13.28/6.61 NO 13.28/6.61 13.28/6.61 Ultimate: Cannot open display: 13.28/6.61 This is Ultimate 0.1.24-8dc7c08-m 13.28/6.61 [2019-03-28 22:35:46,478 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.28/6.61 [2019-03-28 22:35:46,480 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.28/6.61 [2019-03-28 22:35:46,491 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.28/6.61 [2019-03-28 22:35:46,491 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.28/6.61 [2019-03-28 22:35:46,492 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.28/6.61 [2019-03-28 22:35:46,494 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.28/6.61 [2019-03-28 22:35:46,495 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.28/6.61 [2019-03-28 22:35:46,497 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.28/6.61 [2019-03-28 22:35:46,497 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.28/6.61 [2019-03-28 22:35:46,498 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.28/6.61 [2019-03-28 22:35:46,498 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.28/6.61 [2019-03-28 22:35:46,499 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.28/6.61 [2019-03-28 22:35:46,500 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.28/6.61 [2019-03-28 22:35:46,501 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.28/6.61 [2019-03-28 22:35:46,502 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.28/6.61 [2019-03-28 22:35:46,503 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.28/6.61 [2019-03-28 22:35:46,505 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.28/6.61 [2019-03-28 22:35:46,506 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.28/6.61 [2019-03-28 22:35:46,508 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.28/6.61 [2019-03-28 22:35:46,509 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.28/6.61 [2019-03-28 22:35:46,510 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.28/6.61 [2019-03-28 22:35:46,512 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.28/6.61 [2019-03-28 22:35:46,512 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.28/6.61 [2019-03-28 22:35:46,512 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.28/6.61 [2019-03-28 22:35:46,513 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.28/6.61 [2019-03-28 22:35:46,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.28/6.61 [2019-03-28 22:35:46,514 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.28/6.61 [2019-03-28 22:35:46,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.28/6.61 [2019-03-28 22:35:46,515 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.28/6.61 [2019-03-28 22:35:46,516 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.28/6.61 [2019-03-28 22:35:46,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.28/6.61 [2019-03-28 22:35:46,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.28/6.61 [2019-03-28 22:35:46,518 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.28/6.61 [2019-03-28 22:35:46,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.28/6.61 [2019-03-28 22:35:46,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.28/6.61 [2019-03-28 22:35:46,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.28/6.61 [2019-03-28 22:35:46,520 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.28/6.61 [2019-03-28 22:35:46,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.28/6.61 [2019-03-28 22:35:46,521 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 13.28/6.61 [2019-03-28 22:35:46,535 INFO L110 SettingsManager]: Loading preferences was successful 13.28/6.61 [2019-03-28 22:35:46,535 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.28/6.61 [2019-03-28 22:35:46,536 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.28/6.61 [2019-03-28 22:35:46,537 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.28/6.61 [2019-03-28 22:35:46,537 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.28/6.61 [2019-03-28 22:35:46,537 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.28/6.61 [2019-03-28 22:35:46,537 INFO L133 SettingsManager]: * Use SBE=true 13.28/6.61 [2019-03-28 22:35:46,537 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.28/6.61 [2019-03-28 22:35:46,538 INFO L133 SettingsManager]: * Use old map elimination=false 13.28/6.61 [2019-03-28 22:35:46,538 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.28/6.61 [2019-03-28 22:35:46,538 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.28/6.61 [2019-03-28 22:35:46,538 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.28/6.61 [2019-03-28 22:35:46,538 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.28/6.61 [2019-03-28 22:35:46,539 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.28/6.61 [2019-03-28 22:35:46,539 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:46,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.28/6.61 [2019-03-28 22:35:46,539 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.28/6.61 [2019-03-28 22:35:46,539 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.28/6.61 [2019-03-28 22:35:46,540 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.28/6.61 [2019-03-28 22:35:46,540 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.28/6.61 [2019-03-28 22:35:46,540 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.28/6.61 [2019-03-28 22:35:46,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.28/6.61 [2019-03-28 22:35:46,540 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.28/6.61 [2019-03-28 22:35:46,541 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.28/6.61 [2019-03-28 22:35:46,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.28/6.61 [2019-03-28 22:35:46,541 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.28/6.61 [2019-03-28 22:35:46,541 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.28/6.61 [2019-03-28 22:35:46,541 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.28/6.61 [2019-03-28 22:35:46,541 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.28/6.61 [2019-03-28 22:35:46,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.28/6.61 [2019-03-28 22:35:46,579 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.28/6.61 [2019-03-28 22:35:46,583 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.28/6.61 [2019-03-28 22:35:46,584 INFO L271 PluginConnector]: Initializing CDTParser... 13.28/6.61 [2019-03-28 22:35:46,585 INFO L276 PluginConnector]: CDTParser initialized 13.28/6.61 [2019-03-28 22:35:46,585 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 13.28/6.61 [2019-03-28 22:35:46,643 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/a57088c95fa140e089679d6ceb76d172/FLAG72df3f631 13.28/6.61 [2019-03-28 22:35:46,984 INFO L307 CDTParser]: Found 1 translation units. 13.28/6.61 [2019-03-28 22:35:46,984 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 13.28/6.61 [2019-03-28 22:35:46,991 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/a57088c95fa140e089679d6ceb76d172/FLAG72df3f631 13.28/6.61 [2019-03-28 22:35:47,392 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/a57088c95fa140e089679d6ceb76d172 13.28/6.61 [2019-03-28 22:35:47,404 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.28/6.61 [2019-03-28 22:35:47,405 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.28/6.61 [2019-03-28 22:35:47,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.28/6.61 [2019-03-28 22:35:47,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.28/6.61 [2019-03-28 22:35:47,410 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.28/6.61 [2019-03-28 22:35:47,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:35:47" (1/1) ... 13.28/6.61 [2019-03-28 22:35:47,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b00aa81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47, skipping insertion in model container 13.28/6.61 [2019-03-28 22:35:47,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:35:47" (1/1) ... 13.28/6.61 [2019-03-28 22:35:47,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.28/6.61 [2019-03-28 22:35:47,441 INFO L176 MainTranslator]: Built tables and reachable declarations 13.28/6.61 [2019-03-28 22:35:47,599 INFO L206 PostProcessor]: Analyzing one entry point: main 13.28/6.61 [2019-03-28 22:35:47,604 INFO L191 MainTranslator]: Completed pre-run 13.28/6.61 [2019-03-28 22:35:47,621 INFO L206 PostProcessor]: Analyzing one entry point: main 13.28/6.61 [2019-03-28 22:35:47,636 INFO L195 MainTranslator]: Completed translation 13.28/6.61 [2019-03-28 22:35:47,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47 WrapperNode 13.28/6.61 [2019-03-28 22:35:47,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.28/6.61 [2019-03-28 22:35:47,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.28/6.61 [2019-03-28 22:35:47,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.28/6.61 [2019-03-28 22:35:47,638 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.28/6.61 [2019-03-28 22:35:47,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47" (1/1) ... 13.28/6.61 [2019-03-28 22:35:47,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47" (1/1) ... 13.28/6.61 [2019-03-28 22:35:47,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.28/6.61 [2019-03-28 22:35:47,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.28/6.61 [2019-03-28 22:35:47,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.28/6.61 [2019-03-28 22:35:47,732 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.28/6.61 [2019-03-28 22:35:47,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47" (1/1) ... 13.28/6.61 [2019-03-28 22:35:47,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47" (1/1) ... 13.28/6.61 [2019-03-28 22:35:47,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47" (1/1) ... 13.28/6.61 [2019-03-28 22:35:47,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47" (1/1) ... 13.28/6.61 [2019-03-28 22:35:47,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47" (1/1) ... 13.28/6.61 [2019-03-28 22:35:47,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47" (1/1) ... 13.28/6.61 [2019-03-28 22:35:47,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47" (1/1) ... 13.28/6.61 [2019-03-28 22:35:47,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.28/6.61 [2019-03-28 22:35:47,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.28/6.61 [2019-03-28 22:35:47,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.28/6.61 [2019-03-28 22:35:47,752 INFO L276 PluginConnector]: RCFGBuilder initialized 13.28/6.61 [2019-03-28 22:35:47,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47" (1/1) ... 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.28/6.61 [2019-03-28 22:35:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.28/6.61 [2019-03-28 22:35:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.28/6.61 [2019-03-28 22:35:47,933 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.28/6.61 [2019-03-28 22:35:47,934 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.28/6.61 [2019-03-28 22:35:47,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:47 BoogieIcfgContainer 13.28/6.61 [2019-03-28 22:35:47,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.28/6.61 [2019-03-28 22:35:47,936 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.28/6.61 [2019-03-28 22:35:47,936 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.28/6.61 [2019-03-28 22:35:47,938 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.28/6.61 [2019-03-28 22:35:47,938 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:47" (1/1) ... 13.28/6.61 [2019-03-28 22:35:47,953 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 13.28/6.61 [2019-03-28 22:35:47,955 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.28/6.61 [2019-03-28 22:35:47,955 INFO L263 BlockEncoder]: Using Maximize final states 13.28/6.61 [2019-03-28 22:35:47,956 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.28/6.61 [2019-03-28 22:35:47,956 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.28/6.61 [2019-03-28 22:35:47,958 INFO L296 BlockEncoder]: Using Remove sink states 13.28/6.61 [2019-03-28 22:35:47,959 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.28/6.61 [2019-03-28 22:35:47,959 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.28/6.61 [2019-03-28 22:35:47,973 INFO L185 BlockEncoder]: Using Use SBE 13.28/6.61 [2019-03-28 22:35:47,980 INFO L200 BlockEncoder]: SBE split 0 edges 13.28/6.61 [2019-03-28 22:35:47,985 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.28/6.61 [2019-03-28 22:35:47,987 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.28/6.61 [2019-03-28 22:35:48,000 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 13.28/6.61 [2019-03-28 22:35:48,002 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.28/6.61 [2019-03-28 22:35:48,004 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.28/6.61 [2019-03-28 22:35:48,004 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.28/6.61 [2019-03-28 22:35:48,004 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.28/6.61 [2019-03-28 22:35:48,004 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.28/6.61 [2019-03-28 22:35:48,005 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 13.28/6.61 [2019-03-28 22:35:48,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:35:48 BasicIcfg 13.28/6.61 [2019-03-28 22:35:48,005 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.28/6.61 [2019-03-28 22:35:48,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.28/6.61 [2019-03-28 22:35:48,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.28/6.61 [2019-03-28 22:35:48,009 INFO L276 PluginConnector]: TraceAbstraction initialized 13.28/6.61 [2019-03-28 22:35:48,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:35:47" (1/4) ... 13.28/6.61 [2019-03-28 22:35:48,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9aa2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:35:48, skipping insertion in model container 13.28/6.61 [2019-03-28 22:35:48,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47" (2/4) ... 13.28/6.61 [2019-03-28 22:35:48,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9aa2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:35:48, skipping insertion in model container 13.28/6.61 [2019-03-28 22:35:48,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:47" (3/4) ... 13.28/6.61 [2019-03-28 22:35:48,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9aa2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:35:48, skipping insertion in model container 13.28/6.61 [2019-03-28 22:35:48,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:35:48" (4/4) ... 13.28/6.61 [2019-03-28 22:35:48,013 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.28/6.61 [2019-03-28 22:35:48,023 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.28/6.61 [2019-03-28 22:35:48,030 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.28/6.61 [2019-03-28 22:35:48,047 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.28/6.61 [2019-03-28 22:35:48,076 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.28/6.61 [2019-03-28 22:35:48,077 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.28/6.61 [2019-03-28 22:35:48,077 INFO L383 AbstractCegarLoop]: Hoare is true 13.28/6.61 [2019-03-28 22:35:48,077 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.28/6.61 [2019-03-28 22:35:48,078 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.28/6.61 [2019-03-28 22:35:48,078 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.28/6.61 [2019-03-28 22:35:48,078 INFO L387 AbstractCegarLoop]: Difference is false 13.28/6.61 [2019-03-28 22:35:48,078 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.28/6.61 [2019-03-28 22:35:48,078 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.28/6.61 [2019-03-28 22:35:48,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 13.28/6.61 [2019-03-28 22:35:48,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.28/6.61 [2019-03-28 22:35:48,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 13.28/6.61 [2019-03-28 22:35:48,150 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.28/6.61 [2019-03-28 22:35:48,150 INFO L451 ceAbstractionStarter]: At program point L27-2(lines 27 31) the Hoare annotation is: true 13.28/6.61 [2019-03-28 22:35:48,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:35:48 BasicIcfg 13.28/6.61 [2019-03-28 22:35:48,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.28/6.61 [2019-03-28 22:35:48,159 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.28/6.61 [2019-03-28 22:35:48,159 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.28/6.61 [2019-03-28 22:35:48,163 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.28/6.61 [2019-03-28 22:35:48,163 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.28/6.61 [2019-03-28 22:35:48,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:35:47" (1/5) ... 13.28/6.61 [2019-03-28 22:35:48,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65c3f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:35:48, skipping insertion in model container 13.28/6.61 [2019-03-28 22:35:48,165 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.28/6.61 [2019-03-28 22:35:48,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:47" (2/5) ... 13.28/6.61 [2019-03-28 22:35:48,165 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65c3f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:35:48, skipping insertion in model container 13.28/6.61 [2019-03-28 22:35:48,165 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.28/6.61 [2019-03-28 22:35:48,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:47" (3/5) ... 13.28/6.61 [2019-03-28 22:35:48,166 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65c3f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:35:48, skipping insertion in model container 13.28/6.61 [2019-03-28 22:35:48,166 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.28/6.61 [2019-03-28 22:35:48,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:35:48" (4/5) ... 13.28/6.61 [2019-03-28 22:35:48,167 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65c3f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:35:48, skipping insertion in model container 13.28/6.61 [2019-03-28 22:35:48,167 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.28/6.61 [2019-03-28 22:35:48,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:35:48" (5/5) ... 13.28/6.61 [2019-03-28 22:35:48,168 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.28/6.61 [2019-03-28 22:35:48,195 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.28/6.61 [2019-03-28 22:35:48,196 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.28/6.61 [2019-03-28 22:35:48,196 INFO L375 BuchiCegarLoop]: Hoare is true 13.28/6.61 [2019-03-28 22:35:48,196 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.28/6.61 [2019-03-28 22:35:48,196 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.28/6.61 [2019-03-28 22:35:48,196 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.28/6.61 [2019-03-28 22:35:48,197 INFO L379 BuchiCegarLoop]: Difference is false 13.28/6.61 [2019-03-28 22:35:48,197 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.28/6.61 [2019-03-28 22:35:48,197 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.28/6.61 [2019-03-28 22:35:48,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.28/6.61 [2019-03-28 22:35:48,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.28/6.61 [2019-03-28 22:35:48,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.28/6.61 [2019-03-28 22:35:48,219 INFO L119 BuchiIsEmpty]: Starting construction of run 13.28/6.61 [2019-03-28 22:35:48,224 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.28/6.61 [2019-03-28 22:35:48,224 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.28/6.61 [2019-03-28 22:35:48,224 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.28/6.61 [2019-03-28 22:35:48,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.28/6.61 [2019-03-28 22:35:48,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.28/6.61 [2019-03-28 22:35:48,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.28/6.61 [2019-03-28 22:35:48,225 INFO L119 BuchiIsEmpty]: Starting construction of run 13.28/6.61 [2019-03-28 22:35:48,226 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.28/6.61 [2019-03-28 22:35:48,226 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.28/6.61 [2019-03-28 22:35:48,231 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L27-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L27-2true 13.28/6.61 [2019-03-28 22:35:48,232 INFO L796 eck$LassoCheckResult]: Loop: 4#L27-2true [24] L27-2-->L27-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~z~0_7 v_ULTIMATE.start_main_~x~0_8)) (< v_ULTIMATE.start_main_~x~0_8 0) (= v_ULTIMATE.start_main_~z~0_6 (* (- 2) v_ULTIMATE.start_main_~y~0_7)) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~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_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L27-2true 13.28/6.61 [2019-03-28 22:35:48,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.28/6.61 [2019-03-28 22:35:48,238 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 13.28/6.61 [2019-03-28 22:35:48,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.28/6.61 [2019-03-28 22:35:48,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.28/6.61 [2019-03-28 22:35:48,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.28/6.61 [2019-03-28 22:35:48,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.28/6.61 [2019-03-28 22:35:48,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.28/6.61 [2019-03-28 22:35:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.28/6.61 [2019-03-28 22:35:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.28/6.61 [2019-03-28 22:35:48,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.28/6.61 [2019-03-28 22:35:48,315 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times 13.28/6.61 [2019-03-28 22:35:48,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.28/6.61 [2019-03-28 22:35:48,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.28/6.61 [2019-03-28 22:35:48,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.28/6.61 [2019-03-28 22:35:48,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.28/6.61 [2019-03-28 22:35:48,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.28/6.61 [2019-03-28 22:35:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.28/6.61 [2019-03-28 22:35:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.28/6.61 [2019-03-28 22:35:48,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.28/6.61 [2019-03-28 22:35:48,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1543, now seen corresponding path program 1 times 13.28/6.61 [2019-03-28 22:35:48,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.28/6.61 [2019-03-28 22:35:48,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.28/6.61 [2019-03-28 22:35:48,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.28/6.61 [2019-03-28 22:35:48,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.28/6.61 [2019-03-28 22:35:48,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.28/6.61 [2019-03-28 22:35:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.28/6.61 [2019-03-28 22:35:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.28/6.61 [2019-03-28 22:35:48,405 INFO L216 LassoAnalysis]: Preferences: 13.28/6.61 [2019-03-28 22:35:48,406 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.28/6.61 [2019-03-28 22:35:48,407 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.28/6.61 [2019-03-28 22:35:48,407 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.28/6.61 [2019-03-28 22:35:48,407 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.28/6.61 [2019-03-28 22:35:48,407 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:48,407 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.28/6.61 [2019-03-28 22:35:48,408 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.28/6.61 [2019-03-28 22:35:48,408 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.28/6.61 [2019-03-28 22:35:48,408 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.28/6.61 [2019-03-28 22:35:48,408 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.28/6.61 [2019-03-28 22:35:48,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.28/6.61 [2019-03-28 22:35:48,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.28/6.61 [2019-03-28 22:35:48,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.28/6.61 [2019-03-28 22:35:48,546 INFO L300 LassoAnalysis]: Preprocessing complete. 13.28/6.61 [2019-03-28 22:35:48,547 INFO L412 LassoAnalysis]: Checking for nontermination... 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:48,553 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.28/6.61 [2019-03-28 22:35:48,553 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.28/6.61 [2019-03-28 22:35:48,586 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.28/6.61 [2019-03-28 22:35:48,587 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:48,593 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.28/6.61 [2019-03-28 22:35:48,594 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.28/6.61 [2019-03-28 22:35:48,622 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.28/6.61 [2019-03-28 22:35:48,622 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:48,627 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.28/6.61 [2019-03-28 22:35:48,627 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:48,662 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.28/6.61 [2019-03-28 22:35:48,662 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.28/6.61 [2019-03-28 22:35:48,840 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.28/6.61 [2019-03-28 22:35:48,841 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=5, ULTIMATE.start_main_~z~0=-8, ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~y~0=5, ULTIMATE.start_main_~z~0=-8, ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=1, ULTIMATE.start_main_~z~0=-4, ULTIMATE.start_main_~x~0=-2}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=2, ULTIMATE.start_main_~x~0=-4}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=-2}] Lambdas: [1, 0, 1] Nus: [1, 1] 13.28/6.61 [2019-03-28 22:35:48,878 INFO L216 LassoAnalysis]: Preferences: 13.28/6.61 [2019-03-28 22:35:48,878 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.28/6.61 [2019-03-28 22:35:48,878 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.28/6.61 [2019-03-28 22:35:48,878 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.28/6.61 [2019-03-28 22:35:48,878 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.28/6.61 [2019-03-28 22:35:48,878 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:48,879 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.28/6.61 [2019-03-28 22:35:48,879 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.28/6.61 [2019-03-28 22:35:48,879 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 13.28/6.61 [2019-03-28 22:35:48,879 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.28/6.61 [2019-03-28 22:35:48,879 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.28/6.61 [2019-03-28 22:35:48,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.28/6.61 [2019-03-28 22:35:48,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.28/6.61 [2019-03-28 22:35:48,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.28/6.61 [2019-03-28 22:35:48,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.28/6.61 [2019-03-28 22:35:48,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.28/6.61 [2019-03-28 22:35:48,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.28/6.61 [2019-03-28 22:35:48,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.28/6.61 [2019-03-28 22:35:48,993 INFO L300 LassoAnalysis]: Preprocessing complete. 13.28/6.61 [2019-03-28 22:35:48,993 INFO L412 LassoAnalysis]: Checking for nontermination... 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:49,014 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.28/6.61 [2019-03-28 22:35:49,015 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.28/6.61 [2019-03-28 22:35:49,019 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.28/6.61 [2019-03-28 22:35:49,019 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:49,049 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.28/6.61 [2019-03-28 22:35:49,049 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:49,082 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.28/6.61 [2019-03-28 22:35:49,082 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.28/6.61 [2019-03-28 22:35:49,253 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.28/6.61 [2019-03-28 22:35:49,253 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-1, ULTIMATE.start_main_~y~0=5, ULTIMATE.start_main_~z~0=-8} Honda state: {ULTIMATE.start_main_~x~0=-1, ULTIMATE.start_main_~y~0=5, ULTIMATE.start_main_~z~0=-8} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=-2, ULTIMATE.start_main_~y~0=1, ULTIMATE.start_main_~z~0=-4}, {ULTIMATE.start_main_~x~0=-4, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=2}, {ULTIMATE.start_main_~x~0=-2, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0}] Lambdas: [1, 0, 1] Nus: [1, 1] 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:49,282 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.28/6.61 [2019-03-28 22:35:49,282 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.28/6.61 [2019-03-28 22:35:49,309 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.28/6.61 [2019-03-28 22:35:49,309 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:49,314 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.28/6.61 [2019-03-28 22:35:49,314 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.28/6.61 [2019-03-28 22:35:49,317 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.28/6.61 [2019-03-28 22:35:49,318 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:49,345 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.28/6.61 [2019-03-28 22:35:49,345 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.28/6.61 [2019-03-28 22:35:49,349 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.28/6.61 [2019-03-28 22:35:49,349 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:49,376 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.28/6.61 [2019-03-28 22:35:49,376 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.28/6.61 [2019-03-28 22:35:49,380 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.28/6.61 [2019-03-28 22:35:49,380 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.28/6.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.28/6.61 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.28/6.61 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.28/6.61 [2019-03-28 22:35:49,408 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.28/6.61 [2019-03-28 22:35:49,408 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.28/6.61 [2019-03-28 22:35:49,435 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.28/6.61 [2019-03-28 22:35:49,436 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.28/6.61 [2019-03-28 22:35:49,447 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,450 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,451 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,455 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:35:49 BasicIcfg 13.28/6.61 [2019-03-28 22:35:49,466 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.28/6.61 [2019-03-28 22:35:49,467 INFO L168 Benchmark]: Toolchain (without parser) took 2062.69 ms. Allocated memory was 649.6 MB in the beginning and 679.0 MB in the end (delta: 29.4 MB). Free memory was 562.7 MB in the beginning and 518.6 MB in the end (delta: 44.1 MB). Peak memory consumption was 73.4 MB. Max. memory is 50.3 GB. 13.28/6.61 [2019-03-28 22:35:49,469 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.28/6.61 [2019-03-28 22:35:49,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.05 ms. Allocated memory is still 649.6 MB. Free memory was 562.7 MB in the beginning and 553.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.28/6.61 [2019-03-28 22:35:49,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.64 ms. Allocated memory was 649.6 MB in the beginning and 679.0 MB in the end (delta: 29.4 MB). Free memory was 553.3 MB in the beginning and 646.6 MB in the end (delta: -93.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 50.3 GB. 13.28/6.61 [2019-03-28 22:35:49,470 INFO L168 Benchmark]: Boogie Preprocessor took 19.43 ms. Allocated memory is still 679.0 MB. Free memory was 646.6 MB in the beginning and 643.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.28/6.61 [2019-03-28 22:35:49,471 INFO L168 Benchmark]: RCFGBuilder took 183.71 ms. Allocated memory is still 679.0 MB. Free memory was 643.5 MB in the beginning and 630.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.28/6.61 [2019-03-28 22:35:49,472 INFO L168 Benchmark]: BlockEncodingV2 took 69.86 ms. Allocated memory is still 679.0 MB. Free memory was 630.6 MB in the beginning and 625.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.28/6.61 [2019-03-28 22:35:49,472 INFO L168 Benchmark]: TraceAbstraction took 152.45 ms. Allocated memory is still 679.0 MB. Free memory was 625.2 MB in the beginning and 617.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 13.28/6.61 [2019-03-28 22:35:49,473 INFO L168 Benchmark]: BuchiAutomizer took 1307.21 ms. Allocated memory is still 679.0 MB. Free memory was 617.0 MB in the beginning and 518.6 MB in the end (delta: 98.4 MB). Peak memory consumption was 98.4 MB. Max. memory is 50.3 GB. 13.28/6.61 [2019-03-28 22:35:49,477 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.28/6.61 --- Results --- 13.28/6.61 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.28/6.61 - StatisticsResult: Initial Icfg 13.28/6.61 6 locations, 7 edges 13.28/6.61 - StatisticsResult: Encoded RCFG 13.28/6.61 2 locations, 2 edges 13.28/6.61 * Results from de.uni_freiburg.informatik.ultimate.core: 13.28/6.61 - StatisticsResult: Toolchain Benchmarks 13.28/6.61 Benchmark results are: 13.28/6.61 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.28/6.61 * CACSL2BoogieTranslator took 231.05 ms. Allocated memory is still 649.6 MB. Free memory was 562.7 MB in the beginning and 553.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.28/6.61 * Boogie Procedure Inliner took 93.64 ms. Allocated memory was 649.6 MB in the beginning and 679.0 MB in the end (delta: 29.4 MB). Free memory was 553.3 MB in the beginning and 646.6 MB in the end (delta: -93.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 50.3 GB. 13.28/6.61 * Boogie Preprocessor took 19.43 ms. Allocated memory is still 679.0 MB. Free memory was 646.6 MB in the beginning and 643.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.28/6.61 * RCFGBuilder took 183.71 ms. Allocated memory is still 679.0 MB. Free memory was 643.5 MB in the beginning and 630.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.28/6.61 * BlockEncodingV2 took 69.86 ms. Allocated memory is still 679.0 MB. Free memory was 630.6 MB in the beginning and 625.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.28/6.61 * TraceAbstraction took 152.45 ms. Allocated memory is still 679.0 MB. Free memory was 625.2 MB in the beginning and 617.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 13.28/6.61 * BuchiAutomizer took 1307.21 ms. Allocated memory is still 679.0 MB. Free memory was 617.0 MB in the beginning and 518.6 MB in the end (delta: 98.4 MB). Peak memory consumption was 98.4 MB. Max. memory is 50.3 GB. 13.28/6.61 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 13.28/6.61 - GenericResult: Unfinished Backtranslation 13.28/6.61 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 - GenericResult: Unfinished Backtranslation 13.28/6.61 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 - GenericResult: Unfinished Backtranslation 13.28/6.61 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 - GenericResult: Unfinished Backtranslation 13.28/6.61 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 - GenericResult: Unfinished Backtranslation 13.28/6.61 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 - GenericResult: Unfinished Backtranslation 13.28/6.61 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 - GenericResult: Unfinished Backtranslation 13.28/6.61 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 - GenericResult: Unfinished Backtranslation 13.28/6.61 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 - GenericResult: Unfinished Backtranslation 13.28/6.61 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 - GenericResult: Unfinished Backtranslation 13.28/6.61 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.28/6.61 - AllSpecificationsHoldResult: All specifications hold 13.28/6.61 We were not able to verify any specifiation because the program does not contain any specification. 13.28/6.61 - InvariantResult [Line: 27]: Loop Invariant 13.28/6.61 Derived loop invariant: 1 13.28/6.61 - StatisticsResult: Ultimate Automizer benchmark data 13.28/6.61 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 13.28/6.61 - StatisticsResult: Constructed decomposition of program 13.28/6.61 Trivial decomposition into one nonterminating module. 13.28/6.61 - StatisticsResult: Timing statistics 13.28/6.61 BüchiAutomizer plugin needed 1.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf106 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq190 hnf92 smp100 dnf100 smp100 tf105 neg100 sie104 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 13.28/6.61 - TerminationAnalysisResult: Nontermination possible 13.28/6.61 Buchi Automizer proved that your program is nonterminating for some inputs 13.28/6.61 - GeometricNonTerminationArgumentResult [Line: 27]: Nontermination argument in form of an infinite program execution. 13.28/6.61 [2019-03-28 22:35:49,487 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,487 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,488 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,488 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,489 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,489 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,490 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,490 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,490 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,491 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,491 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,492 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,492 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,492 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,493 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,493 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,494 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,494 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 [2019-03-28 22:35:49,495 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.28/6.61 [2019-03-28 22:35:49,495 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.28/6.61 Nontermination argument in form of an infinite execution 13.28/6.61 {|ULTIMATE.start_main_#t~nondet0|=0, |ULTIMATE.start_main_#t~nondet1|=0, ~unnamed0~0~true=1, |ULTIMATE.start_main_#res|=0, |ULTIMATE.start_main_#t~nondet2|=0, ULTIMATE.start_main_~y~0=5, ~unnamed0~0~false=0, ULTIMATE.start_main_~z~0=-8, ULTIMATE.start_main_~x~0=-1} 13.28/6.61 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c6d1b3e=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dab3f92=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3187c81c=0, z=-8, ~unnamed0~0~false=0, x=-1, y=5} 13.28/6.61 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c6d1b3e=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dab3f92=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3187c81c=0, z=-10, ~unnamed0~0~false=0, x=-9, y=6} 13.28/6.61 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c6d1b3e=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dab3f92=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3187c81c=0, z=-12, ~unnamed0~0~false=0, x=-19, y=7} 13.28/6.61 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c6d1b3e=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dab3f92=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3187c81c=0, z=-14, ~unnamed0~0~false=0, x=-31, y=8} 13.28/6.61 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c6d1b3e=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dab3f92=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3187c81c=0, z=-16, ~unnamed0~0~false=0, x=-45, y=9} 13.28/6.61 - StatisticsResult: NonterminationArgumentStatistics 13.28/6.61 Unbounded Execution 3GEVs Lambdas: [1, 0, 1] Mus: [1, 1] 13.28/6.61 - NonterminatingLassoResult [Line: 27]: Nonterminating execution 13.28/6.61 Found a nonterminating execution for the following lasso shaped sequence of statements. 13.28/6.61 Stem: 13.28/6.61 [L23] int x, y, z; 13.28/6.61 [L24] x = __VERIFIER_nondet_int() 13.28/6.61 [L25] y = __VERIFIER_nondet_int() 13.28/6.61 [L26] z = __VERIFIER_nondet_int() 13.28/6.61 Loop: 13.28/6.61 [L27] COND TRUE x < 0 13.28/6.61 [L28] x = x + z 13.28/6.61 [L29] z = -2*y 13.28/6.61 [L30] y = y + 1 13.28/6.61 End of lasso representation. 13.28/6.61 RESULT: Ultimate proved your program to be incorrect! 13.28/6.61 !SESSION 2019-03-28 22:35:44.157 ----------------------------------------------- 13.28/6.61 eclipse.buildId=unknown 13.28/6.61 java.version=1.8.0_181 13.28/6.61 java.vendor=Oracle Corporation 13.28/6.61 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.28/6.61 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.28/6.61 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.28/6.61 13.28/6.61 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:35:49.720 13.28/6.61 !MESSAGE The workspace will exit with unsaved changes in this session. 13.28/6.61 Received shutdown request... 13.28/6.61 Ultimate: 13.28/6.61 GTK+ Version Check 13.28/6.61 EOF