NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-21 22:37:56,128 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-21 22:37:56,130 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-21 22:37:56,141 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-21 22:37:56,141 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-21 22:37:56,142 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-21 22:37:56,143 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-21 22:37:56,145 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-21 22:37:56,146 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-21 22:37:56,147 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-21 22:37:56,148 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-21 22:37:56,148 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-21 22:37:56,149 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-21 22:37:56,150 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-21 22:37:56,151 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-21 22:37:56,151 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-21 22:37:56,152 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-21 22:37:56,154 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-21 22:37:56,156 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-21 22:37:56,157 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-21 22:37:56,158 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-21 22:37:56,160 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-21 22:37:56,162 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-21 22:37:56,162 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-21 22:37:56,162 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-21 22:37:56,163 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-21 22:37:56,163 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-21 22:37:56,164 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-21 22:37:56,164 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-21 22:37:56,165 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-21 22:37:56,166 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-21 22:37:56,167 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-21 22:37:56,168 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-21 22:37:56,168 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-21 22:37:56,168 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-21 22:37:56,169 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-21 22:37:56,169 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-21 22:37:56,170 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-21 22:37:56,170 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-21 22:37:56,171 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-21 22:37:56,185 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-21 22:37:56,185 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-21 22:37:56,186 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-21 22:37:56,186 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-21 22:37:56,186 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-21 22:37:56,186 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-21 22:37:56,187 INFO L133 SettingsManager]: * Use SBE=true [2020-06-21 22:37:56,187 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-21 22:37:56,187 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-21 22:37:56,187 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-21 22:37:56,187 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-21 22:37:56,187 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-21 22:37:56,188 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-21 22:37:56,188 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-21 22:37:56,188 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:37:56,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-21 22:37:56,188 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-21 22:37:56,188 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-21 22:37:56,189 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-21 22:37:56,189 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-21 22:37:56,189 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-21 22:37:56,189 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-21 22:37:56,189 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-21 22:37:56,189 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-21 22:37:56,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-21 22:37:56,190 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-21 22:37:56,190 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-21 22:37:56,190 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-21 22:37:56,190 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-21 22:37:56,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-21 22:37:56,228 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-21 22:37:56,232 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-21 22:37:56,233 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-21 22:37:56,233 INFO L276 PluginConnector]: CDTParser initialized [2020-06-21 22:37:56,234 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-21 22:37:56,340 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/940000b4a579403282761786131e0334/FLAGc194cc023 [2020-06-21 22:37:56,793 INFO L307 CDTParser]: Found 1 translation units. [2020-06-21 22:37:56,794 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-21 22:37:56,800 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/940000b4a579403282761786131e0334/FLAGc194cc023 [2020-06-21 22:37:57,211 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/940000b4a579403282761786131e0334 [2020-06-21 22:37:57,223 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-21 22:37:57,224 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-21 22:37:57,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-21 22:37:57,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-21 22:37:57,229 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-21 22:37:57,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:37:57" (1/1) ... [2020-06-21 22:37:57,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38dc2e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57, skipping insertion in model container [2020-06-21 22:37:57,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:37:57" (1/1) ... [2020-06-21 22:37:57,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-21 22:37:57,258 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-21 22:37:57,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 22:37:57,419 INFO L191 MainTranslator]: Completed pre-run [2020-06-21 22:37:57,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 22:37:57,505 INFO L195 MainTranslator]: Completed translation [2020-06-21 22:37:57,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57 WrapperNode [2020-06-21 22:37:57,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-21 22:37:57,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-21 22:37:57,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-21 22:37:57,506 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-21 22:37:57,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57" (1/1) ... [2020-06-21 22:37:57,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57" (1/1) ... [2020-06-21 22:37:57,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-21 22:37:57,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-21 22:37:57,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-21 22:37:57,540 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-21 22:37:57,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57" (1/1) ... [2020-06-21 22:37:57,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57" (1/1) ... [2020-06-21 22:37:57,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57" (1/1) ... [2020-06-21 22:37:57,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57" (1/1) ... [2020-06-21 22:37:57,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57" (1/1) ... [2020-06-21 22:37:57,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57" (1/1) ... [2020-06-21 22:37:57,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57" (1/1) ... [2020-06-21 22:37:57,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-21 22:37:57,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-21 22:37:57,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-21 22:37:57,559 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-21 22:37:57,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57" (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 [2020-06-21 22:37:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-21 22:37:57,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-21 22:37:57,751 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-21 22:37:57,752 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-21 22:37:57,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:37:57 BoogieIcfgContainer [2020-06-21 22:37:57,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-21 22:37:57,754 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-21 22:37:57,754 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-21 22:37:57,756 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-21 22:37:57,757 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:37:57" (1/1) ... [2020-06-21 22:37:57,771 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-21 22:37:57,773 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-21 22:37:57,773 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-21 22:37:57,774 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-21 22:37:57,774 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-21 22:37:57,776 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-21 22:37:57,777 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-21 22:37:57,777 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-21 22:37:57,791 INFO L185 BlockEncoder]: Using Use SBE [2020-06-21 22:37:57,799 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-21 22:37:57,804 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-21 22:37:57,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 22:37:57,815 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-21 22:37:57,817 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-21 22:37:57,819 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 22:37:57,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 22:37:57,824 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-21 22:37:57,824 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 22:37:57,825 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 22:37:57,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 22:37:57,825 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-21 22:37:57,825 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 22:37:57,825 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-06-21 22:37:57,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:37:57 BasicIcfg [2020-06-21 22:37:57,826 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-21 22:37:57,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-21 22:37:57,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-21 22:37:57,830 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-21 22:37:57,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 10:37:57" (1/4) ... [2020-06-21 22:37:57,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297d6838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 10:37:57, skipping insertion in model container [2020-06-21 22:37:57,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57" (2/4) ... [2020-06-21 22:37:57,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297d6838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 10:37:57, skipping insertion in model container [2020-06-21 22:37:57,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:37:57" (3/4) ... [2020-06-21 22:37:57,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297d6838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:37:57, skipping insertion in model container [2020-06-21 22:37:57,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:37:57" (4/4) ... [2020-06-21 22:37:57,836 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 22:37:57,846 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-21 22:37:57,853 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-21 22:37:57,870 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-21 22:37:57,899 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 22:37:57,900 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-21 22:37:57,900 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-21 22:37:57,900 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 22:37:57,901 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 22:37:57,901 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 22:37:57,901 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-21 22:37:57,901 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 22:37:57,901 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-21 22:37:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-06-21 22:37:57,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-21 22:37:57,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-06-21 22:37:57,972 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 20) the Hoare annotation is: true [2020-06-21 22:37:57,972 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-21 22:37:57,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:37:57 BasicIcfg [2020-06-21 22:37:57,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-21 22:37:57,981 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-21 22:37:57,981 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-21 22:37:57,984 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-21 22:37:57,985 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:37:57,985 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.06 10:37:57" (1/5) ... [2020-06-21 22:37:57,986 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cbc79bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 10:37:57, skipping insertion in model container [2020-06-21 22:37:57,986 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:37:57,986 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:37:57" (2/5) ... [2020-06-21 22:37:57,987 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cbc79bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 10:37:57, skipping insertion in model container [2020-06-21 22:37:57,987 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:37:57,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:37:57" (3/5) ... [2020-06-21 22:37:57,988 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cbc79bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:37:57, skipping insertion in model container [2020-06-21 22:37:57,988 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:37:57,988 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:37:57" (4/5) ... [2020-06-21 22:37:57,988 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cbc79bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:37:57, skipping insertion in model container [2020-06-21 22:37:57,988 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:37:57,990 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:37:57" (5/5) ... [2020-06-21 22:37:57,991 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 22:37:58,019 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 22:37:58,020 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-21 22:37:58,020 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-21 22:37:58,020 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 22:37:58,020 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 22:37:58,020 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 22:37:58,020 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-21 22:37:58,020 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 22:37:58,021 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-21 22:37:58,025 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-21 22:37:58,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 22:37:58,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:37:58,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:37:58,047 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:37:58,047 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-21 22:37:58,048 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-21 22:37:58,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-21 22:37:58,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 22:37:58,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:37:58,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:37:58,049 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:37:58,049 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-21 22:37:58,054 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L17-2: Formula: (<= 0 (+ v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_10)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true [2020-06-21 22:37:58,054 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [26] L17-2-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 1)) (< 0 v_ULTIMATE.start_main_~x~0_10) (= v_ULTIMATE.start_main_~x~0_9 (+ (* 2 v_ULTIMATE.start_main_~x~0_10) v_ULTIMATE.start_main_~y~0_9))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true [2020-06-21 22:37:58,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:37:58,061 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2020-06-21 22:37:58,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:37:58,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:37:58,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:37:58,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:37:58,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:37:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:37:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:37:58,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:37:58,130 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2020-06-21 22:37:58,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:37:58,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:37:58,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:37:58,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:37:58,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:37:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:37:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:37:58,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:37:58,142 INFO L82 PathProgramCache]: Analyzing trace with hash 2134, now seen corresponding path program 1 times [2020-06-21 22:37:58,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:37:58,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:37:58,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:37:58,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:37:58,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:37:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:37:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:37:58,203 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:37:58,204 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:37:58,204 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:37:58,205 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:37:58,205 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:37:58,205 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:37:58,205 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:37:58,205 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:37:58,205 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-21 22:37:58,206 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:37:58,206 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:37:58,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:37:58,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:37:58,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:37:58,348 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:37:58,349 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 [2020-06-21 22:37:58,357 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:37:58,357 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 [2020-06-21 22:37:58,392 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:37:58,393 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:37:58,474 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:37:58,474 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=-8, ULTIMATE.start_main_~x~0=15} Honda state: {ULTIMATE.start_main_~y~0=-8, ULTIMATE.start_main_~x~0=15} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=2, ULTIMATE.start_main_~x~0=2}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=4}] Lambdas: [1, 1, 2] 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 [2020-06-21 22:37:58,503 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:37:58,503 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:37:58,531 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:37:58,532 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: [] 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 [2020-06-21 22:37:58,538 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:37:58,538 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:37:58,565 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:37:58,566 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: [] [2020-06-21 22:37:58,574 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:37:58,574 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:37:58,574 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:37:58,574 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:37:58,575 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:37:58,575 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:37:58,575 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:37:58,575 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:37:58,575 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-21 22:37:58,575 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:37:58,575 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:37:58,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:37:58,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:37:58,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:37:58,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:37:58,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:37:58,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:37:58,700 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:37:58,700 INFO L412 LassoAnalysis]: Checking for nontermination... 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 [2020-06-21 22:37:58,706 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:37:58,706 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:37:58,711 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:37:58,711 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 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 [2020-06-21 22:37:58,744 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:37:58,744 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:37:58,772 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:37:58,773 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: [] 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 [2020-06-21 22:37:58,779 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:37:58,779 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:37:58,783 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:37:58,784 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 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 [2020-06-21 22:37:58,816 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:37:58,816 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 [2020-06-21 22:37:58,851 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:37:58,851 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:37:58,916 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:37:58,916 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=-6, ULTIMATE.start_main_~x~0=13} 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=3}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=4}] Lambdas: [8, 1, 2] Nus: [0, 1] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:37:58,945 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:37:58,946 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:37:58,950 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:37:58,950 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 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:37:58,982 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:37:58,982 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:37:59,011 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:37:59,011 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: [] [2020-06-21 22:37:59,023 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,027 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,027 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:37:59 BasicIcfg [2020-06-21 22:37:59,040 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-21 22:37:59,040 INFO L168 Benchmark]: Toolchain (without parser) took 1817.18 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 558.8 MB in the beginning and 518.7 MB in the end (delta: 40.1 MB). Peak memory consumption was 66.3 MB. Max. memory is 50.3 GB. [2020-06-21 22:37:59,042 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-21 22:37:59,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.56 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 558.8 MB in the beginning and 643.5 MB in the end (delta: -84.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. [2020-06-21 22:37:59,043 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.29 ms. Allocated memory is still 675.8 MB. Free memory was 642.2 MB in the beginning and 640.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-21 22:37:59,044 INFO L168 Benchmark]: Boogie Preprocessor took 18.72 ms. Allocated memory is still 675.8 MB. Free memory was 640.8 MB in the beginning and 637.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-21 22:37:59,045 INFO L168 Benchmark]: RCFGBuilder took 194.85 ms. Allocated memory is still 675.8 MB. Free memory was 637.7 MB in the beginning and 626.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 50.3 GB. [2020-06-21 22:37:59,045 INFO L168 Benchmark]: BlockEncodingV2 took 72.42 ms. Allocated memory is still 675.8 MB. Free memory was 626.0 MB in the beginning and 620.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-21 22:37:59,046 INFO L168 Benchmark]: TraceAbstraction took 153.44 ms. Allocated memory is still 675.8 MB. Free memory was 620.6 MB in the beginning and 611.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. [2020-06-21 22:37:59,046 INFO L168 Benchmark]: BuchiAutomizer took 1058.61 ms. Allocated memory is still 675.8 MB. Free memory was 611.2 MB in the beginning and 518.7 MB in the end (delta: 92.5 MB). Peak memory consumption was 92.5 MB. Max. memory is 50.3 GB. [2020-06-21 22:37:59,051 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 280.56 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 558.8 MB in the beginning and 643.5 MB in the end (delta: -84.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.29 ms. Allocated memory is still 675.8 MB. Free memory was 642.2 MB in the beginning and 640.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.72 ms. Allocated memory is still 675.8 MB. Free memory was 640.8 MB in the beginning and 637.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 194.85 ms. Allocated memory is still 675.8 MB. Free memory was 637.7 MB in the beginning and 626.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 72.42 ms. Allocated memory is still 675.8 MB. Free memory was 626.0 MB in the beginning and 620.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 153.44 ms. Allocated memory is still 675.8 MB. Free memory was 620.6 MB in the beginning and 611.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1058.61 ms. Allocated memory is still 675.8 MB. Free memory was 611.2 MB in the beginning and 518.7 MB in the end (delta: 92.5 MB). Peak memory consumption was 92.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * 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: 17]: 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 1.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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: inital19 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq174 hnf93 smp100 dnf100 smp100 tf103 neg100 sie106 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 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: 17]: Nontermination argument in form of an infinite program execution. [2020-06-21 22:37:59,061 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,062 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,062 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,063 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,063 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,063 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,064 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,064 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,064 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,065 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,065 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,065 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,066 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,066 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,067 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,067 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,067 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,068 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:37:59,068 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:37:59,068 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution {|ULTIMATE.start_main_#t~nondet0|=0, ~unnamed0~0~false=0, |ULTIMATE.start_main_#t~nondet1|=0, ~unnamed0~0~true=1, |ULTIMATE.start_main_#res|=0, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@213c09ca=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c109e3c=0, ~unnamed0~0~false=0, x=13, y=-6} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@213c09ca=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c109e3c=0, ~unnamed0~0~false=0, x=20, y=-5} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@213c09ca=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c109e3c=0, ~unnamed0~0~false=0, x=35, y=-4} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@213c09ca=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c109e3c=0, ~unnamed0~0~false=0, x=66, y=-3} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@213c09ca=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c109e3c=0, ~unnamed0~0~false=0, x=129, y=-2} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [8, 1, 2] Mus: [0, 1] - NonterminatingLassoResult [Line: 17]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int x; [L13] int y; [L14] x = __VERIFIER_nondet_int() [L15] y = __VERIFIER_nondet_int() [L16] COND TRUE x + y >= 0 Loop: [L17] COND TRUE x > 0 [L18] x = x + x + y [L19] y = y + 1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-21 22:37:53.784 ----------------------------------------------- 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.core.resources 2 10035 2020-06-21 22:37:59.304 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check