29.77/52.61 YES 29.77/52.61 29.77/52.61 Ultimate: Cannot open display: 29.77/52.61 This is Ultimate 0.1.24-8dc7c08-m 29.77/52.61 [2019-03-28 12:03:49,039 INFO L170 SettingsManager]: Resetting all preferences to default values... 29.77/52.61 [2019-03-28 12:03:49,041 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 29.77/52.61 [2019-03-28 12:03:49,053 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 29.77/52.61 [2019-03-28 12:03:49,053 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 29.77/52.61 [2019-03-28 12:03:49,054 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 29.77/52.61 [2019-03-28 12:03:49,055 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 29.77/52.61 [2019-03-28 12:03:49,057 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 29.77/52.61 [2019-03-28 12:03:49,058 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 29.77/52.61 [2019-03-28 12:03:49,059 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 29.77/52.61 [2019-03-28 12:03:49,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 29.77/52.61 [2019-03-28 12:03:49,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 29.77/52.61 [2019-03-28 12:03:49,061 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 29.77/52.61 [2019-03-28 12:03:49,062 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 29.77/52.61 [2019-03-28 12:03:49,063 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 29.77/52.61 [2019-03-28 12:03:49,064 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 29.77/52.61 [2019-03-28 12:03:49,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 29.77/52.61 [2019-03-28 12:03:49,066 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 29.77/52.61 [2019-03-28 12:03:49,068 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 29.77/52.61 [2019-03-28 12:03:49,070 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 29.77/52.61 [2019-03-28 12:03:49,070 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 29.77/52.61 [2019-03-28 12:03:49,072 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 29.77/52.61 [2019-03-28 12:03:49,074 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 29.77/52.61 [2019-03-28 12:03:49,074 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 29.77/52.61 [2019-03-28 12:03:49,074 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 29.77/52.61 [2019-03-28 12:03:49,075 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 29.77/52.61 [2019-03-28 12:03:49,075 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 29.77/52.61 [2019-03-28 12:03:49,076 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 29.77/52.61 [2019-03-28 12:03:49,076 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 29.77/52.61 [2019-03-28 12:03:49,077 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 29.77/52.61 [2019-03-28 12:03:49,078 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 29.77/52.61 [2019-03-28 12:03:49,078 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 29.77/52.61 [2019-03-28 12:03:49,079 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 29.77/52.61 [2019-03-28 12:03:49,079 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 29.77/52.61 [2019-03-28 12:03:49,080 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 29.77/52.61 [2019-03-28 12:03:49,080 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 29.77/52.61 [2019-03-28 12:03:49,080 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 29.77/52.61 [2019-03-28 12:03:49,081 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 29.77/52.61 [2019-03-28 12:03:49,082 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 29.77/52.61 [2019-03-28 12:03:49,082 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 29.77/52.61 [2019-03-28 12:03:49,097 INFO L110 SettingsManager]: Loading preferences was successful 29.77/52.61 [2019-03-28 12:03:49,097 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 29.77/52.61 [2019-03-28 12:03:49,098 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 29.77/52.61 [2019-03-28 12:03:49,098 INFO L133 SettingsManager]: * Rewrite not-equals=true 29.77/52.61 [2019-03-28 12:03:49,099 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 29.77/52.61 [2019-03-28 12:03:49,099 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 29.77/52.61 [2019-03-28 12:03:49,099 INFO L133 SettingsManager]: * Use SBE=true 29.77/52.61 [2019-03-28 12:03:49,099 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 29.77/52.61 [2019-03-28 12:03:49,099 INFO L133 SettingsManager]: * Use old map elimination=false 29.77/52.61 [2019-03-28 12:03:49,100 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 29.77/52.61 [2019-03-28 12:03:49,100 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 29.77/52.61 [2019-03-28 12:03:49,100 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 29.77/52.61 [2019-03-28 12:03:49,100 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 29.77/52.61 [2019-03-28 12:03:49,100 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 29.77/52.61 [2019-03-28 12:03:49,101 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 29.77/52.61 [2019-03-28 12:03:49,101 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 29.77/52.61 [2019-03-28 12:03:49,101 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 29.77/52.61 [2019-03-28 12:03:49,101 INFO L133 SettingsManager]: * Check division by zero=IGNORE 29.77/52.61 [2019-03-28 12:03:49,101 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 29.77/52.61 [2019-03-28 12:03:49,102 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 29.77/52.61 [2019-03-28 12:03:49,102 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 29.77/52.61 [2019-03-28 12:03:49,102 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 29.77/52.61 [2019-03-28 12:03:49,102 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 29.77/52.61 [2019-03-28 12:03:49,102 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 29.77/52.61 [2019-03-28 12:03:49,103 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 29.77/52.61 [2019-03-28 12:03:49,103 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 29.77/52.61 [2019-03-28 12:03:49,103 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 29.77/52.61 [2019-03-28 12:03:49,103 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 29.77/52.61 [2019-03-28 12:03:49,103 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 29.77/52.61 [2019-03-28 12:03:49,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 29.77/52.61 [2019-03-28 12:03:49,141 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 29.77/52.61 [2019-03-28 12:03:49,145 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 29.77/52.61 [2019-03-28 12:03:49,146 INFO L271 PluginConnector]: Initializing CDTParser... 29.77/52.61 [2019-03-28 12:03:49,147 INFO L276 PluginConnector]: CDTParser initialized 29.77/52.61 [2019-03-28 12:03:49,147 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 29.77/52.61 [2019-03-28 12:03:55,885 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/09c34fa01f314b03b6c8594d15d777e4/FLAG611a04d36 29.77/52.61 !SESSION 2019-03-28 12:03:46.528 ----------------------------------------------- 29.77/52.61 eclipse.buildId=unknown 29.77/52.61 java.version=1.8.0_181 29.77/52.61 java.vendor=Oracle Corporation 29.77/52.61 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 29.77/52.61 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 29.77/52.61 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 29.77/52.61 29.77/52.61 !ENTRY org.eclipse.cdt.core 1 0 2019-03-28 12:03:56.022 29.77/52.61 !MESSAGE Indexed 'FLAG611a04d36' (0 sources, 0 headers) in 0.002 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) 29.77/52.61 [2019-03-28 12:04:00,467 INFO L307 CDTParser]: Found 1 translation units. 29.77/52.61 [2019-03-28 12:04:00,468 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 29.77/52.61 [2019-03-28 12:04:01,618 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/09c34fa01f314b03b6c8594d15d777e4/FLAG611a04d36 29.77/52.61 [2019-03-28 12:04:04,733 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/09c34fa01f314b03b6c8594d15d777e4 29.77/52.61 [2019-03-28 12:04:04,744 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 29.77/52.61 [2019-03-28 12:04:04,746 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 29.77/52.61 [2019-03-28 12:04:04,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 29.77/52.61 [2019-03-28 12:04:04,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 29.77/52.61 [2019-03-28 12:04:04,751 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 29.77/52.61 [2019-03-28 12:04:04,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:04:04" (1/1) ... 29.77/52.61 [2019-03-28 12:04:04,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4eb83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:04, skipping insertion in model container 29.77/52.61 [2019-03-28 12:04:04,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:04:04" (1/1) ... 29.77/52.61 [2019-03-28 12:04:04,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 29.77/52.61 [2019-03-28 12:04:04,780 INFO L176 MainTranslator]: Built tables and reachable declarations 29.77/52.61 [2019-03-28 12:04:04,938 INFO L206 PostProcessor]: Analyzing one entry point: main 29.77/52.61 [2019-03-28 12:04:04,942 INFO L191 MainTranslator]: Completed pre-run 29.77/52.61 [2019-03-28 12:04:04,957 INFO L206 PostProcessor]: Analyzing one entry point: main 29.77/52.61 [2019-03-28 12:04:05,029 INFO L195 MainTranslator]: Completed translation 29.77/52.61 [2019-03-28 12:04:05,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05 WrapperNode 29.77/52.61 [2019-03-28 12:04:05,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 29.77/52.61 [2019-03-28 12:04:05,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 29.77/52.61 [2019-03-28 12:04:05,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 29.77/52.61 [2019-03-28 12:04:05,031 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 29.77/52.61 [2019-03-28 12:04:05,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05" (1/1) ... 29.77/52.61 [2019-03-28 12:04:05,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05" (1/1) ... 29.77/52.61 [2019-03-28 12:04:05,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 29.77/52.61 [2019-03-28 12:04:05,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 29.77/52.61 [2019-03-28 12:04:05,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 29.77/52.61 [2019-03-28 12:04:05,066 INFO L276 PluginConnector]: Boogie Preprocessor initialized 29.77/52.61 [2019-03-28 12:04:05,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05" (1/1) ... 29.77/52.61 [2019-03-28 12:04:05,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05" (1/1) ... 29.77/52.61 [2019-03-28 12:04:05,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05" (1/1) ... 29.77/52.61 [2019-03-28 12:04:05,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05" (1/1) ... 29.77/52.61 [2019-03-28 12:04:05,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05" (1/1) ... 29.77/52.61 [2019-03-28 12:04:05,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05" (1/1) ... 29.77/52.61 [2019-03-28 12:04:05,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05" (1/1) ... 29.77/52.61 [2019-03-28 12:04:05,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 29.77/52.61 [2019-03-28 12:04:05,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 29.77/52.61 [2019-03-28 12:04:05,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... 29.77/52.61 [2019-03-28 12:04:05,085 INFO L276 PluginConnector]: RCFGBuilder initialized 29.77/52.61 [2019-03-28 12:04:05,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05" (1/1) ... 29.77/52.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 29.77/52.61 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 29.77/52.61 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 29.77/52.61 [2019-03-28 12:04:05,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 29.77/52.61 [2019-03-28 12:04:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 29.77/52.61 [2019-03-28 12:04:05,266 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 29.77/52.61 [2019-03-28 12:04:05,267 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 29.77/52.61 [2019-03-28 12:04:05,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:04:05 BoogieIcfgContainer 29.77/52.61 [2019-03-28 12:04:05,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 29.77/52.61 [2019-03-28 12:04:05,269 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 29.77/52.61 [2019-03-28 12:04:05,269 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 29.77/52.61 [2019-03-28 12:04:05,271 INFO L276 PluginConnector]: BlockEncodingV2 initialized 29.77/52.61 [2019-03-28 12:04:05,272 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:04:05" (1/1) ... 29.77/52.61 [2019-03-28 12:04:05,286 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 29.77/52.61 [2019-03-28 12:04:05,288 INFO L258 BlockEncoder]: Using Remove infeasible edges 29.77/52.61 [2019-03-28 12:04:05,288 INFO L263 BlockEncoder]: Using Maximize final states 29.77/52.61 [2019-03-28 12:04:05,289 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 29.77/52.61 [2019-03-28 12:04:05,289 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 29.77/52.61 [2019-03-28 12:04:05,291 INFO L296 BlockEncoder]: Using Remove sink states 29.77/52.61 [2019-03-28 12:04:05,292 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 29.77/52.61 [2019-03-28 12:04:05,292 INFO L179 BlockEncoder]: Using Rewrite not-equals 29.77/52.61 [2019-03-28 12:04:05,308 INFO L185 BlockEncoder]: Using Use SBE 29.77/52.61 [2019-03-28 12:04:05,321 INFO L200 BlockEncoder]: SBE split 1 edges 29.77/52.61 [2019-03-28 12:04:05,326 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 29.77/52.61 [2019-03-28 12:04:05,327 INFO L71 MaximizeFinalStates]: 0 new accepting states 29.77/52.61 [2019-03-28 12:04:05,338 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 29.77/52.61 [2019-03-28 12:04:05,340 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 29.77/52.61 [2019-03-28 12:04:05,341 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 29.77/52.61 [2019-03-28 12:04:05,341 INFO L71 MaximizeFinalStates]: 0 new accepting states 29.77/52.61 [2019-03-28 12:04:05,346 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 29.77/52.61 [2019-03-28 12:04:05,346 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 29.77/52.61 [2019-03-28 12:04:05,346 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 29.77/52.61 [2019-03-28 12:04:05,347 INFO L71 MaximizeFinalStates]: 0 new accepting states 29.77/52.61 [2019-03-28 12:04:05,347 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 29.77/52.61 [2019-03-28 12:04:05,347 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 29.77/52.61 [2019-03-28 12:04:05,347 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 29.77/52.61 [2019-03-28 12:04:05,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:04:05 BasicIcfg 29.77/52.61 [2019-03-28 12:04:05,348 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 29.77/52.61 [2019-03-28 12:04:05,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 29.77/52.61 [2019-03-28 12:04:05,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... 29.77/52.61 [2019-03-28 12:04:05,353 INFO L276 PluginConnector]: TraceAbstraction initialized 29.77/52.61 [2019-03-28 12:04:05,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:04:04" (1/4) ... 29.77/52.61 [2019-03-28 12:04:05,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73754310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:04:05, skipping insertion in model container 29.77/52.61 [2019-03-28 12:04:05,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05" (2/4) ... 29.77/52.61 [2019-03-28 12:04:05,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73754310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:04:05, skipping insertion in model container 29.77/52.61 [2019-03-28 12:04:05,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:04:05" (3/4) ... 29.77/52.61 [2019-03-28 12:04:05,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73754310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:04:05, skipping insertion in model container 29.77/52.61 [2019-03-28 12:04:05,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:04:05" (4/4) ... 29.77/52.61 [2019-03-28 12:04:05,357 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 29.77/52.61 [2019-03-28 12:04:05,367 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 29.77/52.61 [2019-03-28 12:04:05,375 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 29.77/52.61 [2019-03-28 12:04:05,393 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 29.77/52.61 [2019-03-28 12:04:05,423 INFO L133 ementStrategyFactory]: Using default assertion order modulation 29.77/52.61 [2019-03-28 12:04:05,424 INFO L382 AbstractCegarLoop]: Interprodecural is true 29.77/52.61 [2019-03-28 12:04:05,424 INFO L383 AbstractCegarLoop]: Hoare is true 29.77/52.61 [2019-03-28 12:04:05,424 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 29.77/52.61 [2019-03-28 12:04:05,424 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 29.77/52.61 [2019-03-28 12:04:05,425 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 29.77/52.61 [2019-03-28 12:04:05,425 INFO L387 AbstractCegarLoop]: Difference is false 29.77/52.61 [2019-03-28 12:04:05,425 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 29.77/52.61 [2019-03-28 12:04:05,425 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 29.77/52.61 [2019-03-28 12:04:05,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 29.77/52.61 [2019-03-28 12:04:05,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 29.77/52.61 [2019-03-28 12:04:05,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 29.77/52.61 [2019-03-28 12:04:05,502 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 29.77/52.61 [2019-03-28 12:04:05,503 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 28) the Hoare annotation is: true 29.77/52.61 [2019-03-28 12:04:05,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:04:05 BasicIcfg 29.77/52.61 [2019-03-28 12:04:05,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 29.77/52.61 [2019-03-28 12:04:05,512 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 29.77/52.61 [2019-03-28 12:04:05,512 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 29.77/52.61 [2019-03-28 12:04:05,515 INFO L276 PluginConnector]: BuchiAutomizer initialized 29.77/52.61 [2019-03-28 12:04:05,516 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 29.77/52.61 [2019-03-28 12:04:05,516 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:04:04" (1/5) ... 29.77/52.61 [2019-03-28 12:04:05,517 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3494cab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:04:05, skipping insertion in model container 29.77/52.61 [2019-03-28 12:04:05,517 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 29.77/52.61 [2019-03-28 12:04:05,517 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:05" (2/5) ... 29.77/52.61 [2019-03-28 12:04:05,518 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3494cab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:04:05, skipping insertion in model container 29.77/52.61 [2019-03-28 12:04:05,518 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 29.77/52.61 [2019-03-28 12:04:05,518 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:04:05" (3/5) ... 29.77/52.61 [2019-03-28 12:04:05,518 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3494cab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:04:05, skipping insertion in model container 29.77/52.61 [2019-03-28 12:04:05,519 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 29.77/52.61 [2019-03-28 12:04:05,519 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:04:05" (4/5) ... 29.77/52.61 [2019-03-28 12:04:05,519 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3494cab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:04:05, skipping insertion in model container 29.77/52.61 [2019-03-28 12:04:05,519 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 29.77/52.61 [2019-03-28 12:04:05,519 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:04:05" (5/5) ... 29.77/52.61 [2019-03-28 12:04:05,521 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 29.77/52.61 [2019-03-28 12:04:05,549 INFO L133 ementStrategyFactory]: Using default assertion order modulation 29.77/52.61 [2019-03-28 12:04:05,550 INFO L374 BuchiCegarLoop]: Interprodecural is true 29.77/52.61 [2019-03-28 12:04:05,550 INFO L375 BuchiCegarLoop]: Hoare is true 29.77/52.61 [2019-03-28 12:04:05,550 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 29.77/52.61 [2019-03-28 12:04:05,550 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 29.77/52.61 [2019-03-28 12:04:05,550 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 29.77/52.61 [2019-03-28 12:04:05,550 INFO L379 BuchiCegarLoop]: Difference is false 29.77/52.61 [2019-03-28 12:04:05,551 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 29.77/52.61 [2019-03-28 12:04:05,551 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 29.77/52.61 [2019-03-28 12:04:05,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 29.77/52.61 [2019-03-28 12:04:05,573 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 29.77/52.61 [2019-03-28 12:04:05,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 29.77/52.61 [2019-03-28 12:04:05,573 INFO L119 BuchiIsEmpty]: Starting construction of run 29.77/52.61 [2019-03-28 12:04:05,578 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 29.77/52.61 [2019-03-28 12:04:05,579 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 29.77/52.61 [2019-03-28 12:04:05,579 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 29.77/52.61 [2019-03-28 12:04:05,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 29.77/52.61 [2019-03-28 12:04:05,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 29.77/52.61 [2019-03-28 12:04:05,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 29.77/52.61 [2019-03-28 12:04:05,580 INFO L119 BuchiIsEmpty]: Starting construction of run 29.77/52.61 [2019-03-28 12:04:05,580 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 29.77/52.61 [2019-03-28 12:04:05,580 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 29.77/52.61 [2019-03-28 12:04:05,585 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [23] ULTIMATE.startENTRY-->L22-2: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~old_x~0=v_ULTIMATE.start_main_~old_x~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~old_x~0, ULTIMATE.start_main_~x~0] 4#L22-2true 29.77/52.62 [2019-03-28 12:04:05,586 INFO L796 eck$LassoCheckResult]: Loop: 4#L22-2true [38] L22-2-->L22-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 |v_ULTIMATE.start_main_#t~nondet1_5|) (<= (+ (* 2 v_ULTIMATE.start_main_~old_x~0_5) 10) v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~old_x~0_5 v_ULTIMATE.start_main_~x~0_10) (< v_ULTIMATE.start_main_~x~0_10 100) (< 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_4|, ULTIMATE.start_main_~old_x~0=v_ULTIMATE.start_main_~old_x~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~old_x~0, ULTIMATE.start_main_~x~0] 4#L22-2true 29.77/52.62 [2019-03-28 12:04:05,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 29.77/52.62 [2019-03-28 12:04:05,592 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times 29.77/52.62 [2019-03-28 12:04:05,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 29.77/52.62 [2019-03-28 12:04:05,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 29.77/52.62 [2019-03-28 12:04:05,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 29.77/52.62 [2019-03-28 12:04:05,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 29.77/52.62 [2019-03-28 12:04:05,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 29.77/52.62 [2019-03-28 12:04:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 29.77/52.62 [2019-03-28 12:04:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 29.77/52.62 [2019-03-28 12:04:05,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 29.77/52.62 [2019-03-28 12:04:05,657 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times 29.77/52.62 [2019-03-28 12:04:05,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 29.77/52.62 [2019-03-28 12:04:05,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 29.77/52.62 [2019-03-28 12:04:05,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 29.77/52.62 [2019-03-28 12:04:05,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 29.77/52.62 [2019-03-28 12:04:05,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 29.77/52.62 [2019-03-28 12:04:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 29.77/52.62 [2019-03-28 12:04:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 29.77/52.62 [2019-03-28 12:04:05,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 29.77/52.62 [2019-03-28 12:04:05,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1712, now seen corresponding path program 1 times 29.77/52.62 [2019-03-28 12:04:05,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 29.77/52.62 [2019-03-28 12:04:05,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 29.77/52.62 [2019-03-28 12:04:05,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 29.77/52.62 [2019-03-28 12:04:05,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 29.77/52.62 [2019-03-28 12:04:05,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 29.77/52.62 [2019-03-28 12:04:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 29.77/52.62 [2019-03-28 12:04:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 29.77/52.62 [2019-03-28 12:04:05,753 INFO L216 LassoAnalysis]: Preferences: 29.77/52.62 [2019-03-28 12:04:05,754 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 29.77/52.62 [2019-03-28 12:04:05,754 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 29.77/52.62 [2019-03-28 12:04:05,755 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 29.77/52.62 [2019-03-28 12:04:05,755 INFO L127 ssoRankerPreferences]: Use exernal solver: true 29.77/52.62 [2019-03-28 12:04:05,755 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 29.77/52.62 [2019-03-28 12:04:05,755 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 29.77/52.62 [2019-03-28 12:04:05,755 INFO L130 ssoRankerPreferences]: Path of dumped script: 29.77/52.62 [2019-03-28 12:04:05,755 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 29.77/52.62 [2019-03-28 12:04:05,756 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 29.77/52.62 [2019-03-28 12:04:05,756 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 29.77/52.62 [2019-03-28 12:04:05,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 29.77/52.62 [2019-03-28 12:04:05,854 INFO L300 LassoAnalysis]: Preprocessing complete. 29.77/52.62 [2019-03-28 12:04:05,855 INFO L412 LassoAnalysis]: Checking for nontermination... 29.77/52.62 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 29.77/52.62 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 29.77/52.62 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 29.77/52.62 [2019-03-28 12:04:05,863 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 29.77/52.62 [2019-03-28 12:04:05,863 INFO L163 nArgumentSynthesizer]: Using integer mode. 29.77/52.62 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 29.77/52.62 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 29.77/52.62 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 29.77/52.62 [2019-03-28 12:04:10,919 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 29.77/52.62 [2019-03-28 12:04:10,919 INFO L163 nArgumentSynthesizer]: Using integer mode. 29.77/52.62 [2019-03-28 12:04:22,987 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. 29.77/52.62 [2019-03-28 12:04:23,000 INFO L216 LassoAnalysis]: Preferences: 29.77/52.62 [2019-03-28 12:04:23,000 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 29.77/52.62 [2019-03-28 12:04:23,000 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 29.77/52.62 [2019-03-28 12:04:23,000 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 29.77/52.62 [2019-03-28 12:04:23,001 INFO L127 ssoRankerPreferences]: Use exernal solver: false 29.77/52.62 [2019-03-28 12:04:23,001 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 29.77/52.62 [2019-03-28 12:04:23,001 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 29.77/52.62 [2019-03-28 12:04:23,001 INFO L130 ssoRankerPreferences]: Path of dumped script: 29.77/52.62 [2019-03-28 12:04:23,001 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 29.77/52.62 [2019-03-28 12:04:23,001 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 29.77/52.62 [2019-03-28 12:04:23,001 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 29.77/52.62 [2019-03-28 12:04:23,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 29.77/52.62 [2019-03-28 12:04:23,074 INFO L300 LassoAnalysis]: Preprocessing complete. 29.77/52.62 [2019-03-28 12:04:23,080 INFO L497 LassoAnalysis]: Using template 'affine'. 29.77/52.62 [2019-03-28 12:04:23,082 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 29.77/52.62 Termination analysis: LINEAR_WITH_GUESSES 29.77/52.62 Number of strict supporting invariants: 0 29.77/52.62 Number of non-strict supporting invariants: 1 29.77/52.62 Consider only non-deceasing supporting invariants: true 29.77/52.62 Simplify termination arguments: true 29.77/52.62 Simplify supporting invariants: trueOverapproximate stem: false 29.77/52.62 [2019-03-28 12:04:23,083 INFO L339 nArgumentSynthesizer]: Template has degree 0. 29.77/52.62 [2019-03-28 12:04:23,083 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 29.77/52.62 [2019-03-28 12:04:23,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 29.77/52.62 [2019-03-28 12:04:23,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 29.77/52.62 [2019-03-28 12:04:23,084 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 29.77/52.62 [2019-03-28 12:04:23,088 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 29.77/52.62 [2019-03-28 12:04:23,089 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 29.77/52.62 [2019-03-28 12:04:23,102 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 29.77/52.62 [2019-03-28 12:04:23,113 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 29.77/52.62 [2019-03-28 12:04:23,113 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 29.77/52.62 [2019-03-28 12:04:23,116 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 29.77/52.62 [2019-03-28 12:04:23,116 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 29.77/52.62 [2019-03-28 12:04:23,117 INFO L518 LassoAnalysis]: Proved termination. 29.77/52.62 [2019-03-28 12:04:23,117 INFO L520 LassoAnalysis]: Termination argument consisting of: 29.77/52.62 Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 209 29.77/52.62 Supporting invariants [] 29.77/52.62 [2019-03-28 12:04:23,119 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 29.77/52.62 [2019-03-28 12:04:23,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 29.77/52.62 [2019-03-28 12:04:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 29.77/52.62 [2019-03-28 12:04:23,164 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 29.77/52.62 [2019-03-28 12:04:23,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... 29.77/52.62 [2019-03-28 12:04:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 29.77/52.62 [2019-03-28 12:04:23,177 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core 29.77/52.62 [2019-03-28 12:04:23,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... 29.77/52.62 [2019-03-28 12:04:23,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 29.77/52.62 [2019-03-28 12:04:23,190 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 29.77/52.62 [2019-03-28 12:04:23,195 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 29.77/52.62 [2019-03-28 12:04:23,198 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 29.77/52.62 [2019-03-28 12:04:23,217 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 29.77/52.62 [2019-03-28 12:04:23,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 29.77/52.62 [2019-03-28 12:04:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 29.77/52.62 [2019-03-28 12:04:23,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 29.77/52.62 [2019-03-28 12:04:23,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 29.77/52.62 [2019-03-28 12:04:23,222 INFO L116 BuchiAccepts]: Finished buchiAccepts. 29.77/52.62 [2019-03-28 12:04:23,222 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 29.77/52.62 [2019-03-28 12:04:23,222 INFO L116 BuchiAccepts]: Finished buchiAccepts. 29.77/52.62 [2019-03-28 12:04:23,222 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 29.77/52.62 [2019-03-28 12:04:23,222 INFO L116 BuchiAccepts]: Finished buchiAccepts. 29.77/52.62 [2019-03-28 12:04:23,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 29.77/52.62 [2019-03-28 12:04:23,227 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 29.77/52.62 [2019-03-28 12:04:23,230 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 29.77/52.62 [2019-03-28 12:04:23,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 29.77/52.62 [2019-03-28 12:04:23,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 29.77/52.62 [2019-03-28 12:04:23,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 29.77/52.62 [2019-03-28 12:04:23,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 29.77/52.62 [2019-03-28 12:04:23,233 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 29.77/52.62 [2019-03-28 12:04:23,233 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 29.77/52.62 [2019-03-28 12:04:23,233 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 29.77/52.62 [2019-03-28 12:04:23,233 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 29.77/52.62 [2019-03-28 12:04:23,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 29.77/52.62 [2019-03-28 12:04:23,233 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 29.77/52.62 [2019-03-28 12:04:23,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 29.77/52.62 [2019-03-28 12:04:23,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:04:23 BasicIcfg 29.77/52.62 [2019-03-28 12:04:23,239 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 29.77/52.62 [2019-03-28 12:04:23,240 INFO L168 Benchmark]: Toolchain (without parser) took 18494.99 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 521.1 MB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 50.3 GB. 29.77/52.62 [2019-03-28 12:04:23,242 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 584.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 29.77/52.62 [2019-03-28 12:04:23,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.63 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 617.2 MB in the end (delta: -53.4 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. 29.77/52.62 [2019-03-28 12:04:23,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.37 ms. Allocated memory is still 649.6 MB. Free memory was 617.2 MB in the beginning and 614.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 29.77/52.62 [2019-03-28 12:04:23,244 INFO L168 Benchmark]: Boogie Preprocessor took 18.95 ms. Allocated memory is still 649.6 MB. Free memory was 614.4 MB in the beginning and 613.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 29.77/52.62 [2019-03-28 12:04:23,244 INFO L168 Benchmark]: RCFGBuilder took 183.42 ms. Allocated memory is still 649.6 MB. Free memory was 613.3 MB in the beginning and 600.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 50.3 GB. 29.77/52.62 [2019-03-28 12:04:23,245 INFO L168 Benchmark]: BlockEncodingV2 took 79.44 ms. Allocated memory is still 649.6 MB. Free memory was 600.5 MB in the beginning and 595.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 29.77/52.62 [2019-03-28 12:04:23,245 INFO L168 Benchmark]: TraceAbstraction took 162.42 ms. Allocated memory is still 649.6 MB. Free memory was 595.1 MB in the beginning and 586.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 29.77/52.62 [2019-03-28 12:04:23,246 INFO L168 Benchmark]: BuchiAutomizer took 17727.47 ms. Allocated memory is still 649.6 MB. Free memory was 585.3 MB in the beginning and 521.1 MB in the end (delta: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 50.3 GB. 29.77/52.62 [2019-03-28 12:04:23,251 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 29.77/52.62 --- Results --- 29.77/52.62 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 29.77/52.62 - StatisticsResult: Initial Icfg 29.77/52.62 7 locations, 9 edges 29.77/52.62 - StatisticsResult: Encoded RCFG 29.77/52.62 2 locations, 2 edges 29.77/52.62 * Results from de.uni_freiburg.informatik.ultimate.core: 29.77/52.62 - StatisticsResult: Toolchain Benchmarks 29.77/52.62 Benchmark results are: 29.77/52.62 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 584.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 29.77/52.62 * CACSL2BoogieTranslator took 283.63 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 617.2 MB in the end (delta: -53.4 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. 29.77/52.62 * Boogie Procedure Inliner took 34.37 ms. Allocated memory is still 649.6 MB. Free memory was 617.2 MB in the beginning and 614.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 29.77/52.62 * Boogie Preprocessor took 18.95 ms. Allocated memory is still 649.6 MB. Free memory was 614.4 MB in the beginning and 613.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 29.77/52.62 * RCFGBuilder took 183.42 ms. Allocated memory is still 649.6 MB. Free memory was 613.3 MB in the beginning and 600.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 50.3 GB. 29.77/52.62 * BlockEncodingV2 took 79.44 ms. Allocated memory is still 649.6 MB. Free memory was 600.5 MB in the beginning and 595.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 29.77/52.62 * TraceAbstraction took 162.42 ms. Allocated memory is still 649.6 MB. Free memory was 595.1 MB in the beginning and 586.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 29.77/52.62 * BuchiAutomizer took 17727.47 ms. Allocated memory is still 649.6 MB. Free memory was 585.3 MB in the beginning and 521.1 MB in the end (delta: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 50.3 GB. 29.77/52.62 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 29.77/52.62 - AllSpecificationsHoldResult: All specifications hold 29.77/52.62 We were not able to verify any specifiation because the program does not contain any specification. 29.77/52.62 - InvariantResult [Line: 22]: Loop Invariant 29.77/52.62 Derived loop invariant: 1 29.77/52.62 - StatisticsResult: Ultimate Automizer benchmark data 29.77/52.62 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 29.77/52.62 - StatisticsResult: Constructed decomposition of program 29.77/52.62 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function -2 * x + 209 and consists of 2 locations. 29.77/52.62 - StatisticsResult: Timing statistics 29.77/52.62 BüchiAutomizer plugin needed 17.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 17.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq138 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 17.1s 29.77/52.62 - TerminationAnalysisResult: Termination proven 29.77/52.62 Buchi Automizer proved that your program is terminating 29.77/52.62 RESULT: Ultimate proved your program to be correct! 29.77/52.62 29.77/52.62 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:04:23.480 29.77/52.62 !MESSAGE The workspace will exit with unsaved changes in this session. 29.77/52.62 Received shutdown request... 29.77/52.62 Ultimate: 29.77/52.62 GTK+ Version Check 29.77/52.62 EOF