15.10/6.70 YES 15.10/6.70 15.10/6.70 Ultimate: Cannot open display: 15.10/6.70 This is Ultimate 0.1.24-8dc7c08-m 15.10/6.70 [2019-03-28 12:05:00,814 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.10/6.70 [2019-03-28 12:05:00,817 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.10/6.70 [2019-03-28 12:05:00,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.10/6.70 [2019-03-28 12:05:00,829 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.10/6.70 [2019-03-28 12:05:00,830 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.10/6.70 [2019-03-28 12:05:00,831 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.10/6.70 [2019-03-28 12:05:00,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.10/6.70 [2019-03-28 12:05:00,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.10/6.70 [2019-03-28 12:05:00,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.10/6.70 [2019-03-28 12:05:00,836 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.10/6.70 [2019-03-28 12:05:00,836 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.10/6.70 [2019-03-28 12:05:00,837 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.10/6.70 [2019-03-28 12:05:00,838 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.10/6.70 [2019-03-28 12:05:00,839 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.10/6.70 [2019-03-28 12:05:00,840 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.10/6.70 [2019-03-28 12:05:00,840 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.10/6.70 [2019-03-28 12:05:00,842 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.10/6.70 [2019-03-28 12:05:00,844 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.10/6.70 [2019-03-28 12:05:00,846 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.10/6.70 [2019-03-28 12:05:00,847 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.10/6.70 [2019-03-28 12:05:00,848 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.10/6.70 [2019-03-28 12:05:00,850 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.10/6.70 [2019-03-28 12:05:00,851 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.10/6.70 [2019-03-28 12:05:00,851 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.10/6.70 [2019-03-28 12:05:00,852 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.10/6.70 [2019-03-28 12:05:00,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.10/6.70 [2019-03-28 12:05:00,853 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.10/6.70 [2019-03-28 12:05:00,853 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.10/6.70 [2019-03-28 12:05:00,854 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.10/6.70 [2019-03-28 12:05:00,855 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.10/6.70 [2019-03-28 12:05:00,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.10/6.70 [2019-03-28 12:05:00,857 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.10/6.70 [2019-03-28 12:05:00,857 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.10/6.70 [2019-03-28 12:05:00,858 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.10/6.70 [2019-03-28 12:05:00,858 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.10/6.70 [2019-03-28 12:05:00,858 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.10/6.70 [2019-03-28 12:05:00,859 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.10/6.70 [2019-03-28 12:05:00,859 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.10/6.70 [2019-03-28 12:05:00,860 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 15.10/6.70 [2019-03-28 12:05:00,875 INFO L110 SettingsManager]: Loading preferences was successful 15.10/6.70 [2019-03-28 12:05:00,875 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.10/6.70 [2019-03-28 12:05:00,876 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.10/6.70 [2019-03-28 12:05:00,876 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.10/6.70 [2019-03-28 12:05:00,876 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.10/6.70 [2019-03-28 12:05:00,877 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.10/6.70 [2019-03-28 12:05:00,877 INFO L133 SettingsManager]: * Use SBE=true 15.10/6.70 [2019-03-28 12:05:00,877 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.10/6.70 [2019-03-28 12:05:00,877 INFO L133 SettingsManager]: * Use old map elimination=false 15.10/6.70 [2019-03-28 12:05:00,877 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.10/6.70 [2019-03-28 12:05:00,877 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.10/6.70 [2019-03-28 12:05:00,878 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.10/6.70 [2019-03-28 12:05:00,878 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.10/6.70 [2019-03-28 12:05:00,878 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.10/6.70 [2019-03-28 12:05:00,878 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.10/6.70 [2019-03-28 12:05:00,878 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.10/6.70 [2019-03-28 12:05:00,878 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.10/6.70 [2019-03-28 12:05:00,879 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.10/6.70 [2019-03-28 12:05:00,879 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.10/6.70 [2019-03-28 12:05:00,879 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.10/6.70 [2019-03-28 12:05:00,879 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.10/6.70 [2019-03-28 12:05:00,879 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.10/6.70 [2019-03-28 12:05:00,880 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.10/6.70 [2019-03-28 12:05:00,880 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.10/6.70 [2019-03-28 12:05:00,880 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.10/6.70 [2019-03-28 12:05:00,880 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.10/6.70 [2019-03-28 12:05:00,880 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.10/6.70 [2019-03-28 12:05:00,880 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.10/6.70 [2019-03-28 12:05:00,881 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.10/6.70 [2019-03-28 12:05:00,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.10/6.70 [2019-03-28 12:05:00,920 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.10/6.70 [2019-03-28 12:05:00,924 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.10/6.70 [2019-03-28 12:05:00,926 INFO L271 PluginConnector]: Initializing CDTParser... 15.10/6.70 [2019-03-28 12:05:00,926 INFO L276 PluginConnector]: CDTParser initialized 15.10/6.70 [2019-03-28 12:05:00,927 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 15.10/6.70 [2019-03-28 12:05:01,016 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/fe0dc2ce78254206afd4783b0ffd332f/FLAGca3c53ff1 15.10/6.70 [2019-03-28 12:05:01,355 INFO L307 CDTParser]: Found 1 translation units. 15.10/6.70 [2019-03-28 12:05:01,355 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 15.10/6.70 [2019-03-28 12:05:01,362 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/fe0dc2ce78254206afd4783b0ffd332f/FLAGca3c53ff1 15.10/6.70 [2019-03-28 12:05:01,766 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/fe0dc2ce78254206afd4783b0ffd332f 15.10/6.70 [2019-03-28 12:05:01,778 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.10/6.70 [2019-03-28 12:05:01,779 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.10/6.70 [2019-03-28 12:05:01,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.10/6.70 [2019-03-28 12:05:01,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.10/6.70 [2019-03-28 12:05:01,784 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.10/6.70 [2019-03-28 12:05:01,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:05:01" (1/1) ... 15.10/6.70 [2019-03-28 12:05:01,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bbb6516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:01, skipping insertion in model container 15.11/6.70 [2019-03-28 12:05:01,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:05:01" (1/1) ... 15.11/6.70 [2019-03-28 12:05:01,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.11/6.70 [2019-03-28 12:05:01,813 INFO L176 MainTranslator]: Built tables and reachable declarations 15.11/6.70 [2019-03-28 12:05:01,970 INFO L206 PostProcessor]: Analyzing one entry point: main 15.11/6.70 [2019-03-28 12:05:01,975 INFO L191 MainTranslator]: Completed pre-run 15.11/6.70 [2019-03-28 12:05:01,991 INFO L206 PostProcessor]: Analyzing one entry point: main 15.11/6.70 [2019-03-28 12:05:02,006 INFO L195 MainTranslator]: Completed translation 15.11/6.70 [2019-03-28 12:05:02,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02 WrapperNode 15.11/6.70 [2019-03-28 12:05:02,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.11/6.70 [2019-03-28 12:05:02,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.11/6.70 [2019-03-28 12:05:02,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.11/6.70 [2019-03-28 12:05:02,008 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.11/6.70 [2019-03-28 12:05:02,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02" (1/1) ... 15.11/6.70 [2019-03-28 12:05:02,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02" (1/1) ... 15.11/6.70 [2019-03-28 12:05:02,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.11/6.70 [2019-03-28 12:05:02,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.11/6.70 [2019-03-28 12:05:02,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.11/6.70 [2019-03-28 12:05:02,104 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.11/6.70 [2019-03-28 12:05:02,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02" (1/1) ... 15.11/6.70 [2019-03-28 12:05:02,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02" (1/1) ... 15.11/6.70 [2019-03-28 12:05:02,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02" (1/1) ... 15.11/6.70 [2019-03-28 12:05:02,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02" (1/1) ... 15.11/6.70 [2019-03-28 12:05:02,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02" (1/1) ... 15.11/6.70 [2019-03-28 12:05:02,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02" (1/1) ... 15.11/6.70 [2019-03-28 12:05:02,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02" (1/1) ... 15.11/6.70 [2019-03-28 12:05:02,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.11/6.70 [2019-03-28 12:05:02,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.11/6.70 [2019-03-28 12:05:02,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.11/6.70 [2019-03-28 12:05:02,125 INFO L276 PluginConnector]: RCFGBuilder initialized 15.11/6.70 [2019-03-28 12:05:02,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02" (1/1) ... 15.11/6.70 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.11/6.70 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.11/6.70 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.11/6.70 [2019-03-28 12:05:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.11/6.70 [2019-03-28 12:05:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.11/6.70 [2019-03-28 12:05:02,333 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.11/6.70 [2019-03-28 12:05:02,334 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 15.11/6.70 [2019-03-28 12:05:02,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:05:02 BoogieIcfgContainer 15.11/6.70 [2019-03-28 12:05:02,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.11/6.70 [2019-03-28 12:05:02,336 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.11/6.70 [2019-03-28 12:05:02,336 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.11/6.70 [2019-03-28 12:05:02,338 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.11/6.70 [2019-03-28 12:05:02,339 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:05:02" (1/1) ... 15.11/6.70 [2019-03-28 12:05:02,355 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 13 edges 15.11/6.70 [2019-03-28 12:05:02,357 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.11/6.70 [2019-03-28 12:05:02,357 INFO L263 BlockEncoder]: Using Maximize final states 15.11/6.70 [2019-03-28 12:05:02,358 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.11/6.70 [2019-03-28 12:05:02,358 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.11/6.70 [2019-03-28 12:05:02,360 INFO L296 BlockEncoder]: Using Remove sink states 15.11/6.70 [2019-03-28 12:05:02,361 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.11/6.70 [2019-03-28 12:05:02,361 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.11/6.70 [2019-03-28 12:05:02,376 INFO L185 BlockEncoder]: Using Use SBE 15.11/6.70 [2019-03-28 12:05:02,386 INFO L200 BlockEncoder]: SBE split 0 edges 15.11/6.70 [2019-03-28 12:05:02,392 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.11/6.70 [2019-03-28 12:05:02,395 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.11/6.70 [2019-03-28 12:05:02,410 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 15.11/6.70 [2019-03-28 12:05:02,412 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.11/6.70 [2019-03-28 12:05:02,414 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.11/6.70 [2019-03-28 12:05:02,414 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.11/6.70 [2019-03-28 12:05:02,414 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.11/6.70 [2019-03-28 12:05:02,415 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.11/6.70 [2019-03-28 12:05:02,415 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 7 edges 15.11/6.70 [2019-03-28 12:05:02,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:05:02 BasicIcfg 15.11/6.70 [2019-03-28 12:05:02,416 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.11/6.70 [2019-03-28 12:05:02,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.11/6.70 [2019-03-28 12:05:02,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.11/6.70 [2019-03-28 12:05:02,420 INFO L276 PluginConnector]: TraceAbstraction initialized 15.11/6.70 [2019-03-28 12:05:02,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:05:01" (1/4) ... 15.11/6.70 [2019-03-28 12:05:02,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d3155d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:05:02, skipping insertion in model container 15.11/6.70 [2019-03-28 12:05:02,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02" (2/4) ... 15.11/6.70 [2019-03-28 12:05:02,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d3155d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:05:02, skipping insertion in model container 15.11/6.70 [2019-03-28 12:05:02,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:05:02" (3/4) ... 15.11/6.70 [2019-03-28 12:05:02,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d3155d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:05:02, skipping insertion in model container 15.11/6.70 [2019-03-28 12:05:02,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:05:02" (4/4) ... 15.11/6.70 [2019-03-28 12:05:02,425 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.11/6.70 [2019-03-28 12:05:02,437 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.11/6.70 [2019-03-28 12:05:02,445 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.11/6.70 [2019-03-28 12:05:02,463 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.11/6.70 [2019-03-28 12:05:02,492 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.11/6.70 [2019-03-28 12:05:02,493 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.11/6.70 [2019-03-28 12:05:02,493 INFO L383 AbstractCegarLoop]: Hoare is true 15.11/6.70 [2019-03-28 12:05:02,493 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.11/6.70 [2019-03-28 12:05:02,493 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.11/6.70 [2019-03-28 12:05:02,493 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.11/6.70 [2019-03-28 12:05:02,494 INFO L387 AbstractCegarLoop]: Difference is false 15.11/6.70 [2019-03-28 12:05:02,494 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.11/6.70 [2019-03-28 12:05:02,494 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.11/6.70 [2019-03-28 12:05:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 15.11/6.70 [2019-03-28 12:05:02,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.11/6.70 [2019-03-28 12:05:02,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 15.11/6.70 [2019-03-28 12:05:02,567 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.11/6.70 [2019-03-28 12:05:02,567 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 14) no Hoare annotation was computed. 15.11/6.70 [2019-03-28 12:05:02,567 INFO L448 ceAbstractionStarter]: For program point L10-2(lines 7 15) no Hoare annotation was computed. 15.11/6.70 [2019-03-28 12:05:02,568 INFO L448 ceAbstractionStarter]: For program point L7(lines 7 15) no Hoare annotation was computed. 15.11/6.70 [2019-03-28 12:05:02,568 INFO L451 ceAbstractionStarter]: At program point L6-2(lines 6 17) the Hoare annotation is: true 15.11/6.70 [2019-03-28 12:05:02,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:05:02 BasicIcfg 15.11/6.70 [2019-03-28 12:05:02,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.11/6.70 [2019-03-28 12:05:02,577 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.11/6.70 [2019-03-28 12:05:02,577 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.11/6.70 [2019-03-28 12:05:02,581 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.11/6.70 [2019-03-28 12:05:02,581 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.11/6.70 [2019-03-28 12:05:02,582 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:05:01" (1/5) ... 15.11/6.70 [2019-03-28 12:05:02,582 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e5dc6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:05:02, skipping insertion in model container 15.11/6.70 [2019-03-28 12:05:02,582 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.11/6.70 [2019-03-28 12:05:02,583 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:02" (2/5) ... 15.11/6.70 [2019-03-28 12:05:02,583 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e5dc6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:05:02, skipping insertion in model container 15.11/6.70 [2019-03-28 12:05:02,583 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.11/6.70 [2019-03-28 12:05:02,583 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:05:02" (3/5) ... 15.11/6.70 [2019-03-28 12:05:02,584 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e5dc6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:05:02, skipping insertion in model container 15.11/6.70 [2019-03-28 12:05:02,584 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.11/6.70 [2019-03-28 12:05:02,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:05:02" (4/5) ... 15.11/6.70 [2019-03-28 12:05:02,584 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e5dc6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:05:02, skipping insertion in model container 15.11/6.70 [2019-03-28 12:05:02,584 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.11/6.70 [2019-03-28 12:05:02,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:05:02" (5/5) ... 15.11/6.70 [2019-03-28 12:05:02,586 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.11/6.70 [2019-03-28 12:05:02,612 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.11/6.70 [2019-03-28 12:05:02,612 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.11/6.70 [2019-03-28 12:05:02,612 INFO L375 BuchiCegarLoop]: Hoare is true 15.11/6.70 [2019-03-28 12:05:02,612 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.11/6.70 [2019-03-28 12:05:02,612 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.11/6.70 [2019-03-28 12:05:02,613 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.11/6.70 [2019-03-28 12:05:02,613 INFO L379 BuchiCegarLoop]: Difference is false 15.11/6.70 [2019-03-28 12:05:02,613 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.11/6.70 [2019-03-28 12:05:02,613 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.11/6.70 [2019-03-28 12:05:02,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 15.11/6.70 [2019-03-28 12:05:02,633 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.11/6.70 [2019-03-28 12:05:02,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.11/6.70 [2019-03-28 12:05:02,634 INFO L119 BuchiIsEmpty]: Starting construction of run 15.11/6.70 [2019-03-28 12:05:02,639 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.11/6.70 [2019-03-28 12:05:02,639 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.11/6.70 [2019-03-28 12:05:02,639 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.11/6.70 [2019-03-28 12:05:02,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 15.11/6.70 [2019-03-28 12:05:02,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.11/6.70 [2019-03-28 12:05:02,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.11/6.70 [2019-03-28 12:05:02,640 INFO L119 BuchiIsEmpty]: Starting construction of run 15.11/6.70 [2019-03-28 12:05:02,641 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.11/6.70 [2019-03-28 12:05:02,641 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.11/6.70 [2019-03-28 12:05:02,646 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 7#L6-2true 15.11/6.70 [2019-03-28 12:05:02,647 INFO L796 eck$LassoCheckResult]: Loop: 7#L6-2true [44] L6-2-->L7: Formula: (< 0 (+ v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 5#L7true [36] L7-->L10-2: Formula: (and (< 0 v_ULTIMATE.start_test_fun_~x_6) (= v_ULTIMATE.start_test_fun_~x_5 (+ v_ULTIMATE.start_test_fun_~x_6 (- 1)))) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_5} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 6#L10-2true [39] L10-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 7#L6-2true 15.11/6.70 [2019-03-28 12:05:02,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.11/6.70 [2019-03-28 12:05:02,653 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 15.11/6.70 [2019-03-28 12:05:02,655 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.11/6.70 [2019-03-28 12:05:02,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.11/6.70 [2019-03-28 12:05:02,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:02,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:02,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:02,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.11/6.70 [2019-03-28 12:05:02,725 INFO L82 PathProgramCache]: Analyzing trace with hash 73230, now seen corresponding path program 1 times 15.11/6.70 [2019-03-28 12:05:02,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.11/6.70 [2019-03-28 12:05:02,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.11/6.70 [2019-03-28 12:05:02,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:02,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:02,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:02,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.11/6.70 [2019-03-28 12:05:02,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1979854, now seen corresponding path program 1 times 15.11/6.70 [2019-03-28 12:05:02,740 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.11/6.70 [2019-03-28 12:05:02,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.11/6.70 [2019-03-28 12:05:02,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:02,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:02,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:02,800 INFO L216 LassoAnalysis]: Preferences: 15.11/6.70 [2019-03-28 12:05:02,801 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.11/6.70 [2019-03-28 12:05:02,801 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.11/6.70 [2019-03-28 12:05:02,802 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.11/6.70 [2019-03-28 12:05:02,802 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.11/6.70 [2019-03-28 12:05:02,802 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.11/6.70 [2019-03-28 12:05:02,802 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.11/6.70 [2019-03-28 12:05:02,802 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.11/6.70 [2019-03-28 12:05:02,802 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.11/6.70 [2019-03-28 12:05:02,803 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.11/6.70 [2019-03-28 12:05:02,803 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.11/6.70 [2019-03-28 12:05:02,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.11/6.70 [2019-03-28 12:05:02,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.11/6.70 [2019-03-28 12:05:02,903 INFO L300 LassoAnalysis]: Preprocessing complete. 15.11/6.70 [2019-03-28 12:05:02,904 INFO L412 LassoAnalysis]: Checking for nontermination... 15.11/6.70 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.11/6.70 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.11/6.70 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.11/6.70 [2019-03-28 12:05:02,913 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.11/6.70 [2019-03-28 12:05:02,914 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.11/6.70 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.11/6.70 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.11/6.70 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.11/6.70 [2019-03-28 12:05:02,947 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.11/6.70 [2019-03-28 12:05:02,948 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.11/6.70 [2019-03-28 12:05:02,971 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.11/6.70 [2019-03-28 12:05:02,971 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 15.11/6.70 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.11/6.70 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.11/6.70 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.11/6.70 [2019-03-28 12:05:02,999 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.11/6.70 [2019-03-28 12:05:03,000 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.11/6.70 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.11/6.70 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.11/6.70 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.11/6.70 [2019-03-28 12:05:03,032 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.11/6.70 [2019-03-28 12:05:03,032 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.11/6.70 [2019-03-28 12:05:03,066 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.11/6.70 [2019-03-28 12:05:03,069 INFO L216 LassoAnalysis]: Preferences: 15.11/6.70 [2019-03-28 12:05:03,069 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.11/6.70 [2019-03-28 12:05:03,069 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.11/6.70 [2019-03-28 12:05:03,069 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.11/6.70 [2019-03-28 12:05:03,069 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.11/6.70 [2019-03-28 12:05:03,069 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.11/6.70 [2019-03-28 12:05:03,070 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.11/6.70 [2019-03-28 12:05:03,070 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.11/6.70 [2019-03-28 12:05:03,070 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.11/6.70 [2019-03-28 12:05:03,070 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.11/6.70 [2019-03-28 12:05:03,070 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.11/6.70 [2019-03-28 12:05:03,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.11/6.70 [2019-03-28 12:05:03,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.11/6.70 [2019-03-28 12:05:03,139 INFO L300 LassoAnalysis]: Preprocessing complete. 15.11/6.70 [2019-03-28 12:05:03,145 INFO L497 LassoAnalysis]: Using template 'affine'. 15.11/6.70 [2019-03-28 12:05:03,147 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.11/6.70 Termination analysis: LINEAR_WITH_GUESSES 15.11/6.70 Number of strict supporting invariants: 0 15.11/6.70 Number of non-strict supporting invariants: 1 15.11/6.70 Consider only non-deceasing supporting invariants: true 15.11/6.70 Simplify termination arguments: true 15.11/6.70 Simplify supporting invariants: trueOverapproximate stem: false 15.11/6.70 [2019-03-28 12:05:03,149 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.11/6.70 [2019-03-28 12:05:03,149 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.11/6.70 [2019-03-28 12:05:03,150 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.11/6.70 [2019-03-28 12:05:03,150 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.11/6.70 [2019-03-28 12:05:03,150 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.11/6.70 [2019-03-28 12:05:03,152 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.11/6.70 [2019-03-28 12:05:03,153 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.11/6.70 [2019-03-28 12:05:03,161 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.11/6.70 [2019-03-28 12:05:03,161 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.11/6.70 Termination analysis: LINEAR_WITH_GUESSES 15.11/6.70 Number of strict supporting invariants: 0 15.11/6.70 Number of non-strict supporting invariants: 1 15.11/6.70 Consider only non-deceasing supporting invariants: true 15.11/6.70 Simplify termination arguments: true 15.11/6.70 Simplify supporting invariants: trueOverapproximate stem: false 15.11/6.70 [2019-03-28 12:05:03,162 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.11/6.70 [2019-03-28 12:05:03,162 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.11/6.70 [2019-03-28 12:05:03,162 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.11/6.70 [2019-03-28 12:05:03,163 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.11/6.70 [2019-03-28 12:05:03,163 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.11/6.70 [2019-03-28 12:05:03,164 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.11/6.70 [2019-03-28 12:05:03,164 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.11/6.70 [2019-03-28 12:05:03,170 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.11/6.70 [2019-03-28 12:05:03,176 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.11/6.70 [2019-03-28 12:05:03,176 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.11/6.70 [2019-03-28 12:05:03,179 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.11/6.70 [2019-03-28 12:05:03,179 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.11/6.70 [2019-03-28 12:05:03,179 INFO L518 LassoAnalysis]: Proved termination. 15.11/6.70 [2019-03-28 12:05:03,180 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.11/6.70 Ranking function f(ULTIMATE.start_test_fun_~x) = 1*ULTIMATE.start_test_fun_~x 15.11/6.70 Supporting invariants [] 15.11/6.70 [2019-03-28 12:05:03,181 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.11/6.70 [2019-03-28 12:05:03,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.11/6.70 [2019-03-28 12:05:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.11/6.70 [2019-03-28 12:05:03,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 15.11/6.70 [2019-03-28 12:05:03,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.11/6.70 [2019-03-28 12:05:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.11/6.70 [2019-03-28 12:05:03,249 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.11/6.70 [2019-03-28 12:05:03,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.11/6.70 [2019-03-28 12:05:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.11/6.70 [2019-03-28 12:05:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.11/6.70 [2019-03-28 12:05:03,310 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.11/6.70 [2019-03-28 12:05:03,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.11/6.70 [2019-03-28 12:05:03,312 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 15.11/6.70 [2019-03-28 12:05:03,317 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 15.11/6.70 [2019-03-28 12:05:03,318 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states. Second operand 4 states. 15.11/6.70 [2019-03-28 12:05:03,353 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states.. Second operand 4 states. Result 13 states and 18 transitions. Complement of second has 4 states. 15.11/6.70 [2019-03-28 12:05:03,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.11/6.70 [2019-03-28 12:05:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.11/6.70 [2019-03-28 12:05:03,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. 15.11/6.70 [2019-03-28 12:05:03,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 1 letters. Loop has 3 letters. 15.11/6.70 [2019-03-28 12:05:03,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.11/6.70 [2019-03-28 12:05:03,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 4 letters. Loop has 3 letters. 15.11/6.70 [2019-03-28 12:05:03,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.11/6.70 [2019-03-28 12:05:03,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 1 letters. Loop has 6 letters. 15.11/6.70 [2019-03-28 12:05:03,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.11/6.70 [2019-03-28 12:05:03,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. 15.11/6.70 [2019-03-28 12:05:03,368 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.11/6.70 [2019-03-28 12:05:03,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. 15.11/6.70 [2019-03-28 12:05:03,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 15.11/6.70 [2019-03-28 12:05:03,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 15.11/6.70 [2019-03-28 12:05:03,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. 15.11/6.70 [2019-03-28 12:05:03,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.11/6.70 [2019-03-28 12:05:03,375 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. 15.11/6.70 [2019-03-28 12:05:03,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. 15.11/6.70 [2019-03-28 12:05:03,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. 15.11/6.70 [2019-03-28 12:05:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 15.11/6.70 [2019-03-28 12:05:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. 15.11/6.70 [2019-03-28 12:05:03,404 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. 15.11/6.70 [2019-03-28 12:05:03,404 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. 15.11/6.70 [2019-03-28 12:05:03,404 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.11/6.70 [2019-03-28 12:05:03,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. 15.11/6.70 [2019-03-28 12:05:03,405 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.11/6.70 [2019-03-28 12:05:03,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.11/6.70 [2019-03-28 12:05:03,406 INFO L119 BuchiIsEmpty]: Starting construction of run 15.11/6.70 [2019-03-28 12:05:03,406 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.11/6.70 [2019-03-28 12:05:03,406 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.11/6.70 [2019-03-28 12:05:03,406 INFO L794 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 66#L6-2 [44] L6-2-->L7: Formula: (< 0 (+ v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 67#L7 15.11/6.70 [2019-03-28 12:05:03,407 INFO L796 eck$LassoCheckResult]: Loop: 67#L7 [46] L7-->L10: Formula: (>= 0 v_ULTIMATE.start_test_fun_~x_7) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[] 61#L10 [32] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_test_fun_~y_5 (+ v_ULTIMATE.start_test_fun_~y_6 (- 1))) (< 0 v_ULTIMATE.start_test_fun_~y_6)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 62#L10-2 [39] L10-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 70#L6-2 [44] L6-2-->L7: Formula: (< 0 (+ v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 67#L7 15.11/6.70 [2019-03-28 12:05:03,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.11/6.70 [2019-03-28 12:05:03,407 INFO L82 PathProgramCache]: Analyzing trace with hash 2059, now seen corresponding path program 1 times 15.11/6.70 [2019-03-28 12:05:03,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.11/6.70 [2019-03-28 12:05:03,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.11/6.70 [2019-03-28 12:05:03,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:03,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.11/6.70 [2019-03-28 12:05:03,416 INFO L82 PathProgramCache]: Analyzing trace with hash 2325912, now seen corresponding path program 1 times 15.11/6.70 [2019-03-28 12:05:03,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.11/6.70 [2019-03-28 12:05:03,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.11/6.70 [2019-03-28 12:05:03,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:03,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.11/6.70 [2019-03-28 12:05:03,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1902932130, now seen corresponding path program 1 times 15.11/6.70 [2019-03-28 12:05:03,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.11/6.70 [2019-03-28 12:05:03,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.11/6.70 [2019-03-28 12:05:03,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:03,467 INFO L216 LassoAnalysis]: Preferences: 15.11/6.70 [2019-03-28 12:05:03,467 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.11/6.70 [2019-03-28 12:05:03,467 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.11/6.70 [2019-03-28 12:05:03,468 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.11/6.70 [2019-03-28 12:05:03,468 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.11/6.70 [2019-03-28 12:05:03,468 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.11/6.70 [2019-03-28 12:05:03,468 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.11/6.70 [2019-03-28 12:05:03,468 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.11/6.70 [2019-03-28 12:05:03,468 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.11/6.70 [2019-03-28 12:05:03,468 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.11/6.70 [2019-03-28 12:05:03,469 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.11/6.70 [2019-03-28 12:05:03,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.11/6.70 [2019-03-28 12:05:03,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.11/6.70 [2019-03-28 12:05:03,509 INFO L300 LassoAnalysis]: Preprocessing complete. 15.11/6.70 [2019-03-28 12:05:03,509 INFO L412 LassoAnalysis]: Checking for nontermination... 15.11/6.70 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.11/6.70 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.11/6.70 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.11/6.70 [2019-03-28 12:05:03,513 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.11/6.70 [2019-03-28 12:05:03,514 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.11/6.70 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.11/6.70 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.11/6.70 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.11/6.70 [2019-03-28 12:05:03,545 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.11/6.70 [2019-03-28 12:05:03,545 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.11/6.70 [2019-03-28 12:05:03,673 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.11/6.70 [2019-03-28 12:05:03,676 INFO L216 LassoAnalysis]: Preferences: 15.11/6.70 [2019-03-28 12:05:03,676 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.11/6.70 [2019-03-28 12:05:03,676 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.11/6.70 [2019-03-28 12:05:03,676 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.11/6.70 [2019-03-28 12:05:03,676 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.11/6.70 [2019-03-28 12:05:03,676 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.11/6.70 [2019-03-28 12:05:03,677 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.11/6.70 [2019-03-28 12:05:03,677 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.11/6.70 [2019-03-28 12:05:03,677 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.11/6.70 [2019-03-28 12:05:03,677 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.11/6.70 [2019-03-28 12:05:03,677 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.11/6.70 [2019-03-28 12:05:03,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.11/6.70 [2019-03-28 12:05:03,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.11/6.70 [2019-03-28 12:05:03,725 INFO L300 LassoAnalysis]: Preprocessing complete. 15.11/6.70 [2019-03-28 12:05:03,725 INFO L497 LassoAnalysis]: Using template 'affine'. 15.11/6.70 [2019-03-28 12:05:03,725 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.11/6.70 Termination analysis: LINEAR_WITH_GUESSES 15.11/6.70 Number of strict supporting invariants: 0 15.11/6.70 Number of non-strict supporting invariants: 1 15.11/6.70 Consider only non-deceasing supporting invariants: true 15.11/6.70 Simplify termination arguments: true 15.11/6.70 Simplify supporting invariants: trueOverapproximate stem: false 15.11/6.70 [2019-03-28 12:05:03,726 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.11/6.70 [2019-03-28 12:05:03,726 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.11/6.70 [2019-03-28 12:05:03,727 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.11/6.70 [2019-03-28 12:05:03,727 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.11/6.70 [2019-03-28 12:05:03,727 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.11/6.70 [2019-03-28 12:05:03,728 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.11/6.70 [2019-03-28 12:05:03,728 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.11/6.70 [2019-03-28 12:05:03,734 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.11/6.70 [2019-03-28 12:05:03,743 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. 15.11/6.70 [2019-03-28 12:05:03,744 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 15.11/6.70 [2019-03-28 12:05:03,744 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.11/6.70 [2019-03-28 12:05:03,744 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.11/6.70 [2019-03-28 12:05:03,744 INFO L518 LassoAnalysis]: Proved termination. 15.11/6.70 [2019-03-28 12:05:03,745 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.11/6.70 Ranking function f(ULTIMATE.start_test_fun_~y) = 1*ULTIMATE.start_test_fun_~y 15.11/6.70 Supporting invariants [] 15.11/6.70 [2019-03-28 12:05:03,745 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.11/6.70 [2019-03-28 12:05:03,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.11/6.70 [2019-03-28 12:05:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.11/6.70 [2019-03-28 12:05:03,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core 15.11/6.70 [2019-03-28 12:05:03,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.11/6.70 [2019-03-28 12:05:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.11/6.70 [2019-03-28 12:05:03,785 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core 15.11/6.70 [2019-03-28 12:05:03,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.11/6.70 [2019-03-28 12:05:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.11/6.70 [2019-03-28 12:05:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.11/6.70 [2019-03-28 12:05:03,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 15.11/6.70 [2019-03-28 12:05:03,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.11/6.70 [2019-03-28 12:05:03,838 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 15.11/6.70 [2019-03-28 12:05:03,839 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 15.11/6.70 [2019-03-28 12:05:03,839 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 11 states and 16 transitions. cyclomatic complexity: 7 Second operand 4 states. 15.11/6.70 [2019-03-28 12:05:03,892 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 11 states and 16 transitions. cyclomatic complexity: 7. Second operand 4 states. Result 61 states and 86 transitions. Complement of second has 20 states. 15.11/6.70 [2019-03-28 12:05:03,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 2 non-accepting loop states 2 accepting loop states 15.11/6.70 [2019-03-28 12:05:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.11/6.70 [2019-03-28 12:05:03,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. 15.11/6.70 [2019-03-28 12:05:03,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 2 letters. Loop has 4 letters. 15.11/6.70 [2019-03-28 12:05:03,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.11/6.70 [2019-03-28 12:05:03,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 6 letters. Loop has 4 letters. 15.11/6.70 [2019-03-28 12:05:03,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.11/6.70 [2019-03-28 12:05:03,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 2 letters. Loop has 8 letters. 15.11/6.70 [2019-03-28 12:05:03,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.11/6.70 [2019-03-28 12:05:03,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 86 transitions. 15.11/6.70 [2019-03-28 12:05:03,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.11/6.70 [2019-03-28 12:05:03,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 24 states and 31 transitions. 15.11/6.70 [2019-03-28 12:05:03,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 15.11/6.70 [2019-03-28 12:05:03,903 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 15.11/6.70 [2019-03-28 12:05:03,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 31 transitions. 15.11/6.70 [2019-03-28 12:05:03,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.11/6.70 [2019-03-28 12:05:03,903 INFO L706 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. 15.11/6.70 [2019-03-28 12:05:03,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 31 transitions. 15.11/6.70 [2019-03-28 12:05:03,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. 15.11/6.70 [2019-03-28 12:05:03,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. 15.11/6.70 [2019-03-28 12:05:03,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. 15.11/6.70 [2019-03-28 12:05:03,906 INFO L729 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. 15.11/6.70 [2019-03-28 12:05:03,906 INFO L609 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. 15.11/6.70 [2019-03-28 12:05:03,906 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.11/6.70 [2019-03-28 12:05:03,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. 15.11/6.70 [2019-03-28 12:05:03,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.11/6.70 [2019-03-28 12:05:03,907 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.11/6.70 [2019-03-28 12:05:03,907 INFO L119 BuchiIsEmpty]: Starting construction of run 15.11/6.70 [2019-03-28 12:05:03,907 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.11/6.70 [2019-03-28 12:05:03,908 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.11/6.70 [2019-03-28 12:05:03,908 INFO L794 eck$LassoCheckResult]: Stem: 209#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 210#L6-2 [44] L6-2-->L7: Formula: (< 0 (+ v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 220#L7 [46] L7-->L10: Formula: (>= 0 v_ULTIMATE.start_test_fun_~x_7) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[] 204#L10 15.11/6.70 [2019-03-28 12:05:03,909 INFO L796 eck$LassoCheckResult]: Loop: 204#L10 [47] L10-->L10-2: Formula: (>= 0 v_ULTIMATE.start_test_fun_~y_7) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7} AuxVars[] AssignedVars[] 205#L10-2 [39] L10-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 214#L6-2 [44] L6-2-->L7: Formula: (< 0 (+ v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 211#L7 [46] L7-->L10: Formula: (>= 0 v_ULTIMATE.start_test_fun_~x_7) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[] 204#L10 15.11/6.70 [2019-03-28 12:05:03,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.11/6.70 [2019-03-28 12:05:03,909 INFO L82 PathProgramCache]: Analyzing trace with hash 63875, now seen corresponding path program 1 times 15.11/6.70 [2019-03-28 12:05:03,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.11/6.70 [2019-03-28 12:05:03,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.11/6.70 [2019-03-28 12:05:03,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.11/6.70 [2019-03-28 12:05:03,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.11/6.70 [2019-03-28 12:05:03,918 INFO L82 PathProgramCache]: Analyzing trace with hash 2362587, now seen corresponding path program 1 times 15.11/6.70 [2019-03-28 12:05:03,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.11/6.70 [2019-03-28 12:05:03,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.11/6.70 [2019-03-28 12:05:03,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.11/6.70 [2019-03-28 12:05:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.11/6.70 [2019-03-28 12:05:03,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.11/6.70 [2019-03-28 12:05:03,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.11/6.70 [2019-03-28 12:05:03,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 15.11/6.70 [2019-03-28 12:05:03,964 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.11/6.70 [2019-03-28 12:05:03,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 15.11/6.70 [2019-03-28 12:05:03,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 15.11/6.70 [2019-03-28 12:05:03,968 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 11 Second operand 4 states. 15.11/6.70 [2019-03-28 12:05:03,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.11/6.70 [2019-03-28 12:05:03,996 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. 15.11/6.70 [2019-03-28 12:05:03,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 15.11/6.70 [2019-03-28 12:05:03,998 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. 15.11/6.70 [2019-03-28 12:05:03,999 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.11/6.70 [2019-03-28 12:05:04,000 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. 15.11/6.70 [2019-03-28 12:05:04,000 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.11/6.70 [2019-03-28 12:05:04,000 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.11/6.70 [2019-03-28 12:05:04,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.11/6.70 [2019-03-28 12:05:04,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.11/6.70 [2019-03-28 12:05:04,000 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.11/6.70 [2019-03-28 12:05:04,000 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.11/6.70 [2019-03-28 12:05:04,000 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.11/6.70 [2019-03-28 12:05:04,001 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.11/6.70 [2019-03-28 12:05:04,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.11/6.70 [2019-03-28 12:05:04,001 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.11/6.70 [2019-03-28 12:05:04,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.11/6.70 [2019-03-28 12:05:04,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:05:04 BasicIcfg 15.11/6.70 [2019-03-28 12:05:04,008 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.11/6.70 [2019-03-28 12:05:04,008 INFO L168 Benchmark]: Toolchain (without parser) took 2230.02 ms. Allocated memory was 649.6 MB in the beginning and 670.0 MB in the end (delta: 20.4 MB). Free memory was 564.5 MB in the beginning and 464.3 MB in the end (delta: 100.2 MB). Peak memory consumption was 120.7 MB. Max. memory is 50.3 GB. 15.11/6.70 [2019-03-28 12:05:04,010 INFO L168 Benchmark]: CDTParser took 0.17 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. 15.11/6.70 [2019-03-28 12:05:04,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.94 ms. Allocated memory is still 649.6 MB. Free memory was 564.5 MB in the beginning and 554.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 15.11/6.70 [2019-03-28 12:05:04,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.99 ms. Allocated memory was 649.6 MB in the beginning and 670.0 MB in the end (delta: 20.4 MB). Free memory was 553.7 MB in the beginning and 636.9 MB in the end (delta: -83.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 15.11/6.70 [2019-03-28 12:05:04,012 INFO L168 Benchmark]: Boogie Preprocessor took 20.92 ms. Allocated memory is still 670.0 MB. Free memory was 636.9 MB in the beginning and 634.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.11/6.70 [2019-03-28 12:05:04,012 INFO L168 Benchmark]: RCFGBuilder took 210.56 ms. Allocated memory is still 670.0 MB. Free memory was 634.1 MB in the beginning and 619.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 50.3 GB. 15.11/6.70 [2019-03-28 12:05:04,013 INFO L168 Benchmark]: BlockEncodingV2 took 79.84 ms. Allocated memory is still 670.0 MB. Free memory was 619.4 MB in the beginning and 614.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.11/6.70 [2019-03-28 12:05:04,013 INFO L168 Benchmark]: TraceAbstraction took 160.05 ms. Allocated memory is still 670.0 MB. Free memory was 614.0 MB in the beginning and 605.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.11/6.70 [2019-03-28 12:05:04,014 INFO L168 Benchmark]: BuchiAutomizer took 1430.54 ms. Allocated memory is still 670.0 MB. Free memory was 604.3 MB in the beginning and 464.3 MB in the end (delta: 140.0 MB). Peak memory consumption was 140.0 MB. Max. memory is 50.3 GB. 15.11/6.70 [2019-03-28 12:05:04,018 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.11/6.70 --- Results --- 15.11/6.70 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.11/6.70 - StatisticsResult: Initial Icfg 15.11/6.70 10 locations, 13 edges 15.11/6.70 - StatisticsResult: Encoded RCFG 15.11/6.70 5 locations, 7 edges 15.11/6.70 * Results from de.uni_freiburg.informatik.ultimate.core: 15.11/6.70 - StatisticsResult: Toolchain Benchmarks 15.11/6.70 Benchmark results are: 15.11/6.70 * CDTParser took 0.17 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. 15.11/6.70 * CACSL2BoogieTranslator took 226.94 ms. Allocated memory is still 649.6 MB. Free memory was 564.5 MB in the beginning and 554.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 15.11/6.70 * Boogie Procedure Inliner took 95.99 ms. Allocated memory was 649.6 MB in the beginning and 670.0 MB in the end (delta: 20.4 MB). Free memory was 553.7 MB in the beginning and 636.9 MB in the end (delta: -83.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 15.11/6.70 * Boogie Preprocessor took 20.92 ms. Allocated memory is still 670.0 MB. Free memory was 636.9 MB in the beginning and 634.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.11/6.70 * RCFGBuilder took 210.56 ms. Allocated memory is still 670.0 MB. Free memory was 634.1 MB in the beginning and 619.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 50.3 GB. 15.11/6.70 * BlockEncodingV2 took 79.84 ms. Allocated memory is still 670.0 MB. Free memory was 619.4 MB in the beginning and 614.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.11/6.70 * TraceAbstraction took 160.05 ms. Allocated memory is still 670.0 MB. Free memory was 614.0 MB in the beginning and 605.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.11/6.70 * BuchiAutomizer took 1430.54 ms. Allocated memory is still 670.0 MB. Free memory was 604.3 MB in the beginning and 464.3 MB in the end (delta: 140.0 MB). Peak memory consumption was 140.0 MB. Max. memory is 50.3 GB. 15.11/6.70 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.11/6.70 - AllSpecificationsHoldResult: All specifications hold 15.11/6.70 We were not able to verify any specifiation because the program does not contain any specification. 15.11/6.70 - InvariantResult [Line: 6]: Loop Invariant 15.11/6.70 Derived loop invariant: 1 15.11/6.70 - StatisticsResult: Ultimate Automizer benchmark data 15.11/6.70 CFG has 1 procedures, 5 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=5occurred 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 15.11/6.70 - StatisticsResult: Constructed decomposition of program 15.11/6.70 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. 15.11/6.70 - StatisticsResult: Timing statistics 15.11/6.70 BüchiAutomizer plugin needed 1.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 21 SDtfs, 28 SDslu, 25 SDs, 0 SdLazy, 48 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp75 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf95 smp100 dnf100 smp100 tf110 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 15.11/6.70 - TerminationAnalysisResult: Termination proven 15.11/6.70 Buchi Automizer proved that your program is terminating 15.11/6.70 RESULT: Ultimate proved your program to be correct! 15.11/6.70 !SESSION 2019-03-28 12:04:58.485 ----------------------------------------------- 15.11/6.70 eclipse.buildId=unknown 15.11/6.70 java.version=1.8.0_181 15.11/6.70 java.vendor=Oracle Corporation 15.11/6.70 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.11/6.70 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.11/6.70 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.11/6.70 15.11/6.70 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:05:04.254 15.11/6.70 !MESSAGE The workspace will exit with unsaved changes in this session. 15.11/6.70 Received shutdown request... 15.11/6.70 Ultimate: 15.11/6.70 GTK+ Version Check 15.11/6.70 EOF