14.11/6.68 YES 14.11/6.68 14.11/6.68 Ultimate: Cannot open display: 14.11/6.68 This is Ultimate 0.1.24-8dc7c08-m 14.11/6.68 [2019-03-28 22:58:15,561 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.11/6.68 [2019-03-28 22:58:15,563 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.11/6.68 [2019-03-28 22:58:15,575 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.11/6.68 [2019-03-28 22:58:15,575 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.11/6.68 [2019-03-28 22:58:15,576 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.11/6.68 [2019-03-28 22:58:15,577 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.11/6.68 [2019-03-28 22:58:15,579 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.11/6.68 [2019-03-28 22:58:15,580 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.11/6.68 [2019-03-28 22:58:15,581 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.11/6.68 [2019-03-28 22:58:15,582 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.11/6.68 [2019-03-28 22:58:15,582 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.11/6.68 [2019-03-28 22:58:15,583 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.11/6.68 [2019-03-28 22:58:15,584 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.11/6.68 [2019-03-28 22:58:15,585 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.11/6.68 [2019-03-28 22:58:15,586 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.11/6.68 [2019-03-28 22:58:15,586 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.11/6.68 [2019-03-28 22:58:15,588 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.11/6.68 [2019-03-28 22:58:15,590 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.11/6.68 [2019-03-28 22:58:15,592 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.11/6.68 [2019-03-28 22:58:15,593 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.11/6.68 [2019-03-28 22:58:15,594 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.11/6.68 [2019-03-28 22:58:15,596 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.11/6.68 [2019-03-28 22:58:15,596 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.11/6.68 [2019-03-28 22:58:15,596 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.11/6.68 [2019-03-28 22:58:15,597 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.11/6.68 [2019-03-28 22:58:15,597 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.11/6.68 [2019-03-28 22:58:15,598 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.11/6.68 [2019-03-28 22:58:15,598 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.11/6.68 [2019-03-28 22:58:15,599 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.11/6.68 [2019-03-28 22:58:15,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.11/6.68 [2019-03-28 22:58:15,600 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.11/6.68 [2019-03-28 22:58:15,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.11/6.68 [2019-03-28 22:58:15,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.11/6.68 [2019-03-28 22:58:15,602 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.11/6.68 [2019-03-28 22:58:15,602 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.11/6.68 [2019-03-28 22:58:15,603 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.11/6.68 [2019-03-28 22:58:15,604 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.11/6.68 [2019-03-28 22:58:15,604 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.11/6.68 [2019-03-28 22:58:15,605 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 14.11/6.68 [2019-03-28 22:58:15,619 INFO L110 SettingsManager]: Loading preferences was successful 14.11/6.68 [2019-03-28 22:58:15,619 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.11/6.68 [2019-03-28 22:58:15,620 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.11/6.68 [2019-03-28 22:58:15,620 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.11/6.68 [2019-03-28 22:58:15,620 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.11/6.68 [2019-03-28 22:58:15,621 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.11/6.68 [2019-03-28 22:58:15,621 INFO L133 SettingsManager]: * Use SBE=true 14.11/6.68 [2019-03-28 22:58:15,621 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.11/6.68 [2019-03-28 22:58:15,621 INFO L133 SettingsManager]: * Use old map elimination=false 14.11/6.68 [2019-03-28 22:58:15,621 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.11/6.68 [2019-03-28 22:58:15,621 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.11/6.68 [2019-03-28 22:58:15,622 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.11/6.68 [2019-03-28 22:58:15,622 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.11/6.68 [2019-03-28 22:58:15,622 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.11/6.68 [2019-03-28 22:58:15,622 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.68 [2019-03-28 22:58:15,622 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.11/6.68 [2019-03-28 22:58:15,623 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.11/6.68 [2019-03-28 22:58:15,623 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.11/6.68 [2019-03-28 22:58:15,623 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.11/6.68 [2019-03-28 22:58:15,623 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.11/6.68 [2019-03-28 22:58:15,623 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.11/6.68 [2019-03-28 22:58:15,623 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.11/6.68 [2019-03-28 22:58:15,624 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.11/6.68 [2019-03-28 22:58:15,624 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.11/6.68 [2019-03-28 22:58:15,624 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.11/6.68 [2019-03-28 22:58:15,624 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.11/6.68 [2019-03-28 22:58:15,624 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.11/6.68 [2019-03-28 22:58:15,624 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.11/6.68 [2019-03-28 22:58:15,625 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.11/6.68 [2019-03-28 22:58:15,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.11/6.68 [2019-03-28 22:58:15,663 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.11/6.68 [2019-03-28 22:58:15,666 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.11/6.68 [2019-03-28 22:58:15,668 INFO L271 PluginConnector]: Initializing CDTParser... 14.11/6.68 [2019-03-28 22:58:15,668 INFO L276 PluginConnector]: CDTParser initialized 14.11/6.68 [2019-03-28 22:58:15,669 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 14.11/6.68 [2019-03-28 22:58:15,733 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/e468e8524e8f494b980ddc8a99d08b2c/FLAG090595b03 14.11/6.68 [2019-03-28 22:58:16,077 INFO L307 CDTParser]: Found 1 translation units. 14.11/6.68 [2019-03-28 22:58:16,078 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 14.11/6.68 [2019-03-28 22:58:16,085 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/e468e8524e8f494b980ddc8a99d08b2c/FLAG090595b03 14.11/6.68 [2019-03-28 22:58:16,525 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/e468e8524e8f494b980ddc8a99d08b2c 14.11/6.68 [2019-03-28 22:58:16,537 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.11/6.68 [2019-03-28 22:58:16,538 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.11/6.68 [2019-03-28 22:58:16,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.11/6.68 [2019-03-28 22:58:16,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.11/6.68 [2019-03-28 22:58:16,543 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.11/6.68 [2019-03-28 22:58:16,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:58:16" (1/1) ... 14.11/6.68 [2019-03-28 22:58:16,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e0f1e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16, skipping insertion in model container 14.11/6.68 [2019-03-28 22:58:16,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:58:16" (1/1) ... 14.11/6.68 [2019-03-28 22:58:16,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.11/6.68 [2019-03-28 22:58:16,571 INFO L176 MainTranslator]: Built tables and reachable declarations 14.11/6.68 [2019-03-28 22:58:16,725 INFO L206 PostProcessor]: Analyzing one entry point: main 14.11/6.68 [2019-03-28 22:58:16,729 INFO L191 MainTranslator]: Completed pre-run 14.11/6.68 [2019-03-28 22:58:16,745 INFO L206 PostProcessor]: Analyzing one entry point: main 14.11/6.68 [2019-03-28 22:58:16,813 INFO L195 MainTranslator]: Completed translation 14.11/6.68 [2019-03-28 22:58:16,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16 WrapperNode 14.11/6.68 [2019-03-28 22:58:16,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.11/6.68 [2019-03-28 22:58:16,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.11/6.68 [2019-03-28 22:58:16,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.11/6.68 [2019-03-28 22:58:16,815 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.11/6.68 [2019-03-28 22:58:16,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16" (1/1) ... 14.11/6.68 [2019-03-28 22:58:16,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16" (1/1) ... 14.11/6.68 [2019-03-28 22:58:16,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.11/6.68 [2019-03-28 22:58:16,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.11/6.68 [2019-03-28 22:58:16,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.11/6.68 [2019-03-28 22:58:16,850 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.11/6.68 [2019-03-28 22:58:16,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16" (1/1) ... 14.11/6.68 [2019-03-28 22:58:16,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16" (1/1) ... 14.11/6.68 [2019-03-28 22:58:16,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16" (1/1) ... 14.11/6.68 [2019-03-28 22:58:16,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16" (1/1) ... 14.11/6.68 [2019-03-28 22:58:16,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16" (1/1) ... 14.11/6.68 [2019-03-28 22:58:16,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16" (1/1) ... 14.11/6.68 [2019-03-28 22:58:16,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16" (1/1) ... 14.11/6.68 [2019-03-28 22:58:16,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.11/6.68 [2019-03-28 22:58:16,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.11/6.68 [2019-03-28 22:58:16,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.11/6.68 [2019-03-28 22:58:16,869 INFO L276 PluginConnector]: RCFGBuilder initialized 14.11/6.68 [2019-03-28 22:58:16,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16" (1/1) ... 14.11/6.68 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.11/6.68 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.11/6.68 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.11/6.68 [2019-03-28 22:58:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.11/6.68 [2019-03-28 22:58:16,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.11/6.68 [2019-03-28 22:58:17,061 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.11/6.68 [2019-03-28 22:58:17,061 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.11/6.68 [2019-03-28 22:58:17,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:58:17 BoogieIcfgContainer 14.11/6.68 [2019-03-28 22:58:17,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.11/6.68 [2019-03-28 22:58:17,063 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.11/6.68 [2019-03-28 22:58:17,063 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.11/6.68 [2019-03-28 22:58:17,065 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.11/6.68 [2019-03-28 22:58:17,066 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:58:17" (1/1) ... 14.11/6.68 [2019-03-28 22:58:17,080 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 14.11/6.68 [2019-03-28 22:58:17,081 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.11/6.68 [2019-03-28 22:58:17,082 INFO L263 BlockEncoder]: Using Maximize final states 14.11/6.68 [2019-03-28 22:58:17,083 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.11/6.68 [2019-03-28 22:58:17,083 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.11/6.68 [2019-03-28 22:58:17,085 INFO L296 BlockEncoder]: Using Remove sink states 14.11/6.68 [2019-03-28 22:58:17,086 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.11/6.68 [2019-03-28 22:58:17,086 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.11/6.68 [2019-03-28 22:58:17,100 INFO L185 BlockEncoder]: Using Use SBE 14.11/6.68 [2019-03-28 22:58:17,115 INFO L200 BlockEncoder]: SBE split 2 edges 14.11/6.68 [2019-03-28 22:58:17,120 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.11/6.68 [2019-03-28 22:58:17,121 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.11/6.68 [2019-03-28 22:58:17,131 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 14.11/6.68 [2019-03-28 22:58:17,133 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 14.11/6.68 [2019-03-28 22:58:17,134 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.11/6.68 [2019-03-28 22:58:17,134 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.11/6.68 [2019-03-28 22:58:17,135 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.11/6.68 [2019-03-28 22:58:17,135 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.11/6.68 [2019-03-28 22:58:17,135 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 14.11/6.68 [2019-03-28 22:58:17,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:58:17 BasicIcfg 14.11/6.68 [2019-03-28 22:58:17,136 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.11/6.68 [2019-03-28 22:58:17,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.11/6.68 [2019-03-28 22:58:17,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.11/6.68 [2019-03-28 22:58:17,140 INFO L276 PluginConnector]: TraceAbstraction initialized 14.11/6.68 [2019-03-28 22:58:17,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:58:16" (1/4) ... 14.11/6.68 [2019-03-28 22:58:17,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9be5ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:58:17, skipping insertion in model container 14.11/6.68 [2019-03-28 22:58:17,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16" (2/4) ... 14.11/6.68 [2019-03-28 22:58:17,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9be5ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:58:17, skipping insertion in model container 14.11/6.68 [2019-03-28 22:58:17,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:58:17" (3/4) ... 14.11/6.68 [2019-03-28 22:58:17,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9be5ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:58:17, skipping insertion in model container 14.11/6.68 [2019-03-28 22:58:17,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:58:17" (4/4) ... 14.11/6.68 [2019-03-28 22:58:17,144 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.11/6.68 [2019-03-28 22:58:17,154 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.11/6.68 [2019-03-28 22:58:17,162 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.11/6.68 [2019-03-28 22:58:17,179 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.11/6.68 [2019-03-28 22:58:17,207 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.11/6.68 [2019-03-28 22:58:17,208 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.11/6.68 [2019-03-28 22:58:17,208 INFO L383 AbstractCegarLoop]: Hoare is true 14.11/6.68 [2019-03-28 22:58:17,208 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.11/6.68 [2019-03-28 22:58:17,208 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.11/6.68 [2019-03-28 22:58:17,208 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.11/6.68 [2019-03-28 22:58:17,209 INFO L387 AbstractCegarLoop]: Difference is false 14.11/6.68 [2019-03-28 22:58:17,209 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.11/6.68 [2019-03-28 22:58:17,209 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.11/6.68 [2019-03-28 22:58:17,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.11/6.68 [2019-03-28 22:58:17,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.11/6.68 [2019-03-28 22:58:17,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.11/6.68 [2019-03-28 22:58:17,280 INFO L451 ceAbstractionStarter]: At program point L18-2(lines 17 24) the Hoare annotation is: true 14.11/6.68 [2019-03-28 22:58:17,281 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.11/6.68 [2019-03-28 22:58:17,281 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 23) no Hoare annotation was computed. 14.11/6.68 [2019-03-28 22:58:17,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:58:17 BasicIcfg 14.11/6.69 [2019-03-28 22:58:17,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.11/6.69 [2019-03-28 22:58:17,290 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.11/6.69 [2019-03-28 22:58:17,290 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.11/6.69 [2019-03-28 22:58:17,293 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.11/6.69 [2019-03-28 22:58:17,294 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.11/6.69 [2019-03-28 22:58:17,294 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:58:16" (1/5) ... 14.11/6.69 [2019-03-28 22:58:17,295 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66dd4a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:58:17, skipping insertion in model container 14.11/6.69 [2019-03-28 22:58:17,295 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.11/6.69 [2019-03-28 22:58:17,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:16" (2/5) ... 14.11/6.69 [2019-03-28 22:58:17,295 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66dd4a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:58:17, skipping insertion in model container 14.11/6.69 [2019-03-28 22:58:17,296 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.11/6.69 [2019-03-28 22:58:17,296 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:58:17" (3/5) ... 14.11/6.69 [2019-03-28 22:58:17,296 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66dd4a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:58:17, skipping insertion in model container 14.11/6.69 [2019-03-28 22:58:17,296 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.11/6.69 [2019-03-28 22:58:17,296 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:58:17" (4/5) ... 14.11/6.69 [2019-03-28 22:58:17,297 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66dd4a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:58:17, skipping insertion in model container 14.11/6.69 [2019-03-28 22:58:17,297 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.11/6.69 [2019-03-28 22:58:17,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:58:17" (5/5) ... 14.11/6.69 [2019-03-28 22:58:17,299 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.11/6.69 [2019-03-28 22:58:17,326 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.11/6.69 [2019-03-28 22:58:17,327 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.11/6.69 [2019-03-28 22:58:17,327 INFO L375 BuchiCegarLoop]: Hoare is true 14.11/6.69 [2019-03-28 22:58:17,327 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.11/6.69 [2019-03-28 22:58:17,327 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.11/6.69 [2019-03-28 22:58:17,327 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.11/6.69 [2019-03-28 22:58:17,328 INFO L379 BuchiCegarLoop]: Difference is false 14.11/6.69 [2019-03-28 22:58:17,328 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.11/6.69 [2019-03-28 22:58:17,328 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.11/6.69 [2019-03-28 22:58:17,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.11/6.69 [2019-03-28 22:58:17,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.11/6.69 [2019-03-28 22:58:17,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.11/6.69 [2019-03-28 22:58:17,350 INFO L119 BuchiIsEmpty]: Starting construction of run 14.11/6.69 [2019-03-28 22:58:17,357 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.11/6.69 [2019-03-28 22:58:17,357 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.11/6.69 [2019-03-28 22:58:17,357 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.11/6.69 [2019-03-28 22:58:17,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.11/6.69 [2019-03-28 22:58:17,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.11/6.69 [2019-03-28 22:58:17,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.11/6.69 [2019-03-28 22:58:17,358 INFO L119 BuchiIsEmpty]: Starting construction of run 14.11/6.69 [2019-03-28 22:58:17,359 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.11/6.69 [2019-03-28 22:58:17,359 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.11/6.69 [2019-03-28 22:58:17,364 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L18-2true 14.11/6.69 [2019-03-28 22:58:17,364 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [28] L18-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 5#L18true [37] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 |v_ULTIMATE.start_main_#t~nondet3_3|) (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L18-2true 14.11/6.69 [2019-03-28 22:58:17,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.11/6.69 [2019-03-28 22:58:17,370 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times 14.11/6.69 [2019-03-28 22:58:17,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.11/6.69 [2019-03-28 22:58:17,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.11/6.69 [2019-03-28 22:58:17,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:17,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:17,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.11/6.69 [2019-03-28 22:58:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.11/6.69 [2019-03-28 22:58:17,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.11/6.69 [2019-03-28 22:58:17,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1866, now seen corresponding path program 1 times 14.11/6.69 [2019-03-28 22:58:17,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.11/6.69 [2019-03-28 22:58:17,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.11/6.69 [2019-03-28 22:58:17,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:17,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:17,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.11/6.69 [2019-03-28 22:58:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.11/6.69 [2019-03-28 22:58:17,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.11/6.69 [2019-03-28 22:58:17,469 INFO L82 PathProgramCache]: Analyzing trace with hash 54721, now seen corresponding path program 1 times 14.11/6.69 [2019-03-28 22:58:17,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.11/6.69 [2019-03-28 22:58:17,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.11/6.69 [2019-03-28 22:58:17,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:17,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:17,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.11/6.69 [2019-03-28 22:58:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.11/6.69 [2019-03-28 22:58:17,533 INFO L216 LassoAnalysis]: Preferences: 14.11/6.69 [2019-03-28 22:58:17,534 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.11/6.69 [2019-03-28 22:58:17,534 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.11/6.69 [2019-03-28 22:58:17,534 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.11/6.69 [2019-03-28 22:58:17,535 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.11/6.69 [2019-03-28 22:58:17,535 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:17,535 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.11/6.69 [2019-03-28 22:58:17,535 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.11/6.69 [2019-03-28 22:58:17,535 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.11/6.69 [2019-03-28 22:58:17,536 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.11/6.69 [2019-03-28 22:58:17,536 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.11/6.69 [2019-03-28 22:58:17,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:17,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:17,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:17,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:17,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:17,676 INFO L300 LassoAnalysis]: Preprocessing complete. 14.11/6.69 [2019-03-28 22:58:17,677 INFO L412 LassoAnalysis]: Checking for nontermination... 14.11/6.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.11/6.69 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.11/6.69 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:17,684 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.11/6.69 [2019-03-28 22:58:17,684 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.11/6.69 [2019-03-28 22:58:17,718 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.11/6.69 [2019-03-28 22:58:17,718 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: [] 14.11/6.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.11/6.69 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.11/6.69 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:17,728 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.11/6.69 [2019-03-28 22:58:17,728 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.11/6.69 [2019-03-28 22:58:17,756 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.11/6.69 [2019-03-28 22:58:17,756 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: [] 14.11/6.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.11/6.69 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.11/6.69 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:17,763 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.11/6.69 [2019-03-28 22:58:17,763 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.11/6.69 [2019-03-28 22:58:17,790 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.11/6.69 [2019-03-28 22:58:17,791 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=-1} Honda state: {ULTIMATE.start_main_#t~nondet2=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.11/6.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.11/6.69 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.11/6.69 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:17,795 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.11/6.69 [2019-03-28 22:58:17,796 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.11/6.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.11/6.69 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.11/6.69 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:17,827 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.11/6.69 [2019-03-28 22:58:17,827 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.11/6.69 [2019-03-28 22:58:17,859 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.11/6.69 [2019-03-28 22:58:17,861 INFO L216 LassoAnalysis]: Preferences: 14.11/6.69 [2019-03-28 22:58:17,862 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.11/6.69 [2019-03-28 22:58:17,862 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.11/6.69 [2019-03-28 22:58:17,862 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.11/6.69 [2019-03-28 22:58:17,862 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.11/6.69 [2019-03-28 22:58:17,862 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:17,862 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.11/6.69 [2019-03-28 22:58:17,862 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.11/6.69 [2019-03-28 22:58:17,863 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.11/6.69 [2019-03-28 22:58:17,863 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.11/6.69 [2019-03-28 22:58:17,863 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.11/6.69 [2019-03-28 22:58:17,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:17,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:17,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:17,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:17,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:17,952 INFO L300 LassoAnalysis]: Preprocessing complete. 14.11/6.69 [2019-03-28 22:58:17,957 INFO L497 LassoAnalysis]: Using template 'affine'. 14.11/6.69 [2019-03-28 22:58:17,959 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.11/6.69 Termination analysis: LINEAR_WITH_GUESSES 14.11/6.69 Number of strict supporting invariants: 0 14.11/6.69 Number of non-strict supporting invariants: 1 14.11/6.69 Consider only non-deceasing supporting invariants: true 14.11/6.69 Simplify termination arguments: true 14.11/6.69 Simplify supporting invariants: trueOverapproximate stem: false 14.11/6.69 [2019-03-28 22:58:17,961 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.11/6.69 [2019-03-28 22:58:17,961 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.11/6.69 [2019-03-28 22:58:17,961 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.11/6.69 [2019-03-28 22:58:17,961 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.11/6.69 [2019-03-28 22:58:17,966 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.11/6.69 [2019-03-28 22:58:17,966 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.11/6.69 [2019-03-28 22:58:17,974 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.11/6.69 [2019-03-28 22:58:17,975 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.11/6.69 Termination analysis: LINEAR_WITH_GUESSES 14.11/6.69 Number of strict supporting invariants: 0 14.11/6.69 Number of non-strict supporting invariants: 1 14.11/6.69 Consider only non-deceasing supporting invariants: true 14.11/6.69 Simplify termination arguments: true 14.11/6.69 Simplify supporting invariants: trueOverapproximate stem: false 14.11/6.69 [2019-03-28 22:58:17,975 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.11/6.69 [2019-03-28 22:58:17,976 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.11/6.69 [2019-03-28 22:58:17,976 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.11/6.69 [2019-03-28 22:58:17,976 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.11/6.69 [2019-03-28 22:58:17,978 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.11/6.69 [2019-03-28 22:58:17,979 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.11/6.69 [2019-03-28 22:58:17,987 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.11/6.69 [2019-03-28 22:58:17,987 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.11/6.69 Termination analysis: LINEAR_WITH_GUESSES 14.11/6.69 Number of strict supporting invariants: 0 14.11/6.69 Number of non-strict supporting invariants: 1 14.11/6.69 Consider only non-deceasing supporting invariants: true 14.11/6.69 Simplify termination arguments: true 14.11/6.69 Simplify supporting invariants: trueOverapproximate stem: false 14.11/6.69 [2019-03-28 22:58:17,988 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.11/6.69 [2019-03-28 22:58:17,988 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.11/6.69 [2019-03-28 22:58:17,989 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.11/6.69 [2019-03-28 22:58:17,989 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.11/6.69 [2019-03-28 22:58:17,989 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.11/6.69 [2019-03-28 22:58:17,990 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.11/6.69 [2019-03-28 22:58:17,990 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.11/6.69 [2019-03-28 22:58:17,993 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.11/6.69 [2019-03-28 22:58:17,993 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.11/6.69 Termination analysis: LINEAR_WITH_GUESSES 14.11/6.69 Number of strict supporting invariants: 0 14.11/6.69 Number of non-strict supporting invariants: 1 14.11/6.69 Consider only non-deceasing supporting invariants: true 14.11/6.69 Simplify termination arguments: true 14.11/6.69 Simplify supporting invariants: trueOverapproximate stem: false 14.11/6.69 [2019-03-28 22:58:17,994 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.11/6.69 [2019-03-28 22:58:17,994 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.11/6.69 [2019-03-28 22:58:17,994 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.11/6.69 [2019-03-28 22:58:17,995 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.11/6.69 [2019-03-28 22:58:17,995 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.11/6.69 [2019-03-28 22:58:17,995 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.11/6.69 [2019-03-28 22:58:17,996 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.11/6.69 [2019-03-28 22:58:18,001 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.11/6.69 [2019-03-28 22:58:18,005 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.11/6.69 [2019-03-28 22:58:18,005 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.11/6.69 [2019-03-28 22:58:18,007 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.11/6.69 [2019-03-28 22:58:18,007 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.11/6.69 [2019-03-28 22:58:18,007 INFO L518 LassoAnalysis]: Proved termination. 14.11/6.69 [2019-03-28 22:58:18,008 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.11/6.69 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 14.11/6.69 Supporting invariants [] 14.11/6.69 [2019-03-28 22:58:18,009 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.11/6.69 [2019-03-28 22:58:18,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.11/6.69 [2019-03-28 22:58:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.11/6.69 [2019-03-28 22:58:18,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 14.11/6.69 [2019-03-28 22:58:18,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.11/6.69 [2019-03-28 22:58:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.11/6.69 [2019-03-28 22:58:18,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 14.11/6.69 [2019-03-28 22:58:18,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.11/6.69 [2019-03-28 22:58:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.11/6.69 [2019-03-28 22:58:18,112 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.11/6.69 [2019-03-28 22:58:18,117 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 14.11/6.69 [2019-03-28 22:58:18,119 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.11/6.69 [2019-03-28 22:58:18,153 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 8 states and 12 transitions. Complement of second has 4 states. 14.11/6.69 [2019-03-28 22:58:18,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.11/6.69 [2019-03-28 22:58:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.11/6.69 [2019-03-28 22:58:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 14.11/6.69 [2019-03-28 22:58:18,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. 14.11/6.69 [2019-03-28 22:58:18,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.11/6.69 [2019-03-28 22:58:18,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. 14.11/6.69 [2019-03-28 22:58:18,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.11/6.69 [2019-03-28 22:58:18,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. 14.11/6.69 [2019-03-28 22:58:18,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.11/6.69 [2019-03-28 22:58:18,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 12 transitions. 14.11/6.69 [2019-03-28 22:58:18,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.11/6.69 [2019-03-28 22:58:18,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 12 transitions. 14.11/6.69 [2019-03-28 22:58:18,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 14.11/6.69 [2019-03-28 22:58:18,172 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 14.11/6.69 [2019-03-28 22:58:18,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 12 transitions. 14.11/6.69 [2019-03-28 22:58:18,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.11/6.69 [2019-03-28 22:58:18,173 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. 14.11/6.69 [2019-03-28 22:58:18,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 12 transitions. 14.11/6.69 [2019-03-28 22:58:18,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 14.11/6.69 [2019-03-28 22:58:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 14.11/6.69 [2019-03-28 22:58:18,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. 14.11/6.69 [2019-03-28 22:58:18,201 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 14.11/6.69 [2019-03-28 22:58:18,201 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 14.11/6.69 [2019-03-28 22:58:18,202 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.11/6.69 [2019-03-28 22:58:18,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 11 transitions. 14.11/6.69 [2019-03-28 22:58:18,202 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.11/6.69 [2019-03-28 22:58:18,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.11/6.69 [2019-03-28 22:58:18,202 INFO L119 BuchiIsEmpty]: Starting construction of run 14.11/6.69 [2019-03-28 22:58:18,203 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.11/6.69 [2019-03-28 22:58:18,203 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.11/6.69 [2019-03-28 22:58:18,203 INFO L794 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 49#L18-2 [28] L18-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 45#L18 14.11/6.69 [2019-03-28 22:58:18,204 INFO L796 eck$LassoCheckResult]: Loop: 45#L18 [30] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 (- 1))) (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~y~0] 44#L18-2 [28] L18-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 45#L18 14.11/6.69 [2019-03-28 22:58:18,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.11/6.69 [2019-03-28 22:58:18,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1764, now seen corresponding path program 1 times 14.11/6.69 [2019-03-28 22:58:18,204 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.11/6.69 [2019-03-28 22:58:18,204 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.11/6.69 [2019-03-28 22:58:18,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:18,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:18,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.11/6.69 [2019-03-28 22:58:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.11/6.69 [2019-03-28 22:58:18,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.11/6.69 [2019-03-28 22:58:18,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1919, now seen corresponding path program 1 times 14.11/6.69 [2019-03-28 22:58:18,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.11/6.69 [2019-03-28 22:58:18,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.11/6.69 [2019-03-28 22:58:18,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:18,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:18,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.11/6.69 [2019-03-28 22:58:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.11/6.69 [2019-03-28 22:58:18,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.11/6.69 [2019-03-28 22:58:18,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1696162, now seen corresponding path program 1 times 14.11/6.69 [2019-03-28 22:58:18,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.11/6.69 [2019-03-28 22:58:18,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.11/6.69 [2019-03-28 22:58:18,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:18,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:18,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.11/6.69 [2019-03-28 22:58:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.11/6.69 [2019-03-28 22:58:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.11/6.69 [2019-03-28 22:58:18,246 INFO L216 LassoAnalysis]: Preferences: 14.11/6.69 [2019-03-28 22:58:18,246 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.11/6.69 [2019-03-28 22:58:18,246 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.11/6.69 [2019-03-28 22:58:18,247 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.11/6.69 [2019-03-28 22:58:18,247 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.11/6.69 [2019-03-28 22:58:18,247 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:18,247 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.11/6.69 [2019-03-28 22:58:18,247 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.11/6.69 [2019-03-28 22:58:18,247 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.11/6.69 [2019-03-28 22:58:18,247 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.11/6.69 [2019-03-28 22:58:18,247 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.11/6.69 [2019-03-28 22:58:18,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:18,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:18,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:18,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:18,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:18,310 INFO L300 LassoAnalysis]: Preprocessing complete. 14.11/6.69 [2019-03-28 22:58:18,311 INFO L412 LassoAnalysis]: Checking for nontermination... 14.11/6.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.11/6.69 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.11/6.69 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:18,314 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.11/6.69 [2019-03-28 22:58:18,315 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.11/6.69 [2019-03-28 22:58:18,342 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.11/6.69 [2019-03-28 22:58:18,343 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.11/6.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.11/6.69 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.11/6.69 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:18,348 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.11/6.69 [2019-03-28 22:58:18,349 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.11/6.69 [2019-03-28 22:58:18,376 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.11/6.69 [2019-03-28 22:58:18,376 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.11/6.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.11/6.69 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.11/6.69 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:18,384 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.11/6.69 [2019-03-28 22:58:18,384 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.11/6.69 [2019-03-28 22:58:18,412 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.11/6.69 [2019-03-28 22:58:18,412 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.11/6.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.11/6.69 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.11/6.69 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:18,417 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.11/6.69 [2019-03-28 22:58:18,418 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.11/6.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.11/6.69 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.11/6.69 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:18,449 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.11/6.69 [2019-03-28 22:58:18,449 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.11/6.69 [2019-03-28 22:58:18,527 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.11/6.69 [2019-03-28 22:58:18,530 INFO L216 LassoAnalysis]: Preferences: 14.11/6.69 [2019-03-28 22:58:18,531 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.11/6.69 [2019-03-28 22:58:18,531 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.11/6.69 [2019-03-28 22:58:18,531 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.11/6.69 [2019-03-28 22:58:18,531 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.11/6.69 [2019-03-28 22:58:18,532 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.11/6.69 [2019-03-28 22:58:18,532 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.11/6.69 [2019-03-28 22:58:18,532 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.11/6.69 [2019-03-28 22:58:18,532 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.11/6.69 [2019-03-28 22:58:18,532 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.11/6.69 [2019-03-28 22:58:18,532 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.11/6.69 [2019-03-28 22:58:18,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:18,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:18,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:18,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:18,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.11/6.69 [2019-03-28 22:58:18,613 INFO L300 LassoAnalysis]: Preprocessing complete. 14.11/6.69 [2019-03-28 22:58:18,613 INFO L497 LassoAnalysis]: Using template 'affine'. 14.11/6.69 [2019-03-28 22:58:18,614 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.11/6.69 Termination analysis: LINEAR_WITH_GUESSES 14.11/6.69 Number of strict supporting invariants: 0 14.11/6.69 Number of non-strict supporting invariants: 1 14.11/6.69 Consider only non-deceasing supporting invariants: true 14.11/6.69 Simplify termination arguments: true 14.11/6.69 Simplify supporting invariants: trueOverapproximate stem: false 14.11/6.69 [2019-03-28 22:58:18,615 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.11/6.69 [2019-03-28 22:58:18,615 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.11/6.69 [2019-03-28 22:58:18,615 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.11/6.69 [2019-03-28 22:58:18,615 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.11/6.69 [2019-03-28 22:58:18,618 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.11/6.69 [2019-03-28 22:58:18,618 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.11/6.69 [2019-03-28 22:58:18,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.11/6.69 [2019-03-28 22:58:18,624 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.11/6.69 Termination analysis: LINEAR_WITH_GUESSES 14.11/6.69 Number of strict supporting invariants: 0 14.11/6.69 Number of non-strict supporting invariants: 1 14.11/6.69 Consider only non-deceasing supporting invariants: true 14.11/6.69 Simplify termination arguments: true 14.11/6.69 Simplify supporting invariants: trueOverapproximate stem: false 14.11/6.69 [2019-03-28 22:58:18,624 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.11/6.69 [2019-03-28 22:58:18,625 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.11/6.69 [2019-03-28 22:58:18,625 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.11/6.69 [2019-03-28 22:58:18,625 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.11/6.69 [2019-03-28 22:58:18,627 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.11/6.69 [2019-03-28 22:58:18,627 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.11/6.69 [2019-03-28 22:58:18,633 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.11/6.69 [2019-03-28 22:58:18,633 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.11/6.69 Termination analysis: LINEAR_WITH_GUESSES 14.11/6.69 Number of strict supporting invariants: 0 14.11/6.69 Number of non-strict supporting invariants: 1 14.11/6.69 Consider only non-deceasing supporting invariants: true 14.11/6.69 Simplify termination arguments: true 14.11/6.69 Simplify supporting invariants: trueOverapproximate stem: false 14.11/6.69 [2019-03-28 22:58:18,634 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.11/6.69 [2019-03-28 22:58:18,635 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.11/6.69 [2019-03-28 22:58:18,635 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.11/6.69 [2019-03-28 22:58:18,635 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.11/6.69 [2019-03-28 22:58:18,635 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.11/6.69 [2019-03-28 22:58:18,636 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.11/6.69 [2019-03-28 22:58:18,636 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.11/6.69 [2019-03-28 22:58:18,637 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.11/6.69 [2019-03-28 22:58:18,638 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.11/6.69 Termination analysis: LINEAR_WITH_GUESSES 14.11/6.69 Number of strict supporting invariants: 0 14.11/6.69 Number of non-strict supporting invariants: 1 14.11/6.69 Consider only non-deceasing supporting invariants: true 14.11/6.69 Simplify termination arguments: true 14.11/6.69 Simplify supporting invariants: trueOverapproximate stem: false 14.11/6.69 [2019-03-28 22:58:18,638 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.11/6.69 [2019-03-28 22:58:18,638 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.11/6.69 [2019-03-28 22:58:18,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.11/6.69 [2019-03-28 22:58:18,639 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.11/6.69 [2019-03-28 22:58:18,639 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.11/6.69 [2019-03-28 22:58:18,639 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.11/6.69 [2019-03-28 22:58:18,640 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.11/6.69 [2019-03-28 22:58:18,644 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.11/6.69 [2019-03-28 22:58:18,648 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.11/6.69 [2019-03-28 22:58:18,649 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.11/6.69 [2019-03-28 22:58:18,649 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.11/6.69 [2019-03-28 22:58:18,649 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.11/6.69 [2019-03-28 22:58:18,649 INFO L518 LassoAnalysis]: Proved termination. 14.11/6.69 [2019-03-28 22:58:18,650 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.11/6.69 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 14.11/6.69 Supporting invariants [] 14.11/6.69 [2019-03-28 22:58:18,651 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.11/6.69 [2019-03-28 22:58:18,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.11/6.69 [2019-03-28 22:58:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.11/6.69 [2019-03-28 22:58:18,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 14.11/6.69 [2019-03-28 22:58:18,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.11/6.69 [2019-03-28 22:58:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.11/6.69 [2019-03-28 22:58:18,678 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 14.11/6.69 [2019-03-28 22:58:18,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.11/6.69 [2019-03-28 22:58:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.11/6.69 [2019-03-28 22:58:18,696 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.11/6.69 [2019-03-28 22:58:18,696 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 14.11/6.69 [2019-03-28 22:58:18,696 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 6 Second operand 3 states. 14.11/6.69 [2019-03-28 22:58:18,723 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 10 states and 15 transitions. Complement of second has 4 states. 14.11/6.69 [2019-03-28 22:58:18,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.11/6.69 [2019-03-28 22:58:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.11/6.69 [2019-03-28 22:58:18,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.11/6.69 [2019-03-28 22:58:18,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. 14.11/6.69 [2019-03-28 22:58:18,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.11/6.69 [2019-03-28 22:58:18,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. 14.11/6.69 [2019-03-28 22:58:18,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.11/6.69 [2019-03-28 22:58:18,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. 14.11/6.69 [2019-03-28 22:58:18,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.11/6.69 [2019-03-28 22:58:18,728 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 15 transitions. 14.11/6.69 [2019-03-28 22:58:18,728 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.11/6.69 [2019-03-28 22:58:18,729 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. 14.11/6.69 [2019-03-28 22:58:18,729 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.11/6.69 [2019-03-28 22:58:18,729 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.11/6.69 [2019-03-28 22:58:18,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.11/6.69 [2019-03-28 22:58:18,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.11/6.69 [2019-03-28 22:58:18,730 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.11/6.69 [2019-03-28 22:58:18,730 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.11/6.69 [2019-03-28 22:58:18,730 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.11/6.69 [2019-03-28 22:58:18,730 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.11/6.69 [2019-03-28 22:58:18,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.11/6.69 [2019-03-28 22:58:18,730 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.11/6.69 [2019-03-28 22:58:18,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.11/6.69 [2019-03-28 22:58:18,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:58:18 BasicIcfg 14.11/6.69 [2019-03-28 22:58:18,737 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.11/6.69 [2019-03-28 22:58:18,737 INFO L168 Benchmark]: Toolchain (without parser) took 2200.07 ms. Allocated memory was 649.6 MB in the beginning and 661.7 MB in the end (delta: 12.1 MB). Free memory was 563.9 MB in the beginning and 439.2 MB in the end (delta: 124.6 MB). Peak memory consumption was 136.7 MB. Max. memory is 50.3 GB. 14.11/6.69 [2019-03-28 22:58:18,739 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.11/6.69 [2019-03-28 22:58:18,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.46 ms. Allocated memory was 649.6 MB in the beginning and 661.7 MB in the end (delta: 12.1 MB). Free memory was 563.9 MB in the beginning and 629.2 MB in the end (delta: -65.4 MB). Peak memory consumption was 29.8 MB. Max. memory is 50.3 GB. 14.11/6.69 [2019-03-28 22:58:18,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.85 ms. Allocated memory is still 661.7 MB. Free memory was 629.2 MB in the beginning and 626.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.11/6.69 [2019-03-28 22:58:18,741 INFO L168 Benchmark]: Boogie Preprocessor took 19.03 ms. Allocated memory is still 661.7 MB. Free memory was 626.1 MB in the beginning and 624.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.11/6.69 [2019-03-28 22:58:18,741 INFO L168 Benchmark]: RCFGBuilder took 193.92 ms. Allocated memory is still 661.7 MB. Free memory was 624.8 MB in the beginning and 611.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 14.11/6.69 [2019-03-28 22:58:18,742 INFO L168 Benchmark]: BlockEncodingV2 took 73.01 ms. Allocated memory is still 661.7 MB. Free memory was 611.9 MB in the beginning and 605.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 14.11/6.69 [2019-03-28 22:58:18,742 INFO L168 Benchmark]: TraceAbstraction took 152.23 ms. Allocated memory is still 661.7 MB. Free memory was 605.4 MB in the beginning and 597.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.11/6.69 [2019-03-28 22:58:18,743 INFO L168 Benchmark]: BuchiAutomizer took 1447.07 ms. Allocated memory is still 661.7 MB. Free memory was 597.2 MB in the beginning and 439.2 MB in the end (delta: 158.0 MB). Peak memory consumption was 158.0 MB. Max. memory is 50.3 GB. 14.11/6.69 [2019-03-28 22:58:18,747 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.11/6.69 --- Results --- 14.11/6.69 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.11/6.69 - StatisticsResult: Initial Icfg 14.11/6.69 7 locations, 9 edges 14.11/6.69 - StatisticsResult: Encoded RCFG 14.11/6.69 3 locations, 5 edges 14.11/6.69 * Results from de.uni_freiburg.informatik.ultimate.core: 14.11/6.69 - StatisticsResult: Toolchain Benchmarks 14.11/6.69 Benchmark results are: 14.11/6.69 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.11/6.69 * CACSL2BoogieTranslator took 274.46 ms. Allocated memory was 649.6 MB in the beginning and 661.7 MB in the end (delta: 12.1 MB). Free memory was 563.9 MB in the beginning and 629.2 MB in the end (delta: -65.4 MB). Peak memory consumption was 29.8 MB. Max. memory is 50.3 GB. 14.11/6.69 * Boogie Procedure Inliner took 34.85 ms. Allocated memory is still 661.7 MB. Free memory was 629.2 MB in the beginning and 626.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.11/6.69 * Boogie Preprocessor took 19.03 ms. Allocated memory is still 661.7 MB. Free memory was 626.1 MB in the beginning and 624.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.11/6.69 * RCFGBuilder took 193.92 ms. Allocated memory is still 661.7 MB. Free memory was 624.8 MB in the beginning and 611.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 14.11/6.69 * BlockEncodingV2 took 73.01 ms. Allocated memory is still 661.7 MB. Free memory was 611.9 MB in the beginning and 605.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 14.11/6.69 * TraceAbstraction took 152.23 ms. Allocated memory is still 661.7 MB. Free memory was 605.4 MB in the beginning and 597.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.11/6.69 * BuchiAutomizer took 1447.07 ms. Allocated memory is still 661.7 MB. Free memory was 597.2 MB in the beginning and 439.2 MB in the end (delta: 158.0 MB). Peak memory consumption was 158.0 MB. Max. memory is 50.3 GB. 14.11/6.69 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.11/6.69 - AllSpecificationsHoldResult: All specifications hold 14.11/6.69 We were not able to verify any specifiation because the program does not contain any specification. 14.11/6.69 - InvariantResult [Line: 17]: Loop Invariant 14.11/6.69 Derived loop invariant: 1 14.11/6.69 - StatisticsResult: Ultimate Automizer benchmark data 14.11/6.69 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 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 14.11/6.69 - StatisticsResult: Constructed decomposition of program 14.11/6.69 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 14.11/6.69 - StatisticsResult: Timing statistics 14.11/6.69 BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 13 SDslu, 1 SDs, 0 SdLazy, 24 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax169 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 14.11/6.69 - TerminationAnalysisResult: Termination proven 14.11/6.69 Buchi Automizer proved that your program is terminating 14.11/6.69 RESULT: Ultimate proved your program to be correct! 14.11/6.69 !SESSION 2019-03-28 22:58:13.240 ----------------------------------------------- 14.11/6.69 eclipse.buildId=unknown 14.11/6.69 java.version=1.8.0_181 14.11/6.69 java.vendor=Oracle Corporation 14.11/6.69 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.11/6.69 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 14.11/6.69 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 14.11/6.69 14.11/6.69 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:58:18.980 14.11/6.69 !MESSAGE The workspace will exit with unsaved changes in this session. 14.11/6.69 Received shutdown request... 14.11/6.69 Ultimate: 14.11/6.69 GTK+ Version Check 14.11/6.69 EOF