12.11/5.94 NO 12.11/5.94 12.11/5.95 Ultimate: Cannot open display: 12.11/5.95 This is Ultimate 0.1.24-8dc7c08-m 12.11/5.95 [2019-03-28 12:27:15,890 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.11/5.95 [2019-03-28 12:27:15,892 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.11/5.95 [2019-03-28 12:27:15,903 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.11/5.95 [2019-03-28 12:27:15,904 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.11/5.95 [2019-03-28 12:27:15,905 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.11/5.95 [2019-03-28 12:27:15,906 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.11/5.95 [2019-03-28 12:27:15,907 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.11/5.95 [2019-03-28 12:27:15,909 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.11/5.95 [2019-03-28 12:27:15,910 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.11/5.95 [2019-03-28 12:27:15,911 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.11/5.95 [2019-03-28 12:27:15,911 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.11/5.95 [2019-03-28 12:27:15,912 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.11/5.95 [2019-03-28 12:27:15,913 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.11/5.95 [2019-03-28 12:27:15,914 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.11/5.95 [2019-03-28 12:27:15,914 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.11/5.95 [2019-03-28 12:27:15,915 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.11/5.95 [2019-03-28 12:27:15,917 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.11/5.95 [2019-03-28 12:27:15,919 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.11/5.95 [2019-03-28 12:27:15,920 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.11/5.95 [2019-03-28 12:27:15,921 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.11/5.95 [2019-03-28 12:27:15,922 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.11/5.95 [2019-03-28 12:27:15,924 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.11/5.95 [2019-03-28 12:27:15,925 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.11/5.95 [2019-03-28 12:27:15,925 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.11/5.95 [2019-03-28 12:27:15,926 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.11/5.95 [2019-03-28 12:27:15,926 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.11/5.95 [2019-03-28 12:27:15,927 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.11/5.95 [2019-03-28 12:27:15,927 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.11/5.95 [2019-03-28 12:27:15,928 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.11/5.95 [2019-03-28 12:27:15,929 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.11/5.95 [2019-03-28 12:27:15,929 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.11/5.95 [2019-03-28 12:27:15,930 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.11/5.95 [2019-03-28 12:27:15,931 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.11/5.95 [2019-03-28 12:27:15,931 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.11/5.95 [2019-03-28 12:27:15,931 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.11/5.95 [2019-03-28 12:27:15,932 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.11/5.95 [2019-03-28 12:27:15,932 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.11/5.95 [2019-03-28 12:27:15,933 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.11/5.95 [2019-03-28 12:27:15,933 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.11/5.95 [2019-03-28 12:27:15,948 INFO L110 SettingsManager]: Loading preferences was successful 12.11/5.95 [2019-03-28 12:27:15,948 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.11/5.95 [2019-03-28 12:27:15,949 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.11/5.95 [2019-03-28 12:27:15,949 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.11/5.95 [2019-03-28 12:27:15,949 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.11/5.95 [2019-03-28 12:27:15,950 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.11/5.95 [2019-03-28 12:27:15,950 INFO L133 SettingsManager]: * Use SBE=true 12.11/5.95 [2019-03-28 12:27:15,950 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.11/5.95 [2019-03-28 12:27:15,950 INFO L133 SettingsManager]: * Use old map elimination=false 12.11/5.95 [2019-03-28 12:27:15,950 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.11/5.95 [2019-03-28 12:27:15,951 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.11/5.95 [2019-03-28 12:27:15,951 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.11/5.95 [2019-03-28 12:27:15,951 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.11/5.95 [2019-03-28 12:27:15,951 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.11/5.95 [2019-03-28 12:27:15,951 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.11/5.95 [2019-03-28 12:27:15,951 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.11/5.95 [2019-03-28 12:27:15,952 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.11/5.95 [2019-03-28 12:27:15,952 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.11/5.95 [2019-03-28 12:27:15,952 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.11/5.95 [2019-03-28 12:27:15,952 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.11/5.95 [2019-03-28 12:27:15,952 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.11/5.95 [2019-03-28 12:27:15,953 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.11/5.95 [2019-03-28 12:27:15,953 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.11/5.95 [2019-03-28 12:27:15,953 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.11/5.95 [2019-03-28 12:27:15,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.11/5.95 [2019-03-28 12:27:15,953 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.11/5.95 [2019-03-28 12:27:15,953 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.11/5.95 [2019-03-28 12:27:15,954 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.11/5.95 [2019-03-28 12:27:15,954 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.11/5.95 [2019-03-28 12:27:15,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.11/5.95 [2019-03-28 12:27:15,993 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.11/5.95 [2019-03-28 12:27:15,996 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.11/5.95 [2019-03-28 12:27:15,998 INFO L271 PluginConnector]: Initializing CDTParser... 12.11/5.95 [2019-03-28 12:27:15,998 INFO L276 PluginConnector]: CDTParser initialized 12.11/5.95 [2019-03-28 12:27:15,999 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.11/5.95 [2019-03-28 12:27:16,059 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/24c5c6d6f83942c7aab302979cad348b/FLAG72f72e0cd 12.11/5.95 [2019-03-28 12:27:16,396 INFO L307 CDTParser]: Found 1 translation units. 12.11/5.95 [2019-03-28 12:27:16,397 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.11/5.95 [2019-03-28 12:27:16,403 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/24c5c6d6f83942c7aab302979cad348b/FLAG72f72e0cd 12.11/5.95 [2019-03-28 12:27:16,811 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/24c5c6d6f83942c7aab302979cad348b 12.11/5.95 [2019-03-28 12:27:16,823 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.11/5.95 [2019-03-28 12:27:16,825 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.11/5.95 [2019-03-28 12:27:16,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.11/5.95 [2019-03-28 12:27:16,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.11/5.95 [2019-03-28 12:27:16,830 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.11/5.95 [2019-03-28 12:27:16,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:27:16" (1/1) ... 12.11/5.95 [2019-03-28 12:27:16,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766e206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:16, skipping insertion in model container 12.11/5.95 [2019-03-28 12:27:16,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:27:16" (1/1) ... 12.11/5.95 [2019-03-28 12:27:16,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.11/5.95 [2019-03-28 12:27:16,858 INFO L176 MainTranslator]: Built tables and reachable declarations 12.11/5.95 [2019-03-28 12:27:17,016 INFO L206 PostProcessor]: Analyzing one entry point: main 12.11/5.95 [2019-03-28 12:27:17,020 INFO L191 MainTranslator]: Completed pre-run 12.11/5.95 [2019-03-28 12:27:17,035 INFO L206 PostProcessor]: Analyzing one entry point: main 12.11/5.95 [2019-03-28 12:27:17,111 INFO L195 MainTranslator]: Completed translation 12.11/5.95 [2019-03-28 12:27:17,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17 WrapperNode 12.11/5.95 [2019-03-28 12:27:17,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.11/5.95 [2019-03-28 12:27:17,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.11/5.95 [2019-03-28 12:27:17,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.11/5.95 [2019-03-28 12:27:17,113 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.11/5.95 [2019-03-28 12:27:17,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17" (1/1) ... 12.11/5.95 [2019-03-28 12:27:17,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17" (1/1) ... 12.11/5.95 [2019-03-28 12:27:17,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.11/5.95 [2019-03-28 12:27:17,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.11/5.95 [2019-03-28 12:27:17,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.11/5.95 [2019-03-28 12:27:17,150 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.11/5.95 [2019-03-28 12:27:17,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17" (1/1) ... 12.11/5.95 [2019-03-28 12:27:17,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17" (1/1) ... 12.11/5.95 [2019-03-28 12:27:17,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17" (1/1) ... 12.11/5.95 [2019-03-28 12:27:17,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17" (1/1) ... 12.11/5.95 [2019-03-28 12:27:17,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17" (1/1) ... 12.11/5.95 [2019-03-28 12:27:17,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17" (1/1) ... 12.11/5.95 [2019-03-28 12:27:17,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17" (1/1) ... 12.11/5.95 [2019-03-28 12:27:17,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.11/5.95 [2019-03-28 12:27:17,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.11/5.95 [2019-03-28 12:27:17,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.11/5.95 [2019-03-28 12:27:17,170 INFO L276 PluginConnector]: RCFGBuilder initialized 12.11/5.95 [2019-03-28 12:27:17,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17" (1/1) ... 12.11/5.95 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.11/5.95 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.11/5.95 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.11/5.95 [2019-03-28 12:27:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.11/5.95 [2019-03-28 12:27:17,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.11/5.95 [2019-03-28 12:27:17,357 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.11/5.95 [2019-03-28 12:27:17,357 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.11/5.95 [2019-03-28 12:27:17,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:17 BoogieIcfgContainer 12.11/5.95 [2019-03-28 12:27:17,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.11/5.95 [2019-03-28 12:27:17,359 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.11/5.95 [2019-03-28 12:27:17,360 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.11/5.95 [2019-03-28 12:27:17,362 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.11/5.95 [2019-03-28 12:27:17,362 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:17" (1/1) ... 12.11/5.95 [2019-03-28 12:27:17,376 INFO L313 BlockEncoder]: Initial Icfg 5 locations, 6 edges 12.11/5.95 [2019-03-28 12:27:17,378 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.11/5.95 [2019-03-28 12:27:17,378 INFO L263 BlockEncoder]: Using Maximize final states 12.11/5.95 [2019-03-28 12:27:17,379 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.11/5.95 [2019-03-28 12:27:17,379 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.11/5.95 [2019-03-28 12:27:17,381 INFO L296 BlockEncoder]: Using Remove sink states 12.11/5.95 [2019-03-28 12:27:17,382 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.11/5.95 [2019-03-28 12:27:17,382 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.11/5.95 [2019-03-28 12:27:17,395 INFO L185 BlockEncoder]: Using Use SBE 12.11/5.95 [2019-03-28 12:27:17,403 INFO L200 BlockEncoder]: SBE split 0 edges 12.11/5.95 [2019-03-28 12:27:17,409 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.11/5.95 [2019-03-28 12:27:17,410 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.11/5.95 [2019-03-28 12:27:17,420 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 12.11/5.95 [2019-03-28 12:27:17,422 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 12.11/5.95 [2019-03-28 12:27:17,424 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.11/5.95 [2019-03-28 12:27:17,424 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.11/5.95 [2019-03-28 12:27:17,424 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.11/5.95 [2019-03-28 12:27:17,425 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.11/5.95 [2019-03-28 12:27:17,425 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 12.11/5.95 [2019-03-28 12:27:17,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:27:17 BasicIcfg 12.11/5.95 [2019-03-28 12:27:17,426 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.11/5.95 [2019-03-28 12:27:17,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.11/5.95 [2019-03-28 12:27:17,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.11/5.95 [2019-03-28 12:27:17,430 INFO L276 PluginConnector]: TraceAbstraction initialized 12.11/5.95 [2019-03-28 12:27:17,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:27:16" (1/4) ... 12.11/5.95 [2019-03-28 12:27:17,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c51f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:27:17, skipping insertion in model container 12.11/5.95 [2019-03-28 12:27:17,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17" (2/4) ... 12.11/5.95 [2019-03-28 12:27:17,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c51f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:27:17, skipping insertion in model container 12.11/5.95 [2019-03-28 12:27:17,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:17" (3/4) ... 12.11/5.95 [2019-03-28 12:27:17,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c51f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:27:17, skipping insertion in model container 12.11/5.95 [2019-03-28 12:27:17,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:27:17" (4/4) ... 12.11/5.95 [2019-03-28 12:27:17,434 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.11/5.95 [2019-03-28 12:27:17,444 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.11/5.95 [2019-03-28 12:27:17,452 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.11/5.95 [2019-03-28 12:27:17,469 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.11/5.95 [2019-03-28 12:27:17,498 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.11/5.95 [2019-03-28 12:27:17,499 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.11/5.95 [2019-03-28 12:27:17,499 INFO L383 AbstractCegarLoop]: Hoare is true 12.11/5.95 [2019-03-28 12:27:17,499 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.11/5.95 [2019-03-28 12:27:17,499 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.11/5.95 [2019-03-28 12:27:17,500 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.11/5.95 [2019-03-28 12:27:17,500 INFO L387 AbstractCegarLoop]: Difference is false 12.11/5.95 [2019-03-28 12:27:17,500 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.11/5.95 [2019-03-28 12:27:17,500 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.11/5.95 [2019-03-28 12:27:17,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 12.11/5.95 [2019-03-28 12:27:17,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.11/5.95 [2019-03-28 12:27:17,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 12.11/5.95 [2019-03-28 12:27:17,573 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.11/5.95 [2019-03-28 12:27:17,573 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 13 15) the Hoare annotation is: true 12.11/5.95 [2019-03-28 12:27:17,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:27:17 BasicIcfg 12.11/5.95 [2019-03-28 12:27:17,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.11/5.95 [2019-03-28 12:27:17,582 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.11/5.95 [2019-03-28 12:27:17,582 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.11/5.95 [2019-03-28 12:27:17,585 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.11/5.95 [2019-03-28 12:27:17,586 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.11/5.95 [2019-03-28 12:27:17,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:27:16" (1/5) ... 12.11/5.95 [2019-03-28 12:27:17,587 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1661b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:27:17, skipping insertion in model container 12.11/5.95 [2019-03-28 12:27:17,587 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.11/5.95 [2019-03-28 12:27:17,587 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:17" (2/5) ... 12.11/5.95 [2019-03-28 12:27:17,588 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1661b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:27:17, skipping insertion in model container 12.11/5.95 [2019-03-28 12:27:17,588 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.11/5.95 [2019-03-28 12:27:17,588 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:17" (3/5) ... 12.11/5.95 [2019-03-28 12:27:17,588 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1661b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:27:17, skipping insertion in model container 12.11/5.95 [2019-03-28 12:27:17,589 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.11/5.95 [2019-03-28 12:27:17,589 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:27:17" (4/5) ... 12.11/5.95 [2019-03-28 12:27:17,589 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1661b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:27:17, skipping insertion in model container 12.11/5.95 [2019-03-28 12:27:17,589 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.11/5.95 [2019-03-28 12:27:17,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:27:17" (5/5) ... 12.11/5.95 [2019-03-28 12:27:17,591 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.11/5.95 [2019-03-28 12:27:17,619 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.11/5.95 [2019-03-28 12:27:17,619 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.11/5.95 [2019-03-28 12:27:17,620 INFO L375 BuchiCegarLoop]: Hoare is true 12.11/5.95 [2019-03-28 12:27:17,620 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.11/5.95 [2019-03-28 12:27:17,620 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.11/5.95 [2019-03-28 12:27:17,620 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.11/5.95 [2019-03-28 12:27:17,620 INFO L379 BuchiCegarLoop]: Difference is false 12.11/5.95 [2019-03-28 12:27:17,621 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.11/5.95 [2019-03-28 12:27:17,621 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.11/5.95 [2019-03-28 12:27:17,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.11/5.95 [2019-03-28 12:27:17,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.11/5.95 [2019-03-28 12:27:17,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.11/5.95 [2019-03-28 12:27:17,641 INFO L119 BuchiIsEmpty]: Starting construction of run 12.11/5.95 [2019-03-28 12:27:17,647 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.11/5.95 [2019-03-28 12:27:17,647 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.11/5.95 [2019-03-28 12:27:17,647 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.11/5.95 [2019-03-28 12:27:17,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.11/5.95 [2019-03-28 12:27:17,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.11/5.95 [2019-03-28 12:27:17,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.11/5.95 [2019-03-28 12:27:17,648 INFO L119 BuchiIsEmpty]: Starting construction of run 12.11/5.95 [2019-03-28 12:27:17,648 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.11/5.95 [2019-03-28 12:27:17,648 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.11/5.95 [2019-03-28 12:27:17,653 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [17] ULTIMATE.startENTRY-->L13-2: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~post1=|v_ULTIMATE.start_main_#t~post1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~post1, ULTIMATE.start_main_~x~0] 4#L13-2true 12.11/5.95 [2019-03-28 12:27:17,654 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-2true [20] L13-2-->L13-2: Formula: (and (= (+ v_ULTIMATE.start_main_~x~0_6 1) v_ULTIMATE.start_main_~x~0_5) (<= 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~post1=|v_ULTIMATE.start_main_#t~post1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post1, ULTIMATE.start_main_~x~0] 4#L13-2true 12.11/5.95 [2019-03-28 12:27:17,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.11/5.95 [2019-03-28 12:27:17,660 INFO L82 PathProgramCache]: Analyzing trace with hash 48, now seen corresponding path program 1 times 12.11/5.95 [2019-03-28 12:27:17,662 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.11/5.95 [2019-03-28 12:27:17,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.11/5.95 [2019-03-28 12:27:17,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.11/5.95 [2019-03-28 12:27:17,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.11/5.95 [2019-03-28 12:27:17,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.11/5.95 [2019-03-28 12:27:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.11/5.95 [2019-03-28 12:27:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.11/5.95 [2019-03-28 12:27:17,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.11/5.95 [2019-03-28 12:27:17,723 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times 12.11/5.95 [2019-03-28 12:27:17,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.11/5.95 [2019-03-28 12:27:17,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.11/5.95 [2019-03-28 12:27:17,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.11/5.95 [2019-03-28 12:27:17,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.11/5.95 [2019-03-28 12:27:17,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.11/5.95 [2019-03-28 12:27:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.11/5.95 [2019-03-28 12:27:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.11/5.95 [2019-03-28 12:27:17,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.11/5.95 [2019-03-28 12:27:17,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1508, now seen corresponding path program 1 times 12.11/5.95 [2019-03-28 12:27:17,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.11/5.95 [2019-03-28 12:27:17,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.11/5.95 [2019-03-28 12:27:17,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.11/5.95 [2019-03-28 12:27:17,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.11/5.95 [2019-03-28 12:27:17,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.11/5.95 [2019-03-28 12:27:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.11/5.95 [2019-03-28 12:27:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.11/5.95 [2019-03-28 12:27:17,783 INFO L216 LassoAnalysis]: Preferences: 12.11/5.95 [2019-03-28 12:27:17,785 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.11/5.95 [2019-03-28 12:27:17,785 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.11/5.95 [2019-03-28 12:27:17,785 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.11/5.95 [2019-03-28 12:27:17,785 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.11/5.95 [2019-03-28 12:27:17,785 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.11/5.95 [2019-03-28 12:27:17,786 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.11/5.95 [2019-03-28 12:27:17,786 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.11/5.95 [2019-03-28 12:27:17,786 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.11/5.95 [2019-03-28 12:27:17,786 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.11/5.95 [2019-03-28 12:27:17,786 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.11/5.95 [2019-03-28 12:27:17,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.11/5.95 [2019-03-28 12:27:17,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.11/5.95 [2019-03-28 12:27:17,875 INFO L300 LassoAnalysis]: Preprocessing complete. 12.11/5.95 [2019-03-28 12:27:17,875 INFO L412 LassoAnalysis]: Checking for nontermination... 12.11/5.95 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.11/5.95 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.11/5.95 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.11/5.95 [2019-03-28 12:27:17,883 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.11/5.95 [2019-03-28 12:27:17,883 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.11/5.95 [2019-03-28 12:27:17,895 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.11/5.95 [2019-03-28 12:27:17,896 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 12.11/5.95 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.11/5.95 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.11/5.95 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.11/5.95 [2019-03-28 12:27:17,931 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.11/5.95 [2019-03-28 12:27:17,931 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.11/5.95 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.11/5.95 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.11/5.95 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.11/5.95 [2019-03-28 12:27:17,966 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.11/5.95 [2019-03-28 12:27:17,966 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.11/5.95 [2019-03-28 12:27:17,980 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.11/5.95 [2019-03-28 12:27:17,980 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] 12.11/5.95 [2019-03-28 12:27:18,010 INFO L216 LassoAnalysis]: Preferences: 12.11/5.95 [2019-03-28 12:27:18,011 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.11/5.95 [2019-03-28 12:27:18,011 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.11/5.95 [2019-03-28 12:27:18,011 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.11/5.95 [2019-03-28 12:27:18,011 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.11/5.95 [2019-03-28 12:27:18,011 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.11/5.95 [2019-03-28 12:27:18,011 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.11/5.95 [2019-03-28 12:27:18,011 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.11/5.95 [2019-03-28 12:27:18,012 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 12.11/5.95 [2019-03-28 12:27:18,012 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.11/5.95 [2019-03-28 12:27:18,012 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.11/5.95 [2019-03-28 12:27:18,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.11/5.95 [2019-03-28 12:27:18,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.11/5.95 [2019-03-28 12:27:18,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.11/5.95 [2019-03-28 12:27:18,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.11/5.95 [2019-03-28 12:27:18,072 INFO L300 LassoAnalysis]: Preprocessing complete. 12.11/5.95 [2019-03-28 12:27:18,072 INFO L412 LassoAnalysis]: Checking for nontermination... 12.11/5.95 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.11/5.95 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.11/5.95 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.11/5.95 [2019-03-28 12:27:18,080 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.11/5.95 [2019-03-28 12:27:18,080 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.11/5.95 [2019-03-28 12:27:18,084 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.11/5.95 [2019-03-28 12:27:18,084 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: [] 12.11/5.95 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.11/5.95 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.11/5.95 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.11/5.95 [2019-03-28 12:27:18,113 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.11/5.95 [2019-03-28 12:27:18,113 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.11/5.95 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.11/5.95 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.11/5.95 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.11/5.95 [2019-03-28 12:27:18,145 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.11/5.95 [2019-03-28 12:27:18,145 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.11/5.95 [2019-03-28 12:27:18,157 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.11/5.95 [2019-03-28 12:27:18,157 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] 12.11/5.95 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.11/5.95 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.11/5.95 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.11/5.95 [2019-03-28 12:27:18,186 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.11/5.95 [2019-03-28 12:27:18,186 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.11/5.95 [2019-03-28 12:27:18,190 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.11/5.95 [2019-03-28 12:27:18,190 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: [] 12.11/5.95 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.11/5.95 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.11/5.95 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.11/5.95 [2019-03-28 12:27:18,219 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.11/5.95 [2019-03-28 12:27:18,219 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.11/5.95 [2019-03-28 12:27:18,223 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.11/5.95 [2019-03-28 12:27:18,223 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 12.11/5.95 [2019-03-28 12:27:18,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:27:18 BasicIcfg 12.11/5.95 [2019-03-28 12:27:18,268 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.11/5.95 [2019-03-28 12:27:18,268 INFO L168 Benchmark]: Toolchain (without parser) took 1444.53 ms. Allocated memory was 649.6 MB in the beginning and 682.6 MB in the end (delta: 33.0 MB). Free memory was 562.9 MB in the beginning and 553.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 42.2 MB. Max. memory is 50.3 GB. 12.11/5.95 [2019-03-28 12:27:18,270 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.11/5.95 [2019-03-28 12:27:18,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.60 ms. Allocated memory was 649.6 MB in the beginning and 682.6 MB in the end (delta: 33.0 MB). Free memory was 562.9 MB in the beginning and 650.3 MB in the end (delta: -87.4 MB). Peak memory consumption was 29.6 MB. Max. memory is 50.3 GB. 12.11/5.95 [2019-03-28 12:27:18,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.32 ms. Allocated memory is still 682.6 MB. Free memory was 650.3 MB in the beginning and 648.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.11/5.95 [2019-03-28 12:27:18,272 INFO L168 Benchmark]: Boogie Preprocessor took 20.22 ms. Allocated memory is still 682.6 MB. Free memory was 648.9 MB in the beginning and 645.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.11/5.95 [2019-03-28 12:27:18,273 INFO L168 Benchmark]: RCFGBuilder took 189.13 ms. Allocated memory is still 682.6 MB. Free memory was 645.8 MB in the beginning and 634.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 50.3 GB. 12.11/5.95 [2019-03-28 12:27:18,273 INFO L168 Benchmark]: BlockEncodingV2 took 66.41 ms. Allocated memory is still 682.6 MB. Free memory was 634.3 MB in the beginning and 628.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.11/5.95 [2019-03-28 12:27:18,274 INFO L168 Benchmark]: TraceAbstraction took 154.54 ms. Allocated memory is still 682.6 MB. Free memory was 628.9 MB in the beginning and 620.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 12.11/5.95 [2019-03-28 12:27:18,274 INFO L168 Benchmark]: BuchiAutomizer took 686.04 ms. Allocated memory is still 682.6 MB. Free memory was 620.8 MB in the beginning and 553.7 MB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 50.3 GB. 12.11/5.95 [2019-03-28 12:27:18,279 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.11/5.95 --- Results --- 12.11/5.95 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.11/5.95 - StatisticsResult: Initial Icfg 12.11/5.95 5 locations, 6 edges 12.11/5.95 - StatisticsResult: Encoded RCFG 12.11/5.95 2 locations, 2 edges 12.11/5.95 * Results from de.uni_freiburg.informatik.ultimate.core: 12.11/5.95 - StatisticsResult: Toolchain Benchmarks 12.11/5.95 Benchmark results are: 12.11/5.95 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.11/5.95 * CACSL2BoogieTranslator took 286.60 ms. Allocated memory was 649.6 MB in the beginning and 682.6 MB in the end (delta: 33.0 MB). Free memory was 562.9 MB in the beginning and 650.3 MB in the end (delta: -87.4 MB). Peak memory consumption was 29.6 MB. Max. memory is 50.3 GB. 12.11/5.95 * Boogie Procedure Inliner took 36.32 ms. Allocated memory is still 682.6 MB. Free memory was 650.3 MB in the beginning and 648.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.11/5.95 * Boogie Preprocessor took 20.22 ms. Allocated memory is still 682.6 MB. Free memory was 648.9 MB in the beginning and 645.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.11/5.95 * RCFGBuilder took 189.13 ms. Allocated memory is still 682.6 MB. Free memory was 645.8 MB in the beginning and 634.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 50.3 GB. 12.11/5.95 * BlockEncodingV2 took 66.41 ms. Allocated memory is still 682.6 MB. Free memory was 634.3 MB in the beginning and 628.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.11/5.95 * TraceAbstraction took 154.54 ms. Allocated memory is still 682.6 MB. Free memory was 628.9 MB in the beginning and 620.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 12.11/5.95 * BuchiAutomizer took 686.04 ms. Allocated memory is still 682.6 MB. Free memory was 620.8 MB in the beginning and 553.7 MB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 50.3 GB. 12.11/5.95 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.11/5.95 - AllSpecificationsHoldResult: All specifications hold 12.11/5.95 We were not able to verify any specifiation because the program does not contain any specification. 12.11/5.95 - InvariantResult [Line: 13]: Loop Invariant 12.11/5.95 Derived loop invariant: 1 12.11/5.95 - StatisticsResult: Ultimate Automizer benchmark data 12.11/5.95 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 12.11/5.95 - StatisticsResult: Constructed decomposition of program 12.11/5.95 Trivial decomposition into one nonterminating module. 12.11/5.95 - StatisticsResult: Timing statistics 12.11/5.95 BüchiAutomizer plugin needed 0.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 12.11/5.95 - TerminationAnalysisResult: Nontermination possible 12.11/5.95 Buchi Automizer proved that your program is nonterminating for some inputs 12.11/5.95 - GeometricNonTerminationArgumentResult [Line: 13]: Nontermination argument in form of an infinite program execution. 12.11/5.95 Nontermination argument in form of an infinite execution 12.11/5.95 {|ULTIMATE.start_main_#t~nondet0|=0, |ULTIMATE.start_main_#t~post1|=0, ULTIMATE.start_main_~x~0=0, |ULTIMATE.start_main_#res|=0} 12.11/5.95 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10c55e3=0, \result=0, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@15e9c945=0} 12.11/5.95 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10c55e3=0, \result=0, x=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@15e9c945=0} 12.11/5.95 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10c55e3=0, \result=0, x=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@15e9c945=0} 12.11/5.95 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10c55e3=0, \result=0, x=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@15e9c945=0} 12.11/5.95 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10c55e3=0, \result=0, x=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@15e9c945=0} 12.11/5.95 - StatisticsResult: NonterminationArgumentStatistics 12.11/5.95 Unbounded Execution 1GEVs Lambdas: [0, 1, 0] Mus: [0, 0] 12.11/5.95 - NonterminatingLassoResult [Line: 13]: Nonterminating execution 12.11/5.95 Found a nonterminating execution for the following lasso shaped sequence of statements. 12.11/5.95 Stem: 12.11/5.95 [L12] int x = __VERIFIER_nondet_int(); 12.11/5.95 Loop: 12.11/5.95 [L13] COND TRUE x >= 0 12.11/5.95 [L14] x++ 12.11/5.95 End of lasso representation. 12.11/5.95 RESULT: Ultimate proved your program to be incorrect! 12.11/5.95 !SESSION 2019-03-28 12:27:13.536 ----------------------------------------------- 12.11/5.95 eclipse.buildId=unknown 12.11/5.95 java.version=1.8.0_181 12.11/5.95 java.vendor=Oracle Corporation 12.11/5.95 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.11/5.95 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.11/5.95 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 12.11/5.95 12.11/5.95 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:27:18.524 12.11/5.95 !MESSAGE The workspace will exit with unsaved changes in this session. 12.11/5.95 Received shutdown request... 12.11/5.95 Ultimate: 12.11/5.95 GTK+ Version Check 12.11/5.95 EOF