:32:00,546 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.86/5.86 [2019-03-28 12:32:00,546 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.86/5.86 [2019-03-28 12:32:00,546 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.86/5.86 [2019-03-28 12:32:00,546 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.86/5.86 [2019-03-28 12:32:00,547 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.86/5.86 [2019-03-28 12:32:00,547 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.86/5.86 [2019-03-28 12:32:00,547 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.86/5.86 [2019-03-28 12:32:00,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.86/5.86 [2019-03-28 12:32:00,585 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.86/5.86 [2019-03-28 12:32:00,589 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.86/5.86 [2019-03-28 12:32:00,590 INFO L271 PluginConnector]: Initializing CDTParser... 11.86/5.86 [2019-03-28 12:32:00,591 INFO L276 PluginConnector]: CDTParser initialized 11.86/5.86 [2019-03-28 12:32:00,591 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.86/5.86 [2019-03-28 12:32:00,647 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/329fd111e26b41558b8672c9cd7b2b04/FLAGbb3c00ca6 11.86/5.86 [2019-03-28 12:32:00,983 INFO L307 CDTParser]: Found 1 translation units. 11.86/5.86 [2019-03-28 12:32:00,984 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.86/5.86 [2019-03-28 12:32:00,991 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/329fd111e26b41558b8672c9cd7b2b04/FLAGbb3c00ca6 11.86/5.86 [2019-03-28 12:32:01,391 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/329fd111e26b41558b8672c9cd7b2b04 11.86/5.86 [2019-03-28 12:32:01,403 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.86/5.86 [2019-03-28 12:32:01,405 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.86/5.86 [2019-03-28 12:32:01,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.86/5.86 [2019-03-28 12:32:01,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.86/5.86 [2019-03-28 12:32:01,410 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.86/5.86 [2019-03-28 12:32:01,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:32:01" (1/1) ... 11.86/5.86 [2019-03-28 12:32:01,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbf8484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01, skipping insertion in model container 11.86/5.86 [2019-03-28 12:32:01,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:32:01" (1/1) ... 11.86/5.86 [2019-03-28 12:32:01,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.86/5.86 [2019-03-28 12:32:01,440 INFO L176 MainTranslator]: Built tables and reachable declarations 11.86/5.86 [2019-03-28 12:32:01,598 INFO L206 PostProcessor]: Analyzing one entry point: main 11.86/5.86 [2019-03-28 12:32:01,603 INFO L191 MainTranslator]: Completed pre-run 11.86/5.86 [2019-03-28 12:32:01,618 INFO L206 PostProcessor]: Analyzing one entry point: main 11.86/5.86 [2019-03-28 12:32:01,634 INFO L195 MainTranslator]: Completed translation 11.86/5.86 [2019-03-28 12:32:01,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01 WrapperNode 11.86/5.86 [2019-03-28 12:32:01,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.86/5.86 [2019-03-28 12:32:01,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.86/5.86 [2019-03-28 12:32:01,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.86/5.86 [2019-03-28 12:32:01,636 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.86/5.86 [2019-03-28 12:32:01,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01" (1/1) ... 11.86/5.86 [2019-03-28 12:32:01,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01" (1/1) ... 11.86/5.86 [2019-03-28 12:32:01,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.86/5.86 [2019-03-28 12:32:01,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.86/5.86 [2019-03-28 12:32:01,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.86/5.86 [2019-03-28 12:32:01,729 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.86/5.86 [2019-03-28 12:32:01,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01" (1/1) ... 11.86/5.86 [2019-03-28 12:32:01,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01" (1/1) ... 11.86/5.86 [2019-03-28 12:32:01,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01" (1/1) ... 11.86/5.86 [2019-03-28 12:32:01,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01" (1/1) ... 11.86/5.86 [2019-03-28 12:32:01,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01" (1/1) ... 11.86/5.86 [2019-03-28 12:32:01,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01" (1/1) ... 11.86/5.86 [2019-03-28 12:32:01,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01" (1/1) ... 11.86/5.86 [2019-03-28 12:32:01,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.86/5.86 [2019-03-28 12:32:01,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.86/5.86 [2019-03-28 12:32:01,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.86/5.86 [2019-03-28 12:32:01,749 INFO L276 PluginConnector]: RCFGBuilder initialized 11.86/5.86 [2019-03-28 12:32:01,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01" (1/1) ... 11.86/5.86 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.86/5.86 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.86/5.86 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.86/5.86 [2019-03-28 12:32:01,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.86/5.86 [2019-03-28 12:32:01,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.86/5.86 [2019-03-28 12:32:01,928 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.86/5.86 [2019-03-28 12:32:01,928 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.86/5.86 [2019-03-28 12:32:01,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:01 BoogieIcfgContainer 11.86/5.86 [2019-03-28 12:32:01,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.86/5.86 [2019-03-28 12:32:01,930 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.86/5.86 [2019-03-28 12:32:01,930 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.86/5.86 [2019-03-28 12:32:01,932 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.86/5.86 [2019-03-28 12:32:01,933 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:01" (1/1) ... 11.86/5.86 [2019-03-28 12:32:01,948 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 8 edges 11.86/5.86 [2019-03-28 12:32:01,949 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.86/5.86 [2019-03-28 12:32:01,950 INFO L263 BlockEncoder]: Using Maximize final states 11.86/5.86 [2019-03-28 12:32:01,951 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.86/5.86 [2019-03-28 12:32:01,951 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.86/5.86 [2019-03-28 12:32:01,953 INFO L296 BlockEncoder]: Using Remove sink states 11.86/5.86 [2019-03-28 12:32:01,954 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.86/5.86 [2019-03-28 12:32:01,954 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.86/5.86 [2019-03-28 12:32:01,967 INFO L185 BlockEncoder]: Using Use SBE 11.86/5.86 [2019-03-28 12:32:01,975 INFO L200 BlockEncoder]: SBE split 0 edges 11.86/5.86 [2019-03-28 12:32:01,980 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.86/5.86 [2019-03-28 12:32:01,983 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.86/5.86 [2019-03-28 12:32:02,002 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 11.86/5.86 [2019-03-28 12:32:02,005 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 11.86/5.86 [2019-03-28 12:32:02,006 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.86/5.86 [2019-03-28 12:32:02,006 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.86/5.86 [2019-03-28 12:32:02,007 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.86/5.86 [2019-03-28 12:32:02,007 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.86/5.86 [2019-03-28 12:32:02,007 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 11.86/5.86 [2019-03-28 12:32:02,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:02 BasicIcfg 11.86/5.86 [2019-03-28 12:32:02,008 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.86/5.86 [2019-03-28 12:32:02,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.86/5.86 [2019-03-28 12:32:02,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.86/5.86 [2019-03-28 12:32:02,012 INFO L276 PluginConnector]: TraceAbstraction initialized 11.86/5.86 [2019-03-28 12:32:02,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:32:01" (1/4) ... 11.86/5.86 [2019-03-28 12:32:02,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0a3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:32:02, skipping insertion in model container 11.86/5.86 [2019-03-28 12:32:02,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01" (2/4) ... 11.86/5.86 [2019-03-28 12:32:02,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0a3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:32:02, skipping insertion in model container 11.86/5.86 [2019-03-28 12:32:02,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:01" (3/4) ... 11.86/5.86 [2019-03-28 12:32:02,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0a3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:02, skipping insertion in model container 11.86/5.86 [2019-03-28 12:32:02,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:02" (4/4) ... 11.86/5.86 [2019-03-28 12:32:02,016 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.86/5.86 [2019-03-28 12:32:02,026 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.86/5.86 [2019-03-28 12:32:02,033 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.86/5.86 [2019-03-28 12:32:02,052 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.86/5.86 [2019-03-28 12:32:02,081 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.86/5.86 [2019-03-28 12:32:02,082 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.86/5.86 [2019-03-28 12:32:02,082 INFO L383 AbstractCegarLoop]: Hoare is true 11.86/5.86 [2019-03-28 12:32:02,082 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.86/5.86 [2019-03-28 12:32:02,082 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.86/5.86 [2019-03-28 12:32:02,083 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.86/5.86 [2019-03-28 12:32:02,083 INFO L387 AbstractCegarLoop]: Difference is false 11.86/5.86 [2019-03-28 12:32:02,083 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.86/5.86 [2019-03-28 12:32:02,083 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.86/5.86 [2019-03-28 12:32:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 11.86/5.86 [2019-03-28 12:32:02,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.86/5.86 [2019-03-28 12:32:02,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 11.86/5.86 [2019-03-28 12:32:02,155 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.86/5.86 [2019-03-28 12:32:02,156 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 13 15) the Hoare annotation is: true 11.86/5.86 [2019-03-28 12:32:02,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:02 BasicIcfg 11.86/5.86 [2019-03-28 12:32:02,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.86/5.86 [2019-03-28 12:32:02,164 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.86/5.86 [2019-03-28 12:32:02,164 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.86/5.86 [2019-03-28 12:32:02,167 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.86/5.86 [2019-03-28 12:32:02,169 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.86/5.86 [2019-03-28 12:32:02,169 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:32:01" (1/5) ... 11.86/5.86 [2019-03-28 12:32:02,170 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55a7b4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:32:02, skipping insertion in model container 11.86/5.86 [2019-03-28 12:32:02,170 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.86/5.86 [2019-03-28 12:32:02,170 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:01" (2/5) ... 11.86/5.86 [2019-03-28 12:32:02,170 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55a7b4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:32:02, skipping insertion in model container 11.86/5.86 [2019-03-28 12:32:02,170 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.86/5.86 [2019-03-28 12:32:02,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:01" (3/5) ... 11.86/5.86 [2019-03-28 12:32:02,171 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55a7b4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:02, skipping insertion in model container 11.86/5.86 [2019-03-28 12:32:02,171 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.86/5.86 [2019-03-28 12:32:02,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:02" (4/5) ... 11.86/5.86 [2019-03-28 12:32:02,172 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55a7b4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:02, skipping insertion in model container 11.86/5.86 [2019-03-28 12:32:02,172 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.86/5.86 [2019-03-28 12:32:02,172 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:02" (5/5) ... 11.86/5.86 [2019-03-28 12:32:02,174 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.86/5.86 [2019-03-28 12:32:02,201 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.86/5.86 [2019-03-28 12:32:02,201 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.86/5.86 [2019-03-28 12:32:02,201 INFO L375 BuchiCegarLoop]: Hoare is true 11.86/5.86 [2019-03-28 12:32:02,201 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.86/5.86 [2019-03-28 12:32:02,201 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.86/5.86 [2019-03-28 12:32:02,202 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.86/5.86 [2019-03-28 12:32:02,202 INFO L379 BuchiCegarLoop]: Difference is false 11.86/5.86 [2019-03-28 12:32:02,202 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.86/5.86 [2019-03-28 12:32:02,202 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.86/5.86 [2019-03-28 12:32:02,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.86/5.86 [2019-03-28 12:32:02,223 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.86/5.86 [2019-03-28 12:32:02,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.86/5.86 [2019-03-28 12:32:02,224 INFO L119 BuchiIsEmpty]: Starting construction of run 11.86/5.86 [2019-03-28 12:32:02,229 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.86/5.86 [2019-03-28 12:32:02,229 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.86/5.86 [2019-03-28 12:32:02,229 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.86/5.86 [2019-03-28 12:32:02,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.86/5.86 [2019-03-28 12:32:02,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.86/5.86 [2019-03-28 12:32:02,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.86/5.86 [2019-03-28 12:32:02,230 INFO L119 BuchiIsEmpty]: Starting construction of run 11.86/5.86 [2019-03-28 12:32:02,231 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.86/5.86 [2019-03-28 12:32:02,231 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.86/5.86 [2019-03-28 12:32:02,236 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [28] ULTIMATE.startENTRY-->L13-2: Formula: (= 5 v_~c~0_3) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ~c~0=v_~c~0_3, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_4|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ~c~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 4#L13-2true 11.86/5.86 [2019-03-28 12:32:02,236 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-2true [25] L13-2-->L13-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ v_~c~0_2 v_ULTIMATE.start_main_~x~0_6))) InVars {~c~0=v_~c~0_2, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{~c~0=v_~c~0_2, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L13-2true 11.86/5.86 [2019-03-28 12:32:02,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.86/5.86 [2019-03-28 12:32:02,243 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 1 times 11.86/5.86 [2019-03-28 12:32:02,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.86/5.86 [2019-03-28 12:32:02,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.86/5.86 [2019-03-28 12:32:02,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.86/5.86 [2019-03-28 12:32:02,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.86/5.86 [2019-03-28 12:32:02,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.86/5.86 [2019-03-28 12:32:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.86/5.86 [2019-03-28 12:32:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.86/5.86 [2019-03-28 12:32:02,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.86/5.86 [2019-03-28 12:32:02,312 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times 11.86/5.86 [2019-03-28 12:32:02,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.86/5.86 [2019-03-28 12:32:02,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.86/5.86 [2019-03-28 12:32:02,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.86/5.86 [2019-03-28 12:32:02,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.86/5.86 [2019-03-28 12:32:02,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.86/5.86 [2019-03-28 12:32:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.86/5.86 [2019-03-28 12:32:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.86/5.86 [2019-03-28 12:32:02,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.86/5.86 [2019-03-28 12:32:02,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1854, now seen corresponding path program 1 times 11.86/5.86 [2019-03-28 12:32:02,327 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.86/5.86 [2019-03-28 12:32:02,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.86/5.86 [2019-03-28 12:32:02,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.86/5.86 [2019-03-28 12:32:02,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.86/5.86 [2019-03-28 12:32:02,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.86/5.86 [2019-03-28 12:32:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.86/5.86 [2019-03-28 12:32:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.86/5.86 [2019-03-28 12:32:02,384 INFO L216 LassoAnalysis]: Preferences: 11.86/5.86 [2019-03-28 12:32:02,385 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 11.86/5.86 [2019-03-28 12:32:02,385 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 11.86/5.86 [2019-03-28 12:32:02,385 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 11.86/5.86 [2019-03-28 12:32:02,386 INFO L127 ssoRankerPreferences]: Use exernal solver: true 11.86/5.86 [2019-03-28 12:32:02,386 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.86/5.86 [2019-03-28 12:32:02,386 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 11.86/5.86 [2019-03-28 12:32:02,386 INFO L130 ssoRankerPreferences]: Path of dumped script: 11.86/5.86 [2019-03-28 12:32:02,386 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 11.86/5.86 [2019-03-28 12:32:02,386 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 11.86/5.86 [2019-03-28 12:32:02,387 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 11.86/5.86 [2019-03-28 12:32:02,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.86/5.86 [2019-03-28 12:32:02,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.86/5.86 [2019-03-28 12:32:02,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.86/5.86 [2019-03-28 12:32:02,478 INFO L300 LassoAnalysis]: Preprocessing complete. 11.86/5.86 [2019-03-28 12:32:02,479 INFO L412 LassoAnalysis]: Checking for nontermination... 11.86/5.86 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.86/5.86 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 11.86/5.86 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.86/5.86 [2019-03-28 12:32:02,486 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 11.86/5.86 [2019-03-28 12:32:02,487 INFO L163 nArgumentSynthesizer]: Using integer mode. 11.86/5.86 [2019-03-28 12:32:02,495 INFO L445 LassoAnalysis]: Proved nontermination for one component. 11.86/5.86 [2019-03-28 12:32:02,495 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: [] 11.86/5.86 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.86/5.86 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 11.86/5.86 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.86/5.86 [2019-03-28 12:32:02,524 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 11.86/5.86 [2019-03-28 12:32:02,525 INFO L163 nArgumentSynthesizer]: Using integer mode. 11.86/5.86 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.86/5.86 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 11.86/5.86 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.86/5.86 [2019-03-28 12:32:02,560 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 11.86/5.86 [2019-03-28 12:32:02,560 INFO L163 nArgumentSynthesizer]: Using integer mode. 11.86/5.86 [2019-03-28 12:32:02,681 INFO L445 LassoAnalysis]: Proved nontermination for one component. 11.86/5.86 [2019-03-28 12:32:02,681 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0, ~c~0=0} Honda state: {ULTIMATE.start_main_~x~0=0, ~c~0=5} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=1, ~c~0=0}, {ULTIMATE.start_main_~x~0=1, ~c~0=0}, {ULTIMATE.start_main_~x~0=3, ~c~0=0}] Lambdas: [0, 1, 1] Nus: [1, 0] 11.86/5.86 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.86/5.86 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 11.86/5.86 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.86/5.86 [2019-03-28 12:32:02,711 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 11.86/5.86 [2019-03-28 12:32:02,711 INFO L163 nArgumentSynthesizer]: Using integer mode. 11.86/5.86 [2019-03-28 12:32:02,715 INFO L445 LassoAnalysis]: Proved nontermination for one component. 11.86/5.86 [2019-03-28 12:32:02,715 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 11.86/5.86 [2019-03-28 12:32:02,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:02 BasicIcfg 11.86/5.86 [2019-03-28 12:32:02,760 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.86/5.86 [2019-03-28 12:32:02,760 INFO L168 Benchmark]: Toolchain (without parser) took 1356.61 ms. Allocated memory was 649.6 MB in the beginning and 660.1 MB in the end (delta: 10.5 MB). Free memory was 559.8 MB in the beginning and 551.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 50.3 GB. 11.86/5.86 [2019-03-28 12:32:02,762 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.86/5.86 [2019-03-28 12:32:02,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.49 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 549.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.86/5.86 [2019-03-28 12:32:02,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.19 ms. Allocated memory was 649.6 MB in the beginning and 660.1 MB in the end (delta: 10.5 MB). Free memory was 549.0 MB in the beginning and 627.7 MB in the end (delta: -78.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 11.86/5.86 [2019-03-28 12:32:02,764 INFO L168 Benchmark]: Boogie Preprocessor took 18.99 ms. Allocated memory is still 660.1 MB. Free memory was 627.7 MB in the beginning and 624.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.86/5.86 [2019-03-28 12:32:02,764 INFO L168 Benchmark]: RCFGBuilder took 181.52 ms. Allocated memory is still 660.1 MB. Free memory was 624.6 MB in the beginning and 611.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 11.86/5.86 [2019-03-28 12:32:02,765 INFO L168 Benchmark]: BlockEncodingV2 took 77.73 ms. Allocated memory is still 660.1 MB. Free memory was 611.7 MB in the beginning and 605.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 11.86/5.86 [2019-03-28 12:32:02,766 INFO L168 Benchmark]: TraceAbstraction took 154.78 ms. Allocated memory is still 660.1 MB. Free memory was 605.2 MB in the beginning and 597.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 11.86/5.86 [2019-03-28 12:32:02,766 INFO L168 Benchmark]: BuchiAutomizer took 595.57 ms. Allocated memory is still 660.1 MB. Free memory was 597.1 MB in the beginning and 551.6 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 50.3 GB. 11.86/5.86 [2019-03-28 12:32:02,771 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.86/5.86 --- Results --- 11.86/5.86 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.86/5.86 - StatisticsResult: Initial Icfg 11.86/5.86 7 locations, 8 edges 11.86/5.86 - StatisticsResult: Encoded RCFG 11.86/5.86 2 locations, 2 edges 11.86/5.86 * Results from de.uni_freiburg.informatik.ultimate.core: 11.86/5.86 - StatisticsResult: Toolchain Benchmarks 11.86/5.86 Benchmark results are: 11.86/5.86 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.86/5.86 * CACSL2BoogieTranslator took 229.49 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 549.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.86/5.86 * Boogie Procedure Inliner took 93.19 ms. Allocated memory was 649.6 MB in the beginning and 660.1 MB in the end (delta: 10.5 MB). Free memory was 549.0 MB in the beginning and 627.7 MB in the end (delta: -78.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 11.86/5.86 * Boogie Preprocessor took 18.99 ms. Allocated memory is still 660.1 MB. Free memory was 627.7 MB in the beginning and 624.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.86/5.86 * RCFGBuilder took 181.52 ms. Allocated memory is still 660.1 MB. Free memory was 624.6 MB in the beginning and 611.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 11.86/5.86 * BlockEncodingV2 took 77.73 ms. Allocated memory is still 660.1 MB. Free memory was 611.7 MB in the beginning and 605.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 11.86/5.86 * TraceAbstraction took 154.78 ms. Allocated memory is still 660.1 MB. Free memory was 605.2 MB in the beginning and 597.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 11.86/5.86 * BuchiAutomizer took 595.57 ms. Allocated memory is still 660.1 MB. Free memory was 597.1 MB in the beginning and 551.6 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 50.3 GB. 11.86/5.86 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.86/5.86 - AllSpecificationsHoldResult: All specifications hold 11.86/5.86 We were not able to verify any specifiation because the program does not contain any specification. 11.86/5.86 - InvariantResult [Line: 13]: Loop Invariant 11.86/5.86 Derived loop invariant: 1 11.86/5.86 - StatisticsResult: Ultimate Automizer benchmark data 11.86/5.86 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 11.86/5.86 - StatisticsResult: Constructed decomposition of program 11.86/5.86 Trivial decomposition into one nonterminating module. 11.86/5.86 - StatisticsResult: Timing statistics 11.86/5.86 BüchiAutomizer plugin needed 0.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq183 hnf95 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 11.86/5.86 - TerminationAnalysisResult: Nontermination possible 11.86/5.86 Buchi Automizer proved that your program is nonterminating for some inputs 11.86/5.86 - GeometricNonTerminationArgumentResult [Line: 13]: Nontermination argument in form of an infinite program execution. 11.86/5.86 Nontermination argument in form of an infinite execution 11.86/5.86 {|ULTIMATE.start_main_#t~nondet0|=0, ~c~0=0, ULTIMATE.start_main_~x~0=0, |ULTIMATE.start_main_#res|=0} 11.86/5.86 {c=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b3cd00a=0, \result=0, x=0} 11.86/5.86 {c=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b3cd00a=0, \result=0, x=5} 11.86/5.86 {c=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b3cd00a=0, \result=0, x=10} 11.86/5.86 {c=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b3cd00a=0, \result=0, x=15} 11.86/5.86 {c=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b3cd00a=0, \result=0, x=20} 11.86/5.86 - StatisticsResult: NonterminationArgumentStatistics 11.86/5.86 Unbounded Execution 3GEVs Lambdas: [0, 1, 1] Mus: [1, 0] 11.86/5.86 - NonterminatingLassoResult [Line: 13]: Nonterminating execution 11.86/5.86 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.86/5.86 Stem: 11.86/5.86 [L8] const int c = 5; 11.86/5.86 [L12] int x = __VERIFIER_nondet_int(); 11.86/5.86 Loop: 11.86/5.86 [L13] COND TRUE x >= 0 11.86/5.86 [L14] x += c 11.86/5.86 End of lasso representation. 11.86/5.86 RESULT: Ultimate proved your program to be incorrect! 11.86/5.86 !SESSION 2019-03-28 12:31:58.140 ----------------------------------------------- 11.86/5.86 eclipse.buildId=unknown 11.86/5.86 java.version=1.8.0_181 11.86/5.86 java.vendor=Oracle Corporation 11.86/5.86 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.86/5.86 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.86/5.86 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 11.86/5.86 11.86/5.86 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:32:03.012 11.86/5.86 !MESSAGE The workspace will exit with unsaved changes in this session. 11.86/5.86 Received shutdown request... 11.86/5.86 Ultimate: 11.86/5.86 GTK+ Version Check 11.86/5.86 EOF