13.98/9.16 YES 13.98/9.16 13.98/9.17 Ultimate: Cannot open display: 13.98/9.17 This is Ultimate 0.1.24-8dc7c08-m 13.98/9.17 [2019-03-28 11:55:19,989 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.98/9.17 [2019-03-28 11:55:19,991 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.98/9.17 [2019-03-28 11:55:20,077 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.98/9.17 [2019-03-28 11:55:20,077 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.98/9.17 [2019-03-28 11:55:20,078 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.98/9.17 [2019-03-28 11:55:20,079 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.98/9.17 [2019-03-28 11:55:20,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.98/9.17 [2019-03-28 11:55:20,082 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.98/9.17 [2019-03-28 11:55:20,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.98/9.17 [2019-03-28 11:55:20,084 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.98/9.17 [2019-03-28 11:55:20,084 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.98/9.17 [2019-03-28 11:55:20,085 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.98/9.17 [2019-03-28 11:55:20,086 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.98/9.17 [2019-03-28 11:55:20,087 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.98/9.17 [2019-03-28 11:55:20,088 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.98/9.17 [2019-03-28 11:55:20,089 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.98/9.17 [2019-03-28 11:55:20,091 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.98/9.17 [2019-03-28 11:55:20,092 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.98/9.17 [2019-03-28 11:55:20,094 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.98/9.17 [2019-03-28 11:55:20,095 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.98/9.17 [2019-03-28 11:55:20,096 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.98/9.17 [2019-03-28 11:55:20,098 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.98/9.17 [2019-03-28 11:55:20,099 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.98/9.17 [2019-03-28 11:55:20,099 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.98/9.17 [2019-03-28 11:55:20,100 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.98/9.17 [2019-03-28 11:55:20,100 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.98/9.17 [2019-03-28 11:55:20,101 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.98/9.17 [2019-03-28 11:55:20,101 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.98/9.17 [2019-03-28 11:55:20,102 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.98/9.17 [2019-03-28 11:55:20,103 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.98/9.17 [2019-03-28 11:55:20,103 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.98/9.17 [2019-03-28 11:55:20,104 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.98/9.17 [2019-03-28 11:55:20,104 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.98/9.17 [2019-03-28 11:55:20,105 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.98/9.17 [2019-03-28 11:55:20,105 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.98/9.17 [2019-03-28 11:55:20,106 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.98/9.17 [2019-03-28 11:55:20,107 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.98/9.17 [2019-03-28 11:55:20,107 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.98/9.17 [2019-03-28 11:55:20,107 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 13.98/9.17 [2019-03-28 11:55:20,123 INFO L110 SettingsManager]: Loading preferences was successful 13.98/9.17 [2019-03-28 11:55:20,123 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.98/9.17 [2019-03-28 11:55:20,124 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.98/9.17 [2019-03-28 11:55:20,125 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.98/9.17 [2019-03-28 11:55:20,125 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.98/9.17 [2019-03-28 11:55:20,125 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.98/9.17 [2019-03-28 11:55:20,125 INFO L133 SettingsManager]: * Use SBE=true 13.98/9.17 [2019-03-28 11:55:20,125 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.98/9.17 [2019-03-28 11:55:20,125 INFO L133 SettingsManager]: * Use old map elimination=false 13.98/9.17 [2019-03-28 11:55:20,126 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.98/9.17 [2019-03-28 11:55:20,126 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.98/9.17 [2019-03-28 11:55:20,126 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.98/9.17 [2019-03-28 11:55:20,126 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.98/9.17 [2019-03-28 11:55:20,126 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.98/9.17 [2019-03-28 11:55:20,126 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.98/9.17 [2019-03-28 11:55:20,127 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.98/9.17 [2019-03-28 11:55:20,127 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.98/9.17 [2019-03-28 11:55:20,127 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.98/9.17 [2019-03-28 11:55:20,127 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.98/9.17 [2019-03-28 11:55:20,127 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.98/9.17 [2019-03-28 11:55:20,128 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.98/9.17 [2019-03-28 11:55:20,128 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.98/9.17 [2019-03-28 11:55:20,128 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.98/9.17 [2019-03-28 11:55:20,128 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.98/9.17 [2019-03-28 11:55:20,128 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.98/9.17 [2019-03-28 11:55:20,128 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.98/9.17 [2019-03-28 11:55:20,129 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.98/9.17 [2019-03-28 11:55:20,129 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.98/9.17 [2019-03-28 11:55:20,129 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.98/9.17 [2019-03-28 11:55:20,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.98/9.17 [2019-03-28 11:55:20,746 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.98/9.17 [2019-03-28 11:55:20,750 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.98/9.17 [2019-03-28 11:55:20,751 INFO L271 PluginConnector]: Initializing CDTParser... 13.98/9.17 [2019-03-28 11:55:20,752 INFO L276 PluginConnector]: CDTParser initialized 13.98/9.17 [2019-03-28 11:55:20,753 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 13.98/9.17 [2019-03-28 11:55:21,037 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/8fb6e571bf694a7da18ea52358478b87/FLAG7147c064a 13.98/9.17 !SESSION 2019-03-28 11:55:16.280 ----------------------------------------------- 13.98/9.17 eclipse.buildId=unknown 13.98/9.17 java.version=1.8.0_181 13.98/9.17 java.vendor=Oracle Corporation 13.98/9.17 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.98/9.17 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.98/9.17 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.98/9.17 13.98/9.17 !ENTRY org.eclipse.cdt.core 1 0 2019-03-28 11:55:21.174 13.98/9.17 !MESSAGE Indexed 'FLAG7147c064a' (0 sources, 0 headers) in 0.002 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) 13.98/9.17 [2019-03-28 11:55:21,535 INFO L307 CDTParser]: Found 1 translation units. 13.98/9.17 [2019-03-28 11:55:21,536 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 13.98/9.17 [2019-03-28 11:55:21,543 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/8fb6e571bf694a7da18ea52358478b87/FLAG7147c064a 13.98/9.17 [2019-03-28 11:55:21,569 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/8fb6e571bf694a7da18ea52358478b87 13.98/9.17 [2019-03-28 11:55:21,580 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.98/9.17 [2019-03-28 11:55:21,582 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.98/9.17 [2019-03-28 11:55:21,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.98/9.17 [2019-03-28 11:55:21,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.98/9.17 [2019-03-28 11:55:21,586 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.98/9.17 [2019-03-28 11:55:21,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:55:21" (1/1) ... 13.98/9.17 [2019-03-28 11:55:21,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14dfd72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21, skipping insertion in model container 13.98/9.17 [2019-03-28 11:55:21,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:55:21" (1/1) ... 13.98/9.17 [2019-03-28 11:55:21,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.98/9.17 [2019-03-28 11:55:21,615 INFO L176 MainTranslator]: Built tables and reachable declarations 13.98/9.17 [2019-03-28 11:55:21,773 INFO L206 PostProcessor]: Analyzing one entry point: main 13.98/9.17 [2019-03-28 11:55:21,778 INFO L191 MainTranslator]: Completed pre-run 13.98/9.17 [2019-03-28 11:55:21,794 INFO L206 PostProcessor]: Analyzing one entry point: main 13.98/9.17 [2019-03-28 11:55:21,867 INFO L195 MainTranslator]: Completed translation 13.98/9.17 [2019-03-28 11:55:21,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21 WrapperNode 13.98/9.17 [2019-03-28 11:55:21,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.98/9.17 [2019-03-28 11:55:21,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.98/9.17 [2019-03-28 11:55:21,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.98/9.17 [2019-03-28 11:55:21,869 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.98/9.17 [2019-03-28 11:55:21,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21" (1/1) ... 13.98/9.17 [2019-03-28 11:55:21,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21" (1/1) ... 13.98/9.17 [2019-03-28 11:55:21,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.98/9.17 [2019-03-28 11:55:21,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.98/9.17 [2019-03-28 11:55:21,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.98/9.17 [2019-03-28 11:55:21,908 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.98/9.17 [2019-03-28 11:55:21,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21" (1/1) ... 13.98/9.17 [2019-03-28 11:55:21,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21" (1/1) ... 13.98/9.17 [2019-03-28 11:55:21,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21" (1/1) ... 13.98/9.17 [2019-03-28 11:55:21,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21" (1/1) ... 13.98/9.17 [2019-03-28 11:55:21,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21" (1/1) ... 13.98/9.17 [2019-03-28 11:55:21,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21" (1/1) ... 13.98/9.17 [2019-03-28 11:55:21,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21" (1/1) ... 13.98/9.17 [2019-03-28 11:55:21,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.98/9.17 [2019-03-28 11:55:21,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.98/9.17 [2019-03-28 11:55:21,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.98/9.17 [2019-03-28 11:55:21,929 INFO L276 PluginConnector]: RCFGBuilder initialized 13.98/9.17 [2019-03-28 11:55:21,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21" (1/1) ... 13.98/9.17 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.98/9.17 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.98/9.17 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.98/9.17 [2019-03-28 11:55:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.98/9.17 [2019-03-28 11:55:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.98/9.17 [2019-03-28 11:55:22,140 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.98/9.17 [2019-03-28 11:55:22,140 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 13.98/9.17 [2019-03-28 11:55:22,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:22 BoogieIcfgContainer 13.98/9.17 [2019-03-28 11:55:22,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.98/9.17 [2019-03-28 11:55:22,143 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.98/9.17 [2019-03-28 11:55:22,143 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.98/9.17 [2019-03-28 11:55:22,145 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.98/9.17 [2019-03-28 11:55:22,146 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:22" (1/1) ... 13.98/9.17 [2019-03-28 11:55:22,161 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 13.98/9.17 [2019-03-28 11:55:22,163 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.98/9.17 [2019-03-28 11:55:22,164 INFO L263 BlockEncoder]: Using Maximize final states 13.98/9.17 [2019-03-28 11:55:22,164 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.98/9.17 [2019-03-28 11:55:22,165 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.98/9.17 [2019-03-28 11:55:22,167 INFO L296 BlockEncoder]: Using Remove sink states 13.98/9.17 [2019-03-28 11:55:22,168 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.98/9.17 [2019-03-28 11:55:22,168 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.98/9.17 [2019-03-28 11:55:22,183 INFO L185 BlockEncoder]: Using Use SBE 13.98/9.17 [2019-03-28 11:55:22,191 INFO L200 BlockEncoder]: SBE split 0 edges 13.98/9.17 [2019-03-28 11:55:22,196 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 13.98/9.17 [2019-03-28 11:55:22,198 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.98/9.17 [2019-03-28 11:55:22,215 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 13.98/9.17 [2019-03-28 11:55:22,217 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.98/9.17 [2019-03-28 11:55:22,219 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.98/9.17 [2019-03-28 11:55:22,219 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.98/9.17 [2019-03-28 11:55:22,219 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.98/9.17 [2019-03-28 11:55:22,220 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.98/9.17 [2019-03-28 11:55:22,220 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 13.98/9.17 [2019-03-28 11:55:22,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:55:22 BasicIcfg 13.98/9.17 [2019-03-28 11:55:22,221 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.98/9.17 [2019-03-28 11:55:22,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.98/9.17 [2019-03-28 11:55:22,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.98/9.17 [2019-03-28 11:55:22,226 INFO L276 PluginConnector]: TraceAbstraction initialized 13.98/9.17 [2019-03-28 11:55:22,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:55:21" (1/4) ... 13.98/9.17 [2019-03-28 11:55:22,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26861ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:55:22, skipping insertion in model container 13.98/9.17 [2019-03-28 11:55:22,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21" (2/4) ... 13.98/9.17 [2019-03-28 11:55:22,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26861ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:55:22, skipping insertion in model container 13.98/9.17 [2019-03-28 11:55:22,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:22" (3/4) ... 13.98/9.17 [2019-03-28 11:55:22,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26861ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:55:22, skipping insertion in model container 13.98/9.17 [2019-03-28 11:55:22,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:55:22" (4/4) ... 13.98/9.17 [2019-03-28 11:55:22,230 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.98/9.17 [2019-03-28 11:55:22,241 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.98/9.17 [2019-03-28 11:55:22,250 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.98/9.17 [2019-03-28 11:55:22,269 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.98/9.17 [2019-03-28 11:55:22,300 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.98/9.17 [2019-03-28 11:55:22,301 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.98/9.17 [2019-03-28 11:55:22,301 INFO L383 AbstractCegarLoop]: Hoare is true 13.98/9.17 [2019-03-28 11:55:22,301 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.98/9.17 [2019-03-28 11:55:22,302 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.98/9.17 [2019-03-28 11:55:22,302 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.98/9.17 [2019-03-28 11:55:22,302 INFO L387 AbstractCegarLoop]: Difference is false 13.98/9.17 [2019-03-28 11:55:22,302 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.98/9.17 [2019-03-28 11:55:22,302 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.98/9.17 [2019-03-28 11:55:22,318 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 13.98/9.17 [2019-03-28 11:55:22,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.98/9.17 [2019-03-28 11:55:22,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 13.98/9.17 [2019-03-28 11:55:22,382 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 18) the Hoare annotation is: true 13.98/9.17 [2019-03-28 11:55:22,382 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.98/9.17 [2019-03-28 11:55:22,382 INFO L451 ceAbstractionStarter]: At program point L15-2(lines 15 20) the Hoare annotation is: true 13.98/9.17 [2019-03-28 11:55:22,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:55:22 BasicIcfg 13.98/9.17 [2019-03-28 11:55:22,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.98/9.17 [2019-03-28 11:55:22,391 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.98/9.17 [2019-03-28 11:55:22,391 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.98/9.17 [2019-03-28 11:55:22,395 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.98/9.17 [2019-03-28 11:55:22,396 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.98/9.17 [2019-03-28 11:55:22,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:55:21" (1/5) ... 13.98/9.17 [2019-03-28 11:55:22,397 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70ad2378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:55:22, skipping insertion in model container 13.98/9.17 [2019-03-28 11:55:22,397 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.98/9.17 [2019-03-28 11:55:22,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:21" (2/5) ... 13.98/9.17 [2019-03-28 11:55:22,397 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70ad2378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:55:22, skipping insertion in model container 13.98/9.17 [2019-03-28 11:55:22,397 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.98/9.17 [2019-03-28 11:55:22,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:22" (3/5) ... 13.98/9.17 [2019-03-28 11:55:22,398 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70ad2378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:55:22, skipping insertion in model container 13.98/9.17 [2019-03-28 11:55:22,398 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.98/9.17 [2019-03-28 11:55:22,398 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:55:22" (4/5) ... 13.98/9.17 [2019-03-28 11:55:22,398 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70ad2378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:55:22, skipping insertion in model container 13.98/9.17 [2019-03-28 11:55:22,399 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.98/9.17 [2019-03-28 11:55:22,399 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:55:22" (5/5) ... 13.98/9.17 [2019-03-28 11:55:22,400 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.98/9.17 [2019-03-28 11:55:22,429 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.98/9.17 [2019-03-28 11:55:22,430 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.98/9.17 [2019-03-28 11:55:22,430 INFO L375 BuchiCegarLoop]: Hoare is true 13.98/9.17 [2019-03-28 11:55:22,430 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.98/9.17 [2019-03-28 11:55:22,430 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.98/9.17 [2019-03-28 11:55:22,430 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.98/9.17 [2019-03-28 11:55:22,430 INFO L379 BuchiCegarLoop]: Difference is false 13.98/9.17 [2019-03-28 11:55:22,430 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.98/9.17 [2019-03-28 11:55:22,431 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.98/9.17 [2019-03-28 11:55:22,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.98/9.17 [2019-03-28 11:55:22,452 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.98/9.17 [2019-03-28 11:55:22,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.98/9.17 [2019-03-28 11:55:22,453 INFO L119 BuchiIsEmpty]: Starting construction of run 13.98/9.17 [2019-03-28 11:55:22,458 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.98/9.17 [2019-03-28 11:55:22,458 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.98/9.17 [2019-03-28 11:55:22,458 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.98/9.17 [2019-03-28 11:55:22,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.98/9.17 [2019-03-28 11:55:22,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.98/9.17 [2019-03-28 11:55:22,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.98/9.17 [2019-03-28 11:55:22,459 INFO L119 BuchiIsEmpty]: Starting construction of run 13.98/9.17 [2019-03-28 11:55:22,460 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.98/9.17 [2019-03-28 11:55:22,460 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.98/9.17 [2019-03-28 11:55:22,465 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [35] ULTIMATE.startENTRY-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 v_ULTIMATE.start_main_~N~0_1) (= v_ULTIMATE.start_main_~N~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#t~post1=|v_ULTIMATE.start_main_#t~post1_1|, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post1, ULTIMATE.start_main_~N~0] 5#L15-2true 13.98/9.17 [2019-03-28 11:55:22,465 INFO L796 eck$LassoCheckResult]: Loop: 5#L15-2true [39] L15-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_7) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~N~0_4)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_4} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 3#L17-2true [45] L17-2-->L15-2: Formula: (and (= (+ v_ULTIMATE.start_main_~i~0_9 1) v_ULTIMATE.start_main_~i~0_10) (<= v_ULTIMATE.start_main_~j~0_8 0)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_4|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0] 5#L15-2true 13.98/9.17 [2019-03-28 11:55:22,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.98/9.17 [2019-03-28 11:55:22,472 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times 13.98/9.17 [2019-03-28 11:55:22,474 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.98/9.17 [2019-03-28 11:55:22,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.98/9.17 [2019-03-28 11:55:22,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:22,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:22,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.98/9.17 [2019-03-28 11:55:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.98/9.17 [2019-03-28 11:55:22,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.98/9.17 [2019-03-28 11:55:22,542 INFO L82 PathProgramCache]: Analyzing trace with hash 2215, now seen corresponding path program 1 times 13.98/9.17 [2019-03-28 11:55:22,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.98/9.17 [2019-03-28 11:55:22,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.98/9.17 [2019-03-28 11:55:22,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:22,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:22,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.98/9.17 [2019-03-28 11:55:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.98/9.17 [2019-03-28 11:55:22,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.98/9.17 [2019-03-28 11:55:22,562 INFO L82 PathProgramCache]: Analyzing trace with hash 64680, now seen corresponding path program 1 times 13.98/9.17 [2019-03-28 11:55:22,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.98/9.17 [2019-03-28 11:55:22,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.98/9.17 [2019-03-28 11:55:22,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:22,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:22,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.98/9.17 [2019-03-28 11:55:22,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.98/9.17 [2019-03-28 11:55:22,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 13.98/9.17 [2019-03-28 11:55:22,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 13.98/9.17 [2019-03-28 11:55:22,678 INFO L216 LassoAnalysis]: Preferences: 13.98/9.17 [2019-03-28 11:55:22,679 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.98/9.17 [2019-03-28 11:55:22,679 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.98/9.17 [2019-03-28 11:55:22,679 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.98/9.17 [2019-03-28 11:55:22,680 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.98/9.17 [2019-03-28 11:55:22,680 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.98/9.17 [2019-03-28 11:55:22,680 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.98/9.17 [2019-03-28 11:55:22,680 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.98/9.17 [2019-03-28 11:55:22,680 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.98/9.17 [2019-03-28 11:55:22,680 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.98/9.17 [2019-03-28 11:55:22,681 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.98/9.17 [2019-03-28 11:55:22,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.98/9.17 [2019-03-28 11:55:22,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.98/9.17 [2019-03-28 11:55:22,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.98/9.17 [2019-03-28 11:55:22,770 INFO L300 LassoAnalysis]: Preprocessing complete. 13.98/9.17 [2019-03-28 11:55:22,771 INFO L412 LassoAnalysis]: Checking for nontermination... 13.98/9.17 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.98/9.17 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.98/9.17 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.98/9.17 [2019-03-28 11:55:22,779 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.98/9.17 [2019-03-28 11:55:22,779 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.98/9.17 [2019-03-28 11:55:22,792 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.98/9.17 [2019-03-28 11:55:22,792 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=-4, ULTIMATE.start_main_~N~0=-4} Honda state: {ULTIMATE.start_main_~j~0=-4, ULTIMATE.start_main_~N~0=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.98/9.17 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.98/9.17 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.98/9.17 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.98/9.17 [2019-03-28 11:55:22,820 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.98/9.17 [2019-03-28 11:55:22,820 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.98/9.17 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.98/9.17 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.98/9.17 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.98/9.17 [2019-03-28 11:55:22,851 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.98/9.17 [2019-03-28 11:55:22,851 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.98/9.17 [2019-03-28 11:55:22,881 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.98/9.17 [2019-03-28 11:55:22,884 INFO L216 LassoAnalysis]: Preferences: 13.98/9.17 [2019-03-28 11:55:22,884 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.98/9.17 [2019-03-28 11:55:22,884 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.98/9.17 [2019-03-28 11:55:22,884 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.98/9.17 [2019-03-28 11:55:22,884 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.98/9.17 [2019-03-28 11:55:22,884 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.98/9.17 [2019-03-28 11:55:22,884 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.98/9.17 [2019-03-28 11:55:22,885 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.98/9.17 [2019-03-28 11:55:22,885 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.98/9.17 [2019-03-28 11:55:22,885 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.98/9.17 [2019-03-28 11:55:22,885 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.98/9.17 [2019-03-28 11:55:22,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.98/9.17 [2019-03-28 11:55:22,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.98/9.17 [2019-03-28 11:55:22,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.98/9.17 [2019-03-28 11:55:22,969 INFO L300 LassoAnalysis]: Preprocessing complete. 13.98/9.17 [2019-03-28 11:55:22,975 INFO L497 LassoAnalysis]: Using template 'affine'. 13.98/9.17 [2019-03-28 11:55:22,977 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.98/9.17 Termination analysis: LINEAR_WITH_GUESSES 13.98/9.17 Number of strict supporting invariants: 0 13.98/9.17 Number of non-strict supporting invariants: 1 13.98/9.17 Consider only non-deceasing supporting invariants: true 13.98/9.17 Simplify termination arguments: true 13.98/9.17 Simplify supporting invariants: trueOverapproximate stem: false 13.98/9.17 [2019-03-28 11:55:22,979 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.98/9.17 [2019-03-28 11:55:22,979 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.98/9.17 [2019-03-28 11:55:22,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.98/9.17 [2019-03-28 11:55:22,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.98/9.17 [2019-03-28 11:55:22,980 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.98/9.17 [2019-03-28 11:55:22,982 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.98/9.17 [2019-03-28 11:55:22,982 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.98/9.17 [2019-03-28 11:55:22,986 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.98/9.17 [2019-03-28 11:55:22,986 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.98/9.17 Termination analysis: LINEAR_WITH_GUESSES 13.98/9.17 Number of strict supporting invariants: 0 13.98/9.17 Number of non-strict supporting invariants: 1 13.98/9.17 Consider only non-deceasing supporting invariants: true 13.98/9.17 Simplify termination arguments: true 13.98/9.17 Simplify supporting invariants: trueOverapproximate stem: false 13.98/9.17 [2019-03-28 11:55:22,987 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.98/9.17 [2019-03-28 11:55:22,987 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.98/9.17 [2019-03-28 11:55:22,987 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.98/9.17 [2019-03-28 11:55:22,988 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.98/9.17 [2019-03-28 11:55:22,988 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.98/9.17 [2019-03-28 11:55:22,989 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.98/9.17 [2019-03-28 11:55:22,989 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.98/9.17 [2019-03-28 11:55:22,995 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.98/9.17 [2019-03-28 11:55:22,998 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.98/9.17 [2019-03-28 11:55:22,998 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 13.98/9.17 [2019-03-28 11:55:23,000 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.98/9.17 [2019-03-28 11:55:23,001 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.98/9.17 [2019-03-28 11:55:23,001 INFO L518 LassoAnalysis]: Proved termination. 13.98/9.17 [2019-03-28 11:55:23,001 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.98/9.17 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 13.98/9.17 Supporting invariants [] 13.98/9.17 [2019-03-28 11:55:23,003 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.98/9.17 [2019-03-28 11:55:23,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.98/9.17 [2019-03-28 11:55:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.98/9.17 [2019-03-28 11:55:23,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 13.98/9.17 [2019-03-28 11:55:23,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.98/9.17 [2019-03-28 11:55:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.98/9.17 [2019-03-28 11:55:23,051 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 13.98/9.17 [2019-03-28 11:55:23,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.98/9.17 [2019-03-28 11:55:23,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.98/9.17 [2019-03-28 11:55:23,093 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 13.98/9.17 [2019-03-28 11:55:23,098 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 2 loop predicates 13.98/9.17 [2019-03-28 11:55:23,100 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 13.98/9.17 [2019-03-28 11:55:23,123 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. 13.98/9.17 [2019-03-28 11:55:23,124 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 13.98/9.17 [2019-03-28 11:55:23,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.98/9.17 [2019-03-28 11:55:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 13.98/9.17 [2019-03-28 11:55:23,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 13.98/9.17 [2019-03-28 11:55:23,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.98/9.17 [2019-03-28 11:55:23,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 13.98/9.17 [2019-03-28 11:55:23,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.98/9.17 [2019-03-28 11:55:23,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 13.98/9.17 [2019-03-28 11:55:23,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.98/9.17 [2019-03-28 11:55:23,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 13.98/9.17 [2019-03-28 11:55:23,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.98/9.17 [2019-03-28 11:55:23,140 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 13.98/9.17 [2019-03-28 11:55:23,141 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 13.98/9.17 [2019-03-28 11:55:23,141 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 13.98/9.17 [2019-03-28 11:55:23,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 13.98/9.17 [2019-03-28 11:55:23,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.98/9.17 [2019-03-28 11:55:23,143 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 13.98/9.17 [2019-03-28 11:55:23,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 13.98/9.17 [2019-03-28 11:55:23,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 13.98/9.17 [2019-03-28 11:55:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 13.98/9.17 [2019-03-28 11:55:23,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 13.98/9.17 [2019-03-28 11:55:23,170 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 13.98/9.17 [2019-03-28 11:55:23,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 13.98/9.17 [2019-03-28 11:55:23,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 13.98/9.17 [2019-03-28 11:55:23,174 INFO L87 Difference]: Start difference. First operand 5 states and 8 transitions. Second operand 4 states. 13.98/9.17 [2019-03-28 11:55:23,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 13.98/9.17 [2019-03-28 11:55:23,202 INFO L93 Difference]: Finished difference Result 9 states and 13 transitions. 13.98/9.17 [2019-03-28 11:55:23,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 13.98/9.17 [2019-03-28 11:55:23,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 13 transitions. 13.98/9.17 [2019-03-28 11:55:23,205 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 13.98/9.17 [2019-03-28 11:55:23,206 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 13 transitions. 13.98/9.17 [2019-03-28 11:55:23,206 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 13.98/9.17 [2019-03-28 11:55:23,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 13.98/9.17 [2019-03-28 11:55:23,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. 13.98/9.17 [2019-03-28 11:55:23,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.98/9.17 [2019-03-28 11:55:23,207 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. 13.98/9.17 [2019-03-28 11:55:23,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. 13.98/9.17 [2019-03-28 11:55:23,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 6. 13.98/9.17 [2019-03-28 11:55:23,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 13.98/9.17 [2019-03-28 11:55:23,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. 13.98/9.17 [2019-03-28 11:55:23,208 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 13.98/9.17 [2019-03-28 11:55:23,209 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 13.98/9.17 [2019-03-28 11:55:23,209 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.98/9.17 [2019-03-28 11:55:23,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. 13.98/9.17 [2019-03-28 11:55:23,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.98/9.17 [2019-03-28 11:55:23,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.98/9.17 [2019-03-28 11:55:23,210 INFO L119 BuchiIsEmpty]: Starting construction of run 13.98/9.17 [2019-03-28 11:55:23,210 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.98/9.17 [2019-03-28 11:55:23,210 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.98/9.17 [2019-03-28 11:55:23,211 INFO L794 eck$LassoCheckResult]: Stem: 63#ULTIMATE.startENTRY [35] ULTIMATE.startENTRY-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 v_ULTIMATE.start_main_~N~0_1) (= v_ULTIMATE.start_main_~N~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#t~post1=|v_ULTIMATE.start_main_#t~post1_1|, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post1, ULTIMATE.start_main_~N~0] 64#L15-2 [39] L15-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_7) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~N~0_4)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_4} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 60#L17-2 13.98/9.17 [2019-03-28 11:55:23,211 INFO L796 eck$LassoCheckResult]: Loop: 60#L17-2 [33] L17-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~j~0_6) (= v_ULTIMATE.start_main_~j~0_6 (+ v_ULTIMATE.start_main_~j~0_5 1))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5, ULTIMATE.start_main_#t~post1=|v_ULTIMATE.start_main_#t~post1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~post1] 60#L17-2 13.98/9.17 [2019-03-28 11:55:23,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.98/9.17 [2019-03-28 11:55:23,211 INFO L82 PathProgramCache]: Analyzing trace with hash 2085, now seen corresponding path program 1 times 13.98/9.17 [2019-03-28 11:55:23,211 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.98/9.17 [2019-03-28 11:55:23,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.98/9.17 [2019-03-28 11:55:23,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:23,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:23,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.98/9.17 [2019-03-28 11:55:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.98/9.17 [2019-03-28 11:55:23,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.98/9.17 [2019-03-28 11:55:23,218 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times 13.98/9.17 [2019-03-28 11:55:23,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.98/9.17 [2019-03-28 11:55:23,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.98/9.17 [2019-03-28 11:55:23,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:23,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:23,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.98/9.17 [2019-03-28 11:55:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.98/9.17 [2019-03-28 11:55:23,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.98/9.17 [2019-03-28 11:55:23,224 INFO L82 PathProgramCache]: Analyzing trace with hash 64668, now seen corresponding path program 1 times 13.98/9.17 [2019-03-28 11:55:23,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.98/9.17 [2019-03-28 11:55:23,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.98/9.17 [2019-03-28 11:55:23,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:23,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:23,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.98/9.17 [2019-03-28 11:55:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.98/9.17 [2019-03-28 11:55:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.98/9.17 [2019-03-28 11:55:23,244 INFO L216 LassoAnalysis]: Preferences: 13.98/9.17 [2019-03-28 11:55:23,244 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.98/9.17 [2019-03-28 11:55:23,244 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.98/9.17 [2019-03-28 11:55:23,244 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.98/9.17 [2019-03-28 11:55:23,245 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.98/9.17 [2019-03-28 11:55:23,245 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.98/9.17 [2019-03-28 11:55:23,245 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.98/9.17 [2019-03-28 11:55:23,245 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.98/9.17 [2019-03-28 11:55:23,245 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.98/9.17 [2019-03-28 11:55:23,245 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.98/9.17 [2019-03-28 11:55:23,245 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.98/9.17 [2019-03-28 11:55:23,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.98/9.17 [2019-03-28 11:55:23,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.98/9.17 [2019-03-28 11:55:23,275 INFO L300 LassoAnalysis]: Preprocessing complete. 13.98/9.17 [2019-03-28 11:55:23,275 INFO L412 LassoAnalysis]: Checking for nontermination... 13.98/9.17 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.98/9.17 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.98/9.17 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.98/9.17 [2019-03-28 11:55:23,286 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.98/9.17 [2019-03-28 11:55:23,286 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.98/9.17 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.98/9.17 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.98/9.17 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.98/9.17 [2019-03-28 11:55:23,317 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.98/9.17 [2019-03-28 11:55:23,317 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.98/9.17 [2019-03-28 11:55:23,346 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.98/9.17 [2019-03-28 11:55:23,348 INFO L216 LassoAnalysis]: Preferences: 13.98/9.17 [2019-03-28 11:55:23,348 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.98/9.17 [2019-03-28 11:55:23,349 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.98/9.17 [2019-03-28 11:55:23,349 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.98/9.17 [2019-03-28 11:55:23,349 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.98/9.17 [2019-03-28 11:55:23,349 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.98/9.17 [2019-03-28 11:55:23,349 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.98/9.17 [2019-03-28 11:55:23,349 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.98/9.17 [2019-03-28 11:55:23,349 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.98/9.17 [2019-03-28 11:55:23,349 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.98/9.17 [2019-03-28 11:55:23,350 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.98/9.17 [2019-03-28 11:55:23,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.98/9.17 [2019-03-28 11:55:23,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.98/9.17 [2019-03-28 11:55:23,374 INFO L300 LassoAnalysis]: Preprocessing complete. 13.98/9.17 [2019-03-28 11:55:23,375 INFO L497 LassoAnalysis]: Using template 'affine'. 13.98/9.17 [2019-03-28 11:55:23,375 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.98/9.17 Termination analysis: LINEAR_WITH_GUESSES 13.98/9.17 Number of strict supporting invariants: 0 13.98/9.17 Number of non-strict supporting invariants: 1 13.98/9.17 Consider only non-deceasing supporting invariants: true 13.98/9.17 Simplify termination arguments: true 13.98/9.17 Simplify supporting invariants: trueOverapproximate stem: false 13.98/9.17 [2019-03-28 11:55:23,376 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.98/9.17 [2019-03-28 11:55:23,376 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.98/9.17 [2019-03-28 11:55:23,376 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.98/9.17 [2019-03-28 11:55:23,376 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.98/9.17 [2019-03-28 11:55:23,376 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.98/9.17 [2019-03-28 11:55:23,377 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.98/9.17 [2019-03-28 11:55:23,377 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.98/9.17 [2019-03-28 11:55:23,382 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.98/9.17 [2019-03-28 11:55:23,385 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.98/9.17 [2019-03-28 11:55:23,385 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 13.98/9.17 [2019-03-28 11:55:23,386 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.98/9.17 [2019-03-28 11:55:23,386 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.98/9.17 [2019-03-28 11:55:23,386 INFO L518 LassoAnalysis]: Proved termination. 13.98/9.17 [2019-03-28 11:55:23,386 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.98/9.17 Ranking function f(ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~j~0 13.98/9.17 Supporting invariants [] 13.98/9.17 [2019-03-28 11:55:23,386 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.98/9.17 [2019-03-28 11:55:23,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.98/9.17 [2019-03-28 11:55:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.98/9.17 [2019-03-28 11:55:23,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 13.98/9.17 [2019-03-28 11:55:23,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.98/9.17 [2019-03-28 11:55:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.98/9.17 [2019-03-28 11:55:23,407 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core 13.98/9.17 [2019-03-28 11:55:23,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.98/9.17 [2019-03-28 11:55:23,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.98/9.17 [2019-03-28 11:55:23,408 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.98/9.17 [2019-03-28 11:55:23,408 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 1 loop predicates 13.98/9.17 [2019-03-28 11:55:23,409 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. 13.98/9.17 [2019-03-28 11:55:23,418 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 8 states and 11 transitions. Complement of second has 4 states. 13.98/9.17 [2019-03-28 11:55:23,418 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 13.98/9.17 [2019-03-28 11:55:23,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.98/9.17 [2019-03-28 11:55:23,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 13.98/9.17 [2019-03-28 11:55:23,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 13.98/9.17 [2019-03-28 11:55:23,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.98/9.17 [2019-03-28 11:55:23,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. 13.98/9.17 [2019-03-28 11:55:23,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.98/9.17 [2019-03-28 11:55:23,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. 13.98/9.17 [2019-03-28 11:55:23,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.98/9.17 [2019-03-28 11:55:23,421 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. 13.98/9.17 [2019-03-28 11:55:23,421 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.98/9.17 [2019-03-28 11:55:23,422 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. 13.98/9.17 [2019-03-28 11:55:23,422 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.98/9.17 [2019-03-28 11:55:23,422 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.98/9.17 [2019-03-28 11:55:23,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.98/9.17 [2019-03-28 11:55:23,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.98/9.17 [2019-03-28 11:55:23,422 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.98/9.17 [2019-03-28 11:55:23,422 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.98/9.17 [2019-03-28 11:55:23,423 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.98/9.17 [2019-03-28 11:55:23,423 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 13.98/9.17 [2019-03-28 11:55:23,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.98/9.17 [2019-03-28 11:55:23,423 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.98/9.17 [2019-03-28 11:55:23,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.98/9.17 [2019-03-28 11:55:23,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:55:23 BasicIcfg 13.98/9.17 [2019-03-28 11:55:23,429 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.98/9.17 [2019-03-28 11:55:23,430 INFO L168 Benchmark]: Toolchain (without parser) took 1849.21 ms. Allocated memory was 514.9 MB in the beginning and 536.3 MB in the end (delta: 21.5 MB). Free memory was 440.4 MB in the beginning and 382.3 MB in the end (delta: 58.1 MB). Peak memory consumption was 79.6 MB. Max. memory is 50.3 GB. 13.98/9.17 [2019-03-28 11:55:23,432 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 514.9 MB. Free memory is still 460.7 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.98/9.17 [2019-03-28 11:55:23,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.97 ms. Allocated memory was 514.9 MB in the beginning and 536.3 MB in the end (delta: 21.5 MB). Free memory was 440.4 MB in the beginning and 507.1 MB in the end (delta: -66.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. 13.98/9.17 [2019-03-28 11:55:23,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.22 ms. Allocated memory is still 536.3 MB. Free memory was 507.1 MB in the beginning and 505.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.98/9.17 [2019-03-28 11:55:23,433 INFO L168 Benchmark]: Boogie Preprocessor took 20.88 ms. Allocated memory is still 536.3 MB. Free memory was 505.7 MB in the beginning and 503.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. 13.98/9.17 [2019-03-28 11:55:23,434 INFO L168 Benchmark]: RCFGBuilder took 213.40 ms. Allocated memory is still 536.3 MB. Free memory was 503.5 MB in the beginning and 492.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. 13.98/9.17 [2019-03-28 11:55:23,435 INFO L168 Benchmark]: BlockEncodingV2 took 78.42 ms. Allocated memory is still 536.3 MB. Free memory was 492.9 MB in the beginning and 487.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.98/9.17 [2019-03-28 11:55:23,435 INFO L168 Benchmark]: TraceAbstraction took 169.15 ms. Allocated memory is still 536.3 MB. Free memory was 487.4 MB in the beginning and 478.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 13.98/9.17 [2019-03-28 11:55:23,436 INFO L168 Benchmark]: BuchiAutomizer took 1037.98 ms. Allocated memory is still 536.3 MB. Free memory was 478.0 MB in the beginning and 382.3 MB in the end (delta: 95.7 MB). Peak memory consumption was 95.7 MB. Max. memory is 50.3 GB. 13.98/9.17 [2019-03-28 11:55:23,440 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.98/9.17 --- Results --- 13.98/9.17 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.98/9.17 - StatisticsResult: Initial Icfg 13.98/9.17 8 locations, 11 edges 13.98/9.17 - StatisticsResult: Encoded RCFG 13.98/9.17 3 locations, 4 edges 13.98/9.17 * Results from de.uni_freiburg.informatik.ultimate.core: 13.98/9.17 - StatisticsResult: Toolchain Benchmarks 13.98/9.17 Benchmark results are: 13.98/9.17 * CDTParser took 0.15 ms. Allocated memory is still 514.9 MB. Free memory is still 460.7 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.98/9.17 * CACSL2BoogieTranslator took 285.97 ms. Allocated memory was 514.9 MB in the beginning and 536.3 MB in the end (delta: 21.5 MB). Free memory was 440.4 MB in the beginning and 507.1 MB in the end (delta: -66.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. 13.98/9.17 * Boogie Procedure Inliner took 38.22 ms. Allocated memory is still 536.3 MB. Free memory was 507.1 MB in the beginning and 505.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.98/9.17 * Boogie Preprocessor took 20.88 ms. Allocated memory is still 536.3 MB. Free memory was 505.7 MB in the beginning and 503.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. 13.98/9.17 * RCFGBuilder took 213.40 ms. Allocated memory is still 536.3 MB. Free memory was 503.5 MB in the beginning and 492.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. 13.98/9.17 * BlockEncodingV2 took 78.42 ms. Allocated memory is still 536.3 MB. Free memory was 492.9 MB in the beginning and 487.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.98/9.17 * TraceAbstraction took 169.15 ms. Allocated memory is still 536.3 MB. Free memory was 487.4 MB in the beginning and 478.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 13.98/9.17 * BuchiAutomizer took 1037.98 ms. Allocated memory is still 536.3 MB. Free memory was 478.0 MB in the beginning and 382.3 MB in the end (delta: 95.7 MB). Peak memory consumption was 95.7 MB. Max. memory is 50.3 GB. 13.98/9.17 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.98/9.17 - AllSpecificationsHoldResult: All specifications hold 13.98/9.17 We were not able to verify any specifiation because the program does not contain any specification. 13.98/9.17 - InvariantResult [Line: 17]: Loop Invariant 13.98/9.17 Derived loop invariant: 1 13.98/9.17 - InvariantResult [Line: 15]: Loop Invariant 13.98/9.17 Derived loop invariant: 1 13.98/9.17 - StatisticsResult: Ultimate Automizer benchmark data 13.98/9.17 CFG has 1 procedures, 3 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=3occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.98/9.17 - StatisticsResult: Constructed decomposition of program 13.98/9.17 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function j and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. 13.98/9.17 - StatisticsResult: Timing statistics 13.98/9.17 BüchiAutomizer plugin needed 1.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 19 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp81 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 13.98/9.17 - TerminationAnalysisResult: Termination proven 13.98/9.17 Buchi Automizer proved that your program is terminating 13.98/9.17 RESULT: Ultimate proved your program to be correct! 13.98/9.17 13.98/9.17 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:55:23.668 13.98/9.17 !MESSAGE The workspace will exit with unsaved changes in this session. 13.98/9.17 Received shutdown request... 13.98/9.17 Ultimate: 13.98/9.17 GTK+ Version Check 13.98/9.17 EOF