11.52/5.74 NO 11.52/5.74 11.52/5.74 Ultimate: Cannot open display: 11.52/5.74 This is Ultimate 0.1.24-8dc7c08-m 11.52/5.74 [2019-03-28 22:56:44,787 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.52/5.74 [2019-03-28 22:56:44,789 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.52/5.74 [2019-03-28 22:56:44,800 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.52/5.74 [2019-03-28 22:56:44,801 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.52/5.74 [2019-03-28 22:56:44,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.52/5.74 [2019-03-28 22:56:44,804 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.52/5.74 [2019-03-28 22:56:44,805 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.52/5.74 [2019-03-28 22:56:44,807 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.52/5.74 [2019-03-28 22:56:44,808 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.52/5.74 [2019-03-28 22:56:44,809 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.52/5.74 [2019-03-28 22:56:44,809 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.52/5.74 [2019-03-28 22:56:44,810 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.52/5.74 [2019-03-28 22:56:44,811 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.52/5.74 [2019-03-28 22:56:44,812 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.52/5.74 [2019-03-28 22:56:44,812 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.52/5.74 [2019-03-28 22:56:44,813 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.52/5.74 [2019-03-28 22:56:44,815 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.52/5.74 [2019-03-28 22:56:44,817 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.52/5.74 [2019-03-28 22:56:44,818 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.52/5.74 [2019-03-28 22:56:44,819 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.52/5.74 [2019-03-28 22:56:44,820 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.52/5.74 [2019-03-28 22:56:44,822 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.52/5.74 [2019-03-28 22:56:44,823 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.52/5.74 [2019-03-28 22:56:44,823 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.52/5.74 [2019-03-28 22:56:44,824 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.52/5.74 [2019-03-28 22:56:44,824 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.52/5.74 [2019-03-28 22:56:44,825 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.52/5.74 [2019-03-28 22:56:44,825 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.52/5.74 [2019-03-28 22:56:44,826 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.52/5.74 [2019-03-28 22:56:44,827 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.52/5.74 [2019-03-28 22:56:44,827 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.52/5.74 [2019-03-28 22:56:44,828 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.52/5.74 [2019-03-28 22:56:44,829 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.52/5.74 [2019-03-28 22:56:44,829 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.52/5.74 [2019-03-28 22:56:44,829 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.52/5.74 [2019-03-28 22:56:44,830 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.52/5.74 [2019-03-28 22:56:44,831 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.52/5.74 [2019-03-28 22:56:44,831 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.52/5.74 [2019-03-28 22:56:44,832 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.52/5.74 [2019-03-28 22:56:44,846 INFO L110 SettingsManager]: Loading preferences was successful 11.52/5.74 [2019-03-28 22:56:44,847 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.52/5.74 [2019-03-28 22:56:44,848 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.52/5.74 [2019-03-28 22:56:44,848 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.52/5.74 [2019-03-28 22:56:44,848 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.52/5.74 [2019-03-28 22:56:44,848 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.52/5.74 [2019-03-28 22:56:44,848 INFO L133 SettingsManager]: * Use SBE=true 11.52/5.74 [2019-03-28 22:56:44,849 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.52/5.74 [2019-03-28 22:56:44,849 INFO L133 SettingsManager]: * Use old map elimination=false 11.52/5.74 [2019-03-28 22:56:44,849 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.52/5.74 [2019-03-28 22:56:44,849 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.52/5.74 [2019-03-28 22:56:44,849 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.52/5.74 [2019-03-28 22:56:44,849 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.52/5.74 [2019-03-28 22:56:44,850 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.52/5.74 [2019-03-28 22:56:44,850 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.52/5.74 [2019-03-28 22:56:44,850 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.52/5.74 [2019-03-28 22:56:44,850 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.52/5.74 [2019-03-28 22:56:44,850 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.52/5.74 [2019-03-28 22:56:44,850 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.52/5.74 [2019-03-28 22:56:44,851 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.52/5.74 [2019-03-28 22:56:44,851 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.52/5.74 [2019-03-28 22:56:44,851 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.52/5.74 [2019-03-28 22:56:44,851 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.52/5.74 [2019-03-28 22:56:44,851 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.52/5.74 [2019-03-28 22:56:44,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.52/5.74 [2019-03-28 22:56:44,852 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.52/5.74 [2019-03-28 22:56:44,852 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.52/5.74 [2019-03-28 22:56:44,852 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.52/5.74 [2019-03-28 22:56:44,852 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.52/5.74 [2019-03-28 22:56:44,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.52/5.74 [2019-03-28 22:56:44,890 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.52/5.74 [2019-03-28 22:56:44,894 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.52/5.74 [2019-03-28 22:56:44,895 INFO L271 PluginConnector]: Initializing CDTParser... 11.52/5.74 [2019-03-28 22:56:44,896 INFO L276 PluginConnector]: CDTParser initialized 11.52/5.74 [2019-03-28 22:56:44,896 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.52/5.74 [2019-03-28 22:56:44,997 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/2bfb975ba56b40fc93d5de469e37b92a/FLAGd695c41e7 11.52/5.74 [2019-03-28 22:56:45,329 INFO L307 CDTParser]: Found 1 translation units. 11.52/5.74 [2019-03-28 22:56:45,329 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.52/5.74 [2019-03-28 22:56:45,336 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/2bfb975ba56b40fc93d5de469e37b92a/FLAGd695c41e7 11.52/5.74 [2019-03-28 22:56:45,739 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/2bfb975ba56b40fc93d5de469e37b92a 11.52/5.74 [2019-03-28 22:56:45,751 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.52/5.74 [2019-03-28 22:56:45,752 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.52/5.74 [2019-03-28 22:56:45,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.52/5.74 [2019-03-28 22:56:45,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.52/5.74 [2019-03-28 22:56:45,757 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.52/5.74 [2019-03-28 22:56:45,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:56:45" (1/1) ... 11.52/5.74 [2019-03-28 22:56:45,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c76b4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45, skipping insertion in model container 11.52/5.74 [2019-03-28 22:56:45,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:56:45" (1/1) ... 11.52/5.74 [2019-03-28 22:56:45,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.52/5.74 [2019-03-28 22:56:45,787 INFO L176 MainTranslator]: Built tables and reachable declarations 11.52/5.74 [2019-03-28 22:56:45,942 INFO L206 PostProcessor]: Analyzing one entry point: main 11.52/5.74 [2019-03-28 22:56:45,948 INFO L191 MainTranslator]: Completed pre-run 11.52/5.74 [2019-03-28 22:56:45,964 INFO L206 PostProcessor]: Analyzing one entry point: main 11.52/5.74 [2019-03-28 22:56:45,979 INFO L195 MainTranslator]: Completed translation 11.52/5.74 [2019-03-28 22:56:45,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45 WrapperNode 11.52/5.74 [2019-03-28 22:56:45,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.52/5.74 [2019-03-28 22:56:45,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.52/5.74 [2019-03-28 22:56:45,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.52/5.74 [2019-03-28 22:56:45,981 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.52/5.74 [2019-03-28 22:56:46,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45" (1/1) ... 11.52/5.74 [2019-03-28 22:56:46,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45" (1/1) ... 11.52/5.74 [2019-03-28 22:56:46,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.52/5.74 [2019-03-28 22:56:46,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.52/5.74 [2019-03-28 22:56:46,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.52/5.74 [2019-03-28 22:56:46,074 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.52/5.74 [2019-03-28 22:56:46,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45" (1/1) ... 11.52/5.74 [2019-03-28 22:56:46,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45" (1/1) ... 11.52/5.74 [2019-03-28 22:56:46,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45" (1/1) ... 11.52/5.74 [2019-03-28 22:56:46,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45" (1/1) ... 11.52/5.74 [2019-03-28 22:56:46,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45" (1/1) ... 11.52/5.74 [2019-03-28 22:56:46,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45" (1/1) ... 11.52/5.74 [2019-03-28 22:56:46,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45" (1/1) ... 11.52/5.74 [2019-03-28 22:56:46,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.52/5.74 [2019-03-28 22:56:46,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.52/5.74 [2019-03-28 22:56:46,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.52/5.74 [2019-03-28 22:56:46,095 INFO L276 PluginConnector]: RCFGBuilder initialized 11.52/5.74 [2019-03-28 22:56:46,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45" (1/1) ... 11.52/5.74 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.52/5.74 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.52/5.74 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.52/5.74 [2019-03-28 22:56:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.52/5.74 [2019-03-28 22:56:46,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.52/5.74 [2019-03-28 22:56:46,293 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.52/5.74 [2019-03-28 22:56:46,293 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 11.52/5.74 [2019-03-28 22:56:46,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:56:46 BoogieIcfgContainer 11.52/5.74 [2019-03-28 22:56:46,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.52/5.74 [2019-03-28 22:56:46,295 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.52/5.74 [2019-03-28 22:56:46,295 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.52/5.74 [2019-03-28 22:56:46,297 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.52/5.74 [2019-03-28 22:56:46,298 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:56:46" (1/1) ... 11.52/5.74 [2019-03-28 22:56:46,313 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 11.52/5.74 [2019-03-28 22:56:46,314 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.52/5.74 [2019-03-28 22:56:46,315 INFO L263 BlockEncoder]: Using Maximize final states 11.52/5.74 [2019-03-28 22:56:46,316 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.52/5.74 [2019-03-28 22:56:46,316 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.52/5.74 [2019-03-28 22:56:46,318 INFO L296 BlockEncoder]: Using Remove sink states 11.52/5.74 [2019-03-28 22:56:46,319 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.52/5.74 [2019-03-28 22:56:46,319 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.52/5.74 [2019-03-28 22:56:46,333 INFO L185 BlockEncoder]: Using Use SBE 11.52/5.74 [2019-03-28 22:56:46,341 INFO L200 BlockEncoder]: SBE split 0 edges 11.52/5.74 [2019-03-28 22:56:46,346 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 11.52/5.74 [2019-03-28 22:56:46,348 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.52/5.74 [2019-03-28 22:56:46,362 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 11.52/5.74 [2019-03-28 22:56:46,365 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 11.52/5.74 [2019-03-28 22:56:46,367 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.52/5.74 [2019-03-28 22:56:46,367 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.52/5.74 [2019-03-28 22:56:46,367 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.52/5.74 [2019-03-28 22:56:46,367 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.52/5.74 [2019-03-28 22:56:46,368 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 11.52/5.74 [2019-03-28 22:56:46,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:56:46 BasicIcfg 11.52/5.74 [2019-03-28 22:56:46,368 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.52/5.74 [2019-03-28 22:56:46,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.52/5.74 [2019-03-28 22:56:46,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.52/5.74 [2019-03-28 22:56:46,373 INFO L276 PluginConnector]: TraceAbstraction initialized 11.52/5.74 [2019-03-28 22:56:46,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:56:45" (1/4) ... 11.52/5.74 [2019-03-28 22:56:46,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12faa488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:56:46, skipping insertion in model container 11.52/5.74 [2019-03-28 22:56:46,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45" (2/4) ... 11.52/5.74 [2019-03-28 22:56:46,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12faa488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:56:46, skipping insertion in model container 11.52/5.74 [2019-03-28 22:56:46,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:56:46" (3/4) ... 11.52/5.74 [2019-03-28 22:56:46,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12faa488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:56:46, skipping insertion in model container 11.52/5.74 [2019-03-28 22:56:46,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:56:46" (4/4) ... 11.52/5.74 [2019-03-28 22:56:46,377 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.52/5.74 [2019-03-28 22:56:46,386 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.52/5.74 [2019-03-28 22:56:46,394 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.52/5.74 [2019-03-28 22:56:46,412 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.52/5.74 [2019-03-28 22:56:46,440 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.52/5.74 [2019-03-28 22:56:46,441 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.52/5.74 [2019-03-28 22:56:46,441 INFO L383 AbstractCegarLoop]: Hoare is true 11.52/5.74 [2019-03-28 22:56:46,441 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.52/5.74 [2019-03-28 22:56:46,441 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.52/5.74 [2019-03-28 22:56:46,442 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.52/5.74 [2019-03-28 22:56:46,442 INFO L387 AbstractCegarLoop]: Difference is false 11.52/5.74 [2019-03-28 22:56:46,442 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.52/5.74 [2019-03-28 22:56:46,442 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.52/5.74 [2019-03-28 22:56:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 11.52/5.74 [2019-03-28 22:56:46,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.52/5.74 [2019-03-28 22:56:46,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 11.52/5.74 [2019-03-28 22:56:46,516 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.52/5.74 [2019-03-28 22:56:46,516 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 14) the Hoare annotation is: true 11.52/5.74 [2019-03-28 22:56:46,517 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 16) the Hoare annotation is: true 11.52/5.74 [2019-03-28 22:56:46,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:56:46 BasicIcfg 11.52/5.74 [2019-03-28 22:56:46,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.52/5.74 [2019-03-28 22:56:46,526 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.52/5.74 [2019-03-28 22:56:46,526 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.52/5.74 [2019-03-28 22:56:46,529 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.52/5.74 [2019-03-28 22:56:46,530 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.52/5.74 [2019-03-28 22:56:46,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:56:45" (1/5) ... 11.52/5.74 [2019-03-28 22:56:46,531 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@328d37b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:56:46, skipping insertion in model container 11.52/5.74 [2019-03-28 22:56:46,531 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.52/5.74 [2019-03-28 22:56:46,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:56:45" (2/5) ... 11.52/5.74 [2019-03-28 22:56:46,532 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@328d37b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:56:46, skipping insertion in model container 11.52/5.74 [2019-03-28 22:56:46,532 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.52/5.74 [2019-03-28 22:56:46,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:56:46" (3/5) ... 11.52/5.74 [2019-03-28 22:56:46,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@328d37b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:56:46, skipping insertion in model container 11.52/5.74 [2019-03-28 22:56:46,533 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.52/5.74 [2019-03-28 22:56:46,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:56:46" (4/5) ... 11.52/5.74 [2019-03-28 22:56:46,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@328d37b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:56:46, skipping insertion in model container 11.52/5.74 [2019-03-28 22:56:46,533 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.52/5.74 [2019-03-28 22:56:46,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:56:46" (5/5) ... 11.52/5.74 [2019-03-28 22:56:46,535 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.52/5.74 [2019-03-28 22:56:46,564 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.52/5.74 [2019-03-28 22:56:46,564 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.52/5.74 [2019-03-28 22:56:46,564 INFO L375 BuchiCegarLoop]: Hoare is true 11.52/5.74 [2019-03-28 22:56:46,564 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.52/5.74 [2019-03-28 22:56:46,564 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.52/5.74 [2019-03-28 22:56:46,564 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.52/5.74 [2019-03-28 22:56:46,565 INFO L379 BuchiCegarLoop]: Difference is false 11.52/5.74 [2019-03-28 22:56:46,565 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.52/5.74 [2019-03-28 22:56:46,565 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.52/5.74 [2019-03-28 22:56:46,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.52/5.74 [2019-03-28 22:56:46,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 11.52/5.74 [2019-03-28 22:56:46,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.52/5.74 [2019-03-28 22:56:46,586 INFO L119 BuchiIsEmpty]: Starting construction of run 11.52/5.74 [2019-03-28 22:56:46,591 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.52/5.74 [2019-03-28 22:56:46,591 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 11.52/5.74 [2019-03-28 22:56:46,591 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.52/5.74 [2019-03-28 22:56:46,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.52/5.74 [2019-03-28 22:56:46,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 11.52/5.74 [2019-03-28 22:56:46,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.52/5.74 [2019-03-28 22:56:46,592 INFO L119 BuchiIsEmpty]: Starting construction of run 11.52/5.74 [2019-03-28 22:56:46,592 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.52/5.74 [2019-03-28 22:56:46,592 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 11.52/5.74 [2019-03-28 22:56:46,597 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L10-2true 11.52/5.74 [2019-03-28 22:56:46,598 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [39] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 100) (= v_ULTIMATE.start_main_~j~0_7 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 3#L12-2true [45] L12-2-->L10-2: Formula: (and (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11) (<= 1 v_ULTIMATE.start_main_~j~0_8)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true 11.52/5.74 [2019-03-28 22:56:46,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.52/5.74 [2019-03-28 22:56:46,605 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 11.52/5.74 [2019-03-28 22:56:46,608 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.52/5.74 [2019-03-28 22:56:46,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.52/5.74 [2019-03-28 22:56:46,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.52/5.74 [2019-03-28 22:56:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.52/5.74 [2019-03-28 22:56:46,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.52/5.74 [2019-03-28 22:56:46,680 INFO L82 PathProgramCache]: Analyzing trace with hash 2215, now seen corresponding path program 1 times 11.52/5.74 [2019-03-28 22:56:46,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.52/5.74 [2019-03-28 22:56:46,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.52/5.74 [2019-03-28 22:56:46,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 11.52/5.74 [2019-03-28 22:56:46,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 11.52/5.74 [2019-03-28 22:56:46,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 11.52/5.74 [2019-03-28 22:56:46,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 11.52/5.74 [2019-03-28 22:56:46,737 INFO L811 eck$LassoCheckResult]: loop already infeasible 11.52/5.74 [2019-03-28 22:56:46,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 11.52/5.74 [2019-03-28 22:56:46,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 11.52/5.74 [2019-03-28 22:56:46,754 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. 11.52/5.74 [2019-03-28 22:56:46,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 11.52/5.74 [2019-03-28 22:56:46,769 INFO L93 Difference]: Finished difference Result 3 states and 3 transitions. 11.52/5.74 [2019-03-28 22:56:46,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 11.52/5.74 [2019-03-28 22:56:46,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 11.52/5.74 [2019-03-28 22:56:46,774 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.52/5.74 [2019-03-28 22:56:46,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 3 states and 3 transitions. 11.52/5.74 [2019-03-28 22:56:46,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 11.52/5.74 [2019-03-28 22:56:46,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 11.52/5.74 [2019-03-28 22:56:46,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. 11.52/5.74 [2019-03-28 22:56:46,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 11.52/5.74 [2019-03-28 22:56:46,780 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 11.52/5.74 [2019-03-28 22:56:46,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. 11.52/5.74 [2019-03-28 22:56:46,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. 11.52/5.74 [2019-03-28 22:56:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 11.52/5.74 [2019-03-28 22:56:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. 11.52/5.74 [2019-03-28 22:56:46,809 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 11.52/5.74 [2019-03-28 22:56:46,809 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 11.52/5.74 [2019-03-28 22:56:46,809 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 11.52/5.74 [2019-03-28 22:56:46,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. 11.52/5.74 [2019-03-28 22:56:46,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.52/5.74 [2019-03-28 22:56:46,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.52/5.74 [2019-03-28 22:56:46,810 INFO L119 BuchiIsEmpty]: Starting construction of run 11.52/5.74 [2019-03-28 22:56:46,810 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 11.52/5.74 [2019-03-28 22:56:46,811 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.52/5.74 [2019-03-28 22:56:46,811 INFO L794 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 17#L10-2 [39] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 100) (= v_ULTIMATE.start_main_~j~0_7 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 15#L12-2 11.52/5.74 [2019-03-28 22:56:46,811 INFO L796 eck$LassoCheckResult]: Loop: 15#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_5 v_ULTIMATE.start_main_~j~0_6) (< v_ULTIMATE.start_main_~j~0_6 1)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 15#L12-2 11.52/5.74 [2019-03-28 22:56:46,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.52/5.74 [2019-03-28 22:56:46,812 INFO L82 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 1 times 11.52/5.74 [2019-03-28 22:56:46,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.52/5.74 [2019-03-28 22:56:46,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.52/5.74 [2019-03-28 22:56:46,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.52/5.74 [2019-03-28 22:56:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.52/5.74 [2019-03-28 22:56:46,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.52/5.74 [2019-03-28 22:56:46,820 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times 11.52/5.74 [2019-03-28 22:56:46,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.52/5.74 [2019-03-28 22:56:46,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.52/5.74 [2019-03-28 22:56:46,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.52/5.74 [2019-03-28 22:56:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.52/5.74 [2019-03-28 22:56:46,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.52/5.74 [2019-03-28 22:56:46,827 INFO L82 PathProgramCache]: Analyzing trace with hash 63707, now seen corresponding path program 1 times 11.52/5.74 [2019-03-28 22:56:46,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.52/5.74 [2019-03-28 22:56:46,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.52/5.74 [2019-03-28 22:56:46,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.52/5.74 [2019-03-28 22:56:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.52/5.74 [2019-03-28 22:56:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.52/5.74 [2019-03-28 22:56:46,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:56:46 BasicIcfg 11.52/5.74 [2019-03-28 22:56:46,910 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.52/5.74 [2019-03-28 22:56:46,910 INFO L168 Benchmark]: Toolchain (without parser) took 1158.76 ms. Allocated memory is still 649.6 MB. Free memory was 559.1 MB in the beginning and 554.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 11.52/5.74 [2019-03-28 22:56:46,912 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.52/5.74 [2019-03-28 22:56:46,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.18 ms. Allocated memory is still 649.6 MB. Free memory was 559.1 MB in the beginning and 549.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 11.52/5.74 [2019-03-28 22:56:46,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.76 ms. Allocated memory is still 649.6 MB. Free memory was 549.4 MB in the beginning and 617.6 MB in the end (delta: -68.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 50.3 GB. 11.52/5.74 [2019-03-28 22:56:46,914 INFO L168 Benchmark]: Boogie Preprocessor took 20.71 ms. Allocated memory is still 649.6 MB. Free memory was 617.6 MB in the beginning and 613.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 11.52/5.74 [2019-03-28 22:56:46,915 INFO L168 Benchmark]: RCFGBuilder took 199.46 ms. Allocated memory is still 649.6 MB. Free memory was 613.7 MB in the beginning and 601.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 11.52/5.74 [2019-03-28 22:56:46,915 INFO L168 Benchmark]: BlockEncodingV2 took 73.53 ms. Allocated memory is still 649.6 MB. Free memory was 601.3 MB in the beginning and 594.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 11.52/5.74 [2019-03-28 22:56:46,916 INFO L168 Benchmark]: TraceAbstraction took 155.96 ms. Allocated memory is still 649.6 MB. Free memory was 594.8 MB in the beginning and 586.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 11.52/5.74 [2019-03-28 22:56:46,916 INFO L168 Benchmark]: BuchiAutomizer took 383.89 ms. Allocated memory is still 649.6 MB. Free memory was 586.2 MB in the beginning and 554.8 MB in the end (delta: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 50.3 GB. 11.52/5.74 [2019-03-28 22:56:46,921 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.52/5.74 --- Results --- 11.52/5.74 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.52/5.74 - StatisticsResult: Initial Icfg 11.52/5.74 8 locations, 11 edges 11.52/5.74 - StatisticsResult: Encoded RCFG 11.52/5.74 3 locations, 4 edges 11.52/5.74 * Results from de.uni_freiburg.informatik.ultimate.core: 11.52/5.74 - StatisticsResult: Toolchain Benchmarks 11.52/5.74 Benchmark results are: 11.52/5.74 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.52/5.74 * CACSL2BoogieTranslator took 227.18 ms. Allocated memory is still 649.6 MB. Free memory was 559.1 MB in the beginning and 549.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 11.52/5.74 * Boogie Procedure Inliner took 92.76 ms. Allocated memory is still 649.6 MB. Free memory was 549.4 MB in the beginning and 617.6 MB in the end (delta: -68.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 50.3 GB. 11.52/5.74 * Boogie Preprocessor took 20.71 ms. Allocated memory is still 649.6 MB. Free memory was 617.6 MB in the beginning and 613.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 11.52/5.74 * RCFGBuilder took 199.46 ms. Allocated memory is still 649.6 MB. Free memory was 613.7 MB in the beginning and 601.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 11.52/5.74 * BlockEncodingV2 took 73.53 ms. Allocated memory is still 649.6 MB. Free memory was 601.3 MB in the beginning and 594.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 11.52/5.74 * TraceAbstraction took 155.96 ms. Allocated memory is still 649.6 MB. Free memory was 594.8 MB in the beginning and 586.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 11.52/5.74 * BuchiAutomizer took 383.89 ms. Allocated memory is still 649.6 MB. Free memory was 586.2 MB in the beginning and 554.8 MB in the end (delta: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 50.3 GB. 11.52/5.74 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.52/5.74 - AllSpecificationsHoldResult: All specifications hold 11.52/5.74 We were not able to verify any specifiation because the program does not contain any specification. 11.52/5.74 - InvariantResult [Line: 12]: Loop Invariant 11.52/5.74 Derived loop invariant: 1 11.52/5.74 - InvariantResult [Line: 10]: Loop Invariant 11.52/5.74 Derived loop invariant: 1 11.52/5.74 - StatisticsResult: Ultimate Automizer benchmark data 11.52/5.74 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 11.52/5.74 - StatisticsResult: Constructed decomposition of program 11.52/5.74 Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 3 locations. 11.52/5.74 - StatisticsResult: Timing statistics 11.52/5.74 BüchiAutomizer plugin needed 0.3s and 2 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 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 11.52/5.74 - TerminationAnalysisResult: Nontermination possible 11.52/5.74 Buchi Automizer proved that your program is nonterminating for some inputs 11.52/5.74 - FixpointNonTerminationResult [Line: 12]: Nontermination argument in form of an infinite program execution. 11.52/5.74 Nontermination argument in form of an infinite execution 11.52/5.74 State at position 0 is 11.52/5.74 {} 11.52/5.74 State at position 1 is 11.52/5.74 {\result=0, i=0, j=0} 11.52/5.74 - StatisticsResult: NonterminationArgumentStatistics 11.52/5.74 Fixpoint 11.52/5.74 - NonterminatingLassoResult [Line: 12]: Nonterminating execution 11.52/5.74 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.52/5.74 Stem: 11.52/5.74 [L6] int i; 11.52/5.74 [L7] int j; 11.52/5.74 [L8] i = 0 11.52/5.74 [L10] COND TRUE i < 100 11.52/5.74 [L11] j = 0 11.52/5.74 Loop: 11.52/5.74 [L12] COND TRUE j < 1 11.52/5.74 [L13] j = j+0 11.52/5.74 End of lasso representation. 11.52/5.74 RESULT: Ultimate proved your program to be incorrect! 11.52/5.74 !SESSION 2019-03-28 22:56:42.459 ----------------------------------------------- 11.52/5.74 eclipse.buildId=unknown 11.52/5.74 java.version=1.8.0_181 11.52/5.74 java.vendor=Oracle Corporation 11.52/5.74 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.52/5.74 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.52/5.74 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 11.52/5.74 11.52/5.74 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:56:47.154 11.52/5.74 !MESSAGE The workspace will exit with unsaved changes in this session. 11.52/5.74 Received shutdown request... 11.52/5.74 Ultimate: 11.52/5.74 GTK+ Version Check 11.52/5.74 EOF