14.48/6.58 MAYBE 14.48/6.58 14.48/6.58 Ultimate: Cannot open display: 14.48/6.58 This is Ultimate 0.1.24-8dc7c08-m 14.48/6.58 [2019-03-28 12:48:47,865 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.48/6.58 [2019-03-28 12:48:47,868 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.48/6.58 [2019-03-28 12:48:47,879 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.48/6.58 [2019-03-28 12:48:47,879 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.48/6.58 [2019-03-28 12:48:47,880 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.48/6.58 [2019-03-28 12:48:47,881 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.48/6.58 [2019-03-28 12:48:47,883 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.48/6.58 [2019-03-28 12:48:47,885 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.48/6.58 [2019-03-28 12:48:47,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.48/6.58 [2019-03-28 12:48:47,886 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.48/6.58 [2019-03-28 12:48:47,886 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.48/6.58 [2019-03-28 12:48:47,887 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.48/6.58 [2019-03-28 12:48:47,888 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.48/6.58 [2019-03-28 12:48:47,889 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.48/6.58 [2019-03-28 12:48:47,890 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.48/6.58 [2019-03-28 12:48:47,891 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.48/6.58 [2019-03-28 12:48:47,893 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.48/6.58 [2019-03-28 12:48:47,894 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.48/6.58 [2019-03-28 12:48:47,896 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.48/6.58 [2019-03-28 12:48:47,897 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.48/6.58 [2019-03-28 12:48:47,898 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.48/6.58 [2019-03-28 12:48:47,900 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.48/6.58 [2019-03-28 12:48:47,901 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.48/6.58 [2019-03-28 12:48:47,901 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.48/6.58 [2019-03-28 12:48:47,901 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.48/6.58 [2019-03-28 12:48:47,902 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.48/6.58 [2019-03-28 12:48:47,903 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.48/6.58 [2019-03-28 12:48:47,903 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.48/6.58 [2019-03-28 12:48:47,904 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.48/6.58 [2019-03-28 12:48:47,904 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.48/6.58 [2019-03-28 12:48:47,905 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.48/6.58 [2019-03-28 12:48:47,906 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.48/6.58 [2019-03-28 12:48:47,906 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.48/6.58 [2019-03-28 12:48:47,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.48/6.58 [2019-03-28 12:48:47,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.48/6.58 [2019-03-28 12:48:47,907 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.48/6.58 [2019-03-28 12:48:47,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.48/6.58 [2019-03-28 12:48:47,909 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.48/6.58 [2019-03-28 12:48:47,909 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.48/6.58 [2019-03-28 12:48:47,923 INFO L110 SettingsManager]: Loading preferences was successful 14.48/6.58 [2019-03-28 12:48:47,924 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.48/6.58 [2019-03-28 12:48:47,925 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.48/6.58 [2019-03-28 12:48:47,925 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.48/6.58 [2019-03-28 12:48:47,925 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.48/6.58 [2019-03-28 12:48:47,925 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.48/6.58 [2019-03-28 12:48:47,925 INFO L133 SettingsManager]: * Use SBE=true 14.48/6.58 [2019-03-28 12:48:47,926 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.48/6.58 [2019-03-28 12:48:47,926 INFO L133 SettingsManager]: * Use old map elimination=false 14.48/6.58 [2019-03-28 12:48:47,926 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.48/6.58 [2019-03-28 12:48:47,926 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.48/6.58 [2019-03-28 12:48:47,926 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.48/6.58 [2019-03-28 12:48:47,927 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.48/6.58 [2019-03-28 12:48:47,927 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.48/6.58 [2019-03-28 12:48:47,927 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.48/6.58 [2019-03-28 12:48:47,927 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.48/6.58 [2019-03-28 12:48:47,927 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.48/6.58 [2019-03-28 12:48:47,927 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.48/6.58 [2019-03-28 12:48:47,928 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.48/6.58 [2019-03-28 12:48:47,928 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.48/6.58 [2019-03-28 12:48:47,928 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.48/6.58 [2019-03-28 12:48:47,928 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.48/6.58 [2019-03-28 12:48:47,928 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.48/6.58 [2019-03-28 12:48:47,928 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.48/6.58 [2019-03-28 12:48:47,929 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.48/6.58 [2019-03-28 12:48:47,929 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.48/6.58 [2019-03-28 12:48:47,929 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.48/6.58 [2019-03-28 12:48:47,929 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.48/6.58 [2019-03-28 12:48:47,929 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.48/6.58 [2019-03-28 12:48:47,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.48/6.58 [2019-03-28 12:48:47,968 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.48/6.58 [2019-03-28 12:48:47,972 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.48/6.58 [2019-03-28 12:48:47,973 INFO L271 PluginConnector]: Initializing CDTParser... 14.48/6.58 [2019-03-28 12:48:47,974 INFO L276 PluginConnector]: CDTParser initialized 14.48/6.58 [2019-03-28 12:48:47,974 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.48/6.58 [2019-03-28 12:48:48,036 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/3e340e0fa741421b936b535b495d9115/FLAG4b0d377cf 14.48/6.58 [2019-03-28 12:48:48,390 INFO L307 CDTParser]: Found 1 translation units. 14.48/6.58 [2019-03-28 12:48:48,391 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.48/6.58 [2019-03-28 12:48:48,391 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. 14.48/6.58 [2019-03-28 12:48:48,398 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/3e340e0fa741421b936b535b495d9115/FLAG4b0d377cf 14.48/6.58 [2019-03-28 12:48:48,786 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/3e340e0fa741421b936b535b495d9115 14.48/6.58 [2019-03-28 12:48:48,798 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.48/6.58 [2019-03-28 12:48:48,800 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.48/6.58 [2019-03-28 12:48:48,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.48/6.58 [2019-03-28 12:48:48,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.48/6.58 [2019-03-28 12:48:48,805 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.48/6.58 [2019-03-28 12:48:48,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:48:48" (1/1) ... 14.48/6.58 [2019-03-28 12:48:48,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1aba1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:48, skipping insertion in model container 14.48/6.58 [2019-03-28 12:48:48,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:48:48" (1/1) ... 14.48/6.58 [2019-03-28 12:48:48,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.48/6.58 [2019-03-28 12:48:48,837 INFO L176 MainTranslator]: Built tables and reachable declarations 14.48/6.58 [2019-03-28 12:48:49,012 INFO L206 PostProcessor]: Analyzing one entry point: main 14.48/6.58 [2019-03-28 12:48:49,025 INFO L191 MainTranslator]: Completed pre-run 14.48/6.58 [2019-03-28 12:48:49,109 INFO L206 PostProcessor]: Analyzing one entry point: main 14.48/6.58 [2019-03-28 12:48:49,126 INFO L195 MainTranslator]: Completed translation 14.48/6.58 [2019-03-28 12:48:49,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:49 WrapperNode 14.48/6.58 [2019-03-28 12:48:49,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.48/6.58 [2019-03-28 12:48:49,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.48/6.58 [2019-03-28 12:48:49,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.48/6.58 [2019-03-28 12:48:49,127 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.48/6.58 [2019-03-28 12:48:49,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:49" (1/1) ... 14.48/6.58 [2019-03-28 12:48:49,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:49" (1/1) ... 14.48/6.58 [2019-03-28 12:48:49,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.48/6.58 [2019-03-28 12:48:49,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.48/6.58 [2019-03-28 12:48:49,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.48/6.58 [2019-03-28 12:48:49,173 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.48/6.58 [2019-03-28 12:48:49,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:49" (1/1) ... 14.48/6.58 [2019-03-28 12:48:49,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:49" (1/1) ... 14.48/6.58 [2019-03-28 12:48:49,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:49" (1/1) ... 14.48/6.58 [2019-03-28 12:48:49,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:49" (1/1) ... 14.48/6.58 [2019-03-28 12:48:49,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:49" (1/1) ... 14.48/6.58 [2019-03-28 12:48:49,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:49" (1/1) ... 14.48/6.58 [2019-03-28 12:48:49,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:49" (1/1) ... 14.48/6.58 [2019-03-28 12:48:49,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.48/6.58 [2019-03-28 12:48:49,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.48/6.58 [2019-03-28 12:48:49,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.48/6.58 [2019-03-28 12:48:49,203 INFO L276 PluginConnector]: RCFGBuilder initialized 14.48/6.58 [2019-03-28 12:48:49,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:49" (1/1) ... 14.48/6.58 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.48/6.58 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.48/6.58 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.48/6.58 [2019-03-28 12:48:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int 14.48/6.58 [2019-03-28 12:48:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.48/6.58 [2019-03-28 12:48:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.48/6.58 [2019-03-28 12:48:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int 14.48/6.58 [2019-03-28 12:48:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack 14.48/6.58 [2019-03-28 12:48:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc 14.48/6.58 [2019-03-28 12:48:49,597 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.48/6.58 [2019-03-28 12:48:49,597 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 14.48/6.58 [2019-03-28 12:48:49,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:48:49 BoogieIcfgContainer 14.48/6.58 [2019-03-28 12:48:49,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.48/6.58 [2019-03-28 12:48:49,599 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.48/6.58 [2019-03-28 12:48:49,599 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.48/6.58 [2019-03-28 12:48:49,602 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.48/6.58 [2019-03-28 12:48:49,602 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:48:49" (1/1) ... 14.48/6.58 [2019-03-28 12:48:49,623 INFO L313 BlockEncoder]: Initial Icfg 46 locations, 53 edges 14.48/6.58 [2019-03-28 12:48:49,625 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.48/6.58 [2019-03-28 12:48:49,625 INFO L263 BlockEncoder]: Using Maximize final states 14.48/6.58 [2019-03-28 12:48:49,626 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.48/6.58 [2019-03-28 12:48:49,626 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.48/6.58 [2019-03-28 12:48:49,628 INFO L296 BlockEncoder]: Using Remove sink states 14.48/6.58 [2019-03-28 12:48:49,629 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.48/6.58 [2019-03-28 12:48:49,629 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.48/6.58 [2019-03-28 12:48:49,654 INFO L185 BlockEncoder]: Using Use SBE 14.48/6.58 [2019-03-28 12:48:49,699 INFO L200 BlockEncoder]: SBE split 21 edges 14.48/6.58 [2019-03-28 12:48:49,705 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 14.48/6.58 [2019-03-28 12:48:49,707 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.48/6.58 [2019-03-28 12:48:49,746 INFO L100 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding 14.48/6.58 [2019-03-28 12:48:49,749 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.48/6.58 [2019-03-28 12:48:49,751 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.48/6.58 [2019-03-28 12:48:49,751 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.48/6.58 [2019-03-28 12:48:49,751 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.48/6.58 [2019-03-28 12:48:49,752 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.48/6.58 [2019-03-28 12:48:49,753 INFO L313 BlockEncoder]: Encoded RCFG 39 locations, 79 edges 14.48/6.58 [2019-03-28 12:48:49,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:48:49 BasicIcfg 14.48/6.58 [2019-03-28 12:48:49,753 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.48/6.58 [2019-03-28 12:48:49,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.48/6.58 [2019-03-28 12:48:49,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.48/6.58 [2019-03-28 12:48:49,758 INFO L276 PluginConnector]: TraceAbstraction initialized 14.48/6.58 [2019-03-28 12:48:49,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:48:48" (1/4) ... 14.48/6.58 [2019-03-28 12:48:49,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4193c1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:48:49, skipping insertion in model container 14.48/6.58 [2019-03-28 12:48:49,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:49" (2/4) ... 14.48/6.58 [2019-03-28 12:48:49,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4193c1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:48:49, skipping insertion in model container 14.48/6.58 [2019-03-28 12:48:49,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:48:49" (3/4) ... 14.48/6.58 [2019-03-28 12:48:49,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4193c1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:48:49, skipping insertion in model container 14.48/6.58 [2019-03-28 12:48:49,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:48:49" (4/4) ... 14.48/6.58 [2019-03-28 12:48:49,762 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.48/6.58 [2019-03-28 12:48:49,772 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.48/6.58 [2019-03-28 12:48:49,780 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 20 error locations. 14.48/6.58 [2019-03-28 12:48:49,799 INFO L257 AbstractCegarLoop]: Starting to check reachability of 20 error locations. 14.48/6.58 [2019-03-28 12:48:49,829 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.48/6.58 [2019-03-28 12:48:49,830 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.48/6.58 [2019-03-28 12:48:49,830 INFO L383 AbstractCegarLoop]: Hoare is true 14.48/6.58 [2019-03-28 12:48:49,830 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.48/6.58 [2019-03-28 12:48:49,830 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.48/6.58 [2019-03-28 12:48:49,830 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.48/6.58 [2019-03-28 12:48:49,831 INFO L387 AbstractCegarLoop]: Difference is false 14.48/6.58 [2019-03-28 12:48:49,831 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.48/6.58 [2019-03-28 12:48:49,831 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.48/6.58 [2019-03-28 12:48:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. 14.48/6.58 [2019-03-28 12:48:49,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 14.48/6.58 [2019-03-28 12:48:49,853 INFO L394 BasicCegarLoop]: Found error trace 14.48/6.58 [2019-03-28 12:48:49,854 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] 14.48/6.58 [2019-03-28 12:48:49,854 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION]=== 14.48/6.58 [2019-03-28 12:48:49,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.48/6.58 [2019-03-28 12:48:49,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1188931749, now seen corresponding path program 1 times 14.48/6.58 [2019-03-28 12:48:49,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.48/6.58 [2019-03-28 12:48:49,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.48/6.58 [2019-03-28 12:48:49,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.48/6.58 [2019-03-28 12:48:49,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.48/6.58 [2019-03-28 12:48:49,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.48/6.58 [2019-03-28 12:48:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.48/6.58 [2019-03-28 12:48:50,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.48/6.58 [2019-03-28 12:48:50,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.48/6.58 [2019-03-28 12:48:50,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 14.48/6.58 [2019-03-28 12:48:50,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 14.48/6.58 [2019-03-28 12:48:50,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.48/6.58 [2019-03-28 12:48:50,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.48/6.58 [2019-03-28 12:48:50,094 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 3 states. 14.48/6.58 [2019-03-28 12:48:50,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.48/6.58 [2019-03-28 12:48:50,347 INFO L93 Difference]: Finished difference Result 39 states and 79 transitions. 14.48/6.58 [2019-03-28 12:48:50,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 14.48/6.58 [2019-03-28 12:48:50,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 14.48/6.58 [2019-03-28 12:48:50,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 14.48/6.58 [2019-03-28 12:48:50,386 INFO L225 Difference]: With dead ends: 39 14.48/6.58 [2019-03-28 12:48:50,386 INFO L226 Difference]: Without dead ends: 36 14.48/6.58 [2019-03-28 12:48:50,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.48/6.58 [2019-03-28 12:48:50,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. 14.48/6.58 [2019-03-28 12:48:50,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. 14.48/6.58 [2019-03-28 12:48:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. 14.48/6.58 [2019-03-28 12:48:50,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 73 transitions. 14.48/6.58 [2019-03-28 12:48:50,430 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 73 transitions. Word has length 7 14.48/6.58 [2019-03-28 12:48:50,431 INFO L84 Accepts]: Finished accepts. word is rejected. 14.48/6.58 [2019-03-28 12:48:50,431 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 73 transitions. 14.48/6.58 [2019-03-28 12:48:50,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 14.48/6.58 [2019-03-28 12:48:50,431 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. 14.48/6.58 [2019-03-28 12:48:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 14.48/6.58 [2019-03-28 12:48:50,432 INFO L394 BasicCegarLoop]: Found error trace 14.48/6.58 [2019-03-28 12:48:50,432 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] 14.48/6.58 [2019-03-28 12:48:50,432 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION]=== 14.48/6.58 [2019-03-28 12:48:50,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.48/6.58 [2019-03-28 12:48:50,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1188931751, now seen corresponding path program 1 times 14.48/6.58 [2019-03-28 12:48:50,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.48/6.58 [2019-03-28 12:48:50,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.48/6.58 [2019-03-28 12:48:50,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.48/6.58 [2019-03-28 12:48:50,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.48/6.58 [2019-03-28 12:48:50,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.48/6.58 [2019-03-28 12:48:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.48/6.58 [2019-03-28 12:48:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.48/6.58 [2019-03-28 12:48:50,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.48/6.58 [2019-03-28 12:48:50,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 14.48/6.58 [2019-03-28 12:48:50,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 14.48/6.58 [2019-03-28 12:48:50,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.48/6.58 [2019-03-28 12:48:50,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.48/6.58 [2019-03-28 12:48:50,484 INFO L87 Difference]: Start difference. First operand 36 states and 73 transitions. Second operand 3 states. 14.48/6.58 [2019-03-28 12:48:50,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.48/6.58 [2019-03-28 12:48:50,703 INFO L93 Difference]: Finished difference Result 71 states and 125 transitions. 14.48/6.58 [2019-03-28 12:48:50,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 14.48/6.58 [2019-03-28 12:48:50,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 14.48/6.58 [2019-03-28 12:48:50,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 14.48/6.58 [2019-03-28 12:48:50,705 INFO L225 Difference]: With dead ends: 71 14.48/6.58 [2019-03-28 12:48:50,705 INFO L226 Difference]: Without dead ends: 68 14.48/6.58 [2019-03-28 12:48:50,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.48/6.58 [2019-03-28 12:48:50,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. 14.48/6.58 [2019-03-28 12:48:50,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 51. 14.48/6.58 [2019-03-28 12:48:50,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. 14.48/6.58 [2019-03-28 12:48:50,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 122 transitions. 14.48/6.58 [2019-03-28 12:48:50,716 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 122 transitions. Word has length 7 14.48/6.58 [2019-03-28 12:48:50,716 INFO L84 Accepts]: Finished accepts. word is rejected. 14.48/6.58 [2019-03-28 12:48:50,716 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 122 transitions. 14.48/6.58 [2019-03-28 12:48:50,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 14.48/6.58 [2019-03-28 12:48:50,716 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 122 transitions. 14.48/6.58 [2019-03-28 12:48:50,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 14.48/6.58 [2019-03-28 12:48:50,717 INFO L394 BasicCegarLoop]: Found error trace 14.48/6.58 [2019-03-28 12:48:50,717 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] 14.48/6.58 [2019-03-28 12:48:50,717 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION]=== 14.48/6.58 [2019-03-28 12:48:50,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.48/6.58 [2019-03-28 12:48:50,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1188931752, now seen corresponding path program 1 times 14.48/6.58 [2019-03-28 12:48:50,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.48/6.58 [2019-03-28 12:48:50,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.48/6.58 [2019-03-28 12:48:50,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.48/6.58 [2019-03-28 12:48:50,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.48/6.58 [2019-03-28 12:48:50,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.48/6.58 [2019-03-28 12:48:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.48/6.58 [2019-03-28 12:48:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.48/6.58 [2019-03-28 12:48:50,794 INFO L469 BasicCegarLoop]: Counterexample might be feasible 14.48/6.58 [2019-03-28 12:48:50,824 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg 14.48/6.58 [2019-03-28 12:48:50,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:48:50 BasicIcfg 14.48/6.58 [2019-03-28 12:48:50,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.48/6.58 [2019-03-28 12:48:50,827 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.48/6.58 [2019-03-28 12:48:50,828 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.48/6.58 [2019-03-28 12:48:50,831 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.48/6.58 [2019-03-28 12:48:50,832 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 14.48/6.58 [2019-03-28 12:48:50,832 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 14.48/6.58 [2019-03-28 12:48:50,832 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 14.48/6.58 [2019-03-28 12:48:50,832 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 14.48/6.58 [2019-03-28 12:48:50,832 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 14.48/6.58 [2019-03-28 12:48:50,832 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.48/6.58 [2019-03-28 12:48:50,833 INFO L168 Benchmark]: Toolchain (without parser) took 2034.13 ms. Allocated memory was 649.6 MB in the beginning and 658.0 MB in the end (delta: 8.4 MB). Free memory was 558.5 MB in the beginning and 480.8 MB in the end (delta: 77.7 MB). Peak memory consumption was 86.0 MB. Max. memory is 50.3 GB. 14.48/6.58 [2019-03-28 12:48:50,835 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.48/6.58 [2019-03-28 12:48:50,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.90 ms. Allocated memory was 649.6 MB in the beginning and 658.0 MB in the end (delta: 8.4 MB). Free memory was 558.5 MB in the beginning and 621.3 MB in the end (delta: -62.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 14.48/6.58 [2019-03-28 12:48:50,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.91 ms. Allocated memory is still 658.0 MB. Free memory was 621.3 MB in the beginning and 618.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. 14.48/6.58 [2019-03-28 12:48:50,837 INFO L168 Benchmark]: Boogie Preprocessor took 30.10 ms. Allocated memory is still 658.0 MB. Free memory was 618.6 MB in the beginning and 617.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.48/6.58 [2019-03-28 12:48:50,838 INFO L168 Benchmark]: RCFGBuilder took 396.06 ms. Allocated memory is still 658.0 MB. Free memory was 617.2 MB in the beginning and 588.4 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. 14.48/6.58 [2019-03-28 12:48:50,839 INFO L168 Benchmark]: BlockEncodingV2 took 154.16 ms. Allocated memory is still 658.0 MB. Free memory was 588.4 MB in the beginning and 574.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 14.48/6.58 [2019-03-28 12:48:50,839 INFO L168 Benchmark]: TraceAbstraction took 1072.68 ms. Allocated memory is still 658.0 MB. Free memory was 574.9 MB in the beginning and 482.2 MB in the end (delta: 92.7 MB). Peak memory consumption was 92.7 MB. Max. memory is 50.3 GB. 14.48/6.58 [2019-03-28 12:48:50,840 INFO L168 Benchmark]: BuchiAutomizer took 4.98 ms. Allocated memory is still 658.0 MB. Free memory is still 480.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.48/6.58 [2019-03-28 12:48:50,844 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.48/6.58 --- Results --- 14.48/6.58 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.48/6.58 - StatisticsResult: Initial Icfg 14.48/6.58 46 locations, 53 edges 14.48/6.58 - StatisticsResult: Encoded RCFG 14.48/6.58 39 locations, 79 edges 14.48/6.58 * Results from de.uni_freiburg.informatik.ultimate.core: 14.48/6.58 - StatisticsResult: Toolchain Benchmarks 14.48/6.58 Benchmark results are: 14.48/6.58 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.48/6.58 * CACSL2BoogieTranslator took 325.90 ms. Allocated memory was 649.6 MB in the beginning and 658.0 MB in the end (delta: 8.4 MB). Free memory was 558.5 MB in the beginning and 621.3 MB in the end (delta: -62.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 14.48/6.58 * Boogie Procedure Inliner took 44.91 ms. Allocated memory is still 658.0 MB. Free memory was 621.3 MB in the beginning and 618.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. 14.48/6.58 * Boogie Preprocessor took 30.10 ms. Allocated memory is still 658.0 MB. Free memory was 618.6 MB in the beginning and 617.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.48/6.58 * RCFGBuilder took 396.06 ms. Allocated memory is still 658.0 MB. Free memory was 617.2 MB in the beginning and 588.4 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. 14.48/6.58 * BlockEncodingV2 took 154.16 ms. Allocated memory is still 658.0 MB. Free memory was 588.4 MB in the beginning and 574.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 14.48/6.58 * TraceAbstraction took 1072.68 ms. Allocated memory is still 658.0 MB. Free memory was 574.9 MB in the beginning and 482.2 MB in the end (delta: 92.7 MB). Peak memory consumption was 92.7 MB. Max. memory is 50.3 GB. 14.48/6.58 * BuchiAutomizer took 4.98 ms. Allocated memory is still 658.0 MB. Free memory is still 480.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.48/6.58 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.48/6.58 - CounterExampleResult [Line: 10]: pointer dereference may fail 14.48/6.58 pointer dereference may fail 14.48/6.58 We found a FailurePath: 14.48/6.58 [L21] int N = __VERIFIER_nondet_int(); 14.48/6.58 [L22] int M = __VERIFIER_nondet_int(); 14.48/6.58 [L23] COND TRUE N < 1 14.48/6.58 [L24] N = 1 14.48/6.58 [L26] COND TRUE M < 1 14.48/6.58 [L27] M = 1 14.48/6.58 [L29] int *size = (int*) alloca(N * sizeof(int)); 14.48/6.58 [L30] int *val = (int*) alloca(N * sizeof(int)); 14.48/6.58 [L31] int *cost = (int*) alloca(M * sizeof(int)); 14.48/6.58 [L32] int *best = (int*) alloca(M * sizeof(int)); 14.48/6.58 [L7] int i, j; 14.48/6.58 [L8] j = 1 14.48/6.58 [L8] COND TRUE j <= N 14.48/6.58 [L9] i = 1 14.48/6.58 [L9] COND TRUE i <= M 14.48/6.58 [L10] size[j] 14.48/6.58 14.48/6.58 - StatisticsResult: Ultimate Automizer benchmark data 14.48/6.58 CFG has 1 procedures, 39 locations, 20 error locations. UNSAFE Result, 1.0s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 96 SDslu, 43 SDs, 0 SdLazy, 175 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=2, 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available 14.48/6.58 RESULT: Ultimate proved your program to be incorrect! 14.48/6.58 !SESSION 2019-03-28 12:48:45.536 ----------------------------------------------- 14.48/6.58 eclipse.buildId=unknown 14.48/6.58 java.version=1.8.0_181 14.48/6.58 java.vendor=Oracle Corporation 14.48/6.58 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.48/6.58 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.48/6.58 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 14.48/6.58 14.48/6.58 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:48:51.078 14.48/6.58 !MESSAGE The workspace will exit with unsaved changes in this session. 14.48/6.58 Received shutdown request... 14.48/6.58 Ultimate: 14.48/6.58 GTK+ Version Check 14.48/6.58 EOF