13.34/7.58 NO 13.34/7.58 13.34/7.58 Ultimate: Cannot open display: 13.34/7.58 This is Ultimate 0.1.24-8dc7c08-m 13.34/7.58 [2019-03-28 12:03:18,838 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.34/7.58 [2019-03-28 12:03:18,840 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.34/7.58 [2019-03-28 12:03:18,851 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.34/7.58 [2019-03-28 12:03:18,852 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.34/7.58 [2019-03-28 12:03:18,853 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.34/7.58 [2019-03-28 12:03:18,854 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.34/7.58 [2019-03-28 12:03:18,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.34/7.58 [2019-03-28 12:03:18,857 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.34/7.58 [2019-03-28 12:03:18,858 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.34/7.58 [2019-03-28 12:03:18,859 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.34/7.58 [2019-03-28 12:03:18,859 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.34/7.58 [2019-03-28 12:03:18,860 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.34/7.58 [2019-03-28 12:03:18,861 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.34/7.58 [2019-03-28 12:03:18,862 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.34/7.58 [2019-03-28 12:03:18,863 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.34/7.58 [2019-03-28 12:03:18,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.34/7.58 [2019-03-28 12:03:18,865 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.34/7.58 [2019-03-28 12:03:18,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.34/7.58 [2019-03-28 12:03:18,869 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.34/7.58 [2019-03-28 12:03:18,870 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.34/7.58 [2019-03-28 12:03:18,871 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.34/7.58 [2019-03-28 12:03:18,873 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.34/7.58 [2019-03-28 12:03:18,873 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.34/7.58 [2019-03-28 12:03:18,873 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.34/7.58 [2019-03-28 12:03:18,874 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.34/7.58 [2019-03-28 12:03:18,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.34/7.58 [2019-03-28 12:03:18,875 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.34/7.58 [2019-03-28 12:03:18,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.34/7.58 [2019-03-28 12:03:18,876 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.34/7.58 [2019-03-28 12:03:18,877 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.34/7.58 [2019-03-28 12:03:18,878 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.34/7.58 [2019-03-28 12:03:18,879 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.34/7.58 [2019-03-28 12:03:18,879 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.34/7.58 [2019-03-28 12:03:18,880 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.34/7.58 [2019-03-28 12:03:18,880 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.34/7.59 [2019-03-28 12:03:18,880 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.34/7.59 [2019-03-28 12:03:18,881 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.34/7.59 [2019-03-28 12:03:18,882 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.34/7.59 [2019-03-28 12:03:18,882 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.34/7.59 [2019-03-28 12:03:18,897 INFO L110 SettingsManager]: Loading preferences was successful 13.34/7.59 [2019-03-28 12:03:18,897 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.34/7.59 [2019-03-28 12:03:18,898 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.34/7.59 [2019-03-28 12:03:18,898 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.34/7.59 [2019-03-28 12:03:18,899 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.34/7.59 [2019-03-28 12:03:18,899 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.34/7.59 [2019-03-28 12:03:18,899 INFO L133 SettingsManager]: * Use SBE=true 13.34/7.59 [2019-03-28 12:03:18,899 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.34/7.59 [2019-03-28 12:03:18,899 INFO L133 SettingsManager]: * Use old map elimination=false 13.34/7.59 [2019-03-28 12:03:18,899 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.34/7.59 [2019-03-28 12:03:18,900 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.34/7.59 [2019-03-28 12:03:18,900 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.34/7.59 [2019-03-28 12:03:18,900 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.34/7.59 [2019-03-28 12:03:18,900 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.34/7.59 [2019-03-28 12:03:18,900 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.34/7.59 [2019-03-28 12:03:18,901 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.34/7.59 [2019-03-28 12:03:18,901 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.34/7.59 [2019-03-28 12:03:18,901 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.34/7.59 [2019-03-28 12:03:18,901 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.34/7.59 [2019-03-28 12:03:18,901 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.34/7.59 [2019-03-28 12:03:18,901 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.34/7.59 [2019-03-28 12:03:18,902 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.34/7.59 [2019-03-28 12:03:18,902 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.34/7.59 [2019-03-28 12:03:18,902 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.34/7.59 [2019-03-28 12:03:18,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.34/7.59 [2019-03-28 12:03:18,902 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.34/7.59 [2019-03-28 12:03:18,903 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.34/7.59 [2019-03-28 12:03:18,903 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.34/7.59 [2019-03-28 12:03:18,903 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.34/7.59 [2019-03-28 12:03:18,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.34/7.59 [2019-03-28 12:03:18,945 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.34/7.59 [2019-03-28 12:03:18,949 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.34/7.59 [2019-03-28 12:03:18,950 INFO L271 PluginConnector]: Initializing CDTParser... 13.34/7.59 [2019-03-28 12:03:18,950 INFO L276 PluginConnector]: CDTParser initialized 13.34/7.59 [2019-03-28 12:03:18,951 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.34/7.59 [2019-03-28 12:03:19,016 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/243a5250783543cc85005ee0b2e38ef5/FLAGe949ddac0 13.34/7.59 [2019-03-28 12:03:19,532 INFO L307 CDTParser]: Found 1 translation units. 13.34/7.59 [2019-03-28 12:03:19,533 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.34/7.59 [2019-03-28 12:03:19,539 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/243a5250783543cc85005ee0b2e38ef5/FLAGe949ddac0 13.34/7.59 [2019-03-28 12:03:19,955 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/243a5250783543cc85005ee0b2e38ef5 13.34/7.59 [2019-03-28 12:03:19,966 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.34/7.59 [2019-03-28 12:03:19,968 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.34/7.59 [2019-03-28 12:03:19,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.34/7.59 [2019-03-28 12:03:19,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.34/7.59 [2019-03-28 12:03:19,973 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.34/7.59 [2019-03-28 12:03:19,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:03:19" (1/1) ... 13.34/7.59 [2019-03-28 12:03:19,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63197c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:19, skipping insertion in model container 13.34/7.59 [2019-03-28 12:03:19,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:03:19" (1/1) ... 13.34/7.59 [2019-03-28 12:03:19,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.34/7.59 [2019-03-28 12:03:20,003 INFO L176 MainTranslator]: Built tables and reachable declarations 13.34/7.59 [2019-03-28 12:03:20,160 INFO L206 PostProcessor]: Analyzing one entry point: main 13.34/7.59 [2019-03-28 12:03:20,165 INFO L191 MainTranslator]: Completed pre-run 13.34/7.59 [2019-03-28 12:03:20,180 INFO L206 PostProcessor]: Analyzing one entry point: main 13.34/7.59 [2019-03-28 12:03:20,195 INFO L195 MainTranslator]: Completed translation 13.34/7.59 [2019-03-28 12:03:20,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20 WrapperNode 13.34/7.59 [2019-03-28 12:03:20,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.34/7.59 [2019-03-28 12:03:20,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.34/7.59 [2019-03-28 12:03:20,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.34/7.59 [2019-03-28 12:03:20,212 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.34/7.59 [2019-03-28 12:03:20,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20" (1/1) ... 13.34/7.59 [2019-03-28 12:03:20,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20" (1/1) ... 13.34/7.59 [2019-03-28 12:03:20,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.34/7.59 [2019-03-28 12:03:20,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.34/7.59 [2019-03-28 12:03:20,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.34/7.59 [2019-03-28 12:03:20,311 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.34/7.59 [2019-03-28 12:03:20,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20" (1/1) ... 13.34/7.59 [2019-03-28 12:03:20,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20" (1/1) ... 13.34/7.59 [2019-03-28 12:03:20,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20" (1/1) ... 13.34/7.59 [2019-03-28 12:03:20,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20" (1/1) ... 13.34/7.59 [2019-03-28 12:03:20,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20" (1/1) ... 13.34/7.59 [2019-03-28 12:03:20,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20" (1/1) ... 13.34/7.59 [2019-03-28 12:03:20,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20" (1/1) ... 13.34/7.59 [2019-03-28 12:03:20,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.34/7.59 [2019-03-28 12:03:20,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.34/7.59 [2019-03-28 12:03:20,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.34/7.59 [2019-03-28 12:03:20,331 INFO L276 PluginConnector]: RCFGBuilder initialized 13.34/7.59 [2019-03-28 12:03:20,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20" (1/1) ... 13.34/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.34/7.59 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.34/7.59 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.34/7.59 [2019-03-28 12:03:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.34/7.59 [2019-03-28 12:03:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.34/7.59 [2019-03-28 12:03:20,534 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.34/7.59 [2019-03-28 12:03:20,534 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.34/7.59 [2019-03-28 12:03:20,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:03:20 BoogieIcfgContainer 13.34/7.59 [2019-03-28 12:03:20,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.34/7.59 [2019-03-28 12:03:20,536 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.34/7.59 [2019-03-28 12:03:20,537 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.34/7.59 [2019-03-28 12:03:20,539 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.34/7.59 [2019-03-28 12:03:20,540 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:03:20" (1/1) ... 13.34/7.59 [2019-03-28 12:03:20,556 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 13.34/7.59 [2019-03-28 12:03:20,558 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.34/7.59 [2019-03-28 12:03:20,559 INFO L263 BlockEncoder]: Using Maximize final states 13.34/7.59 [2019-03-28 12:03:20,560 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.34/7.59 [2019-03-28 12:03:20,560 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.34/7.59 [2019-03-28 12:03:20,562 INFO L296 BlockEncoder]: Using Remove sink states 13.34/7.59 [2019-03-28 12:03:20,563 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.34/7.59 [2019-03-28 12:03:20,563 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.34/7.59 [2019-03-28 12:03:20,578 INFO L185 BlockEncoder]: Using Use SBE 13.34/7.59 [2019-03-28 12:03:20,586 INFO L200 BlockEncoder]: SBE split 0 edges 13.34/7.59 [2019-03-28 12:03:20,592 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.34/7.59 [2019-03-28 12:03:20,593 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.34/7.59 [2019-03-28 12:03:20,613 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 13.34/7.59 [2019-03-28 12:03:20,616 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.34/7.59 [2019-03-28 12:03:20,617 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.34/7.59 [2019-03-28 12:03:20,617 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.34/7.59 [2019-03-28 12:03:20,618 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.34/7.59 [2019-03-28 12:03:20,618 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.34/7.59 [2019-03-28 12:03:20,618 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 13.34/7.59 [2019-03-28 12:03:20,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:03:20 BasicIcfg 13.34/7.59 [2019-03-28 12:03:20,619 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.34/7.59 [2019-03-28 12:03:20,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.34/7.59 [2019-03-28 12:03:20,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.34/7.59 [2019-03-28 12:03:20,623 INFO L276 PluginConnector]: TraceAbstraction initialized 13.34/7.59 [2019-03-28 12:03:20,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:03:19" (1/4) ... 13.34/7.59 [2019-03-28 12:03:20,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9d756d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:03:20, skipping insertion in model container 13.34/7.59 [2019-03-28 12:03:20,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20" (2/4) ... 13.34/7.59 [2019-03-28 12:03:20,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9d756d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:03:20, skipping insertion in model container 13.34/7.59 [2019-03-28 12:03:20,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:03:20" (3/4) ... 13.34/7.59 [2019-03-28 12:03:20,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9d756d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:03:20, skipping insertion in model container 13.34/7.59 [2019-03-28 12:03:20,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:03:20" (4/4) ... 13.34/7.59 [2019-03-28 12:03:20,627 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.34/7.59 [2019-03-28 12:03:20,637 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.34/7.59 [2019-03-28 12:03:20,645 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.34/7.59 [2019-03-28 12:03:20,662 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.34/7.59 [2019-03-28 12:03:20,692 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.34/7.59 [2019-03-28 12:03:20,693 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.34/7.59 [2019-03-28 12:03:20,693 INFO L383 AbstractCegarLoop]: Hoare is true 13.34/7.59 [2019-03-28 12:03:20,693 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.34/7.59 [2019-03-28 12:03:20,693 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.34/7.59 [2019-03-28 12:03:20,693 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.34/7.59 [2019-03-28 12:03:20,693 INFO L387 AbstractCegarLoop]: Difference is false 13.34/7.59 [2019-03-28 12:03:20,693 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.34/7.59 [2019-03-28 12:03:20,694 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.34/7.59 [2019-03-28 12:03:20,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 13.34/7.59 [2019-03-28 12:03:20,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.34/7.59 [2019-03-28 12:03:20,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 13.34/7.59 [2019-03-28 12:03:20,767 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.34/7.59 [2019-03-28 12:03:20,767 INFO L451 ceAbstractionStarter]: At program point L23-2(lines 23 26) the Hoare annotation is: true 13.34/7.59 [2019-03-28 12:03:20,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:03:20 BasicIcfg 13.34/7.59 [2019-03-28 12:03:20,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.34/7.59 [2019-03-28 12:03:20,777 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.34/7.59 [2019-03-28 12:03:20,777 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.34/7.59 [2019-03-28 12:03:20,780 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.34/7.59 [2019-03-28 12:03:20,781 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.34/7.59 [2019-03-28 12:03:20,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:03:19" (1/5) ... 13.34/7.59 [2019-03-28 12:03:20,782 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@380471fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:03:20, skipping insertion in model container 13.34/7.59 [2019-03-28 12:03:20,782 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.34/7.59 [2019-03-28 12:03:20,782 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:20" (2/5) ... 13.34/7.59 [2019-03-28 12:03:20,782 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@380471fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:03:20, skipping insertion in model container 13.34/7.59 [2019-03-28 12:03:20,783 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.34/7.59 [2019-03-28 12:03:20,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:03:20" (3/5) ... 13.34/7.59 [2019-03-28 12:03:20,783 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@380471fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:03:20, skipping insertion in model container 13.34/7.59 [2019-03-28 12:03:20,783 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.34/7.59 [2019-03-28 12:03:20,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:03:20" (4/5) ... 13.34/7.59 [2019-03-28 12:03:20,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@380471fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:03:20, skipping insertion in model container 13.34/7.59 [2019-03-28 12:03:20,784 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.34/7.59 [2019-03-28 12:03:20,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:03:20" (5/5) ... 13.34/7.59 [2019-03-28 12:03:20,785 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.34/7.59 [2019-03-28 12:03:20,813 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.34/7.59 [2019-03-28 12:03:20,814 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.34/7.59 [2019-03-28 12:03:20,814 INFO L375 BuchiCegarLoop]: Hoare is true 13.34/7.59 [2019-03-28 12:03:20,814 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.34/7.59 [2019-03-28 12:03:20,814 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.34/7.59 [2019-03-28 12:03:20,814 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.34/7.59 [2019-03-28 12:03:20,814 INFO L379 BuchiCegarLoop]: Difference is false 13.34/7.59 [2019-03-28 12:03:20,815 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.34/7.59 [2019-03-28 12:03:20,815 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.34/7.59 [2019-03-28 12:03:20,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.34/7.59 [2019-03-28 12:03:20,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.34/7.59 [2019-03-28 12:03:20,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.34/7.59 [2019-03-28 12:03:20,835 INFO L119 BuchiIsEmpty]: Starting construction of run 13.34/7.59 [2019-03-28 12:03:20,840 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.34/7.59 [2019-03-28 12:03:20,840 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.34/7.59 [2019-03-28 12:03:20,841 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.34/7.59 [2019-03-28 12:03:20,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.34/7.59 [2019-03-28 12:03:20,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.34/7.59 [2019-03-28 12:03:20,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.34/7.59 [2019-03-28 12:03:20,842 INFO L119 BuchiIsEmpty]: Starting construction of run 13.34/7.59 [2019-03-28 12:03:20,842 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.34/7.59 [2019-03-28 12:03:20,842 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.34/7.59 [2019-03-28 12:03:20,847 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L23-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~x~0] 3#L23-2true 13.34/7.59 [2019-03-28 12:03:20,847 INFO L796 eck$LassoCheckResult]: Loop: 3#L23-2true [20] L23-2-->L23-2: Formula: (and (= (+ v_ULTIMATE.start_main_~y~0_5 1) v_ULTIMATE.start_main_~y~0_4) (= v_ULTIMATE.start_main_~x~0_5 (- v_ULTIMATE.start_main_~y~0_5)) (< v_ULTIMATE.start_main_~x~0_6 10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~x~0] 3#L23-2true 13.34/7.59 [2019-03-28 12:03:20,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.34/7.59 [2019-03-28 12:03:20,854 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times 13.34/7.59 [2019-03-28 12:03:20,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.34/7.59 [2019-03-28 12:03:20,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.34/7.59 [2019-03-28 12:03:20,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.34/7.59 [2019-03-28 12:03:20,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.34/7.59 [2019-03-28 12:03:20,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.34/7.59 [2019-03-28 12:03:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.34/7.59 [2019-03-28 12:03:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.34/7.59 [2019-03-28 12:03:20,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.34/7.59 [2019-03-28 12:03:20,918 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times 13.34/7.59 [2019-03-28 12:03:20,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.34/7.59 [2019-03-28 12:03:20,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.34/7.59 [2019-03-28 12:03:20,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.34/7.59 [2019-03-28 12:03:20,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.34/7.59 [2019-03-28 12:03:20,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.34/7.59 [2019-03-28 12:03:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.34/7.59 [2019-03-28 12:03:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.34/7.59 [2019-03-28 12:03:20,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.34/7.59 [2019-03-28 12:03:20,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1632, now seen corresponding path program 1 times 13.34/7.59 [2019-03-28 12:03:20,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.34/7.59 [2019-03-28 12:03:20,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.34/7.59 [2019-03-28 12:03:20,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.34/7.59 [2019-03-28 12:03:20,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.34/7.59 [2019-03-28 12:03:20,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.34/7.59 [2019-03-28 12:03:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.34/7.59 [2019-03-28 12:03:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.34/7.59 [2019-03-28 12:03:20,995 INFO L216 LassoAnalysis]: Preferences: 13.34/7.59 [2019-03-28 12:03:20,997 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.34/7.59 [2019-03-28 12:03:20,997 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.34/7.59 [2019-03-28 12:03:20,997 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.34/7.59 [2019-03-28 12:03:20,997 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.34/7.59 [2019-03-28 12:03:20,997 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.34/7.59 [2019-03-28 12:03:20,998 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.34/7.59 [2019-03-28 12:03:20,998 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.34/7.59 [2019-03-28 12:03:20,998 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.34/7.59 [2019-03-28 12:03:20,998 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.34/7.59 [2019-03-28 12:03:20,998 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.34/7.59 [2019-03-28 12:03:21,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.34/7.59 [2019-03-28 12:03:21,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.34/7.59 [2019-03-28 12:03:21,095 INFO L300 LassoAnalysis]: Preprocessing complete. 13.34/7.59 [2019-03-28 12:03:21,096 INFO L412 LassoAnalysis]: Checking for nontermination... 13.34/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.34/7.59 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.34/7.59 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.34/7.59 [2019-03-28 12:03:21,102 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.34/7.59 [2019-03-28 12:03:21,102 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.34/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.34/7.59 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.34/7.59 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.34/7.59 [2019-03-28 12:03:21,135 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.34/7.59 [2019-03-28 12:03:21,135 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.34/7.59 [2019-03-28 12:03:21,242 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.34/7.59 [2019-03-28 12:03:21,242 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=10, ULTIMATE.start_main_~x~0=-9} Honda state: {ULTIMATE.start_main_~y~0=10, ULTIMATE.start_main_~x~0=-9} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=1, ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}] Lambdas: [8, 1, 0] Nus: [0, 1] 13.34/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.34/7.59 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.34/7.59 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.34/7.59 [2019-03-28 12:03:21,270 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.34/7.59 [2019-03-28 12:03:21,271 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.34/7.59 [2019-03-28 12:03:21,275 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.34/7.59 [2019-03-28 12:03:21,275 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.34/7.59 [2019-03-28 12:03:21,310 INFO L216 LassoAnalysis]: Preferences: 13.34/7.59 [2019-03-28 12:03:21,310 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.34/7.59 [2019-03-28 12:03:21,310 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.34/7.59 [2019-03-28 12:03:21,310 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.34/7.59 [2019-03-28 12:03:21,310 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.34/7.59 [2019-03-28 12:03:21,311 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.34/7.59 [2019-03-28 12:03:21,311 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.34/7.59 [2019-03-28 12:03:21,311 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.34/7.59 [2019-03-28 12:03:21,311 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 13.34/7.59 [2019-03-28 12:03:21,311 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.34/7.59 [2019-03-28 12:03:21,311 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.34/7.59 [2019-03-28 12:03:21,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.34/7.59 [2019-03-28 12:03:21,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.34/7.59 [2019-03-28 12:03:21,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.34/7.59 [2019-03-28 12:03:21,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.34/7.59 [2019-03-28 12:03:21,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.34/7.59 [2019-03-28 12:03:21,410 INFO L300 LassoAnalysis]: Preprocessing complete. 13.34/7.59 [2019-03-28 12:03:21,410 INFO L412 LassoAnalysis]: Checking for nontermination... 13.34/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.34/7.59 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.34/7.59 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.34/7.59 [2019-03-28 12:03:21,415 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.34/7.59 [2019-03-28 12:03:21,415 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.34/7.59 [2019-03-28 12:03:21,421 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.34/7.59 [2019-03-28 12:03:21,421 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: [] 13.34/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.34/7.59 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.34/7.59 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.34/7.59 [2019-03-28 12:03:21,449 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.34/7.59 [2019-03-28 12:03:21,450 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.34/7.59 [2019-03-28 12:03:21,454 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.34/7.59 [2019-03-28 12:03:21,454 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: [] 13.34/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.34/7.59 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.34/7.59 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.34/7.59 [2019-03-28 12:03:21,482 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.34/7.59 [2019-03-28 12:03:21,482 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.34/7.59 [2019-03-28 12:03:21,486 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.34/7.59 [2019-03-28 12:03:21,487 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.34/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.34/7.59 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.34/7.59 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.34/7.59 [2019-03-28 12:03:21,515 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.34/7.59 [2019-03-28 12:03:21,515 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.34/7.59 [2019-03-28 12:03:21,519 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.34/7.59 [2019-03-28 12:03:21,519 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.34/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.34/7.59 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.34/7.59 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.34/7.59 [2019-03-28 12:03:21,549 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.34/7.59 [2019-03-28 12:03:21,549 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.34/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.34/7.59 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.34/7.59 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.34/7.59 [2019-03-28 12:03:21,585 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.34/7.59 [2019-03-28 12:03:21,585 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.34/7.59 [2019-03-28 12:03:21,683 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.34/7.59 [2019-03-28 12:03:21,683 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-9, ULTIMATE.start_main_~y~0=10} Honda state: {ULTIMATE.start_main_~x~0=-9, ULTIMATE.start_main_~y~0=10} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0}, {ULTIMATE.start_main_~x~0=-1, ULTIMATE.start_main_~y~0=1}, {ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0}] Lambdas: [8, 1, 0] Nus: [0, 1] 13.34/7.59 [2019-03-28 12:03:21,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:03:21 BasicIcfg 13.34/7.59 [2019-03-28 12:03:21,729 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.34/7.59 [2019-03-28 12:03:21,730 INFO L168 Benchmark]: Toolchain (without parser) took 1762.91 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 564.8 MB in the beginning and 525.7 MB in the end (delta: 39.1 MB). Peak memory consumption was 53.7 MB. Max. memory is 50.3 GB. 13.34/7.59 [2019-03-28 12:03:21,731 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.34/7.59 [2019-03-28 12:03:21,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.81 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 554.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 13.34/7.59 [2019-03-28 12:03:21,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.32 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 554.9 MB in the beginning and 631.1 MB in the end (delta: -76.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 13.34/7.59 [2019-03-28 12:03:21,733 INFO L168 Benchmark]: Boogie Preprocessor took 20.08 ms. Allocated memory is still 664.3 MB. Free memory was 631.1 MB in the beginning and 628.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 13.34/7.59 [2019-03-28 12:03:21,734 INFO L168 Benchmark]: RCFGBuilder took 204.88 ms. Allocated memory is still 664.3 MB. Free memory was 628.3 MB in the beginning and 615.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 13.34/7.59 [2019-03-28 12:03:21,734 INFO L168 Benchmark]: BlockEncodingV2 took 82.62 ms. Allocated memory is still 664.3 MB. Free memory was 615.9 MB in the beginning and 610.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.34/7.59 [2019-03-28 12:03:21,735 INFO L168 Benchmark]: TraceAbstraction took 156.30 ms. Allocated memory is still 664.3 MB. Free memory was 609.5 MB in the beginning and 600.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 13.34/7.59 [2019-03-28 12:03:21,736 INFO L168 Benchmark]: BuchiAutomizer took 952.40 ms. Allocated memory is still 664.3 MB. Free memory was 600.7 MB in the beginning and 525.7 MB in the end (delta: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 50.3 GB. 13.34/7.59 [2019-03-28 12:03:21,740 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.34/7.59 --- Results --- 13.34/7.59 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.34/7.59 - StatisticsResult: Initial Icfg 13.34/7.59 6 locations, 7 edges 13.34/7.59 - StatisticsResult: Encoded RCFG 13.34/7.59 2 locations, 2 edges 13.34/7.59 * Results from de.uni_freiburg.informatik.ultimate.core: 13.34/7.59 - StatisticsResult: Toolchain Benchmarks 13.34/7.59 Benchmark results are: 13.34/7.59 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.34/7.59 * CACSL2BoogieTranslator took 242.81 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 554.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 13.34/7.59 * Boogie Procedure Inliner took 98.32 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 554.9 MB in the beginning and 631.1 MB in the end (delta: -76.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 13.34/7.59 * Boogie Preprocessor took 20.08 ms. Allocated memory is still 664.3 MB. Free memory was 631.1 MB in the beginning and 628.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 13.34/7.59 * RCFGBuilder took 204.88 ms. Allocated memory is still 664.3 MB. Free memory was 628.3 MB in the beginning and 615.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 13.34/7.59 * BlockEncodingV2 took 82.62 ms. Allocated memory is still 664.3 MB. Free memory was 615.9 MB in the beginning and 610.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.34/7.59 * TraceAbstraction took 156.30 ms. Allocated memory is still 664.3 MB. Free memory was 609.5 MB in the beginning and 600.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 13.34/7.59 * BuchiAutomizer took 952.40 ms. Allocated memory is still 664.3 MB. Free memory was 600.7 MB in the beginning and 525.7 MB in the end (delta: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 50.3 GB. 13.34/7.59 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.34/7.59 - AllSpecificationsHoldResult: All specifications hold 13.34/7.59 We were not able to verify any specifiation because the program does not contain any specification. 13.34/7.59 - InvariantResult [Line: 23]: Loop Invariant 13.34/7.59 Derived loop invariant: 1 13.34/7.59 - StatisticsResult: Ultimate Automizer benchmark data 13.34/7.59 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 13.34/7.59 - StatisticsResult: Constructed decomposition of program 13.34/7.59 Trivial decomposition into one nonterminating module. 13.34/7.59 - StatisticsResult: Timing statistics 13.34/7.59 BüchiAutomizer plugin needed 0.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: inital14 mio100 ax100 hnf107 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 13.34/7.59 - TerminationAnalysisResult: Nontermination possible 13.34/7.59 Buchi Automizer proved that your program is nonterminating for some inputs 13.34/7.59 - GeometricNonTerminationArgumentResult [Line: 23]: Nontermination argument in form of an infinite program execution. 13.34/7.59 Nontermination argument in form of an infinite execution 13.34/7.59 {|ULTIMATE.start_main_#t~nondet0|=0, ULTIMATE.start_main_~y~0=10, |ULTIMATE.start_main_#t~nondet1|=0, |ULTIMATE.start_main_#t~post2|=0, ULTIMATE.start_main_~x~0=-9, |ULTIMATE.start_main_#res|=0} 13.34/7.59 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7293183f=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@759ecc31=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@105f041e=0, x=-9, y=10} 13.34/7.59 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7293183f=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@759ecc31=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@105f041e=0, x=-10, y=11} 13.34/7.59 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7293183f=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@759ecc31=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@105f041e=0, x=-11, y=12} 13.34/7.59 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7293183f=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@759ecc31=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@105f041e=0, x=-12, y=13} 13.34/7.59 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7293183f=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@759ecc31=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@105f041e=0, x=-13, y=14} 13.34/7.59 - StatisticsResult: NonterminationArgumentStatistics 13.34/7.59 Unbounded Execution 1GEVs Lambdas: [8, 1, 0] Mus: [0, 1] 13.34/7.59 - NonterminatingLassoResult [Line: 23]: Nonterminating execution 13.34/7.59 Found a nonterminating execution for the following lasso shaped sequence of statements. 13.34/7.59 Stem: 13.34/7.59 [L21] int x = __VERIFIER_nondet_int(); 13.34/7.59 [L22] int y = __VERIFIER_nondet_int(); 13.34/7.59 Loop: 13.34/7.59 [L23] COND TRUE x < 10 13.34/7.59 [L24] x = -y 13.34/7.59 [L25] y++ 13.34/7.59 End of lasso representation. 13.34/7.59 RESULT: Ultimate proved your program to be incorrect! 13.34/7.59 !SESSION 2019-03-28 12:03:16.110 ----------------------------------------------- 13.34/7.59 eclipse.buildId=unknown 13.34/7.59 java.version=1.8.0_181 13.34/7.59 java.vendor=Oracle Corporation 13.34/7.59 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.34/7.59 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.34/7.59 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 13.34/7.59 13.34/7.59 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:03:21.976 13.34/7.59 !MESSAGE The workspace will exit with unsaved changes in this session. 13.34/7.59 Received shutdown request... 13.34/7.59 Ultimate: 13.34/7.59 GTK+ Version Check 13.34/7.59 EOF