13.42/6.51 NO 13.42/6.51 13.42/6.51 Ultimate: Cannot open display: 13.42/6.51 This is Ultimate 0.1.24-8dc7c08-m 13.42/6.51 [2019-03-28 22:53:44,917 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.42/6.51 [2019-03-28 22:53:44,919 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.42/6.51 [2019-03-28 22:53:44,931 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.42/6.51 [2019-03-28 22:53:44,931 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.42/6.51 [2019-03-28 22:53:44,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.42/6.51 [2019-03-28 22:53:44,933 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.42/6.51 [2019-03-28 22:53:44,935 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.42/6.51 [2019-03-28 22:53:44,936 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.42/6.51 [2019-03-28 22:53:44,937 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.42/6.51 [2019-03-28 22:53:44,938 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.42/6.51 [2019-03-28 22:53:44,938 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.42/6.51 [2019-03-28 22:53:44,939 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.42/6.51 [2019-03-28 22:53:44,940 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.42/6.51 [2019-03-28 22:53:44,941 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.42/6.51 [2019-03-28 22:53:44,942 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.42/6.51 [2019-03-28 22:53:44,942 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.42/6.51 [2019-03-28 22:53:44,944 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.42/6.51 [2019-03-28 22:53:44,946 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.42/6.51 [2019-03-28 22:53:44,947 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.42/6.51 [2019-03-28 22:53:44,948 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.42/6.51 [2019-03-28 22:53:44,949 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.42/6.51 [2019-03-28 22:53:44,952 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.42/6.51 [2019-03-28 22:53:44,952 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.42/6.51 [2019-03-28 22:53:44,952 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.42/6.51 [2019-03-28 22:53:44,953 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.42/6.51 [2019-03-28 22:53:44,953 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.42/6.51 [2019-03-28 22:53:44,954 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.42/6.51 [2019-03-28 22:53:44,954 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.42/6.51 [2019-03-28 22:53:44,955 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.42/6.51 [2019-03-28 22:53:44,956 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.42/6.51 [2019-03-28 22:53:44,957 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.42/6.51 [2019-03-28 22:53:44,958 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.42/6.51 [2019-03-28 22:53:44,958 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.42/6.51 [2019-03-28 22:53:44,959 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.42/6.51 [2019-03-28 22:53:44,959 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.42/6.51 [2019-03-28 22:53:44,959 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.42/6.51 [2019-03-28 22:53:44,960 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.42/6.51 [2019-03-28 22:53:44,961 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.42/6.51 [2019-03-28 22:53:44,961 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.42/6.51 [2019-03-28 22:53:44,976 INFO L110 SettingsManager]: Loading preferences was successful 13.42/6.51 [2019-03-28 22:53:44,976 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.42/6.51 [2019-03-28 22:53:44,977 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.42/6.51 [2019-03-28 22:53:44,977 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.42/6.51 [2019-03-28 22:53:44,977 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.42/6.51 [2019-03-28 22:53:44,978 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.42/6.51 [2019-03-28 22:53:44,978 INFO L133 SettingsManager]: * Use SBE=true 13.42/6.51 [2019-03-28 22:53:44,978 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.42/6.51 [2019-03-28 22:53:44,978 INFO L133 SettingsManager]: * Use old map elimination=false 13.42/6.51 [2019-03-28 22:53:44,978 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.42/6.51 [2019-03-28 22:53:44,978 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.42/6.51 [2019-03-28 22:53:44,979 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.42/6.51 [2019-03-28 22:53:44,979 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.42/6.51 [2019-03-28 22:53:44,979 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.42/6.51 [2019-03-28 22:53:44,979 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:44,979 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.42/6.51 [2019-03-28 22:53:44,979 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.42/6.51 [2019-03-28 22:53:44,980 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.42/6.51 [2019-03-28 22:53:44,980 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.42/6.51 [2019-03-28 22:53:44,980 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.42/6.51 [2019-03-28 22:53:44,980 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.42/6.51 [2019-03-28 22:53:44,980 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.42/6.51 [2019-03-28 22:53:44,980 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.42/6.51 [2019-03-28 22:53:44,981 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.42/6.51 [2019-03-28 22:53:44,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.42/6.51 [2019-03-28 22:53:44,981 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.42/6.51 [2019-03-28 22:53:44,981 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.42/6.51 [2019-03-28 22:53:44,981 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.42/6.51 [2019-03-28 22:53:44,982 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.42/6.51 [2019-03-28 22:53:45,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.42/6.51 [2019-03-28 22:53:45,020 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.42/6.51 [2019-03-28 22:53:45,023 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.42/6.51 [2019-03-28 22:53:45,025 INFO L271 PluginConnector]: Initializing CDTParser... 13.42/6.51 [2019-03-28 22:53:45,025 INFO L276 PluginConnector]: CDTParser initialized 13.42/6.51 [2019-03-28 22:53:45,026 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.42/6.51 [2019-03-28 22:53:45,092 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/6f37f85e8b0f499db56b49a35d3313d0/FLAGfb26ab8aa 13.42/6.51 !SESSION 2019-03-28 22:53:42.569 ----------------------------------------------- 13.42/6.51 eclipse.buildId=unknown 13.42/6.51 java.version=1.8.0_181 13.42/6.51 java.vendor=Oracle Corporation 13.42/6.51 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.42/6.51 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.42/6.51 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.42/6.51 13.42/6.51 !ENTRY org.eclipse.cdt.core 1 0 2019-03-28 22:53:45.371 13.42/6.51 !MESSAGE Indexed 'FLAGfb26ab8aa' (0 sources, 0 headers) in 0.006 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) 13.42/6.51 [2019-03-28 22:53:45,455 INFO L307 CDTParser]: Found 1 translation units. 13.42/6.51 [2019-03-28 22:53:45,455 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.42/6.51 [2019-03-28 22:53:45,463 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/6f37f85e8b0f499db56b49a35d3313d0/FLAGfb26ab8aa 13.42/6.51 [2019-03-28 22:53:45,896 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/6f37f85e8b0f499db56b49a35d3313d0 13.42/6.51 [2019-03-28 22:53:45,908 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.42/6.51 [2019-03-28 22:53:45,909 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.42/6.51 [2019-03-28 22:53:45,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.42/6.51 [2019-03-28 22:53:45,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.42/6.51 [2019-03-28 22:53:45,914 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.42/6.51 [2019-03-28 22:53:45,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:53:45" (1/1) ... 13.42/6.51 [2019-03-28 22:53:45,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf66568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:45, skipping insertion in model container 13.42/6.51 [2019-03-28 22:53:45,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:53:45" (1/1) ... 13.42/6.51 [2019-03-28 22:53:45,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.42/6.51 [2019-03-28 22:53:45,942 INFO L176 MainTranslator]: Built tables and reachable declarations 13.42/6.51 [2019-03-28 22:53:46,094 INFO L206 PostProcessor]: Analyzing one entry point: main 13.42/6.51 [2019-03-28 22:53:46,098 INFO L191 MainTranslator]: Completed pre-run 13.42/6.51 [2019-03-28 22:53:46,114 INFO L206 PostProcessor]: Analyzing one entry point: main 13.42/6.51 [2019-03-28 22:53:46,128 INFO L195 MainTranslator]: Completed translation 13.42/6.51 [2019-03-28 22:53:46,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46 WrapperNode 13.42/6.51 [2019-03-28 22:53:46,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.42/6.51 [2019-03-28 22:53:46,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.42/6.51 [2019-03-28 22:53:46,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.42/6.51 [2019-03-28 22:53:46,130 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.42/6.51 [2019-03-28 22:53:46,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46" (1/1) ... 13.42/6.51 [2019-03-28 22:53:46,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46" (1/1) ... 13.42/6.51 [2019-03-28 22:53:46,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.42/6.51 [2019-03-28 22:53:46,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.42/6.51 [2019-03-28 22:53:46,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.42/6.51 [2019-03-28 22:53:46,220 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.42/6.51 [2019-03-28 22:53:46,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46" (1/1) ... 13.42/6.51 [2019-03-28 22:53:46,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46" (1/1) ... 13.42/6.51 [2019-03-28 22:53:46,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46" (1/1) ... 13.42/6.51 [2019-03-28 22:53:46,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46" (1/1) ... 13.42/6.51 [2019-03-28 22:53:46,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46" (1/1) ... 13.42/6.51 [2019-03-28 22:53:46,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46" (1/1) ... 13.42/6.51 [2019-03-28 22:53:46,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46" (1/1) ... 13.42/6.51 [2019-03-28 22:53:46,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.42/6.51 [2019-03-28 22:53:46,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.42/6.51 [2019-03-28 22:53:46,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.42/6.51 [2019-03-28 22:53:46,239 INFO L276 PluginConnector]: RCFGBuilder initialized 13.42/6.51 [2019-03-28 22:53:46,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46" (1/1) ... 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.42/6.51 [2019-03-28 22:53:46,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.42/6.51 [2019-03-28 22:53:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.42/6.51 [2019-03-28 22:53:46,418 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.42/6.51 [2019-03-28 22:53:46,419 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.42/6.51 [2019-03-28 22:53:46,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:53:46 BoogieIcfgContainer 13.42/6.51 [2019-03-28 22:53:46,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.42/6.51 [2019-03-28 22:53:46,421 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.42/6.51 [2019-03-28 22:53:46,421 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.42/6.51 [2019-03-28 22:53:46,423 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.42/6.51 [2019-03-28 22:53:46,424 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:53:46" (1/1) ... 13.42/6.51 [2019-03-28 22:53:46,438 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 13.42/6.51 [2019-03-28 22:53:46,439 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.42/6.51 [2019-03-28 22:53:46,440 INFO L263 BlockEncoder]: Using Maximize final states 13.42/6.51 [2019-03-28 22:53:46,440 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.42/6.51 [2019-03-28 22:53:46,441 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.42/6.51 [2019-03-28 22:53:46,442 INFO L296 BlockEncoder]: Using Remove sink states 13.42/6.51 [2019-03-28 22:53:46,443 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.42/6.51 [2019-03-28 22:53:46,444 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.42/6.51 [2019-03-28 22:53:46,460 INFO L185 BlockEncoder]: Using Use SBE 13.42/6.51 [2019-03-28 22:53:46,475 INFO L200 BlockEncoder]: SBE split 1 edges 13.42/6.51 [2019-03-28 22:53:46,481 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.42/6.51 [2019-03-28 22:53:46,482 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.42/6.51 [2019-03-28 22:53:46,492 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.42/6.51 [2019-03-28 22:53:46,494 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 13.42/6.51 [2019-03-28 22:53:46,496 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.42/6.51 [2019-03-28 22:53:46,496 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.42/6.51 [2019-03-28 22:53:46,500 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 13.42/6.51 [2019-03-28 22:53:46,501 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.42/6.51 [2019-03-28 22:53:46,501 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.42/6.51 [2019-03-28 22:53:46,501 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.42/6.51 [2019-03-28 22:53:46,501 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.42/6.51 [2019-03-28 22:53:46,502 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.42/6.51 [2019-03-28 22:53:46,502 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 3 edges 13.42/6.51 [2019-03-28 22:53:46,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:53:46 BasicIcfg 13.42/6.51 [2019-03-28 22:53:46,503 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.42/6.51 [2019-03-28 22:53:46,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.42/6.51 [2019-03-28 22:53:46,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.42/6.51 [2019-03-28 22:53:46,507 INFO L276 PluginConnector]: TraceAbstraction initialized 13.42/6.51 [2019-03-28 22:53:46,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:53:45" (1/4) ... 13.42/6.51 [2019-03-28 22:53:46,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280b7228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:53:46, skipping insertion in model container 13.42/6.51 [2019-03-28 22:53:46,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46" (2/4) ... 13.42/6.51 [2019-03-28 22:53:46,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280b7228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:53:46, skipping insertion in model container 13.42/6.51 [2019-03-28 22:53:46,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:53:46" (3/4) ... 13.42/6.51 [2019-03-28 22:53:46,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280b7228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:53:46, skipping insertion in model container 13.42/6.51 [2019-03-28 22:53:46,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:53:46" (4/4) ... 13.42/6.51 [2019-03-28 22:53:46,511 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.42/6.51 [2019-03-28 22:53:46,522 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.42/6.51 [2019-03-28 22:53:46,529 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.42/6.51 [2019-03-28 22:53:46,547 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.42/6.51 [2019-03-28 22:53:46,576 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.42/6.51 [2019-03-28 22:53:46,577 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.42/6.51 [2019-03-28 22:53:46,577 INFO L383 AbstractCegarLoop]: Hoare is true 13.42/6.51 [2019-03-28 22:53:46,577 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.42/6.51 [2019-03-28 22:53:46,577 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.42/6.51 [2019-03-28 22:53:46,578 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.42/6.51 [2019-03-28 22:53:46,578 INFO L387 AbstractCegarLoop]: Difference is false 13.42/6.51 [2019-03-28 22:53:46,578 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.42/6.51 [2019-03-28 22:53:46,578 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.42/6.51 [2019-03-28 22:53:46,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 13.42/6.51 [2019-03-28 22:53:46,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.42/6.51 [2019-03-28 22:53:46,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 13.42/6.51 [2019-03-28 22:53:46,651 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 16 18) the Hoare annotation is: true 13.42/6.51 [2019-03-28 22:53:46,651 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.42/6.51 [2019-03-28 22:53:46,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:53:46 BasicIcfg 13.42/6.51 [2019-03-28 22:53:46,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.42/6.51 [2019-03-28 22:53:46,660 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.42/6.51 [2019-03-28 22:53:46,660 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.42/6.51 [2019-03-28 22:53:46,663 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.42/6.51 [2019-03-28 22:53:46,664 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.42/6.51 [2019-03-28 22:53:46,664 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:53:45" (1/5) ... 13.42/6.51 [2019-03-28 22:53:46,665 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@462bd774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:53:46, skipping insertion in model container 13.42/6.51 [2019-03-28 22:53:46,665 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.42/6.51 [2019-03-28 22:53:46,665 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:53:46" (2/5) ... 13.42/6.51 [2019-03-28 22:53:46,666 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@462bd774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:53:46, skipping insertion in model container 13.42/6.51 [2019-03-28 22:53:46,666 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.42/6.51 [2019-03-28 22:53:46,666 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:53:46" (3/5) ... 13.42/6.51 [2019-03-28 22:53:46,666 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@462bd774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:53:46, skipping insertion in model container 13.42/6.51 [2019-03-28 22:53:46,666 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.42/6.51 [2019-03-28 22:53:46,667 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:53:46" (4/5) ... 13.42/6.51 [2019-03-28 22:53:46,667 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@462bd774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:53:46, skipping insertion in model container 13.42/6.51 [2019-03-28 22:53:46,667 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.42/6.51 [2019-03-28 22:53:46,667 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:53:46" (5/5) ... 13.42/6.51 [2019-03-28 22:53:46,669 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.42/6.51 [2019-03-28 22:53:46,697 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.42/6.51 [2019-03-28 22:53:46,697 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.42/6.51 [2019-03-28 22:53:46,697 INFO L375 BuchiCegarLoop]: Hoare is true 13.42/6.51 [2019-03-28 22:53:46,697 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.42/6.51 [2019-03-28 22:53:46,697 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.42/6.51 [2019-03-28 22:53:46,698 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.42/6.51 [2019-03-28 22:53:46,698 INFO L379 BuchiCegarLoop]: Difference is false 13.42/6.51 [2019-03-28 22:53:46,698 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.42/6.51 [2019-03-28 22:53:46,698 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.42/6.51 [2019-03-28 22:53:46,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.42/6.51 [2019-03-28 22:53:46,720 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.42/6.51 [2019-03-28 22:53:46,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.42/6.51 [2019-03-28 22:53:46,720 INFO L119 BuchiIsEmpty]: Starting construction of run 13.42/6.51 [2019-03-28 22:53:46,726 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.42/6.51 [2019-03-28 22:53:46,726 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.42/6.51 [2019-03-28 22:53:46,726 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.42/6.51 [2019-03-28 22:53:46,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.42/6.51 [2019-03-28 22:53:46,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.42/6.51 [2019-03-28 22:53:46,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.42/6.51 [2019-03-28 22:53:46,727 INFO L119 BuchiIsEmpty]: Starting construction of run 13.42/6.51 [2019-03-28 22:53:46,727 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.42/6.51 [2019-03-28 22:53:46,727 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.42/6.51 [2019-03-28 22:53:46,732 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [39] ULTIMATE.startENTRY-->L16-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_11) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 4#L16-2true 13.42/6.51 [2019-03-28 22:53:46,733 INFO L796 eck$LassoCheckResult]: Loop: 4#L16-2true [35] L16-2-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (- 2))) (> 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L16-2true 13.42/6.51 [2019-03-28 22:53:46,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.42/6.51 [2019-03-28 22:53:46,739 INFO L82 PathProgramCache]: Analyzing trace with hash 70, now seen corresponding path program 1 times 13.42/6.51 [2019-03-28 22:53:46,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.42/6.51 [2019-03-28 22:53:46,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.42/6.51 [2019-03-28 22:53:46,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:46,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:46,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.42/6.51 [2019-03-28 22:53:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.42/6.51 [2019-03-28 22:53:46,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.42/6.51 [2019-03-28 22:53:46,809 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times 13.42/6.51 [2019-03-28 22:53:46,809 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.42/6.51 [2019-03-28 22:53:46,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.42/6.51 [2019-03-28 22:53:46,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:46,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:46,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.42/6.51 [2019-03-28 22:53:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.42/6.51 [2019-03-28 22:53:46,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.42/6.51 [2019-03-28 22:53:46,824 INFO L82 PathProgramCache]: Analyzing trace with hash 2205, now seen corresponding path program 1 times 13.42/6.51 [2019-03-28 22:53:46,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.42/6.51 [2019-03-28 22:53:46,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.42/6.51 [2019-03-28 22:53:46,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:46,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:46,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.42/6.51 [2019-03-28 22:53:46,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.42/6.51 [2019-03-28 22:53:46,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 13.42/6.51 [2019-03-28 22:53:46,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 13.42/6.51 [2019-03-28 22:53:46,913 INFO L216 LassoAnalysis]: Preferences: 13.42/6.51 [2019-03-28 22:53:46,915 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.42/6.51 [2019-03-28 22:53:46,915 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.42/6.51 [2019-03-28 22:53:46,915 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.42/6.51 [2019-03-28 22:53:46,915 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.42/6.51 [2019-03-28 22:53:46,915 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:46,915 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.42/6.51 [2019-03-28 22:53:46,916 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.42/6.51 [2019-03-28 22:53:46,916 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.42/6.51 [2019-03-28 22:53:46,916 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.42/6.51 [2019-03-28 22:53:46,916 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.42/6.51 [2019-03-28 22:53:46,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.42/6.51 [2019-03-28 22:53:46,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.42/6.51 [2019-03-28 22:53:46,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.42/6.51 [2019-03-28 22:53:47,020 INFO L300 LassoAnalysis]: Preprocessing complete. 13.42/6.51 [2019-03-28 22:53:47,021 INFO L412 LassoAnalysis]: Checking for nontermination... 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,028 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,029 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 [2019-03-28 22:53:47,062 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.42/6.51 [2019-03-28 22:53:47,062 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: [] 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,069 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,069 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 [2019-03-28 22:53:47,097 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.42/6.51 [2019-03-28 22:53:47,097 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: [] 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,103 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,103 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,136 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,136 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 [2019-03-28 22:53:47,154 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.42/6.51 [2019-03-28 22:53:47,154 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-2}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [2, 1, 6] Nus: [0, 0] 13.42/6.51 [2019-03-28 22:53:47,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 13.42/6.51 [2019-03-28 22:53:47,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 13.42/6.51 [2019-03-28 22:53:47,197 INFO L87 Difference]: Start difference. First operand 2 states. Second operand 3 states. 13.42/6.51 [2019-03-28 22:53:47,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 13.42/6.51 [2019-03-28 22:53:47,212 INFO L93 Difference]: Finished difference Result 3 states and 4 transitions. 13.42/6.51 [2019-03-28 22:53:47,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 13.42/6.51 [2019-03-28 22:53:47,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 4 transitions. 13.42/6.51 [2019-03-28 22:53:47,216 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.42/6.51 [2019-03-28 22:53:47,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 3 states and 4 transitions. 13.42/6.51 [2019-03-28 22:53:47,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 13.42/6.51 [2019-03-28 22:53:47,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 13.42/6.51 [2019-03-28 22:53:47,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 4 transitions. 13.42/6.51 [2019-03-28 22:53:47,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.42/6.51 [2019-03-28 22:53:47,222 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. 13.42/6.51 [2019-03-28 22:53:47,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 4 transitions. 13.42/6.51 [2019-03-28 22:53:47,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. 13.42/6.51 [2019-03-28 22:53:47,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.42/6.51 [2019-03-28 22:53:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. 13.42/6.51 [2019-03-28 22:53:47,251 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. 13.42/6.51 [2019-03-28 22:53:47,251 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. 13.42/6.51 [2019-03-28 22:53:47,251 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.42/6.51 [2019-03-28 22:53:47,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 4 transitions. 13.42/6.51 [2019-03-28 22:53:47,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.42/6.51 [2019-03-28 22:53:47,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.42/6.51 [2019-03-28 22:53:47,252 INFO L119 BuchiIsEmpty]: Starting construction of run 13.42/6.51 [2019-03-28 22:53:47,252 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.42/6.51 [2019-03-28 22:53:47,252 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.42/6.51 [2019-03-28 22:53:47,253 INFO L794 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRY [39] ULTIMATE.startENTRY-->L16-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_11) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 17#L16-2 [36] L16-2-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (- 2))) (< 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 18#L16-2 13.42/6.51 [2019-03-28 22:53:47,253 INFO L796 eck$LassoCheckResult]: Loop: 18#L16-2 [35] L16-2-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (- 2))) (> 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 18#L16-2 13.42/6.51 [2019-03-28 22:53:47,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.42/6.51 [2019-03-28 22:53:47,253 INFO L82 PathProgramCache]: Analyzing trace with hash 2206, now seen corresponding path program 1 times 13.42/6.51 [2019-03-28 22:53:47,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.42/6.51 [2019-03-28 22:53:47,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.42/6.51 [2019-03-28 22:53:47,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:47,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:47,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.42/6.51 [2019-03-28 22:53:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.42/6.51 [2019-03-28 22:53:47,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.42/6.51 [2019-03-28 22:53:47,261 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 2 times 13.42/6.51 [2019-03-28 22:53:47,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.42/6.51 [2019-03-28 22:53:47,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.42/6.51 [2019-03-28 22:53:47,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:47,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:47,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.42/6.51 [2019-03-28 22:53:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.42/6.51 [2019-03-28 22:53:47,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.42/6.51 [2019-03-28 22:53:47,268 INFO L82 PathProgramCache]: Analyzing trace with hash 68421, now seen corresponding path program 1 times 13.42/6.51 [2019-03-28 22:53:47,268 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.42/6.51 [2019-03-28 22:53:47,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.42/6.51 [2019-03-28 22:53:47,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:47,270 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:47,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.42/6.51 [2019-03-28 22:53:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.42/6.51 [2019-03-28 22:53:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.42/6.51 [2019-03-28 22:53:47,290 INFO L216 LassoAnalysis]: Preferences: 13.42/6.51 [2019-03-28 22:53:47,290 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.42/6.51 [2019-03-28 22:53:47,290 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.42/6.51 [2019-03-28 22:53:47,290 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.42/6.51 [2019-03-28 22:53:47,290 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.42/6.51 [2019-03-28 22:53:47,291 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,291 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.42/6.51 [2019-03-28 22:53:47,291 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.42/6.51 [2019-03-28 22:53:47,291 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.42/6.51 [2019-03-28 22:53:47,291 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.42/6.51 [2019-03-28 22:53:47,291 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.42/6.51 [2019-03-28 22:53:47,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.42/6.51 [2019-03-28 22:53:47,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.42/6.51 [2019-03-28 22:53:47,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.42/6.51 [2019-03-28 22:53:47,377 INFO L300 LassoAnalysis]: Preprocessing complete. 13.42/6.51 [2019-03-28 22:53:47,378 INFO L412 LassoAnalysis]: Checking for nontermination... 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,383 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,383 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,416 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,416 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 [2019-03-28 22:53:47,433 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.42/6.51 [2019-03-28 22:53:47,433 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-2}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 1, 8] Nus: [0, 0] 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,462 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,462 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 [2019-03-28 22:53:47,490 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.42/6.51 [2019-03-28 22:53:47,490 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,496 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,496 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 [2019-03-28 22:53:47,524 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.42/6.51 [2019-03-28 22:53:47,524 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.42/6.51 [2019-03-28 22:53:47,534 INFO L216 LassoAnalysis]: Preferences: 13.42/6.51 [2019-03-28 22:53:47,534 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.42/6.51 [2019-03-28 22:53:47,534 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.42/6.51 [2019-03-28 22:53:47,534 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.42/6.51 [2019-03-28 22:53:47,534 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.42/6.51 [2019-03-28 22:53:47,535 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,535 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.42/6.51 [2019-03-28 22:53:47,535 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.42/6.51 [2019-03-28 22:53:47,535 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 13.42/6.51 [2019-03-28 22:53:47,535 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.42/6.51 [2019-03-28 22:53:47,535 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.42/6.51 [2019-03-28 22:53:47,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.42/6.51 [2019-03-28 22:53:47,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.42/6.51 [2019-03-28 22:53:47,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.42/6.51 [2019-03-28 22:53:47,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.42/6.51 [2019-03-28 22:53:47,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.42/6.51 [2019-03-28 22:53:47,643 INFO L300 LassoAnalysis]: Preprocessing complete. 13.42/6.51 [2019-03-28 22:53:47,643 INFO L412 LassoAnalysis]: Checking for nontermination... 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,651 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,652 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 [2019-03-28 22:53:47,679 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.42/6.51 [2019-03-28 22:53:47,679 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,685 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,685 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 [2019-03-28 22:53:47,689 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.42/6.51 [2019-03-28 22:53:47,690 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,718 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,718 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 [2019-03-28 22:53:47,745 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.42/6.51 [2019-03-28 22:53:47,745 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,751 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,751 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 [2019-03-28 22:53:47,755 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.42/6.51 [2019-03-28 22:53:47,755 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,783 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,784 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.42/6.51 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.42/6.51 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.42/6.51 [2019-03-28 22:53:47,816 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.42/6.51 [2019-03-28 22:53:47,816 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.42/6.51 [2019-03-28 22:53:47,832 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.42/6.51 [2019-03-28 22:53:47,832 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-2}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 1, 8] Nus: [0, 0] 13.42/6.51 [2019-03-28 22:53:47,866 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,869 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,869 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,870 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,870 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,870 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,872 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,872 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:53:47 BasicIcfg 13.42/6.51 [2019-03-28 22:53:47,883 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.42/6.51 [2019-03-28 22:53:47,883 INFO L168 Benchmark]: Toolchain (without parser) took 1974.95 ms. Allocated memory was 649.6 MB in the beginning and 655.9 MB in the end (delta: 6.3 MB). Free memory was 564.9 MB in the beginning and 474.5 MB in the end (delta: 90.5 MB). Peak memory consumption was 96.8 MB. Max. memory is 50.3 GB. 13.42/6.51 [2019-03-28 22:53:47,885 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.42/6.51 [2019-03-28 22:53:47,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.09 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 554.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. 13.42/6.51 [2019-03-28 22:53:47,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.23 ms. Allocated memory was 649.6 MB in the beginning and 655.9 MB in the end (delta: 6.3 MB). Free memory was 554.4 MB in the beginning and 623.4 MB in the end (delta: -69.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 13.42/6.51 [2019-03-28 22:53:47,887 INFO L168 Benchmark]: Boogie Preprocessor took 19.31 ms. Allocated memory is still 655.9 MB. Free memory was 623.4 MB in the beginning and 620.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.42/6.51 [2019-03-28 22:53:47,887 INFO L168 Benchmark]: RCFGBuilder took 181.30 ms. Allocated memory is still 655.9 MB. Free memory was 620.3 MB in the beginning and 607.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.42/6.51 [2019-03-28 22:53:47,888 INFO L168 Benchmark]: BlockEncodingV2 took 82.20 ms. Allocated memory is still 655.9 MB. Free memory was 607.4 MB in the beginning and 602.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.42/6.51 [2019-03-28 22:53:47,888 INFO L168 Benchmark]: TraceAbstraction took 155.66 ms. Allocated memory is still 655.9 MB. Free memory was 602.0 MB in the beginning and 592.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.42/6.51 [2019-03-28 22:53:47,889 INFO L168 Benchmark]: BuchiAutomizer took 1222.84 ms. Allocated memory is still 655.9 MB. Free memory was 592.5 MB in the beginning and 474.5 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 50.3 GB. 13.42/6.51 [2019-03-28 22:53:47,893 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.42/6.51 --- Results --- 13.42/6.51 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.42/6.51 - StatisticsResult: Initial Icfg 13.42/6.51 7 locations, 9 edges 13.42/6.51 - StatisticsResult: Encoded RCFG 13.42/6.51 2 locations, 3 edges 13.42/6.51 * Results from de.uni_freiburg.informatik.ultimate.core: 13.42/6.51 - StatisticsResult: Toolchain Benchmarks 13.42/6.51 Benchmark results are: 13.42/6.51 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.42/6.51 * CACSL2BoogieTranslator took 219.09 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 554.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. 13.42/6.51 * Boogie Procedure Inliner took 89.23 ms. Allocated memory was 649.6 MB in the beginning and 655.9 MB in the end (delta: 6.3 MB). Free memory was 554.4 MB in the beginning and 623.4 MB in the end (delta: -69.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 13.42/6.51 * Boogie Preprocessor took 19.31 ms. Allocated memory is still 655.9 MB. Free memory was 623.4 MB in the beginning and 620.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.42/6.51 * RCFGBuilder took 181.30 ms. Allocated memory is still 655.9 MB. Free memory was 620.3 MB in the beginning and 607.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.42/6.51 * BlockEncodingV2 took 82.20 ms. Allocated memory is still 655.9 MB. Free memory was 607.4 MB in the beginning and 602.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.42/6.51 * TraceAbstraction took 155.66 ms. Allocated memory is still 655.9 MB. Free memory was 602.0 MB in the beginning and 592.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.42/6.51 * BuchiAutomizer took 1222.84 ms. Allocated memory is still 655.9 MB. Free memory was 592.5 MB in the beginning and 474.5 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 50.3 GB. 13.42/6.51 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 13.42/6.51 - GenericResult: Unfinished Backtranslation 13.42/6.51 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 - GenericResult: Unfinished Backtranslation 13.42/6.51 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 - GenericResult: Unfinished Backtranslation 13.42/6.51 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 - GenericResult: Unfinished Backtranslation 13.42/6.51 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 - GenericResult: Unfinished Backtranslation 13.42/6.51 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 - GenericResult: Unfinished Backtranslation 13.42/6.51 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 - GenericResult: Unfinished Backtranslation 13.42/6.51 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 - GenericResult: Unfinished Backtranslation 13.42/6.51 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 - GenericResult: Unfinished Backtranslation 13.42/6.51 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 - GenericResult: Unfinished Backtranslation 13.42/6.51 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.42/6.51 - AllSpecificationsHoldResult: All specifications hold 13.42/6.51 We were not able to verify any specifiation because the program does not contain any specification. 13.42/6.51 - InvariantResult [Line: 16]: Loop Invariant 13.42/6.51 Derived loop invariant: 1 13.42/6.51 - StatisticsResult: Ultimate Automizer benchmark data 13.42/6.51 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.42/6.51 - StatisticsResult: Constructed decomposition of program 13.42/6.51 Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 3 locations. 13.42/6.51 - StatisticsResult: Timing statistics 13.42/6.51 BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax210 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf100 smp100 tf108 neg100 sie114 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 13.42/6.51 - TerminationAnalysisResult: Nontermination possible 13.42/6.51 Buchi Automizer proved that your program is nonterminating for some inputs 13.42/6.51 - GeometricNonTerminationArgumentResult [Line: 16]: Nontermination argument in form of an infinite program execution. 13.42/6.51 [2019-03-28 22:53:47,902 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,903 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,903 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,903 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,904 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,904 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,905 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,905 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,905 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,905 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,906 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,906 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,906 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,907 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,907 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,907 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,908 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,908 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 [2019-03-28 22:53:47,909 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.42/6.51 [2019-03-28 22:53:47,909 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.42/6.51 Nontermination argument in form of an infinite execution 13.42/6.51 {~unnamed0~0~false=0, |ULTIMATE.start_main_#t~nondet0|=0, ~unnamed0~0~true=1, ULTIMATE.start_main_~x~0=0, |ULTIMATE.start_main_#res|=0} 13.42/6.51 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71a049f5=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, x=-1} 13.42/6.51 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71a049f5=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, x=-3} 13.42/6.51 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71a049f5=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, x=-5} 13.42/6.51 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71a049f5=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, x=-7} 13.42/6.51 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71a049f5=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, x=-9} 13.42/6.51 - StatisticsResult: NonterminationArgumentStatistics 13.42/6.51 Unbounded Execution 1GEVs Lambdas: [1, 1, 8] Mus: [0, 0] 13.42/6.51 - NonterminatingLassoResult [Line: 16]: Nonterminating execution 13.42/6.51 Found a nonterminating execution for the following lasso shaped sequence of statements. 13.42/6.51 Stem: 13.42/6.51 [L13] int x; 13.42/6.51 [L14] x = __VERIFIER_nondet_int() 13.42/6.51 [L15] COND TRUE x > 0 13.42/6.51 [L16] COND TRUE x != 0 13.42/6.51 [L17] x = x - 2 13.42/6.51 Loop: 13.42/6.51 [L16] COND TRUE x != 0 13.42/6.51 [L17] x = x - 2 13.42/6.51 End of lasso representation. 13.42/6.51 RESULT: Ultimate proved your program to be incorrect! 13.42/6.51 13.42/6.51 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:53:48.133 13.42/6.51 !MESSAGE The workspace will exit with unsaved changes in this session. 13.42/6.51 Received shutdown request... 13.42/6.51 Ultimate: 13.42/6.51 GTK+ Version Check 13.42/6.51 EOF