12.29/5.99 NO 12.29/5.99 12.29/5.99 Ultimate: Cannot open display: 12.29/5.99 This is Ultimate 0.1.24-8dc7c08-m 12.29/5.99 [2019-03-28 12:39:45,796 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.29/5.99 [2019-03-28 12:39:45,798 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.29/5.99 [2019-03-28 12:39:45,809 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.29/5.99 [2019-03-28 12:39:45,810 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.29/5.99 [2019-03-28 12:39:45,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.29/5.99 [2019-03-28 12:39:45,812 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.29/5.99 [2019-03-28 12:39:45,814 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.29/5.99 [2019-03-28 12:39:45,815 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.29/5.99 [2019-03-28 12:39:45,816 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.29/5.99 [2019-03-28 12:39:45,817 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.29/5.99 [2019-03-28 12:39:45,817 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.29/5.99 [2019-03-28 12:39:45,818 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.29/5.99 [2019-03-28 12:39:45,819 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.29/5.99 [2019-03-28 12:39:45,820 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.29/5.99 [2019-03-28 12:39:45,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.29/5.99 [2019-03-28 12:39:45,822 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.29/5.99 [2019-03-28 12:39:45,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.29/5.99 [2019-03-28 12:39:45,825 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.29/5.99 [2019-03-28 12:39:45,827 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.29/5.99 [2019-03-28 12:39:45,828 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.29/5.99 [2019-03-28 12:39:45,829 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.29/5.99 [2019-03-28 12:39:45,831 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.29/5.99 [2019-03-28 12:39:45,831 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.29/5.99 [2019-03-28 12:39:45,832 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.29/5.99 [2019-03-28 12:39:45,833 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.29/5.99 [2019-03-28 12:39:45,833 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.29/5.99 [2019-03-28 12:39:45,834 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.29/5.99 [2019-03-28 12:39:45,834 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.29/5.99 [2019-03-28 12:39:45,835 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.29/5.99 [2019-03-28 12:39:45,835 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.29/5.99 [2019-03-28 12:39:45,836 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.29/5.99 [2019-03-28 12:39:45,837 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.29/5.99 [2019-03-28 12:39:45,837 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.29/5.99 [2019-03-28 12:39:45,838 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.29/5.99 [2019-03-28 12:39:45,838 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.29/5.99 [2019-03-28 12:39:45,838 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.29/5.99 [2019-03-28 12:39:45,839 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.29/5.99 [2019-03-28 12:39:45,840 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.29/5.99 [2019-03-28 12:39:45,840 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.29/5.99 [2019-03-28 12:39:45,855 INFO L110 SettingsManager]: Loading preferences was successful 12.29/5.99 [2019-03-28 12:39:45,855 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.29/5.99 [2019-03-28 12:39:45,856 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.29/5.99 [2019-03-28 12:39:45,856 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.29/5.99 [2019-03-28 12:39:45,857 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.29/5.99 [2019-03-28 12:39:45,857 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.29/5.99 [2019-03-28 12:39:45,857 INFO L133 SettingsManager]: * Use SBE=true 12.29/5.99 [2019-03-28 12:39:45,857 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.29/5.99 [2019-03-28 12:39:45,857 INFO L133 SettingsManager]: * Use old map elimination=false 12.29/5.99 [2019-03-28 12:39:45,858 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.29/5.99 [2019-03-28 12:39:45,858 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.29/5.99 [2019-03-28 12:39:45,858 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.29/5.99 [2019-03-28 12:39:45,858 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.29/5.99 [2019-03-28 12:39:45,858 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.29/5.99 [2019-03-28 12:39:45,859 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.29/5.99 [2019-03-28 12:39:45,859 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.29/5.99 [2019-03-28 12:39:45,859 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.29/5.99 [2019-03-28 12:39:45,859 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.29/5.99 [2019-03-28 12:39:45,859 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.29/5.99 [2019-03-28 12:39:45,860 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.29/5.99 [2019-03-28 12:39:45,860 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.29/5.99 [2019-03-28 12:39:45,860 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.29/5.99 [2019-03-28 12:39:45,860 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.29/5.99 [2019-03-28 12:39:45,860 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.29/5.99 [2019-03-28 12:39:45,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.29/5.99 [2019-03-28 12:39:45,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.29/5.99 [2019-03-28 12:39:45,861 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.29/5.99 [2019-03-28 12:39:45,861 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.29/5.99 [2019-03-28 12:39:45,861 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.29/5.99 [2019-03-28 12:39:45,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.29/5.99 [2019-03-28 12:39:45,902 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.29/5.99 [2019-03-28 12:39:45,905 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.29/5.99 [2019-03-28 12:39:45,907 INFO L271 PluginConnector]: Initializing CDTParser... 12.29/5.99 [2019-03-28 12:39:45,907 INFO L276 PluginConnector]: CDTParser initialized 12.29/5.99 [2019-03-28 12:39:45,908 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.29/5.99 [2019-03-28 12:39:45,976 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/d6395ed096a0425d8192563edba8bcc6/FLAG729233460 12.29/5.99 [2019-03-28 12:39:46,313 INFO L307 CDTParser]: Found 1 translation units. 12.29/5.99 [2019-03-28 12:39:46,314 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.29/5.99 [2019-03-28 12:39:46,315 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. 12.29/5.99 [2019-03-28 12:39:46,321 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/d6395ed096a0425d8192563edba8bcc6/FLAG729233460 12.29/5.99 [2019-03-28 12:39:46,714 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/d6395ed096a0425d8192563edba8bcc6 12.29/5.99 [2019-03-28 12:39:46,727 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.29/5.99 [2019-03-28 12:39:46,730 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.29/5.99 [2019-03-28 12:39:46,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.29/5.99 [2019-03-28 12:39:46,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.29/5.99 [2019-03-28 12:39:46,734 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.29/5.99 [2019-03-28 12:39:46,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:39:46" (1/1) ... 12.29/5.99 [2019-03-28 12:39:46,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441e1370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:46, skipping insertion in model container 12.29/5.99 [2019-03-28 12:39:46,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:39:46" (1/1) ... 12.29/5.99 [2019-03-28 12:39:46,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.29/5.99 [2019-03-28 12:39:46,763 INFO L176 MainTranslator]: Built tables and reachable declarations 12.29/5.99 [2019-03-28 12:39:46,923 INFO L206 PostProcessor]: Analyzing one entry point: main 12.29/5.99 [2019-03-28 12:39:46,936 INFO L191 MainTranslator]: Completed pre-run 12.29/5.99 [2019-03-28 12:39:46,951 INFO L206 PostProcessor]: Analyzing one entry point: main 12.29/5.99 [2019-03-28 12:39:47,022 INFO L195 MainTranslator]: Completed translation 12.29/5.99 [2019-03-28 12:39:47,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47 WrapperNode 12.29/5.99 [2019-03-28 12:39:47,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.29/5.99 [2019-03-28 12:39:47,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.29/5.99 [2019-03-28 12:39:47,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.29/5.99 [2019-03-28 12:39:47,024 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.29/5.99 [2019-03-28 12:39:47,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47" (1/1) ... 12.29/5.99 [2019-03-28 12:39:47,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47" (1/1) ... 12.29/5.99 [2019-03-28 12:39:47,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.29/5.99 [2019-03-28 12:39:47,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.29/5.99 [2019-03-28 12:39:47,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.29/5.99 [2019-03-28 12:39:47,062 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.29/5.99 [2019-03-28 12:39:47,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47" (1/1) ... 12.29/5.99 [2019-03-28 12:39:47,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47" (1/1) ... 12.29/5.99 [2019-03-28 12:39:47,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47" (1/1) ... 12.29/5.99 [2019-03-28 12:39:47,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47" (1/1) ... 12.29/5.99 [2019-03-28 12:39:47,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47" (1/1) ... 12.29/5.99 [2019-03-28 12:39:47,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47" (1/1) ... 12.29/5.99 [2019-03-28 12:39:47,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47" (1/1) ... 12.29/5.99 [2019-03-28 12:39:47,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.29/5.99 [2019-03-28 12:39:47,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.29/5.99 [2019-03-28 12:39:47,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.29/5.99 [2019-03-28 12:39:47,084 INFO L276 PluginConnector]: RCFGBuilder initialized 12.29/5.99 [2019-03-28 12:39:47,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47" (1/1) ... 12.29/5.99 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.29/5.99 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.29/5.99 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.29/5.99 [2019-03-28 12:39:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int 12.29/5.99 [2019-03-28 12:39:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.29/5.99 [2019-03-28 12:39:47,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.29/5.99 [2019-03-28 12:39:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int 12.29/5.99 [2019-03-28 12:39:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack 12.29/5.99 [2019-03-28 12:39:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc 12.29/5.99 [2019-03-28 12:39:47,316 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.29/5.99 [2019-03-28 12:39:47,317 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.29/5.99 [2019-03-28 12:39:47,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:39:47 BoogieIcfgContainer 12.29/5.99 [2019-03-28 12:39:47,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.29/5.99 [2019-03-28 12:39:47,319 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.29/5.99 [2019-03-28 12:39:47,319 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.29/5.99 [2019-03-28 12:39:47,321 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.29/5.99 [2019-03-28 12:39:47,322 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:39:47" (1/1) ... 12.29/5.99 [2019-03-28 12:39:47,338 INFO L313 BlockEncoder]: Initial Icfg 21 locations, 23 edges 12.29/5.99 [2019-03-28 12:39:47,340 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.29/5.99 [2019-03-28 12:39:47,341 INFO L263 BlockEncoder]: Using Maximize final states 12.29/5.99 [2019-03-28 12:39:47,341 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.29/5.99 [2019-03-28 12:39:47,342 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.29/5.99 [2019-03-28 12:39:47,343 INFO L296 BlockEncoder]: Using Remove sink states 12.29/5.99 [2019-03-28 12:39:47,344 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.29/5.99 [2019-03-28 12:39:47,344 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.29/5.99 [2019-03-28 12:39:47,362 INFO L185 BlockEncoder]: Using Use SBE 12.29/5.99 [2019-03-28 12:39:47,382 INFO L200 BlockEncoder]: SBE split 9 edges 12.29/5.99 [2019-03-28 12:39:47,387 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.29/5.99 [2019-03-28 12:39:47,389 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.29/5.99 [2019-03-28 12:39:47,406 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 12.29/5.99 [2019-03-28 12:39:47,409 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 12.29/5.99 [2019-03-28 12:39:47,410 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.29/5.99 [2019-03-28 12:39:47,411 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.29/5.99 [2019-03-28 12:39:47,416 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 12.29/5.99 [2019-03-28 12:39:47,417 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.29/5.99 [2019-03-28 12:39:47,417 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.29/5.99 [2019-03-28 12:39:47,417 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.29/5.99 [2019-03-28 12:39:47,418 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.29/5.99 [2019-03-28 12:39:47,418 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.29/5.99 [2019-03-28 12:39:47,419 INFO L313 BlockEncoder]: Encoded RCFG 15 locations, 25 edges 12.29/5.99 [2019-03-28 12:39:47,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:39:47 BasicIcfg 12.29/5.99 [2019-03-28 12:39:47,419 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.29/5.99 [2019-03-28 12:39:47,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.29/5.99 [2019-03-28 12:39:47,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.29/5.99 [2019-03-28 12:39:47,424 INFO L276 PluginConnector]: TraceAbstraction initialized 12.29/5.99 [2019-03-28 12:39:47,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:39:46" (1/4) ... 12.29/5.99 [2019-03-28 12:39:47,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bdcccc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:39:47, skipping insertion in model container 12.29/5.99 [2019-03-28 12:39:47,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47" (2/4) ... 12.29/5.99 [2019-03-28 12:39:47,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bdcccc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:39:47, skipping insertion in model container 12.29/5.99 [2019-03-28 12:39:47,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:39:47" (3/4) ... 12.29/5.99 [2019-03-28 12:39:47,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bdcccc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:39:47, skipping insertion in model container 12.29/5.99 [2019-03-28 12:39:47,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:39:47" (4/4) ... 12.29/5.99 [2019-03-28 12:39:47,429 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.29/5.99 [2019-03-28 12:39:47,439 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.29/5.99 [2019-03-28 12:39:47,449 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. 12.29/5.99 [2019-03-28 12:39:47,466 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. 12.29/5.99 [2019-03-28 12:39:47,495 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.29/5.99 [2019-03-28 12:39:47,496 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.29/5.99 [2019-03-28 12:39:47,496 INFO L383 AbstractCegarLoop]: Hoare is true 12.29/5.99 [2019-03-28 12:39:47,497 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.29/5.99 [2019-03-28 12:39:47,497 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.29/5.99 [2019-03-28 12:39:47,497 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.29/5.99 [2019-03-28 12:39:47,497 INFO L387 AbstractCegarLoop]: Difference is false 12.29/5.99 [2019-03-28 12:39:47,497 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.29/5.99 [2019-03-28 12:39:47,497 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.29/5.99 [2019-03-28 12:39:47,512 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. 12.29/5.99 [2019-03-28 12:39:47,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 12.29/5.99 [2019-03-28 12:39:47,519 INFO L394 BasicCegarLoop]: Found error trace 12.29/5.99 [2019-03-28 12:39:47,519 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] 12.29/5.99 [2019-03-28 12:39:47,520 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== 12.29/5.99 [2019-03-28 12:39:47,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.29/5.99 [2019-03-28 12:39:47,526 INFO L82 PathProgramCache]: Analyzing trace with hash 81108, now seen corresponding path program 1 times 12.29/5.99 [2019-03-28 12:39:47,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.29/5.99 [2019-03-28 12:39:47,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.29/5.99 [2019-03-28 12:39:47,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.29/5.99 [2019-03-28 12:39:47,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.29/5.99 [2019-03-28 12:39:47,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.29/5.99 [2019-03-28 12:39:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.29/5.99 [2019-03-28 12:39:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.29/5.99 [2019-03-28 12:39:47,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 12.29/5.99 [2019-03-28 12:39:47,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 12.29/5.99 [2019-03-28 12:39:47,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 12.29/5.99 [2019-03-28 12:39:47,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 12.29/5.99 [2019-03-28 12:39:47,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.29/5.99 [2019-03-28 12:39:47,707 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. 12.29/5.99 [2019-03-28 12:39:47,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 12.29/5.99 [2019-03-28 12:39:47,797 INFO L93 Difference]: Finished difference Result 15 states and 25 transitions. 12.29/5.99 [2019-03-28 12:39:47,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 12.29/5.99 [2019-03-28 12:39:47,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 12.29/5.99 [2019-03-28 12:39:47,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 12.29/5.99 [2019-03-28 12:39:47,812 INFO L225 Difference]: With dead ends: 15 12.29/5.99 [2019-03-28 12:39:47,812 INFO L226 Difference]: Without dead ends: 11 12.29/5.99 [2019-03-28 12:39:47,816 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 12.29/5.99 [2019-03-28 12:39:47,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. 12.29/5.99 [2019-03-28 12:39:47,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. 12.29/5.99 [2019-03-28 12:39:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 12.29/5.99 [2019-03-28 12:39:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 17 transitions. 12.29/5.99 [2019-03-28 12:39:47,852 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 17 transitions. Word has length 3 12.29/5.99 [2019-03-28 12:39:47,852 INFO L84 Accepts]: Finished accepts. word is rejected. 12.29/5.99 [2019-03-28 12:39:47,852 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 17 transitions. 12.29/5.99 [2019-03-28 12:39:47,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 12.29/5.99 [2019-03-28 12:39:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. 12.29/5.99 [2019-03-28 12:39:47,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 12.29/5.99 [2019-03-28 12:39:47,853 INFO L394 BasicCegarLoop]: Found error trace 12.29/5.99 [2019-03-28 12:39:47,853 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] 12.29/5.99 [2019-03-28 12:39:47,853 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== 12.29/5.99 [2019-03-28 12:39:47,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.29/5.99 [2019-03-28 12:39:47,854 INFO L82 PathProgramCache]: Analyzing trace with hash 81110, now seen corresponding path program 1 times 12.29/5.99 [2019-03-28 12:39:47,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.29/5.99 [2019-03-28 12:39:47,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.29/5.99 [2019-03-28 12:39:47,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.29/5.99 [2019-03-28 12:39:47,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.29/5.99 [2019-03-28 12:39:47,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.29/5.99 [2019-03-28 12:39:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.29/5.99 [2019-03-28 12:39:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.29/5.99 [2019-03-28 12:39:47,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 12.29/5.99 [2019-03-28 12:39:47,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 12.29/5.99 [2019-03-28 12:39:47,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 12.29/5.99 [2019-03-28 12:39:47,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 12.29/5.99 [2019-03-28 12:39:47,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.29/5.99 [2019-03-28 12:39:47,885 INFO L87 Difference]: Start difference. First operand 11 states and 17 transitions. Second operand 3 states. 12.29/5.99 [2019-03-28 12:39:47,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 12.29/5.99 [2019-03-28 12:39:47,915 INFO L93 Difference]: Finished difference Result 11 states and 17 transitions. 12.29/5.99 [2019-03-28 12:39:47,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 12.29/5.99 [2019-03-28 12:39:47,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 12.29/5.99 [2019-03-28 12:39:47,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 12.29/5.99 [2019-03-28 12:39:47,917 INFO L225 Difference]: With dead ends: 11 12.29/5.99 [2019-03-28 12:39:47,917 INFO L226 Difference]: Without dead ends: 0 12.29/5.99 [2019-03-28 12:39:47,918 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 12.29/5.99 [2019-03-28 12:39:47,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. 12.29/5.99 [2019-03-28 12:39:47,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. 12.29/5.99 [2019-03-28 12:39:47,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. 12.29/5.99 [2019-03-28 12:39:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. 12.29/5.99 [2019-03-28 12:39:47,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 12.29/5.99 [2019-03-28 12:39:47,919 INFO L84 Accepts]: Finished accepts. word is rejected. 12.29/5.99 [2019-03-28 12:39:47,919 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. 12.29/5.99 [2019-03-28 12:39:47,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 12.29/5.99 [2019-03-28 12:39:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. 12.29/5.99 [2019-03-28 12:39:47,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.29/5.99 [2019-03-28 12:39:47,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. 12.29/5.99 [2019-03-28 12:39:47,941 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,941 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,942 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0REQUIRES_VIOLATION(line 5) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,942 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1REQUIRES_VIOLATION(line 5) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,942 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2REQUIRES_VIOLATION(line 6) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,942 INFO L448 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,942 INFO L448 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,942 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3REQUIRES_VIOLATION(line 6) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,942 INFO L448 ceAbstractionStarter]: For program point L7-1(line 7) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,943 INFO L448 ceAbstractionStarter]: For program point L6-1(lines 6 8) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,943 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr4REQUIRES_VIOLATION(line 7) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,943 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr5REQUIRES_VIOLATION(line 7) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,943 INFO L444 ceAbstractionStarter]: At program point L6-3(lines 5 9) the Hoare annotation is: (and (= (select |#valid| ULTIMATE.start_main_~x~0.base) 1) (= ULTIMATE.start_main_~x~0.offset 0) (= 4 (select |#length| ULTIMATE.start_main_~x~0.base))) 12.29/5.99 [2019-03-28 12:39:47,943 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr6REQUIRES_VIOLATION(line 7) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,944 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr7REQUIRES_VIOLATION(line 7) no Hoare annotation was computed. 12.29/5.99 [2019-03-28 12:39:47,944 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg 12.29/5.99 [2019-03-28 12:39:47,952 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 12.29/5.99 [2019-03-28 12:39:47,958 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 12.29/5.99 [2019-03-28 12:39:47,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:39:47 BasicIcfg 12.29/5.99 [2019-03-28 12:39:47,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.29/5.99 [2019-03-28 12:39:47,961 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.29/5.99 [2019-03-28 12:39:47,961 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.29/5.99 [2019-03-28 12:39:47,964 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.29/5.99 [2019-03-28 12:39:47,965 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.29/5.99 [2019-03-28 12:39:47,965 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:39:46" (1/5) ... 12.29/5.99 [2019-03-28 12:39:47,966 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59537ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:39:47, skipping insertion in model container 12.29/5.99 [2019-03-28 12:39:47,966 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.29/5.99 [2019-03-28 12:39:47,966 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:39:47" (2/5) ... 12.29/5.99 [2019-03-28 12:39:47,966 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59537ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:39:47, skipping insertion in model container 12.29/5.99 [2019-03-28 12:39:47,966 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.29/5.99 [2019-03-28 12:39:47,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:39:47" (3/5) ... 12.29/5.99 [2019-03-28 12:39:47,967 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59537ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:39:47, skipping insertion in model container 12.29/5.99 [2019-03-28 12:39:47,967 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.29/5.99 [2019-03-28 12:39:47,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:39:47" (4/5) ... 12.29/5.99 [2019-03-28 12:39:47,967 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59537ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:39:47, skipping insertion in model container 12.29/5.99 [2019-03-28 12:39:47,968 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.29/5.99 [2019-03-28 12:39:47,968 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:39:47" (5/5) ... 12.29/5.99 [2019-03-28 12:39:47,969 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.29/5.99 [2019-03-28 12:39:47,990 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.29/6.00 [2019-03-28 12:39:47,990 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.29/6.00 [2019-03-28 12:39:47,990 INFO L375 BuchiCegarLoop]: Hoare is true 12.29/6.00 [2019-03-28 12:39:47,990 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.29/6.00 [2019-03-28 12:39:47,991 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.29/6.00 [2019-03-28 12:39:47,991 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.29/6.00 [2019-03-28 12:39:47,991 INFO L379 BuchiCegarLoop]: Difference is false 12.29/6.00 [2019-03-28 12:39:47,991 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.29/6.00 [2019-03-28 12:39:47,991 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.29/6.00 [2019-03-28 12:39:47,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. 12.29/6.00 [2019-03-28 12:39:47,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 12.29/6.00 [2019-03-28 12:39:47,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.29/6.00 [2019-03-28 12:39:48,000 INFO L119 BuchiIsEmpty]: Starting construction of run 12.29/6.00 [2019-03-28 12:39:48,004 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 12.29/6.00 [2019-03-28 12:39:48,004 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 12.29/6.00 [2019-03-28 12:39:48,004 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.29/6.00 [2019-03-28 12:39:48,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. 12.29/6.00 [2019-03-28 12:39:48,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 12.29/6.00 [2019-03-28 12:39:48,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.29/6.00 [2019-03-28 12:39:48,006 INFO L119 BuchiIsEmpty]: Starting construction of run 12.29/6.00 [2019-03-28 12:39:48,007 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 12.29/6.00 [2019-03-28 12:39:48,007 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 12.29/6.00 [2019-03-28 12:39:48,012 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue [51] ULTIMATE.startENTRY-->L-1: Formula: (and (= |v_#NULL.offset_1| 0) (= |v_#NULL.base_1| 0) (= |v_#valid_1| (store |v_#valid_2| 0 0))) InVars {#valid=|v_#valid_2|} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] 10#L-1true [73] L-1-->L6-3: Formula: (and (< |v_ULTIMATE.start_main_#t~malloc0.base_1| 0) (= 0 |v_ULTIMATE.start_main_#t~malloc0.offset_1|) (= (select |v_#valid_4| |v_ULTIMATE.start_main_#t~malloc0.base_1|) 0) (= v_ULTIMATE.start_main_~x~0.offset_1 |v_ULTIMATE.start_main_#t~malloc0.offset_1|) (= (store |v_#length_2| |v_ULTIMATE.start_main_#t~malloc0.base_1| 4) |v_#length_1|) (= v_ULTIMATE.start_main_~x~0.base_1 |v_ULTIMATE.start_main_#t~malloc0.base_1|) (< |v_ULTIMATE.start_main_#t~malloc0.base_1| |v_#StackHeapBarrier_1|) (= |v_#valid_3| (store |v_#valid_4| |v_ULTIMATE.start_main_#t~malloc0.base_1| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_4|} OutVars{ULTIMATE.start_main_#t~malloc0.base=|v_ULTIMATE.start_main_#t~malloc0.base_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, #valid=|v_#valid_3|, ULTIMATE.start_main_~x~0.offset=v_ULTIMATE.start_main_~x~0.offset_1, ULTIMATE.start_main_#t~mem2=|v_ULTIMATE.start_main_#t~mem2_1|, ULTIMATE.start_main_#t~mem1=|v_ULTIMATE.start_main_#t~mem1_1|, #length=|v_#length_1|, ULTIMATE.start_main_#t~malloc0.offset=|v_ULTIMATE.start_main_#t~malloc0.offset_1|, ULTIMATE.start_main_~x~0.base=v_ULTIMATE.start_main_~x~0.base_1, ULTIMATE.start_main_#t~mem3=|v_ULTIMATE.start_main_#t~mem3_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~malloc0.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~x~0.offset, ULTIMATE.start_main_#t~mem2, ULTIMATE.start_main_#t~mem1, #length, ULTIMATE.start_main_#t~malloc0.offset, ULTIMATE.start_main_~x~0.base, ULTIMATE.start_main_#t~mem3] 16#L6-3true 12.29/6.00 [2019-03-28 12:39:48,012 INFO L796 eck$LassoCheckResult]: Loop: 16#L6-3true [94] L6-3-->L6: Formula: (and (<= (+ v_ULTIMATE.start_main_~x~0.offset_13 4) (select |v_#length_12| v_ULTIMATE.start_main_~x~0.base_17)) (<= (select (select |v_#memory_int_8| v_ULTIMATE.start_main_~x~0.base_17) v_ULTIMATE.start_main_~x~0.offset_13) 10) (= (select |v_#valid_22| v_ULTIMATE.start_main_~x~0.base_17) 1) (<= 0 v_ULTIMATE.start_main_~x~0.offset_13)) InVars {#valid=|v_#valid_22|, ULTIMATE.start_main_~x~0.offset=v_ULTIMATE.start_main_~x~0.offset_13, #memory_int=|v_#memory_int_8|, #length=|v_#length_12|, ULTIMATE.start_main_~x~0.base=v_ULTIMATE.start_main_~x~0.base_17} OutVars{#valid=|v_#valid_22|, ULTIMATE.start_main_~x~0.offset=v_ULTIMATE.start_main_~x~0.offset_13, #memory_int=|v_#memory_int_8|, ULTIMATE.start_main_#t~mem1=|v_ULTIMATE.start_main_#t~mem1_13|, #length=|v_#length_12|, ULTIMATE.start_main_~x~0.base=v_ULTIMATE.start_main_~x~0.base_17} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem1] 6#L6true [41] L6-->L6-1: Formula: (and (<= (+ v_ULTIMATE.start_main_~x~0.offset_6 4) (select |v_#length_5| v_ULTIMATE.start_main_~x~0.base_7)) (= (select (select |v_#memory_int_2| v_ULTIMATE.start_main_~x~0.base_7) v_ULTIMATE.start_main_~x~0.offset_6) |v_ULTIMATE.start_main_#t~mem2_2|) (= (select |v_#valid_9| v_ULTIMATE.start_main_~x~0.base_7) 1) (<= 0 v_ULTIMATE.start_main_~x~0.offset_6)) InVars {ULTIMATE.start_main_~x~0.offset=v_ULTIMATE.start_main_~x~0.offset_6, #memory_int=|v_#memory_int_2|, #length=|v_#length_5|, ULTIMATE.start_main_~x~0.base=v_ULTIMATE.start_main_~x~0.base_7, #valid=|v_#valid_9|} OutVars{#valid=|v_#valid_9|, ULTIMATE.start_main_#t~mem2=|v_ULTIMATE.start_main_#t~mem2_2|, ULTIMATE.start_main_~x~0.offset=v_ULTIMATE.start_main_~x~0.offset_6, #memory_int=|v_#memory_int_2|, #length=|v_#length_5|, ULTIMATE.start_main_~x~0.base=v_ULTIMATE.start_main_~x~0.base_7} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem2] 4#L6-1true [67] L6-1-->L6-3: Formula: (>= 6 |v_ULTIMATE.start_main_#t~mem2_6|) InVars {ULTIMATE.start_main_#t~mem2=|v_ULTIMATE.start_main_#t~mem2_6|} OutVars{ULTIMATE.start_main_#t~mem2=|v_ULTIMATE.start_main_#t~mem2_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem2] 16#L6-3true 12.29/6.00 [2019-03-28 12:39:48,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.29/6.00 [2019-03-28 12:39:48,013 INFO L82 PathProgramCache]: Analyzing trace with hash 2615, now seen corresponding path program 1 times 12.29/6.00 [2019-03-28 12:39:48,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.29/6.00 [2019-03-28 12:39:48,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.29/6.00 [2019-03-28 12:39:48,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.29/6.00 [2019-03-28 12:39:48,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.29/6.00 [2019-03-28 12:39:48,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.29/6.00 [2019-03-28 12:39:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.29/6.00 [2019-03-28 12:39:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.29/6.00 [2019-03-28 12:39:48,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.29/6.00 [2019-03-28 12:39:48,045 INFO L82 PathProgramCache]: Analyzing trace with hash 121463, now seen corresponding path program 1 times 12.29/6.00 [2019-03-28 12:39:48,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.29/6.00 [2019-03-28 12:39:48,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.29/6.00 [2019-03-28 12:39:48,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.29/6.00 [2019-03-28 12:39:48,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.29/6.00 [2019-03-28 12:39:48,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.29/6.00 [2019-03-28 12:39:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.29/6.00 [2019-03-28 12:39:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.29/6.00 [2019-03-28 12:39:48,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.29/6.00 [2019-03-28 12:39:48,059 INFO L82 PathProgramCache]: Analyzing trace with hash 77995137, now seen corresponding path program 1 times 12.29/6.00 [2019-03-28 12:39:48,059 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.29/6.00 [2019-03-28 12:39:48,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.29/6.00 [2019-03-28 12:39:48,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.29/6.00 [2019-03-28 12:39:48,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.29/6.00 [2019-03-28 12:39:48,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.29/6.00 [2019-03-28 12:39:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.29/6.00 [2019-03-28 12:39:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.29/6.00 [2019-03-28 12:39:48,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:39:48 BasicIcfg 12.29/6.00 [2019-03-28 12:39:48,231 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.29/6.00 [2019-03-28 12:39:48,231 INFO L168 Benchmark]: Toolchain (without parser) took 1503.60 ms. Allocated memory was 649.6 MB in the beginning and 671.1 MB in the end (delta: 21.5 MB). Free memory was 564.8 MB in the beginning and 541.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 45.3 MB. Max. memory is 50.3 GB. 12.29/6.00 [2019-03-28 12:39:48,233 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.29/6.00 [2019-03-28 12:39:48,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.33 ms. Allocated memory was 649.6 MB in the beginning and 671.1 MB in the end (delta: 21.5 MB). Free memory was 564.8 MB in the beginning and 637.8 MB in the end (delta: -72.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 12.29/6.00 [2019-03-28 12:39:48,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.12 ms. Allocated memory is still 671.1 MB. Free memory was 637.8 MB in the beginning and 633.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 12.29/6.00 [2019-03-28 12:39:48,235 INFO L168 Benchmark]: Boogie Preprocessor took 21.83 ms. Allocated memory is still 671.1 MB. Free memory was 633.9 MB in the beginning and 632.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 12.29/6.00 [2019-03-28 12:39:48,236 INFO L168 Benchmark]: RCFGBuilder took 234.44 ms. Allocated memory is still 671.1 MB. Free memory was 632.8 MB in the beginning and 614.7 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 50.3 GB. 12.29/6.00 [2019-03-28 12:39:48,236 INFO L168 Benchmark]: BlockEncodingV2 took 100.86 ms. Allocated memory is still 671.1 MB. Free memory was 614.7 MB in the beginning and 607.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 50.3 GB. 12.29/6.00 [2019-03-28 12:39:48,237 INFO L168 Benchmark]: TraceAbstraction took 539.96 ms. Allocated memory is still 671.1 MB. Free memory was 607.1 MB in the beginning and 566.0 MB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 50.3 GB. 12.29/6.00 [2019-03-28 12:39:48,238 INFO L168 Benchmark]: BuchiAutomizer took 269.78 ms. Allocated memory is still 671.1 MB. Free memory was 566.0 MB in the beginning and 541.0 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 50.3 GB. 12.29/6.00 [2019-03-28 12:39:48,243 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.29/6.00 --- Results --- 12.29/6.00 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.29/6.00 - StatisticsResult: Initial Icfg 12.29/6.00 21 locations, 23 edges 12.29/6.00 - StatisticsResult: Encoded RCFG 12.29/6.00 15 locations, 25 edges 12.29/6.00 * Results from de.uni_freiburg.informatik.ultimate.core: 12.29/6.00 - StatisticsResult: Toolchain Benchmarks 12.29/6.00 Benchmark results are: 12.29/6.00 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.29/6.00 * CACSL2BoogieTranslator took 292.33 ms. Allocated memory was 649.6 MB in the beginning and 671.1 MB in the end (delta: 21.5 MB). Free memory was 564.8 MB in the beginning and 637.8 MB in the end (delta: -72.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 12.29/6.00 * Boogie Procedure Inliner took 38.12 ms. Allocated memory is still 671.1 MB. Free memory was 637.8 MB in the beginning and 633.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 12.29/6.00 * Boogie Preprocessor took 21.83 ms. Allocated memory is still 671.1 MB. Free memory was 633.9 MB in the beginning and 632.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 12.29/6.00 * RCFGBuilder took 234.44 ms. Allocated memory is still 671.1 MB. Free memory was 632.8 MB in the beginning and 614.7 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 50.3 GB. 12.29/6.00 * BlockEncodingV2 took 100.86 ms. Allocated memory is still 671.1 MB. Free memory was 614.7 MB in the beginning and 607.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 50.3 GB. 12.29/6.00 * TraceAbstraction took 539.96 ms. Allocated memory is still 671.1 MB. Free memory was 607.1 MB in the beginning and 566.0 MB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 50.3 GB. 12.29/6.00 * BuchiAutomizer took 269.78 ms. Allocated memory is still 671.1 MB. Free memory was 566.0 MB in the beginning and 541.0 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 50.3 GB. 12.29/6.00 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: 12.29/6.00 - GenericResult: Unfinished Backtranslation 12.29/6.00 unknown boogie variable #length 12.29/6.00 - GenericResult: Unfinished Backtranslation 12.29/6.00 unknown boogie variable #length 12.29/6.00 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.29/6.00 - PositiveResult [Line: 7]: pointer dereference always succeeds 12.29/6.00 For all program executions holds that pointer dereference always succeeds at this location 12.29/6.00 - PositiveResult [Line: 5]: pointer dereference always succeeds 12.29/6.00 For all program executions holds that pointer dereference always succeeds at this location 12.29/6.00 - PositiveResult [Line: 7]: pointer dereference always succeeds 12.29/6.00 For all program executions holds that pointer dereference always succeeds at this location 12.29/6.00 - PositiveResult [Line: 5]: pointer dereference always succeeds 12.29/6.00 For all program executions holds that pointer dereference always succeeds at this location 12.29/6.00 - PositiveResult [Line: 7]: pointer dereference always succeeds 12.29/6.00 For all program executions holds that pointer dereference always succeeds at this location 12.29/6.00 - PositiveResult [Line: 6]: pointer dereference always succeeds 12.29/6.00 For all program executions holds that pointer dereference always succeeds at this location 12.29/6.00 - PositiveResult [Line: 6]: pointer dereference always succeeds 12.29/6.00 For all program executions holds that pointer dereference always succeeds at this location 12.29/6.00 - PositiveResult [Line: 7]: pointer dereference always succeeds 12.29/6.00 For all program executions holds that pointer dereference always succeeds at this location 12.29/6.00 - AllSpecificationsHoldResult: All specifications hold 12.29/6.00 8 specifications checked. All of them hold 12.29/6.00 - InvariantResult [Line: 5]: Loop Invariant 12.29/6.00 [2019-03-28 12:39:48,252 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 12.29/6.00 [2019-03-28 12:39:48,253 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 12.29/6.00 Derived loop invariant: (\valid[x] == 1 && x == 0) && 4 == unknown-#length-unknown[x] 12.29/6.00 - StatisticsResult: Ultimate Automizer benchmark data 12.29/6.00 CFG has 1 procedures, 15 locations, 8 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 20 SDslu, 1 SDs, 0 SdLazy, 23 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=15occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 14 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 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 12.29/6.00 - StatisticsResult: Constructed decomposition of program 12.29/6.00 Trivial decomposition into one nonterminating module. 12.29/6.00 - StatisticsResult: Timing statistics 12.29/6.00 BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. 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: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 12.29/6.00 - TerminationAnalysisResult: Nontermination possible 12.29/6.00 Buchi Automizer proved that your program is nonterminating for some inputs 12.29/6.00 - FixpointNonTerminationResult [Line: 5]: Nontermination argument in form of an infinite program execution. 12.29/6.00 Nontermination argument in form of an infinite execution 12.29/6.00 State at position 0 is 12.29/6.00 {NULL=0} 12.29/6.00 State at position 1 is 12.29/6.00 {org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@101c738c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@e7f7dfc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@1a01541f=0, NULL=0, NULL=0, x=-1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b32c75=-1, x=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b32c75=0} 12.29/6.00 - StatisticsResult: NonterminationArgumentStatistics 12.29/6.00 Fixpoint 12.29/6.00 - NonterminatingLassoResult [Line: 5]: Nonterminating execution 12.29/6.00 Found a nonterminating execution for the following lasso shaped sequence of statements. 12.29/6.00 Stem: 12.29/6.00 [L4] int* x = alloca(sizeof(int)); 12.29/6.00 Loop: 12.29/6.00 [L5] EXPR \read(*x) 12.29/6.00 [L5] COND TRUE *x <= 10 12.29/6.00 [L6] EXPR \read(*x) 12.29/6.00 [L6] COND FALSE !(*x > 6) 12.29/6.00 End of lasso representation. 12.29/6.00 RESULT: Ultimate proved your program to be incorrect! 12.29/6.00 !SESSION 2019-03-28 12:39:43.500 ----------------------------------------------- 12.29/6.00 eclipse.buildId=unknown 12.29/6.00 java.version=1.8.0_181 12.29/6.00 java.vendor=Oracle Corporation 12.29/6.00 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.29/6.00 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.29/6.00 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 12.29/6.00 12.29/6.00 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:39:48.494 12.29/6.00 !MESSAGE The workspace will exit with unsaved changes in this session. 12.29/6.00 Received shutdown request... 12.29/6.00 Ultimate: 12.29/6.00 GTK+ Version Check 12.29/6.00 EOF