12.45/6.09 NO 12.45/6.09 12.45/6.09 Ultimate: Cannot open display: 12.45/6.09 This is Ultimate 0.1.24-8dc7c08-m 12.45/6.09 [2019-03-29 02:12:29,811 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.45/6.09 [2019-03-29 02:12:29,813 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.45/6.09 [2019-03-29 02:12:29,825 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.45/6.09 [2019-03-29 02:12:29,825 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.45/6.09 [2019-03-29 02:12:29,826 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.45/6.09 [2019-03-29 02:12:29,828 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.45/6.09 [2019-03-29 02:12:29,829 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.45/6.09 [2019-03-29 02:12:29,831 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.45/6.09 [2019-03-29 02:12:29,831 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.45/6.09 [2019-03-29 02:12:29,832 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.45/6.09 [2019-03-29 02:12:29,833 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.45/6.09 [2019-03-29 02:12:29,833 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.45/6.09 [2019-03-29 02:12:29,834 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.45/6.09 [2019-03-29 02:12:29,835 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.45/6.09 [2019-03-29 02:12:29,836 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.45/6.09 [2019-03-29 02:12:29,837 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.45/6.09 [2019-03-29 02:12:29,838 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.45/6.09 [2019-03-29 02:12:29,840 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.45/6.09 [2019-03-29 02:12:29,842 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.45/6.09 [2019-03-29 02:12:29,843 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.45/6.09 [2019-03-29 02:12:29,844 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.45/6.09 [2019-03-29 02:12:29,845 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.45/6.09 [2019-03-29 02:12:29,846 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.45/6.09 [2019-03-29 02:12:29,846 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.45/6.09 [2019-03-29 02:12:29,847 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.45/6.09 [2019-03-29 02:12:29,847 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.45/6.09 [2019-03-29 02:12:29,848 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.45/6.09 [2019-03-29 02:12:29,848 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.45/6.09 [2019-03-29 02:12:29,849 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.45/6.09 [2019-03-29 02:12:29,849 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.45/6.09 [2019-03-29 02:12:29,850 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.45/6.09 [2019-03-29 02:12:29,851 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.45/6.09 [2019-03-29 02:12:29,851 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.45/6.09 [2019-03-29 02:12:29,852 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.45/6.09 [2019-03-29 02:12:29,852 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.45/6.09 [2019-03-29 02:12:29,852 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.45/6.09 [2019-03-29 02:12:29,853 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.45/6.09 [2019-03-29 02:12:29,854 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.45/6.09 [2019-03-29 02:12:29,854 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.45/6.09 [2019-03-29 02:12:29,869 INFO L110 SettingsManager]: Loading preferences was successful 12.45/6.09 [2019-03-29 02:12:29,869 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.45/6.09 [2019-03-29 02:12:29,870 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.45/6.09 [2019-03-29 02:12:29,870 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.45/6.09 [2019-03-29 02:12:29,870 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.45/6.09 [2019-03-29 02:12:29,871 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.45/6.09 [2019-03-29 02:12:29,871 INFO L133 SettingsManager]: * Use SBE=true 12.45/6.09 [2019-03-29 02:12:29,871 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.45/6.09 [2019-03-29 02:12:29,871 INFO L133 SettingsManager]: * Use old map elimination=false 12.45/6.09 [2019-03-29 02:12:29,871 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.45/6.09 [2019-03-29 02:12:29,871 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.45/6.09 [2019-03-29 02:12:29,872 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.45/6.09 [2019-03-29 02:12:29,872 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.45/6.09 [2019-03-29 02:12:29,872 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.45/6.09 [2019-03-29 02:12:29,872 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.45/6.09 [2019-03-29 02:12:29,872 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.45/6.09 [2019-03-29 02:12:29,873 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.45/6.09 [2019-03-29 02:12:29,873 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.45/6.09 [2019-03-29 02:12:29,873 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.45/6.09 [2019-03-29 02:12:29,873 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.45/6.09 [2019-03-29 02:12:29,873 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.45/6.09 [2019-03-29 02:12:29,874 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.45/6.09 [2019-03-29 02:12:29,874 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.45/6.09 [2019-03-29 02:12:29,874 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.45/6.09 [2019-03-29 02:12:29,874 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.45/6.09 [2019-03-29 02:12:29,874 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.45/6.09 [2019-03-29 02:12:29,875 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.45/6.09 [2019-03-29 02:12:29,875 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.45/6.09 [2019-03-29 02:12:29,875 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.45/6.09 [2019-03-29 02:12:29,901 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.45/6.09 [2019-03-29 02:12:29,914 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.45/6.09 [2019-03-29 02:12:29,918 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.45/6.09 [2019-03-29 02:12:29,920 INFO L271 PluginConnector]: Initializing CDTParser... 12.45/6.09 [2019-03-29 02:12:29,920 INFO L276 PluginConnector]: CDTParser initialized 12.45/6.09 [2019-03-29 02:12:29,921 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.45/6.09 [2019-03-29 02:12:30,045 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b25903c219ad4c7faccf3d8ad140bb8f/FLAG6f464d57f 12.45/6.09 [2019-03-29 02:12:30,391 INFO L307 CDTParser]: Found 1 translation units. 12.45/6.09 [2019-03-29 02:12:30,392 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.45/6.09 [2019-03-29 02:12:30,399 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b25903c219ad4c7faccf3d8ad140bb8f/FLAG6f464d57f 12.45/6.09 [2019-03-29 02:12:30,814 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b25903c219ad4c7faccf3d8ad140bb8f 12.45/6.09 [2019-03-29 02:12:30,825 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.45/6.09 [2019-03-29 02:12:30,827 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.45/6.09 [2019-03-29 02:12:30,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.45/6.09 [2019-03-29 02:12:30,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.45/6.09 [2019-03-29 02:12:30,832 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.45/6.09 [2019-03-29 02:12:30,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:12:30" (1/1) ... 12.45/6.09 [2019-03-29 02:12:30,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b205fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:30, skipping insertion in model container 12.45/6.09 [2019-03-29 02:12:30,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:12:30" (1/1) ... 12.45/6.09 [2019-03-29 02:12:30,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.45/6.09 [2019-03-29 02:12:30,861 INFO L176 MainTranslator]: Built tables and reachable declarations 12.45/6.09 [2019-03-29 02:12:31,017 INFO L206 PostProcessor]: Analyzing one entry point: main 12.45/6.09 [2019-03-29 02:12:31,022 INFO L191 MainTranslator]: Completed pre-run 12.45/6.09 [2019-03-29 02:12:31,038 INFO L206 PostProcessor]: Analyzing one entry point: main 12.45/6.09 [2019-03-29 02:12:31,053 INFO L195 MainTranslator]: Completed translation 12.45/6.09 [2019-03-29 02:12:31,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31 WrapperNode 12.45/6.09 [2019-03-29 02:12:31,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.45/6.09 [2019-03-29 02:12:31,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.45/6.09 [2019-03-29 02:12:31,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.45/6.09 [2019-03-29 02:12:31,055 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.45/6.09 [2019-03-29 02:12:31,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31" (1/1) ... 12.45/6.09 [2019-03-29 02:12:31,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31" (1/1) ... 12.45/6.09 [2019-03-29 02:12:31,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.45/6.09 [2019-03-29 02:12:31,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.45/6.09 [2019-03-29 02:12:31,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.45/6.09 [2019-03-29 02:12:31,149 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.45/6.09 [2019-03-29 02:12:31,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31" (1/1) ... 12.45/6.09 [2019-03-29 02:12:31,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31" (1/1) ... 12.45/6.09 [2019-03-29 02:12:31,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31" (1/1) ... 12.45/6.09 [2019-03-29 02:12:31,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31" (1/1) ... 12.45/6.09 [2019-03-29 02:12:31,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31" (1/1) ... 12.45/6.09 [2019-03-29 02:12:31,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31" (1/1) ... 12.45/6.09 [2019-03-29 02:12:31,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31" (1/1) ... 12.45/6.09 [2019-03-29 02:12:31,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.45/6.09 [2019-03-29 02:12:31,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.45/6.09 [2019-03-29 02:12:31,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.45/6.09 [2019-03-29 02:12:31,170 INFO L276 PluginConnector]: RCFGBuilder initialized 12.45/6.09 [2019-03-29 02:12:31,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31" (1/1) ... 12.45/6.09 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.45/6.09 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.45/6.09 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.45/6.09 [2019-03-29 02:12:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.45/6.09 [2019-03-29 02:12:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.45/6.09 [2019-03-29 02:12:31,362 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.45/6.09 [2019-03-29 02:12:31,362 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.45/6.09 [2019-03-29 02:12:31,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:12:31 BoogieIcfgContainer 12.45/6.09 [2019-03-29 02:12:31,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.45/6.09 [2019-03-29 02:12:31,364 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.45/6.09 [2019-03-29 02:12:31,364 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.45/6.09 [2019-03-29 02:12:31,366 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.45/6.09 [2019-03-29 02:12:31,367 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:12:31" (1/1) ... 12.45/6.09 [2019-03-29 02:12:31,383 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 12.45/6.09 [2019-03-29 02:12:31,384 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.45/6.09 [2019-03-29 02:12:31,385 INFO L263 BlockEncoder]: Using Maximize final states 12.45/6.09 [2019-03-29 02:12:31,386 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.45/6.09 [2019-03-29 02:12:31,386 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.45/6.09 [2019-03-29 02:12:31,388 INFO L296 BlockEncoder]: Using Remove sink states 12.45/6.09 [2019-03-29 02:12:31,389 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.45/6.09 [2019-03-29 02:12:31,389 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.45/6.09 [2019-03-29 02:12:31,402 INFO L185 BlockEncoder]: Using Use SBE 12.45/6.09 [2019-03-29 02:12:31,409 INFO L200 BlockEncoder]: SBE split 0 edges 12.45/6.09 [2019-03-29 02:12:31,414 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.45/6.09 [2019-03-29 02:12:31,416 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.45/6.09 [2019-03-29 02:12:31,429 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 12.45/6.09 [2019-03-29 02:12:31,430 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 12.45/6.09 [2019-03-29 02:12:31,432 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.45/6.09 [2019-03-29 02:12:31,432 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.45/6.09 [2019-03-29 02:12:31,432 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.45/6.09 [2019-03-29 02:12:31,433 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.45/6.09 [2019-03-29 02:12:31,433 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 12.45/6.09 [2019-03-29 02:12:31,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:12:31 BasicIcfg 12.45/6.09 [2019-03-29 02:12:31,433 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.45/6.09 [2019-03-29 02:12:31,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.45/6.09 [2019-03-29 02:12:31,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.45/6.09 [2019-03-29 02:12:31,438 INFO L276 PluginConnector]: TraceAbstraction initialized 12.45/6.09 [2019-03-29 02:12:31,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:12:30" (1/4) ... 12.45/6.09 [2019-03-29 02:12:31,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a243d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:12:31, skipping insertion in model container 12.45/6.09 [2019-03-29 02:12:31,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31" (2/4) ... 12.45/6.09 [2019-03-29 02:12:31,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a243d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:12:31, skipping insertion in model container 12.45/6.09 [2019-03-29 02:12:31,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:12:31" (3/4) ... 12.45/6.09 [2019-03-29 02:12:31,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a243d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:12:31, skipping insertion in model container 12.45/6.09 [2019-03-29 02:12:31,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:12:31" (4/4) ... 12.45/6.09 [2019-03-29 02:12:31,442 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.45/6.09 [2019-03-29 02:12:31,452 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.45/6.09 [2019-03-29 02:12:31,459 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.45/6.09 [2019-03-29 02:12:31,476 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.45/6.09 [2019-03-29 02:12:31,505 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.45/6.09 [2019-03-29 02:12:31,506 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.45/6.09 [2019-03-29 02:12:31,506 INFO L383 AbstractCegarLoop]: Hoare is true 12.45/6.09 [2019-03-29 02:12:31,506 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.45/6.09 [2019-03-29 02:12:31,506 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.45/6.09 [2019-03-29 02:12:31,506 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.45/6.09 [2019-03-29 02:12:31,506 INFO L387 AbstractCegarLoop]: Difference is false 12.45/6.09 [2019-03-29 02:12:31,507 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.45/6.09 [2019-03-29 02:12:31,507 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.45/6.09 [2019-03-29 02:12:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 12.45/6.09 [2019-03-29 02:12:31,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.45/6.09 [2019-03-29 02:12:31,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 12.45/6.09 [2019-03-29 02:12:31,579 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.45/6.09 [2019-03-29 02:12:31,580 INFO L451 ceAbstractionStarter]: At program point L26-2(lines 26 30) the Hoare annotation is: true 12.45/6.09 [2019-03-29 02:12:31,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:12:31 BasicIcfg 12.45/6.09 [2019-03-29 02:12:31,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.45/6.09 [2019-03-29 02:12:31,588 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.45/6.09 [2019-03-29 02:12:31,589 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.45/6.09 [2019-03-29 02:12:31,592 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.45/6.09 [2019-03-29 02:12:31,593 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.45/6.09 [2019-03-29 02:12:31,593 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:12:30" (1/5) ... 12.45/6.09 [2019-03-29 02:12:31,594 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d50cbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:12:31, skipping insertion in model container 12.45/6.09 [2019-03-29 02:12:31,594 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.45/6.09 [2019-03-29 02:12:31,594 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:31" (2/5) ... 12.45/6.09 [2019-03-29 02:12:31,594 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d50cbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:12:31, skipping insertion in model container 12.45/6.09 [2019-03-29 02:12:31,594 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.45/6.09 [2019-03-29 02:12:31,595 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:12:31" (3/5) ... 12.45/6.09 [2019-03-29 02:12:31,595 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d50cbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:12:31, skipping insertion in model container 12.45/6.09 [2019-03-29 02:12:31,595 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.45/6.09 [2019-03-29 02:12:31,595 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:12:31" (4/5) ... 12.45/6.09 [2019-03-29 02:12:31,596 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d50cbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:12:31, skipping insertion in model container 12.45/6.09 [2019-03-29 02:12:31,596 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.45/6.09 [2019-03-29 02:12:31,596 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:12:31" (5/5) ... 12.45/6.09 [2019-03-29 02:12:31,597 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.45/6.09 [2019-03-29 02:12:31,625 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.45/6.09 [2019-03-29 02:12:31,625 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.45/6.09 [2019-03-29 02:12:31,625 INFO L375 BuchiCegarLoop]: Hoare is true 12.45/6.09 [2019-03-29 02:12:31,626 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.45/6.09 [2019-03-29 02:12:31,626 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.45/6.09 [2019-03-29 02:12:31,626 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.45/6.09 [2019-03-29 02:12:31,626 INFO L379 BuchiCegarLoop]: Difference is false 12.45/6.09 [2019-03-29 02:12:31,626 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.45/6.09 [2019-03-29 02:12:31,626 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.45/6.09 [2019-03-29 02:12:31,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.45/6.09 [2019-03-29 02:12:31,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.45/6.09 [2019-03-29 02:12:31,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.45/6.09 [2019-03-29 02:12:31,647 INFO L119 BuchiIsEmpty]: Starting construction of run 12.45/6.09 [2019-03-29 02:12:31,652 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.45/6.09 [2019-03-29 02:12:31,652 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.45/6.09 [2019-03-29 02:12:31,653 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.45/6.09 [2019-03-29 02:12:31,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.45/6.09 [2019-03-29 02:12:31,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.45/6.09 [2019-03-29 02:12:31,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.45/6.09 [2019-03-29 02:12:31,653 INFO L119 BuchiIsEmpty]: Starting construction of run 12.45/6.09 [2019-03-29 02:12:31,654 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.45/6.09 [2019-03-29 02:12:31,654 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.45/6.09 [2019-03-29 02:12:31,659 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [19] ULTIMATE.startENTRY-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~oldx~0=v_ULTIMATE.start_main_~oldx~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~oldx~0, ULTIMATE.start_main_~x~0] 4#L26-2true 12.45/6.09 [2019-03-29 02:12:31,659 INFO L796 eck$LassoCheckResult]: Loop: 4#L26-2true [23] L26-2-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~oldx~0_4 v_ULTIMATE.start_main_~y~0_7)) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~oldx~0_4 (* (- 1) v_ULTIMATE.start_main_~y~0_7))) (= v_ULTIMATE.start_main_~oldx~0_4 v_ULTIMATE.start_main_~x~0_8) (< v_ULTIMATE.start_main_~x~0_8 5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~oldx~0=v_ULTIMATE.start_main_~oldx~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~oldx~0, ULTIMATE.start_main_~x~0] 4#L26-2true 12.45/6.09 [2019-03-29 02:12:31,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.45/6.09 [2019-03-29 02:12:31,666 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times 12.45/6.09 [2019-03-29 02:12:31,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.45/6.09 [2019-03-29 02:12:31,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.45/6.09 [2019-03-29 02:12:31,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.45/6.09 [2019-03-29 02:12:31,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.45/6.09 [2019-03-29 02:12:31,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.45/6.09 [2019-03-29 02:12:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.45/6.09 [2019-03-29 02:12:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.45/6.09 [2019-03-29 02:12:31,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.45/6.09 [2019-03-29 02:12:31,738 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times 12.45/6.09 [2019-03-29 02:12:31,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.45/6.09 [2019-03-29 02:12:31,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.45/6.09 [2019-03-29 02:12:31,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.45/6.09 [2019-03-29 02:12:31,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.45/6.09 [2019-03-29 02:12:31,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.45/6.09 [2019-03-29 02:12:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.45/6.09 [2019-03-29 02:12:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.45/6.09 [2019-03-29 02:12:31,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.45/6.09 [2019-03-29 02:12:31,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1573, now seen corresponding path program 1 times 12.45/6.09 [2019-03-29 02:12:31,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.45/6.09 [2019-03-29 02:12:31,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.45/6.09 [2019-03-29 02:12:31,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.45/6.09 [2019-03-29 02:12:31,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.45/6.09 [2019-03-29 02:12:31,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.45/6.09 [2019-03-29 02:12:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.45/6.09 [2019-03-29 02:12:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.45/6.09 [2019-03-29 02:12:31,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:12:31 BasicIcfg 12.45/6.09 [2019-03-29 02:12:31,838 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.45/6.09 [2019-03-29 02:12:31,839 INFO L168 Benchmark]: Toolchain (without parser) took 1013.07 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 569.8 MB in the end (delta: -4.9 MB). There was no memory consumed. Max. memory is 50.3 GB. 12.45/6.09 [2019-03-29 02:12:31,840 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 590.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.45/6.09 [2019-03-29 02:12:31,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.54 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 554.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 12.45/6.09 [2019-03-29 02:12:31,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.97 ms. Allocated memory is still 649.6 MB. Free memory was 554.1 MB in the beginning and 617.5 MB in the end (delta: -63.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 12.45/6.09 [2019-03-29 02:12:31,842 INFO L168 Benchmark]: Boogie Preprocessor took 19.88 ms. Allocated memory is still 649.6 MB. Free memory was 616.4 MB in the beginning and 613.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 12.45/6.09 [2019-03-29 02:12:31,843 INFO L168 Benchmark]: RCFGBuilder took 194.30 ms. Allocated memory is still 649.6 MB. Free memory was 613.6 MB in the beginning and 600.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 12.45/6.09 [2019-03-29 02:12:31,844 INFO L168 Benchmark]: BlockEncodingV2 took 69.70 ms. Allocated memory is still 649.6 MB. Free memory was 600.1 MB in the beginning and 595.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 12.45/6.09 [2019-03-29 02:12:31,845 INFO L168 Benchmark]: TraceAbstraction took 153.63 ms. Allocated memory is still 649.6 MB. Free memory was 594.7 MB in the beginning and 586.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 12.45/6.09 [2019-03-29 02:12:31,845 INFO L168 Benchmark]: BuchiAutomizer took 249.89 ms. Allocated memory is still 649.6 MB. Free memory was 586.1 MB in the beginning and 569.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 50.3 GB. 12.45/6.09 [2019-03-29 02:12:31,851 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.45/6.09 --- Results --- 12.45/6.09 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.45/6.09 - StatisticsResult: Initial Icfg 12.45/6.09 6 locations, 7 edges 12.45/6.09 - StatisticsResult: Encoded RCFG 12.45/6.09 2 locations, 2 edges 12.45/6.09 * Results from de.uni_freiburg.informatik.ultimate.core: 12.45/6.09 - StatisticsResult: Toolchain Benchmarks 12.45/6.09 Benchmark results are: 12.45/6.09 * CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 590.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.45/6.09 * CACSL2BoogieTranslator took 226.54 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 554.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 12.45/6.09 * Boogie Procedure Inliner took 93.97 ms. Allocated memory is still 649.6 MB. Free memory was 554.1 MB in the beginning and 617.5 MB in the end (delta: -63.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 12.45/6.09 * Boogie Preprocessor took 19.88 ms. Allocated memory is still 649.6 MB. Free memory was 616.4 MB in the beginning and 613.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 12.45/6.09 * RCFGBuilder took 194.30 ms. Allocated memory is still 649.6 MB. Free memory was 613.6 MB in the beginning and 600.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 12.45/6.09 * BlockEncodingV2 took 69.70 ms. Allocated memory is still 649.6 MB. Free memory was 600.1 MB in the beginning and 595.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 12.45/6.09 * TraceAbstraction took 153.63 ms. Allocated memory is still 649.6 MB. Free memory was 594.7 MB in the beginning and 586.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 12.45/6.09 * BuchiAutomizer took 249.89 ms. Allocated memory is still 649.6 MB. Free memory was 586.1 MB in the beginning and 569.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 50.3 GB. 12.45/6.09 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.45/6.09 - AllSpecificationsHoldResult: All specifications hold 12.45/6.09 We were not able to verify any specifiation because the program does not contain any specification. 12.45/6.09 - InvariantResult [Line: 26]: Loop Invariant 12.45/6.09 Derived loop invariant: 1 12.45/6.09 - StatisticsResult: Ultimate Automizer benchmark data 12.45/6.09 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 12.45/6.09 - StatisticsResult: Constructed decomposition of program 12.45/6.09 Trivial decomposition into one nonterminating module. 12.45/6.09 - StatisticsResult: Timing statistics 12.45/6.09 BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. 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 12.45/6.09 - TerminationAnalysisResult: Nontermination possible 12.45/6.09 Buchi Automizer proved that your program is nonterminating for some inputs 12.45/6.09 - FixpointNonTerminationResult [Line: 26]: Nontermination argument in form of an infinite program execution. 12.45/6.09 Nontermination argument in form of an infinite execution 12.45/6.09 State at position 0 is 12.45/6.09 {} 12.45/6.09 State at position 1 is 12.45/6.09 {x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22b116ff=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ed411bb=0, x=0, y=0} 12.45/6.09 - StatisticsResult: NonterminationArgumentStatistics 12.45/6.09 Fixpoint 12.45/6.09 - NonterminatingLassoResult [Line: 26]: Nonterminating execution 12.45/6.09 Found a nonterminating execution for the following lasso shaped sequence of statements. 12.45/6.09 Stem: 12.45/6.09 [L23] int x, y, oldx; 12.45/6.09 [L24] x = __VERIFIER_nondet_int() 12.45/6.09 [L25] y = __VERIFIER_nondet_int() 12.45/6.09 Loop: 12.45/6.09 [L26] COND TRUE x < 5 12.45/6.09 [L27] oldx = x 12.45/6.09 [L28] x = oldx - y 12.45/6.09 [L29] y = oldx + y 12.45/6.09 End of lasso representation. 12.45/6.09 RESULT: Ultimate proved your program to be incorrect! 12.45/6.09 !SESSION 2019-03-29 02:12:27.416 ----------------------------------------------- 12.45/6.09 eclipse.buildId=unknown 12.45/6.09 java.version=1.8.0_181 12.45/6.09 java.vendor=Oracle Corporation 12.45/6.09 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.45/6.09 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.45/6.09 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 12.45/6.09 12.45/6.09 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:12:32.089 12.45/6.09 !MESSAGE The workspace will exit with unsaved changes in this session. 12.45/6.09 Received shutdown request... 12.45/6.09 Ultimate: 12.45/6.09 GTK+ Version Check 12.45/6.09 EOF