NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 02:46:26,268 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 02:46:26,270 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 02:46:26,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 02:46:26,282 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 02:46:26,283 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 02:46:26,284 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 02:46:26,286 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 02:46:26,288 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 02:46:26,288 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 02:46:26,289 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 02:46:26,289 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 02:46:26,290 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 02:46:26,291 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 02:46:26,292 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 02:46:26,293 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 02:46:26,294 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 02:46:26,296 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 02:46:26,297 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 02:46:26,299 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 02:46:26,300 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 02:46:26,301 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 02:46:26,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 02:46:26,303 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 02:46:26,304 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 02:46:26,304 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 02:46:26,305 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 02:46:26,306 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 02:46:26,306 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 02:46:26,306 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 02:46:26,307 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 02:46:26,308 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 02:46:26,309 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 02:46:26,309 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 02:46:26,309 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 02:46:26,310 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 02:46:26,310 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 02:46:26,311 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 02:46:26,311 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 02:46:26,312 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 02:46:26,326 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 02:46:26,326 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 02:46:26,327 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 02:46:26,327 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 02:46:26,328 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 02:46:26,328 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 02:46:26,328 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 02:46:26,328 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 02:46:26,328 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 02:46:26,329 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 02:46:26,329 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 02:46:26,329 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 02:46:26,329 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 02:46:26,329 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 02:46:26,330 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:26,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 02:46:26,330 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 02:46:26,330 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 02:46:26,330 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 02:46:26,330 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 02:46:26,331 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 02:46:26,331 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 02:46:26,331 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 02:46:26,331 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 02:46:26,331 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 02:46:26,332 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 02:46:26,332 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 02:46:26,332 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 02:46:26,332 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 02:46:26,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 02:46:26,371 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 02:46:26,374 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 02:46:26,375 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 02:46:26,376 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 02:46:26,377 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 02:46:26,444 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/d1a84570077e493abdeffd8e761e8eb1/FLAG90f95fe00 !SESSION 2020-06-22 02:46:23.929 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.cdt.core 1 0 2020-06-22 02:46:26.708 !MESSAGE Indexed 'FLAG90f95fe00' (0 sources, 0 headers) in 0.006 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) [2020-06-22 02:46:26,781 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 02:46:26,781 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 02:46:26,788 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/d1a84570077e493abdeffd8e761e8eb1/FLAG90f95fe00 [2020-06-22 02:46:27,227 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/d1a84570077e493abdeffd8e761e8eb1 [2020-06-22 02:46:27,239 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 02:46:27,240 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 02:46:27,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 02:46:27,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 02:46:27,245 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 02:46:27,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 02:46:27" (1/1) ... [2020-06-22 02:46:27,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fddac22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27, skipping insertion in model container [2020-06-22 02:46:27,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 02:46:27" (1/1) ... [2020-06-22 02:46:27,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 02:46:27,273 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 02:46:27,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 02:46:27,430 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 02:46:27,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 02:46:27,509 INFO L195 MainTranslator]: Completed translation [2020-06-22 02:46:27,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27 WrapperNode [2020-06-22 02:46:27,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 02:46:27,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 02:46:27,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 02:46:27,511 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 02:46:27,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27" (1/1) ... [2020-06-22 02:46:27,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27" (1/1) ... [2020-06-22 02:46:27,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 02:46:27,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 02:46:27,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 02:46:27,544 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 02:46:27,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27" (1/1) ... [2020-06-22 02:46:27,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27" (1/1) ... [2020-06-22 02:46:27,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27" (1/1) ... [2020-06-22 02:46:27,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27" (1/1) ... [2020-06-22 02:46:27,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27" (1/1) ... [2020-06-22 02:46:27,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27" (1/1) ... [2020-06-22 02:46:27,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27" (1/1) ... [2020-06-22 02:46:27,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 02:46:27,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 02:46:27,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 02:46:27,562 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 02:46:27,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 02:46:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 02:46:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 02:46:27,747 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 02:46:27,747 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 02:46:27,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:46:27 BoogieIcfgContainer [2020-06-22 02:46:27,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 02:46:27,749 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 02:46:27,749 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 02:46:27,752 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 02:46:27,752 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:46:27" (1/1) ... [2020-06-22 02:46:27,766 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2020-06-22 02:46:27,768 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 02:46:27,769 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 02:46:27,769 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 02:46:27,770 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 02:46:27,772 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 02:46:27,773 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 02:46:27,773 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 02:46:27,786 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 02:46:27,794 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 02:46:27,799 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 02:46:27,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 02:46:27,812 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-22 02:46:27,814 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 02:46:27,815 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 02:46:27,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 02:46:27,816 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 02:46:27,816 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 02:46:27,816 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-06-22 02:46:27,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:46:27 BasicIcfg [2020-06-22 02:46:27,817 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 02:46:27,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 02:46:27,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 02:46:27,821 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 02:46:27,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 02:46:27" (1/4) ... [2020-06-22 02:46:27,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a74ab89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:46:27, skipping insertion in model container [2020-06-22 02:46:27,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27" (2/4) ... [2020-06-22 02:46:27,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a74ab89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:46:27, skipping insertion in model container [2020-06-22 02:46:27,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:46:27" (3/4) ... [2020-06-22 02:46:27,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a74ab89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:46:27, skipping insertion in model container [2020-06-22 02:46:27,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:46:27" (4/4) ... [2020-06-22 02:46:27,826 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 02:46:27,835 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 02:46:27,842 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 02:46:27,859 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 02:46:27,888 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 02:46:27,889 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 02:46:27,889 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 02:46:27,889 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 02:46:27,889 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 02:46:27,889 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 02:46:27,889 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 02:46:27,890 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 02:46:27,890 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 02:46:27,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-06-22 02:46:27,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 02:46:27,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-06-22 02:46:27,961 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 02:46:27,962 INFO L451 ceAbstractionStarter]: At program point L23-2(lines 23 26) the Hoare annotation is: true [2020-06-22 02:46:27,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:46:27 BasicIcfg [2020-06-22 02:46:27,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 02:46:27,971 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 02:46:27,971 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 02:46:27,974 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 02:46:27,975 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:46:27,975 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 02:46:27" (1/5) ... [2020-06-22 02:46:27,976 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@709ccedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 02:46:27, skipping insertion in model container [2020-06-22 02:46:27,976 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:46:27,976 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:46:27" (2/5) ... [2020-06-22 02:46:27,976 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@709ccedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 02:46:27, skipping insertion in model container [2020-06-22 02:46:27,977 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:46:27,977 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:46:27" (3/5) ... [2020-06-22 02:46:27,977 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@709ccedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:46:27, skipping insertion in model container [2020-06-22 02:46:27,977 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:46:27,977 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:46:27" (4/5) ... [2020-06-22 02:46:27,978 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@709ccedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:46:27, skipping insertion in model container [2020-06-22 02:46:27,978 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:46:27,978 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:46:27" (5/5) ... [2020-06-22 02:46:27,980 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 02:46:28,007 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 02:46:28,007 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 02:46:28,007 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 02:46:28,007 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 02:46:28,007 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 02:46:28,007 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 02:46:28,008 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 02:46:28,008 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 02:46:28,008 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 02:46:28,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-22 02:46:28,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 02:46:28,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 02:46:28,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 02:46:28,033 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 02:46:28,033 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 02:46:28,033 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 02:46:28,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-22 02:46:28,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 02:46:28,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 02:46:28,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 02:46:28,034 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 02:46:28,034 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 02:46:28,039 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L23-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~x~0] 3#L23-2true [2020-06-22 02:46:28,040 INFO L796 eck$LassoCheckResult]: Loop: 3#L23-2true [20] L23-2-->L23-2: Formula: (and (= (+ v_ULTIMATE.start_main_~y~0_5 1) v_ULTIMATE.start_main_~y~0_4) (= v_ULTIMATE.start_main_~x~0_5 (- v_ULTIMATE.start_main_~y~0_5)) (< v_ULTIMATE.start_main_~x~0_6 10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~x~0] 3#L23-2true [2020-06-22 02:46:28,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:46:28,046 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times [2020-06-22 02:46:28,048 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:46:28,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:46:28,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:46:28,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:46:28,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:46:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:46:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:46:28,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:46:28,109 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2020-06-22 02:46:28,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:46:28,109 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:46:28,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:46:28,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:46:28,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:46:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:46:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:46:28,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:46:28,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1632, now seen corresponding path program 1 times [2020-06-22 02:46:28,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:46:28,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:46:28,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:46:28,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:46:28,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:46:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:46:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:46:28,188 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 02:46:28,189 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 02:46:28,189 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 02:46:28,189 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 02:46:28,189 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 02:46:28,189 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:28,190 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 02:46:28,190 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 02:46:28,190 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 02:46:28,190 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 02:46:28,190 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 02:46:28,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:46:28,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:46:28,278 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 02:46:28,279 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:28,286 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:46:28,287 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:28,320 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 02:46:28,321 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:46:28,420 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:46:28,420 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=10, ULTIMATE.start_main_~x~0=-9} Honda state: {ULTIMATE.start_main_~y~0=10, ULTIMATE.start_main_~x~0=-9} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=1, ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}] Lambdas: [8, 1, 0] Nus: [0, 1] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:28,450 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:46:28,450 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:46:28,455 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:46:28,455 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 02:46:28,489 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 02:46:28,489 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 02:46:28,490 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 02:46:28,490 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 02:46:28,490 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 02:46:28,490 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:28,490 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 02:46:28,490 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 02:46:28,490 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 02:46:28,490 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 02:46:28,491 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 02:46:28,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:46:28,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:46:28,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:46:28,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:46:28,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:46:28,609 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 02:46:28,609 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:28,614 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:46:28,614 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:46:28,618 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:46:28,618 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:28,647 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:46:28,647 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:46:28,651 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:46:28,651 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:28,681 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:46:28,681 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:46:28,685 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:46:28,685 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:28,713 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:46:28,714 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:46:28,717 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:46:28,718 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:28,746 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:46:28,746 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:46:28,778 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 02:46:28,779 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:46:28,868 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:46:28,868 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-9, ULTIMATE.start_main_~y~0=10} Honda state: {ULTIMATE.start_main_~x~0=-9, ULTIMATE.start_main_~y~0=10} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0}, {ULTIMATE.start_main_~x~0=-1, ULTIMATE.start_main_~y~0=1}, {ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0}] Lambdas: [8, 1, 0] Nus: [0, 1] [2020-06-22 02:46:28,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:46:28 BasicIcfg [2020-06-22 02:46:28,912 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 02:46:28,913 INFO L168 Benchmark]: Toolchain (without parser) took 1673.70 ms. Allocated memory was 514.9 MB in the beginning and 570.9 MB in the end (delta: 56.1 MB). Free memory was 437.1 MB in the beginning and 457.7 MB in the end (delta: -20.6 MB). Peak memory consumption was 35.5 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:28,915 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 459.5 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 02:46:28,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.27 ms. Allocated memory was 514.9 MB in the beginning and 570.9 MB in the end (delta: 56.1 MB). Free memory was 436.4 MB in the beginning and 541.8 MB in the end (delta: -105.4 MB). Peak memory consumption was 29.1 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:28,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.89 ms. Allocated memory is still 570.9 MB. Free memory was 541.8 MB in the beginning and 540.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:28,916 INFO L168 Benchmark]: Boogie Preprocessor took 17.92 ms. Allocated memory is still 570.9 MB. Free memory was 540.2 MB in the beginning and 539.3 MB in the end (delta: 831.4 kB). Peak memory consumption was 831.4 kB. Max. memory is 50.3 GB. [2020-06-22 02:46:28,917 INFO L168 Benchmark]: RCFGBuilder took 186.88 ms. Allocated memory is still 570.9 MB. Free memory was 539.3 MB in the beginning and 528.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:28,918 INFO L168 Benchmark]: BlockEncodingV2 took 67.48 ms. Allocated memory is still 570.9 MB. Free memory was 528.7 MB in the beginning and 524.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:28,918 INFO L168 Benchmark]: TraceAbstraction took 152.31 ms. Allocated memory is still 570.9 MB. Free memory was 523.8 MB in the beginning and 515.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:28,919 INFO L168 Benchmark]: BuchiAutomizer took 941.75 ms. Allocated memory is still 570.9 MB. Free memory was 515.3 MB in the beginning and 457.7 MB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 50.3 GB. [2020-06-22 02:46:28,923 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 6 locations, 7 edges - StatisticsResult: Encoded RCFG 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 459.5 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 269.27 ms. Allocated memory was 514.9 MB in the beginning and 570.9 MB in the end (delta: 56.1 MB). Free memory was 436.4 MB in the beginning and 541.8 MB in the end (delta: -105.4 MB). Peak memory consumption was 29.1 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.89 ms. Allocated memory is still 570.9 MB. Free memory was 541.8 MB in the beginning and 540.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.92 ms. Allocated memory is still 570.9 MB. Free memory was 540.2 MB in the beginning and 539.3 MB in the end (delta: 831.4 kB). Peak memory consumption was 831.4 kB. Max. memory is 50.3 GB. * RCFGBuilder took 186.88 ms. Allocated memory is still 570.9 MB. Free memory was 539.3 MB in the beginning and 528.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 67.48 ms. Allocated memory is still 570.9 MB. Free memory was 528.7 MB in the beginning and 524.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 50.3 GB. * TraceAbstraction took 152.31 ms. Allocated memory is still 570.9 MB. Free memory was 523.8 MB in the beginning and 515.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 941.75 ms. Allocated memory is still 570.9 MB. Free memory was 515.3 MB in the beginning and 457.7 MB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data 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 - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: inital14 mio100 ax100 hnf107 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 23]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution {|ULTIMATE.start_main_#t~nondet0|=0, ULTIMATE.start_main_~y~0=10, |ULTIMATE.start_main_#t~nondet1|=0, |ULTIMATE.start_main_#t~post2|=0, ULTIMATE.start_main_~x~0=-9, |ULTIMATE.start_main_#res|=0} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57f9e536=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41c87ab4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@5d0450a3=0, x=-9, y=10} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57f9e536=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41c87ab4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@5d0450a3=0, x=-10, y=11} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57f9e536=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41c87ab4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@5d0450a3=0, x=-11, y=12} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57f9e536=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41c87ab4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@5d0450a3=0, x=-12, y=13} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57f9e536=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41c87ab4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@5d0450a3=0, x=-13, y=14} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 1GEVs Lambdas: [8, 1, 0] Mus: [0, 1] - NonterminatingLassoResult [Line: 23]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L21] int x = __VERIFIER_nondet_int(); [L22] int y = __VERIFIER_nondet_int(); Loop: [L23] COND TRUE x < 10 [L24] x = -y [L25] y++ End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 02:46:29.156 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check