13.37/6.46 NO 13.37/6.46 13.37/6.46 Ultimate: Cannot open display: 13.37/6.46 This is Ultimate 0.1.24-8dc7c08-m 13.37/6.46 [2019-03-28 22:49:44,844 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.37/6.46 [2019-03-28 22:49:44,846 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.37/6.46 [2019-03-28 22:49:44,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.37/6.46 [2019-03-28 22:49:44,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.37/6.46 [2019-03-28 22:49:44,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.37/6.46 [2019-03-28 22:49:44,860 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.37/6.46 [2019-03-28 22:49:44,862 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.37/6.46 [2019-03-28 22:49:44,863 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.37/6.47 [2019-03-28 22:49:44,864 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.37/6.47 [2019-03-28 22:49:44,865 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.37/6.47 [2019-03-28 22:49:44,865 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.37/6.47 [2019-03-28 22:49:44,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.37/6.47 [2019-03-28 22:49:44,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.37/6.47 [2019-03-28 22:49:44,868 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.37/6.47 [2019-03-28 22:49:44,869 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.37/6.47 [2019-03-28 22:49:44,869 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.37/6.47 [2019-03-28 22:49:44,872 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.37/6.47 [2019-03-28 22:49:44,874 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.37/6.47 [2019-03-28 22:49:44,875 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.37/6.47 [2019-03-28 22:49:44,876 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.37/6.47 [2019-03-28 22:49:44,877 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.37/6.47 [2019-03-28 22:49:44,879 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.37/6.47 [2019-03-28 22:49:44,880 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.37/6.47 [2019-03-28 22:49:44,880 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.37/6.47 [2019-03-28 22:49:44,880 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.37/6.47 [2019-03-28 22:49:44,881 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.37/6.47 [2019-03-28 22:49:44,882 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.37/6.47 [2019-03-28 22:49:44,882 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.37/6.47 [2019-03-28 22:49:44,883 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.37/6.47 [2019-03-28 22:49:44,883 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.37/6.47 [2019-03-28 22:49:44,884 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.37/6.47 [2019-03-28 22:49:44,885 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.37/6.47 [2019-03-28 22:49:44,885 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.37/6.47 [2019-03-28 22:49:44,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.37/6.47 [2019-03-28 22:49:44,886 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.37/6.47 [2019-03-28 22:49:44,886 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.37/6.47 [2019-03-28 22:49:44,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.37/6.47 [2019-03-28 22:49:44,888 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.37/6.47 [2019-03-28 22:49:44,888 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.37/6.47 [2019-03-28 22:49:44,903 INFO L110 SettingsManager]: Loading preferences was successful 13.37/6.47 [2019-03-28 22:49:44,903 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.37/6.47 [2019-03-28 22:49:44,904 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.37/6.47 [2019-03-28 22:49:44,905 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.37/6.47 [2019-03-28 22:49:44,905 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.37/6.47 [2019-03-28 22:49:44,905 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.37/6.47 [2019-03-28 22:49:44,905 INFO L133 SettingsManager]: * Use SBE=true 13.37/6.47 [2019-03-28 22:49:44,905 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.37/6.47 [2019-03-28 22:49:44,905 INFO L133 SettingsManager]: * Use old map elimination=false 13.37/6.47 [2019-03-28 22:49:44,906 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.37/6.47 [2019-03-28 22:49:44,906 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.37/6.47 [2019-03-28 22:49:44,906 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.37/6.47 [2019-03-28 22:49:44,906 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.37/6.47 [2019-03-28 22:49:44,906 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.37/6.47 [2019-03-28 22:49:44,906 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.37/6.47 [2019-03-28 22:49:44,907 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.37/6.47 [2019-03-28 22:49:44,907 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.37/6.47 [2019-03-28 22:49:44,907 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.37/6.47 [2019-03-28 22:49:44,907 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.37/6.47 [2019-03-28 22:49:44,907 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.37/6.47 [2019-03-28 22:49:44,907 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.37/6.47 [2019-03-28 22:49:44,908 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.37/6.47 [2019-03-28 22:49:44,908 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.37/6.47 [2019-03-28 22:49:44,908 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.37/6.47 [2019-03-28 22:49:44,908 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.37/6.47 [2019-03-28 22:49:44,908 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.37/6.47 [2019-03-28 22:49:44,909 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.37/6.47 [2019-03-28 22:49:44,909 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.37/6.47 [2019-03-28 22:49:44,909 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.37/6.47 [2019-03-28 22:49:44,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.37/6.47 [2019-03-28 22:49:44,948 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.37/6.47 [2019-03-28 22:49:44,951 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.37/6.47 [2019-03-28 22:49:44,953 INFO L271 PluginConnector]: Initializing CDTParser... 13.37/6.47 [2019-03-28 22:49:44,953 INFO L276 PluginConnector]: CDTParser initialized 13.37/6.47 [2019-03-28 22:49:44,954 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.37/6.47 [2019-03-28 22:49:45,014 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/e55ce6d531824bc0ae2ac933ad47f9b6/FLAGe20c9d641 13.37/6.47 !SESSION 2019-03-28 22:49:42.542 ----------------------------------------------- 13.37/6.47 eclipse.buildId=unknown 13.37/6.47 java.version=1.8.0_181 13.37/6.47 java.vendor=Oracle Corporation 13.37/6.47 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.37/6.47 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.37/6.47 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.37/6.47 13.37/6.47 !ENTRY org.eclipse.cdt.core 1 0 2019-03-28 22:49:45.292 13.37/6.47 !MESSAGE Indexed 'FLAGe20c9d641' (0 sources, 0 headers) in 0.006 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) 13.37/6.47 [2019-03-28 22:49:45,367 INFO L307 CDTParser]: Found 1 translation units. 13.37/6.47 [2019-03-28 22:49:45,368 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.37/6.47 [2019-03-28 22:49:45,374 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/e55ce6d531824bc0ae2ac933ad47f9b6/FLAGe20c9d641 13.37/6.47 [2019-03-28 22:49:45,830 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/e55ce6d531824bc0ae2ac933ad47f9b6 13.37/6.47 [2019-03-28 22:49:45,841 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.37/6.47 [2019-03-28 22:49:45,843 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.37/6.47 [2019-03-28 22:49:45,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.37/6.47 [2019-03-28 22:49:45,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.37/6.47 [2019-03-28 22:49:45,848 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.37/6.47 [2019-03-28 22:49:45,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:49:45" (1/1) ... 13.37/6.47 [2019-03-28 22:49:45,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f43b5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:45, skipping insertion in model container 13.37/6.47 [2019-03-28 22:49:45,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:49:45" (1/1) ... 13.37/6.47 [2019-03-28 22:49:45,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.37/6.47 [2019-03-28 22:49:45,878 INFO L176 MainTranslator]: Built tables and reachable declarations 13.37/6.47 [2019-03-28 22:49:46,032 INFO L206 PostProcessor]: Analyzing one entry point: main 13.37/6.47 [2019-03-28 22:49:46,036 INFO L191 MainTranslator]: Completed pre-run 13.37/6.47 [2019-03-28 22:49:46,051 INFO L206 PostProcessor]: Analyzing one entry point: main 13.37/6.47 [2019-03-28 22:49:46,119 INFO L195 MainTranslator]: Completed translation 13.37/6.47 [2019-03-28 22:49:46,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46 WrapperNode 13.37/6.47 [2019-03-28 22:49:46,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.37/6.47 [2019-03-28 22:49:46,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.37/6.47 [2019-03-28 22:49:46,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.37/6.47 [2019-03-28 22:49:46,121 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.37/6.47 [2019-03-28 22:49:46,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46" (1/1) ... 13.37/6.47 [2019-03-28 22:49:46,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46" (1/1) ... 13.37/6.47 [2019-03-28 22:49:46,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.37/6.47 [2019-03-28 22:49:46,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.37/6.47 [2019-03-28 22:49:46,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.37/6.47 [2019-03-28 22:49:46,155 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.37/6.47 [2019-03-28 22:49:46,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46" (1/1) ... 13.37/6.47 [2019-03-28 22:49:46,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46" (1/1) ... 13.37/6.47 [2019-03-28 22:49:46,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46" (1/1) ... 13.37/6.47 [2019-03-28 22:49:46,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46" (1/1) ... 13.37/6.47 [2019-03-28 22:49:46,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46" (1/1) ... 13.37/6.47 [2019-03-28 22:49:46,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46" (1/1) ... 13.37/6.47 [2019-03-28 22:49:46,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46" (1/1) ... 13.37/6.47 [2019-03-28 22:49:46,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.37/6.47 [2019-03-28 22:49:46,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.37/6.47 [2019-03-28 22:49:46,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.37/6.47 [2019-03-28 22:49:46,174 INFO L276 PluginConnector]: RCFGBuilder initialized 13.37/6.47 [2019-03-28 22:49:46,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46" (1/1) ... 13.37/6.47 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.37/6.47 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.37/6.47 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.37/6.47 [2019-03-28 22:49:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.37/6.47 [2019-03-28 22:49:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.37/6.47 [2019-03-28 22:49:46,366 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.37/6.47 [2019-03-28 22:49:46,366 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.37/6.47 [2019-03-28 22:49:46,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:49:46 BoogieIcfgContainer 13.37/6.47 [2019-03-28 22:49:46,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.37/6.47 [2019-03-28 22:49:46,368 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.37/6.47 [2019-03-28 22:49:46,368 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.37/6.47 [2019-03-28 22:49:46,370 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.37/6.47 [2019-03-28 22:49:46,371 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:49:46" (1/1) ... 13.37/6.47 [2019-03-28 22:49:46,385 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 13.37/6.47 [2019-03-28 22:49:46,386 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.37/6.47 [2019-03-28 22:49:46,387 INFO L263 BlockEncoder]: Using Maximize final states 13.37/6.47 [2019-03-28 22:49:46,388 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.37/6.47 [2019-03-28 22:49:46,388 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.37/6.47 [2019-03-28 22:49:46,390 INFO L296 BlockEncoder]: Using Remove sink states 13.37/6.47 [2019-03-28 22:49:46,391 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.37/6.47 [2019-03-28 22:49:46,391 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.37/6.47 [2019-03-28 22:49:46,408 INFO L185 BlockEncoder]: Using Use SBE 13.37/6.47 [2019-03-28 22:49:46,421 INFO L200 BlockEncoder]: SBE split 1 edges 13.37/6.47 [2019-03-28 22:49:46,426 INFO L70 emoveInfeasibleEdges]: Removed 5 edges and 4 locations because of local infeasibility 13.37/6.47 [2019-03-28 22:49:46,427 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.37/6.47 [2019-03-28 22:49:46,429 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.37/6.47 [2019-03-28 22:49:46,431 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.37/6.47 [2019-03-28 22:49:46,432 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.37/6.47 [2019-03-28 22:49:46,432 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.37/6.47 [2019-03-28 22:49:46,433 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.37/6.47 [2019-03-28 22:49:46,433 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.37/6.47 [2019-03-28 22:49:46,433 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 7 edges 13.37/6.47 [2019-03-28 22:49:46,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:49:46 BasicIcfg 13.37/6.47 [2019-03-28 22:49:46,434 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.37/6.47 [2019-03-28 22:49:46,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.37/6.47 [2019-03-28 22:49:46,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.37/6.47 [2019-03-28 22:49:46,438 INFO L276 PluginConnector]: TraceAbstraction initialized 13.37/6.47 [2019-03-28 22:49:46,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:49:45" (1/4) ... 13.37/6.47 [2019-03-28 22:49:46,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4250e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:49:46, skipping insertion in model container 13.37/6.47 [2019-03-28 22:49:46,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46" (2/4) ... 13.37/6.47 [2019-03-28 22:49:46,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4250e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:49:46, skipping insertion in model container 13.37/6.47 [2019-03-28 22:49:46,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:49:46" (3/4) ... 13.37/6.47 [2019-03-28 22:49:46,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4250e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:49:46, skipping insertion in model container 13.37/6.47 [2019-03-28 22:49:46,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:49:46" (4/4) ... 13.37/6.47 [2019-03-28 22:49:46,442 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.37/6.47 [2019-03-28 22:49:46,453 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.37/6.47 [2019-03-28 22:49:46,460 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.37/6.47 [2019-03-28 22:49:46,477 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.37/6.47 [2019-03-28 22:49:46,506 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.37/6.47 [2019-03-28 22:49:46,507 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.37/6.47 [2019-03-28 22:49:46,507 INFO L383 AbstractCegarLoop]: Hoare is true 13.37/6.47 [2019-03-28 22:49:46,507 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.37/6.47 [2019-03-28 22:49:46,508 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.37/6.47 [2019-03-28 22:49:46,508 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.37/6.47 [2019-03-28 22:49:46,508 INFO L387 AbstractCegarLoop]: Difference is false 13.37/6.47 [2019-03-28 22:49:46,508 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.37/6.47 [2019-03-28 22:49:46,508 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.37/6.47 [2019-03-28 22:49:46,522 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 13.37/6.47 [2019-03-28 22:49:46,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.37/6.47 [2019-03-28 22:49:46,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 13.37/6.47 [2019-03-28 22:49:46,579 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.37/6.47 [2019-03-28 22:49:46,580 INFO L451 ceAbstractionStarter]: At program point L13-1(lines 9 16) the Hoare annotation is: true 13.37/6.47 [2019-03-28 22:49:46,580 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 12) no Hoare annotation was computed. 13.37/6.47 [2019-03-28 22:49:46,580 INFO L448 ceAbstractionStarter]: For program point L10-2(lines 9 16) no Hoare annotation was computed. 13.37/6.47 [2019-03-28 22:49:46,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:49:46 BasicIcfg 13.37/6.47 [2019-03-28 22:49:46,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.37/6.47 [2019-03-28 22:49:46,589 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.37/6.47 [2019-03-28 22:49:46,589 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.37/6.47 [2019-03-28 22:49:46,593 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.37/6.47 [2019-03-28 22:49:46,593 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.37/6.47 [2019-03-28 22:49:46,594 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:49:45" (1/5) ... 13.37/6.47 [2019-03-28 22:49:46,594 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75458f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:49:46, skipping insertion in model container 13.37/6.47 [2019-03-28 22:49:46,594 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.37/6.47 [2019-03-28 22:49:46,595 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:46" (2/5) ... 13.37/6.47 [2019-03-28 22:49:46,595 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75458f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:49:46, skipping insertion in model container 13.37/6.47 [2019-03-28 22:49:46,595 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.37/6.47 [2019-03-28 22:49:46,595 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:49:46" (3/5) ... 13.37/6.47 [2019-03-28 22:49:46,596 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75458f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:49:46, skipping insertion in model container 13.37/6.47 [2019-03-28 22:49:46,596 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.37/6.47 [2019-03-28 22:49:46,596 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:49:46" (4/5) ... 13.37/6.47 [2019-03-28 22:49:46,596 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75458f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:49:46, skipping insertion in model container 13.37/6.47 [2019-03-28 22:49:46,597 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.37/6.47 [2019-03-28 22:49:46,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:49:46" (5/5) ... 13.37/6.47 [2019-03-28 22:49:46,598 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.37/6.47 [2019-03-28 22:49:46,623 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.37/6.47 [2019-03-28 22:49:46,624 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.37/6.47 [2019-03-28 22:49:46,624 INFO L375 BuchiCegarLoop]: Hoare is true 13.37/6.47 [2019-03-28 22:49:46,624 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.37/6.47 [2019-03-28 22:49:46,624 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.37/6.47 [2019-03-28 22:49:46,625 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.37/6.47 [2019-03-28 22:49:46,625 INFO L379 BuchiCegarLoop]: Difference is false 13.37/6.47 [2019-03-28 22:49:46,625 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.37/6.47 [2019-03-28 22:49:46,625 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.37/6.47 [2019-03-28 22:49:46,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 13.37/6.47 [2019-03-28 22:49:46,645 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 13.37/6.47 [2019-03-28 22:49:46,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.37/6.47 [2019-03-28 22:49:46,646 INFO L119 BuchiIsEmpty]: Starting construction of run 13.37/6.47 [2019-03-28 22:49:46,651 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.37/6.47 [2019-03-28 22:49:46,651 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.37/6.47 [2019-03-28 22:49:46,651 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.37/6.47 [2019-03-28 22:49:46,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 13.37/6.47 [2019-03-28 22:49:46,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 13.37/6.47 [2019-03-28 22:49:46,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.37/6.47 [2019-03-28 22:49:46,652 INFO L119 BuchiIsEmpty]: Starting construction of run 13.37/6.47 [2019-03-28 22:49:46,652 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.37/6.47 [2019-03-28 22:49:46,653 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.37/6.47 [2019-03-28 22:49:46,658 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [32] ULTIMATE.startENTRY-->L13-1: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L13-1true 13.37/6.47 [2019-03-28 22:49:46,658 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-1true [44] L13-1-->L10: Formula: (< 0 v_rep~unnamed0~0~true_1) InVars {v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1} OutVars{v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1} AuxVars[] AssignedVars[] 3#L10true [42] L10-->L10-2: Formula: (>= 0 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 6#L10-2true [38] L10-2-->L13-1: Formula: (and (< v_ULTIMATE.start_main_~i~0_7 0) (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L13-1true 13.37/6.47 [2019-03-28 22:49:46,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.37/6.47 [2019-03-28 22:49:46,664 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times 13.37/6.47 [2019-03-28 22:49:46,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.37/6.47 [2019-03-28 22:49:46,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.37/6.47 [2019-03-28 22:49:46,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:46,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:46,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:46,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.37/6.47 [2019-03-28 22:49:46,734 INFO L82 PathProgramCache]: Analyzing trace with hash 73415, now seen corresponding path program 1 times 13.37/6.47 [2019-03-28 22:49:46,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.37/6.47 [2019-03-28 22:49:46,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.37/6.47 [2019-03-28 22:49:46,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:46,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:46,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:46,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.37/6.47 [2019-03-28 22:49:46,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1920457, now seen corresponding path program 1 times 13.37/6.47 [2019-03-28 22:49:46,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.37/6.47 [2019-03-28 22:49:46,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.37/6.47 [2019-03-28 22:49:46,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:46,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:46,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:46,814 INFO L216 LassoAnalysis]: Preferences: 13.37/6.47 [2019-03-28 22:49:46,815 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.37/6.47 [2019-03-28 22:49:46,816 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.37/6.47 [2019-03-28 22:49:46,816 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.37/6.47 [2019-03-28 22:49:46,816 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.37/6.47 [2019-03-28 22:49:46,816 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.37/6.47 [2019-03-28 22:49:46,816 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.37/6.47 [2019-03-28 22:49:46,816 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.37/6.47 [2019-03-28 22:49:46,817 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.37/6.47 [2019-03-28 22:49:46,817 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.37/6.47 [2019-03-28 22:49:46,817 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.37/6.47 [2019-03-28 22:49:46,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.37/6.47 [2019-03-28 22:49:46,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.37/6.47 [2019-03-28 22:49:46,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.37/6.47 [2019-03-28 22:49:46,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.37/6.47 [2019-03-28 22:49:46,935 INFO L300 LassoAnalysis]: Preprocessing complete. 13.37/6.47 [2019-03-28 22:49:46,936 INFO L412 LassoAnalysis]: Checking for nontermination... 13.37/6.47 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.37/6.47 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.37/6.47 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.37/6.47 [2019-03-28 22:49:46,953 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.37/6.47 [2019-03-28 22:49:46,954 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.37/6.47 [2019-03-28 22:49:46,987 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.37/6.47 [2019-03-28 22:49:46,988 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.37/6.47 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.37/6.47 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.37/6.47 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.37/6.47 [2019-03-28 22:49:46,994 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.37/6.47 [2019-03-28 22:49:46,994 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.37/6.47 [2019-03-28 22:49:47,022 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.37/6.47 [2019-03-28 22:49:47,022 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.37/6.47 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.37/6.47 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.37/6.47 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.37/6.47 [2019-03-28 22:49:47,027 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.37/6.47 [2019-03-28 22:49:47,027 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.37/6.47 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.37/6.47 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.37/6.47 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.37/6.47 [2019-03-28 22:49:47,059 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.37/6.47 [2019-03-28 22:49:47,059 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.37/6.47 [2019-03-28 22:49:47,092 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.37/6.47 [2019-03-28 22:49:47,094 INFO L216 LassoAnalysis]: Preferences: 13.37/6.47 [2019-03-28 22:49:47,094 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.37/6.47 [2019-03-28 22:49:47,094 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.37/6.47 [2019-03-28 22:49:47,094 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.37/6.47 [2019-03-28 22:49:47,094 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.37/6.47 [2019-03-28 22:49:47,095 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.37/6.47 [2019-03-28 22:49:47,095 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.37/6.47 [2019-03-28 22:49:47,095 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.37/6.47 [2019-03-28 22:49:47,095 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.37/6.47 [2019-03-28 22:49:47,095 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.37/6.47 [2019-03-28 22:49:47,095 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.37/6.47 [2019-03-28 22:49:47,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.37/6.47 [2019-03-28 22:49:47,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.37/6.47 [2019-03-28 22:49:47,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.37/6.47 [2019-03-28 22:49:47,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.37/6.47 [2019-03-28 22:49:47,180 INFO L300 LassoAnalysis]: Preprocessing complete. 13.37/6.47 [2019-03-28 22:49:47,186 INFO L497 LassoAnalysis]: Using template 'affine'. 13.37/6.47 [2019-03-28 22:49:47,188 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.37/6.47 Termination analysis: LINEAR_WITH_GUESSES 13.37/6.47 Number of strict supporting invariants: 0 13.37/6.47 Number of non-strict supporting invariants: 1 13.37/6.47 Consider only non-deceasing supporting invariants: true 13.37/6.47 Simplify termination arguments: true 13.37/6.47 Simplify supporting invariants: trueOverapproximate stem: false 13.37/6.47 [2019-03-28 22:49:47,189 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.37/6.47 [2019-03-28 22:49:47,190 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.37/6.47 [2019-03-28 22:49:47,190 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.37/6.47 [2019-03-28 22:49:47,190 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.37/6.47 [2019-03-28 22:49:47,195 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.37/6.47 [2019-03-28 22:49:47,195 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.37/6.47 [2019-03-28 22:49:47,206 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.37/6.47 [2019-03-28 22:49:47,206 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.37/6.47 Termination analysis: LINEAR_WITH_GUESSES 13.37/6.47 Number of strict supporting invariants: 0 13.37/6.47 Number of non-strict supporting invariants: 1 13.37/6.47 Consider only non-deceasing supporting invariants: true 13.37/6.47 Simplify termination arguments: true 13.37/6.47 Simplify supporting invariants: trueOverapproximate stem: false 13.37/6.47 [2019-03-28 22:49:47,207 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.37/6.47 [2019-03-28 22:49:47,208 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.37/6.47 [2019-03-28 22:49:47,208 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.37/6.47 [2019-03-28 22:49:47,208 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.37/6.47 [2019-03-28 22:49:47,211 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.37/6.47 [2019-03-28 22:49:47,211 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.37/6.47 [2019-03-28 22:49:47,221 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.37/6.47 [2019-03-28 22:49:47,221 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.37/6.47 Termination analysis: LINEAR_WITH_GUESSES 13.37/6.47 Number of strict supporting invariants: 0 13.37/6.47 Number of non-strict supporting invariants: 1 13.37/6.47 Consider only non-deceasing supporting invariants: true 13.37/6.47 Simplify termination arguments: true 13.37/6.47 Simplify supporting invariants: trueOverapproximate stem: false 13.37/6.47 [2019-03-28 22:49:47,222 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.37/6.47 [2019-03-28 22:49:47,222 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.37/6.47 [2019-03-28 22:49:47,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.37/6.47 [2019-03-28 22:49:47,223 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.37/6.47 [2019-03-28 22:49:47,223 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.37/6.47 [2019-03-28 22:49:47,224 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.37/6.47 [2019-03-28 22:49:47,224 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.37/6.47 [2019-03-28 22:49:47,226 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.37/6.47 [2019-03-28 22:49:47,226 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.37/6.47 Termination analysis: LINEAR_WITH_GUESSES 13.37/6.47 Number of strict supporting invariants: 0 13.37/6.47 Number of non-strict supporting invariants: 1 13.37/6.47 Consider only non-deceasing supporting invariants: true 13.37/6.47 Simplify termination arguments: true 13.37/6.47 Simplify supporting invariants: trueOverapproximate stem: false 13.37/6.47 [2019-03-28 22:49:47,227 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.37/6.47 [2019-03-28 22:49:47,227 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.37/6.47 [2019-03-28 22:49:47,227 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.37/6.47 [2019-03-28 22:49:47,227 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.37/6.47 [2019-03-28 22:49:47,227 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.37/6.47 [2019-03-28 22:49:47,228 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.37/6.47 [2019-03-28 22:49:47,228 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.37/6.47 [2019-03-28 22:49:47,234 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.37/6.47 [2019-03-28 22:49:47,237 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.37/6.47 [2019-03-28 22:49:47,238 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 13.37/6.47 [2019-03-28 22:49:47,240 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.37/6.47 [2019-03-28 22:49:47,240 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.37/6.47 [2019-03-28 22:49:47,240 INFO L518 LassoAnalysis]: Proved termination. 13.37/6.47 [2019-03-28 22:49:47,242 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.37/6.47 Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 13.37/6.47 Supporting invariants [] 13.37/6.47 [2019-03-28 22:49:47,243 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.37/6.47 [2019-03-28 22:49:47,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.37/6.47 [2019-03-28 22:49:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.37/6.47 [2019-03-28 22:49:47,286 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 13.37/6.47 [2019-03-28 22:49:47,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.37/6.47 [2019-03-28 22:49:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.37/6.47 [2019-03-28 22:49:47,300 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 13.37/6.47 [2019-03-28 22:49:47,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.37/6.47 [2019-03-28 22:49:47,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.37/6.47 [2019-03-28 22:49:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.37/6.47 [2019-03-28 22:49:47,356 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 13.37/6.47 [2019-03-28 22:49:47,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.37/6.47 [2019-03-28 22:49:47,409 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 4 predicates after loop cannibalization 13.37/6.47 [2019-03-28 22:49:47,414 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 4 loop predicates 13.37/6.47 [2019-03-28 22:49:47,415 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. 13.37/6.47 [2019-03-28 22:49:47,507 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 4 states. Result 18 states and 35 transitions. Complement of second has 8 states. 13.37/6.47 [2019-03-28 22:49:47,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 2 non-accepting loop states 2 accepting loop states 13.37/6.47 [2019-03-28 22:49:47,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 13.37/6.47 [2019-03-28 22:49:47,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. 13.37/6.47 [2019-03-28 22:49:47,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 1 letters. Loop has 3 letters. 13.37/6.47 [2019-03-28 22:49:47,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.37/6.47 [2019-03-28 22:49:47,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 4 letters. Loop has 3 letters. 13.37/6.47 [2019-03-28 22:49:47,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.37/6.47 [2019-03-28 22:49:47,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 1 letters. Loop has 6 letters. 13.37/6.47 [2019-03-28 22:49:47,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.37/6.47 [2019-03-28 22:49:47,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 35 transitions. 13.37/6.47 [2019-03-28 22:49:47,523 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 13.37/6.47 [2019-03-28 22:49:47,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 15 states and 28 transitions. 13.37/6.47 [2019-03-28 22:49:47,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 13.37/6.47 [2019-03-28 22:49:47,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 13.37/6.47 [2019-03-28 22:49:47,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 28 transitions. 13.37/6.47 [2019-03-28 22:49:47,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.37/6.47 [2019-03-28 22:49:47,532 INFO L706 BuchiCegarLoop]: Abstraction has 15 states and 28 transitions. 13.37/6.47 [2019-03-28 22:49:47,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 28 transitions. 13.37/6.47 [2019-03-28 22:49:47,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. 13.37/6.47 [2019-03-28 22:49:47,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. 13.37/6.47 [2019-03-28 22:49:47,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 26 transitions. 13.37/6.47 [2019-03-28 22:49:47,563 INFO L729 BuchiCegarLoop]: Abstraction has 13 states and 26 transitions. 13.37/6.47 [2019-03-28 22:49:47,563 INFO L609 BuchiCegarLoop]: Abstraction has 13 states and 26 transitions. 13.37/6.47 [2019-03-28 22:49:47,563 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.37/6.47 [2019-03-28 22:49:47,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 26 transitions. 13.37/6.47 [2019-03-28 22:49:47,564 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 13.37/6.47 [2019-03-28 22:49:47,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.37/6.47 [2019-03-28 22:49:47,564 INFO L119 BuchiIsEmpty]: Starting construction of run 13.37/6.47 [2019-03-28 22:49:47,565 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 13.37/6.47 [2019-03-28 22:49:47,565 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.37/6.47 [2019-03-28 22:49:47,565 INFO L794 eck$LassoCheckResult]: Stem: 80#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L13-1: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 81#L13-1 [45] L13-1-->L10: Formula: (> 0 v_rep~unnamed0~0~true_1) InVars {v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1} OutVars{v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1} AuxVars[] AssignedVars[] 87#L10 [42] L10-->L10-2: Formula: (>= 0 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 77#L10-2 13.37/6.47 [2019-03-28 22:49:47,566 INFO L796 eck$LassoCheckResult]: Loop: 77#L10-2 [43] L10-2-->L13-1: Formula: (>= v_ULTIMATE.start_main_~i~0_8 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[] 82#L13-1 [44] L13-1-->L10: Formula: (< 0 v_rep~unnamed0~0~true_1) InVars {v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1} OutVars{v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1} AuxVars[] AssignedVars[] 76#L10 [42] L10-->L10-2: Formula: (>= 0 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 77#L10-2 13.37/6.47 [2019-03-28 22:49:47,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.37/6.47 [2019-03-28 22:49:47,566 INFO L82 PathProgramCache]: Analyzing trace with hash 61980, now seen corresponding path program 1 times 13.37/6.47 [2019-03-28 22:49:47,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.37/6.47 [2019-03-28 22:49:47,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.37/6.47 [2019-03-28 22:49:47,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:47,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.37/6.47 [2019-03-28 22:49:47,574 INFO L82 PathProgramCache]: Analyzing trace with hash 72520, now seen corresponding path program 1 times 13.37/6.47 [2019-03-28 22:49:47,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.37/6.47 [2019-03-28 22:49:47,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.37/6.47 [2019-03-28 22:49:47,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:47,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.37/6.47 [2019-03-28 22:49:47,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1846488909, now seen corresponding path program 1 times 13.37/6.47 [2019-03-28 22:49:47,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.37/6.47 [2019-03-28 22:49:47,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.37/6.47 [2019-03-28 22:49:47,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.37/6.47 [2019-03-28 22:49:47,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.37/6.47 [2019-03-28 22:49:47,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 13.37/6.47 [2019-03-28 22:49:47,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 13.37/6.47 [2019-03-28 22:49:47,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 13.37/6.47 [2019-03-28 22:49:47,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 13.37/6.47 [2019-03-28 22:49:47,643 INFO L87 Difference]: Start difference. First operand 13 states and 26 transitions. cyclomatic complexity: 16 Second operand 3 states. 13.37/6.47 [2019-03-28 22:49:47,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 13.37/6.47 [2019-03-28 22:49:47,664 INFO L93 Difference]: Finished difference Result 24 states and 42 transitions. 13.37/6.47 [2019-03-28 22:49:47,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 13.37/6.47 [2019-03-28 22:49:47,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 42 transitions. 13.37/6.47 [2019-03-28 22:49:47,669 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 13.37/6.47 [2019-03-28 22:49:47,670 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 42 transitions. 13.37/6.47 [2019-03-28 22:49:47,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 13.37/6.47 [2019-03-28 22:49:47,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 13.37/6.47 [2019-03-28 22:49:47,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 42 transitions. 13.37/6.47 [2019-03-28 22:49:47,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.37/6.47 [2019-03-28 22:49:47,671 INFO L706 BuchiCegarLoop]: Abstraction has 24 states and 42 transitions. 13.37/6.47 [2019-03-28 22:49:47,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 42 transitions. 13.37/6.47 [2019-03-28 22:49:47,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. 13.37/6.47 [2019-03-28 22:49:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. 13.37/6.47 [2019-03-28 22:49:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 42 transitions. 13.37/6.47 [2019-03-28 22:49:47,674 INFO L729 BuchiCegarLoop]: Abstraction has 24 states and 42 transitions. 13.37/6.47 [2019-03-28 22:49:47,675 INFO L609 BuchiCegarLoop]: Abstraction has 24 states and 42 transitions. 13.37/6.47 [2019-03-28 22:49:47,675 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 13.37/6.47 [2019-03-28 22:49:47,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 42 transitions. 13.37/6.47 [2019-03-28 22:49:47,676 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 13.37/6.47 [2019-03-28 22:49:47,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.37/6.47 [2019-03-28 22:49:47,676 INFO L119 BuchiIsEmpty]: Starting construction of run 13.37/6.47 [2019-03-28 22:49:47,677 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 13.37/6.47 [2019-03-28 22:49:47,677 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.37/6.47 [2019-03-28 22:49:47,677 INFO L794 eck$LassoCheckResult]: Stem: 125#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L13-1: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 126#L13-1 [44] L13-1-->L10: Formula: (< 0 v_rep~unnamed0~0~true_1) InVars {v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1} OutVars{v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1} AuxVars[] AssignedVars[] 135#L10 [42] L10-->L10-2: Formula: (>= 0 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 143#L10-2 13.37/6.47 [2019-03-28 22:49:47,677 INFO L796 eck$LassoCheckResult]: Loop: 143#L10-2 [43] L10-2-->L13-1: Formula: (>= v_ULTIMATE.start_main_~i~0_8 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[] 141#L13-1 [44] L13-1-->L10: Formula: (< 0 v_rep~unnamed0~0~true_1) InVars {v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1} OutVars{v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1} AuxVars[] AssignedVars[] 142#L10 [42] L10-->L10-2: Formula: (>= 0 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 143#L10-2 13.37/6.47 [2019-03-28 22:49:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.37/6.47 [2019-03-28 22:49:47,678 INFO L82 PathProgramCache]: Analyzing trace with hash 61949, now seen corresponding path program 1 times 13.37/6.47 [2019-03-28 22:49:47,678 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.37/6.47 [2019-03-28 22:49:47,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.37/6.47 [2019-03-28 22:49:47,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:47,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.37/6.47 [2019-03-28 22:49:47,684 INFO L82 PathProgramCache]: Analyzing trace with hash 72520, now seen corresponding path program 2 times 13.37/6.47 [2019-03-28 22:49:47,685 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.37/6.47 [2019-03-28 22:49:47,685 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.37/6.47 [2019-03-28 22:49:47,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:47,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.37/6.47 [2019-03-28 22:49:47,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1845565388, now seen corresponding path program 1 times 13.37/6.47 [2019-03-28 22:49:47,691 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.37/6.47 [2019-03-28 22:49:47,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.37/6.47 [2019-03-28 22:49:47,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,692 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.37/6.47 [2019-03-28 22:49:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.37/6.47 [2019-03-28 22:49:47,736 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] 13.37/6.47 [2019-03-28 22:49:47,737 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] 13.37/6.47 [2019-03-28 22:49:47,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:49:47 BasicIcfg 13.37/6.47 [2019-03-28 22:49:47,749 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.37/6.47 [2019-03-28 22:49:47,750 INFO L168 Benchmark]: Toolchain (without parser) took 1907.85 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 558.5 MB in the beginning and 497.2 MB in the end (delta: 61.2 MB). Peak memory consumption was 83.8 MB. Max. memory is 50.3 GB. 13.37/6.47 [2019-03-28 22:49:47,752 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.37/6.47 [2019-03-28 22:49:47,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.31 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 558.5 MB in the beginning and 639.6 MB in the end (delta: -81.1 MB). Peak memory consumption was 31.2 MB. Max. memory is 50.3 GB. 13.37/6.47 [2019-03-28 22:49:47,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.69 ms. Allocated memory is still 672.1 MB. Free memory was 639.6 MB in the beginning and 638.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.37/6.47 [2019-03-28 22:49:47,754 INFO L168 Benchmark]: Boogie Preprocessor took 19.07 ms. Allocated memory is still 672.1 MB. Free memory was 638.2 MB in the beginning and 635.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.37/6.47 [2019-03-28 22:49:47,754 INFO L168 Benchmark]: RCFGBuilder took 193.79 ms. Allocated memory is still 672.1 MB. Free memory was 635.1 MB in the beginning and 622.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 13.37/6.47 [2019-03-28 22:49:47,756 INFO L168 Benchmark]: BlockEncodingV2 took 65.59 ms. Allocated memory is still 672.1 MB. Free memory was 622.6 MB in the beginning and 618.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 13.37/6.47 [2019-03-28 22:49:47,756 INFO L168 Benchmark]: TraceAbstraction took 154.03 ms. Allocated memory is still 672.1 MB. Free memory was 618.5 MB in the beginning and 609.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.37/6.47 [2019-03-28 22:49:47,757 INFO L168 Benchmark]: BuchiAutomizer took 1160.24 ms. Allocated memory is still 672.1 MB. Free memory was 609.1 MB in the beginning and 497.2 MB in the end (delta: 111.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 50.3 GB. 13.37/6.47 [2019-03-28 22:49:47,761 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.37/6.47 --- Results --- 13.37/6.47 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.37/6.47 - StatisticsResult: Initial Icfg 13.37/6.47 8 locations, 11 edges 13.37/6.47 - StatisticsResult: Encoded RCFG 13.37/6.47 4 locations, 7 edges 13.37/6.47 * Results from de.uni_freiburg.informatik.ultimate.core: 13.37/6.47 - StatisticsResult: Toolchain Benchmarks 13.37/6.47 Benchmark results are: 13.37/6.47 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.37/6.47 * CACSL2BoogieTranslator took 276.31 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 558.5 MB in the beginning and 639.6 MB in the end (delta: -81.1 MB). Peak memory consumption was 31.2 MB. Max. memory is 50.3 GB. 13.37/6.47 * Boogie Procedure Inliner took 33.69 ms. Allocated memory is still 672.1 MB. Free memory was 639.6 MB in the beginning and 638.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.37/6.47 * Boogie Preprocessor took 19.07 ms. Allocated memory is still 672.1 MB. Free memory was 638.2 MB in the beginning and 635.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.37/6.47 * RCFGBuilder took 193.79 ms. Allocated memory is still 672.1 MB. Free memory was 635.1 MB in the beginning and 622.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 13.37/6.47 * BlockEncodingV2 took 65.59 ms. Allocated memory is still 672.1 MB. Free memory was 622.6 MB in the beginning and 618.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 13.37/6.47 * TraceAbstraction took 154.03 ms. Allocated memory is still 672.1 MB. Free memory was 618.5 MB in the beginning and 609.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.37/6.47 * BuchiAutomizer took 1160.24 ms. Allocated memory is still 672.1 MB. Free memory was 609.1 MB in the beginning and 497.2 MB in the end (delta: 111.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 50.3 GB. 13.37/6.47 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 13.37/6.47 - GenericResult: Unfinished Backtranslation 13.37/6.47 Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] 13.37/6.47 - GenericResult: Unfinished Backtranslation 13.37/6.47 Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] 13.37/6.47 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.37/6.47 - AllSpecificationsHoldResult: All specifications hold 13.37/6.47 We were not able to verify any specifiation because the program does not contain any specification. 13.37/6.47 - InvariantResult [Line: 9]: Loop Invariant 13.37/6.47 Derived loop invariant: 1 13.37/6.47 - StatisticsResult: Ultimate Automizer benchmark data 13.37/6.47 CFG has 1 procedures, 4 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=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.37/6.47 - StatisticsResult: Constructed decomposition of program 13.37/6.47 Your program was decomposed into 2 terminating modules (1 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -1 * i and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 24 locations. 13.37/6.47 - StatisticsResult: Timing statistics 13.37/6.47 BüchiAutomizer plugin needed 1.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 24 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 16 SDslu, 19 SDs, 0 SdLazy, 51 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax192 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 13.37/6.47 - TerminationAnalysisResult: Nontermination possible 13.37/6.47 Buchi Automizer proved that your program is nonterminating for some inputs 13.37/6.47 - FixpointNonTerminationResult [Line: 13]: Nontermination argument in form of an infinite program execution. 13.37/6.47 [2019-03-28 22:49:47,771 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] 13.37/6.47 [2019-03-28 22:49:47,771 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] 13.37/6.47 [2019-03-28 22:49:47,772 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] 13.37/6.47 [2019-03-28 22:49:47,772 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] 13.37/6.47 Nontermination argument in form of an infinite execution 13.37/6.47 State at position 0 is 13.37/6.47 {freshIdentifier5=1} 13.37/6.47 State at position 1 is 13.37/6.47 {freshIdentifier6=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@199dde54=0, \result=0, i=0} 13.37/6.47 - StatisticsResult: NonterminationArgumentStatistics 13.37/6.47 Fixpoint 13.37/6.47 - NonterminatingLassoResult [Line: 9]: Nonterminating execution 13.37/6.47 Found a nonterminating execution for the following lasso shaped sequence of statements. 13.37/6.47 Stem: 13.37/6.47 [L6] int i; 13.37/6.47 [L7] i = __VERIFIER_nondet_int() 13.37/6.47 [L9] COND TRUE \read(true) 13.37/6.47 [L10] COND FALSE !(i > 0) 13.37/6.47 Loop: 13.37/6.47 [L13] COND FALSE !(i < 0) 13.37/6.47 [L9] COND TRUE \read(true) 13.37/6.47 [L10] COND FALSE !(i > 0) 13.37/6.47 End of lasso representation. 13.37/6.47 RESULT: Ultimate proved your program to be incorrect! 13.37/6.47 13.37/6.47 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:49:47.996 13.37/6.47 !MESSAGE The workspace will exit with unsaved changes in this session. 13.37/6.47 Received shutdown request... 13.37/6.47 Ultimate: 13.37/6.47 GTK+ Version Check 13.37/6.47 EOF