15.14/6.90 YES 15.14/6.90 15.14/6.90 Ultimate: Cannot open display: 15.14/6.90 This is Ultimate 0.1.24-8dc7c08-m 15.14/6.90 [2019-03-29 02:06:29,639 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.14/6.90 [2019-03-29 02:06:29,641 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.14/6.90 [2019-03-29 02:06:29,653 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.14/6.90 [2019-03-29 02:06:29,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.14/6.90 [2019-03-29 02:06:29,654 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.14/6.90 [2019-03-29 02:06:29,655 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.14/6.90 [2019-03-29 02:06:29,657 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.14/6.90 [2019-03-29 02:06:29,658 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.14/6.90 [2019-03-29 02:06:29,659 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.14/6.90 [2019-03-29 02:06:29,660 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.14/6.90 [2019-03-29 02:06:29,660 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.14/6.90 [2019-03-29 02:06:29,661 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.14/6.90 [2019-03-29 02:06:29,662 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.14/6.90 [2019-03-29 02:06:29,663 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.14/6.90 [2019-03-29 02:06:29,664 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.14/6.90 [2019-03-29 02:06:29,665 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.14/6.90 [2019-03-29 02:06:29,666 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.14/6.90 [2019-03-29 02:06:29,668 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.14/6.90 [2019-03-29 02:06:29,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.14/6.90 [2019-03-29 02:06:29,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.14/6.90 [2019-03-29 02:06:29,672 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.14/6.90 [2019-03-29 02:06:29,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.14/6.90 [2019-03-29 02:06:29,674 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.14/6.90 [2019-03-29 02:06:29,675 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.14/6.90 [2019-03-29 02:06:29,675 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.14/6.90 [2019-03-29 02:06:29,676 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.14/6.90 [2019-03-29 02:06:29,677 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.14/6.90 [2019-03-29 02:06:29,677 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.14/6.90 [2019-03-29 02:06:29,678 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.14/6.90 [2019-03-29 02:06:29,679 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.14/6.90 [2019-03-29 02:06:29,679 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.14/6.90 [2019-03-29 02:06:29,680 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.14/6.90 [2019-03-29 02:06:29,680 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.14/6.90 [2019-03-29 02:06:29,681 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.14/6.90 [2019-03-29 02:06:29,681 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.14/6.90 [2019-03-29 02:06:29,681 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.14/6.90 [2019-03-29 02:06:29,682 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.14/6.90 [2019-03-29 02:06:29,683 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.14/6.90 [2019-03-29 02:06:29,683 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.14/6.90 [2019-03-29 02:06:29,698 INFO L110 SettingsManager]: Loading preferences was successful 15.14/6.90 [2019-03-29 02:06:29,698 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.14/6.90 [2019-03-29 02:06:29,699 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.14/6.90 [2019-03-29 02:06:29,700 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.14/6.90 [2019-03-29 02:06:29,700 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.14/6.90 [2019-03-29 02:06:29,700 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.14/6.90 [2019-03-29 02:06:29,700 INFO L133 SettingsManager]: * Use SBE=true 15.14/6.90 [2019-03-29 02:06:29,700 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.14/6.90 [2019-03-29 02:06:29,701 INFO L133 SettingsManager]: * Use old map elimination=false 15.14/6.90 [2019-03-29 02:06:29,701 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.14/6.90 [2019-03-29 02:06:29,701 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.14/6.90 [2019-03-29 02:06:29,701 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.14/6.90 [2019-03-29 02:06:29,701 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.14/6.90 [2019-03-29 02:06:29,701 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.14/6.90 [2019-03-29 02:06:29,702 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:29,702 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.14/6.90 [2019-03-29 02:06:29,702 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.14/6.90 [2019-03-29 02:06:29,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.14/6.90 [2019-03-29 02:06:29,702 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.14/6.90 [2019-03-29 02:06:29,702 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.14/6.90 [2019-03-29 02:06:29,703 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.14/6.90 [2019-03-29 02:06:29,703 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.14/6.90 [2019-03-29 02:06:29,703 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.14/6.90 [2019-03-29 02:06:29,703 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.14/6.90 [2019-03-29 02:06:29,703 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.14/6.90 [2019-03-29 02:06:29,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.14/6.90 [2019-03-29 02:06:29,704 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.14/6.90 [2019-03-29 02:06:29,704 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.14/6.90 [2019-03-29 02:06:29,704 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.14/6.90 [2019-03-29 02:06:29,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.14/6.90 [2019-03-29 02:06:29,744 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.14/6.90 [2019-03-29 02:06:29,748 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.14/6.90 [2019-03-29 02:06:29,749 INFO L271 PluginConnector]: Initializing CDTParser... 15.14/6.90 [2019-03-29 02:06:29,750 INFO L276 PluginConnector]: CDTParser initialized 15.14/6.90 [2019-03-29 02:06:29,750 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.14/6.90 [2019-03-29 02:06:29,819 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b4341cd41cb94eb8a93a04dcc373e34a/FLAG76541ac59 15.14/6.90 [2019-03-29 02:06:30,163 INFO L307 CDTParser]: Found 1 translation units. 15.14/6.90 [2019-03-29 02:06:30,163 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.14/6.90 [2019-03-29 02:06:30,170 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b4341cd41cb94eb8a93a04dcc373e34a/FLAG76541ac59 15.14/6.90 [2019-03-29 02:06:30,593 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b4341cd41cb94eb8a93a04dcc373e34a 15.14/6.90 [2019-03-29 02:06:30,604 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.14/6.90 [2019-03-29 02:06:30,606 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.14/6.90 [2019-03-29 02:06:30,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.14/6.90 [2019-03-29 02:06:30,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.14/6.90 [2019-03-29 02:06:30,611 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.14/6.90 [2019-03-29 02:06:30,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:06:30" (1/1) ... 15.14/6.90 [2019-03-29 02:06:30,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df19b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30, skipping insertion in model container 15.14/6.90 [2019-03-29 02:06:30,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:06:30" (1/1) ... 15.14/6.90 [2019-03-29 02:06:30,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.14/6.90 [2019-03-29 02:06:30,642 INFO L176 MainTranslator]: Built tables and reachable declarations 15.14/6.90 [2019-03-29 02:06:30,805 INFO L206 PostProcessor]: Analyzing one entry point: main 15.14/6.90 [2019-03-29 02:06:30,810 INFO L191 MainTranslator]: Completed pre-run 15.14/6.90 [2019-03-29 02:06:30,827 INFO L206 PostProcessor]: Analyzing one entry point: main 15.14/6.90 [2019-03-29 02:06:30,903 INFO L195 MainTranslator]: Completed translation 15.14/6.90 [2019-03-29 02:06:30,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30 WrapperNode 15.14/6.90 [2019-03-29 02:06:30,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.14/6.90 [2019-03-29 02:06:30,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.14/6.90 [2019-03-29 02:06:30,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.14/6.90 [2019-03-29 02:06:30,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.14/6.90 [2019-03-29 02:06:30,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30" (1/1) ... 15.14/6.90 [2019-03-29 02:06:30,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30" (1/1) ... 15.14/6.90 [2019-03-29 02:06:30,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.14/6.90 [2019-03-29 02:06:30,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.14/6.90 [2019-03-29 02:06:30,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.14/6.90 [2019-03-29 02:06:30,943 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.14/6.90 [2019-03-29 02:06:30,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30" (1/1) ... 15.14/6.90 [2019-03-29 02:06:30,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30" (1/1) ... 15.14/6.90 [2019-03-29 02:06:30,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30" (1/1) ... 15.14/6.90 [2019-03-29 02:06:30,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30" (1/1) ... 15.14/6.90 [2019-03-29 02:06:30,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30" (1/1) ... 15.14/6.90 [2019-03-29 02:06:30,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30" (1/1) ... 15.14/6.90 [2019-03-29 02:06:30,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30" (1/1) ... 15.14/6.90 [2019-03-29 02:06:30,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.14/6.90 [2019-03-29 02:06:30,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.14/6.90 [2019-03-29 02:06:30,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.14/6.90 [2019-03-29 02:06:30,963 INFO L276 PluginConnector]: RCFGBuilder initialized 15.14/6.90 [2019-03-29 02:06:30,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30" (1/1) ... 15.14/6.90 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/6.90 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.14/6.90 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.14/6.90 [2019-03-29 02:06:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.14/6.90 [2019-03-29 02:06:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.14/6.90 [2019-03-29 02:06:31,153 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.14/6.90 [2019-03-29 02:06:31,154 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 15.14/6.90 [2019-03-29 02:06:31,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:31 BoogieIcfgContainer 15.14/6.90 [2019-03-29 02:06:31,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.14/6.90 [2019-03-29 02:06:31,156 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.14/6.90 [2019-03-29 02:06:31,156 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.14/6.90 [2019-03-29 02:06:31,158 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.14/6.90 [2019-03-29 02:06:31,158 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:31" (1/1) ... 15.14/6.90 [2019-03-29 02:06:31,173 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 15.14/6.90 [2019-03-29 02:06:31,175 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.14/6.90 [2019-03-29 02:06:31,175 INFO L263 BlockEncoder]: Using Maximize final states 15.14/6.90 [2019-03-29 02:06:31,176 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.14/6.90 [2019-03-29 02:06:31,176 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.14/6.90 [2019-03-29 02:06:31,178 INFO L296 BlockEncoder]: Using Remove sink states 15.14/6.90 [2019-03-29 02:06:31,179 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.14/6.90 [2019-03-29 02:06:31,179 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.14/6.90 [2019-03-29 02:06:31,193 INFO L185 BlockEncoder]: Using Use SBE 15.14/6.90 [2019-03-29 02:06:31,201 INFO L200 BlockEncoder]: SBE split 0 edges 15.14/6.90 [2019-03-29 02:06:31,206 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 15.14/6.90 [2019-03-29 02:06:31,208 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.14/6.90 [2019-03-29 02:06:31,223 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 15.14/6.90 [2019-03-29 02:06:31,225 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.14/6.90 [2019-03-29 02:06:31,226 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.14/6.90 [2019-03-29 02:06:31,227 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.14/6.90 [2019-03-29 02:06:31,227 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.14/6.90 [2019-03-29 02:06:31,227 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.14/6.90 [2019-03-29 02:06:31,228 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 15.14/6.90 [2019-03-29 02:06:31,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:31 BasicIcfg 15.14/6.90 [2019-03-29 02:06:31,228 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.14/6.90 [2019-03-29 02:06:31,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.14/6.90 [2019-03-29 02:06:31,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.14/6.90 [2019-03-29 02:06:31,233 INFO L276 PluginConnector]: TraceAbstraction initialized 15.14/6.90 [2019-03-29 02:06:31,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:06:30" (1/4) ... 15.14/6.90 [2019-03-29 02:06:31,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11388d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:06:31, skipping insertion in model container 15.14/6.90 [2019-03-29 02:06:31,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30" (2/4) ... 15.14/6.90 [2019-03-29 02:06:31,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11388d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:06:31, skipping insertion in model container 15.14/6.90 [2019-03-29 02:06:31,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:31" (3/4) ... 15.14/6.90 [2019-03-29 02:06:31,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11388d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:31, skipping insertion in model container 15.14/6.90 [2019-03-29 02:06:31,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:31" (4/4) ... 15.14/6.90 [2019-03-29 02:06:31,237 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.14/6.90 [2019-03-29 02:06:31,247 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.14/6.90 [2019-03-29 02:06:31,254 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.14/6.90 [2019-03-29 02:06:31,272 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.14/6.90 [2019-03-29 02:06:31,300 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.14/6.90 [2019-03-29 02:06:31,301 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.14/6.90 [2019-03-29 02:06:31,301 INFO L383 AbstractCegarLoop]: Hoare is true 15.14/6.90 [2019-03-29 02:06:31,302 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.14/6.90 [2019-03-29 02:06:31,302 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.14/6.90 [2019-03-29 02:06:31,302 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.14/6.90 [2019-03-29 02:06:31,302 INFO L387 AbstractCegarLoop]: Difference is false 15.14/6.90 [2019-03-29 02:06:31,302 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.14/6.90 [2019-03-29 02:06:31,303 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.14/6.90 [2019-03-29 02:06:31,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 15.14/6.90 [2019-03-29 02:06:31,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.14/6.90 [2019-03-29 02:06:31,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 15.14/6.90 [2019-03-29 02:06:31,377 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 21) the Hoare annotation is: true 15.14/6.90 [2019-03-29 02:06:31,378 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 23) the Hoare annotation is: true 15.14/6.90 [2019-03-29 02:06:31,378 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.14/6.90 [2019-03-29 02:06:31,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:31 BasicIcfg 15.14/6.90 [2019-03-29 02:06:31,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.14/6.90 [2019-03-29 02:06:31,387 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.14/6.90 [2019-03-29 02:06:31,388 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.14/6.90 [2019-03-29 02:06:31,391 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.14/6.90 [2019-03-29 02:06:31,392 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.14/6.90 [2019-03-29 02:06:31,392 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:06:30" (1/5) ... 15.14/6.90 [2019-03-29 02:06:31,393 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8578f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:06:31, skipping insertion in model container 15.14/6.90 [2019-03-29 02:06:31,393 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.14/6.90 [2019-03-29 02:06:31,393 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:30" (2/5) ... 15.14/6.90 [2019-03-29 02:06:31,394 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8578f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:06:31, skipping insertion in model container 15.14/6.90 [2019-03-29 02:06:31,394 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.14/6.90 [2019-03-29 02:06:31,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:31" (3/5) ... 15.14/6.90 [2019-03-29 02:06:31,394 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8578f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:31, skipping insertion in model container 15.14/6.90 [2019-03-29 02:06:31,394 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.14/6.90 [2019-03-29 02:06:31,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:31" (4/5) ... 15.14/6.90 [2019-03-29 02:06:31,395 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8578f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:31, skipping insertion in model container 15.14/6.90 [2019-03-29 02:06:31,395 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.14/6.90 [2019-03-29 02:06:31,395 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:31" (5/5) ... 15.14/6.90 [2019-03-29 02:06:31,397 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.14/6.90 [2019-03-29 02:06:31,426 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.14/6.90 [2019-03-29 02:06:31,426 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.14/6.90 [2019-03-29 02:06:31,426 INFO L375 BuchiCegarLoop]: Hoare is true 15.14/6.90 [2019-03-29 02:06:31,426 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.14/6.90 [2019-03-29 02:06:31,426 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.14/6.90 [2019-03-29 02:06:31,427 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.14/6.90 [2019-03-29 02:06:31,427 INFO L379 BuchiCegarLoop]: Difference is false 15.14/6.90 [2019-03-29 02:06:31,427 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.14/6.90 [2019-03-29 02:06:31,427 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.14/6.90 [2019-03-29 02:06:31,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.14/6.90 [2019-03-29 02:06:31,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.14/6.90 [2019-03-29 02:06:31,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.14/6.90 [2019-03-29 02:06:31,448 INFO L119 BuchiIsEmpty]: Starting construction of run 15.14/6.90 [2019-03-29 02:06:31,453 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.14/6.90 [2019-03-29 02:06:31,453 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.14/6.90 [2019-03-29 02:06:31,453 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.14/6.90 [2019-03-29 02:06:31,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.14/6.90 [2019-03-29 02:06:31,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.14/6.90 [2019-03-29 02:06:31,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.14/6.90 [2019-03-29 02:06:31,454 INFO L119 BuchiIsEmpty]: Starting construction of run 15.14/6.90 [2019-03-29 02:06:31,455 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.14/6.90 [2019-03-29 02:06:31,455 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.14/6.90 [2019-03-29 02:06:31,460 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true 15.14/6.90 [2019-03-29 02:06:31,460 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [33] L17-2-->L19-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~y~0_9 1)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 5#L19-2true [45] L19-2-->L17-2: Formula: (and (= (+ v_ULTIMATE.start_main_~x~0_14 (- 1)) v_ULTIMATE.start_main_~x~0_13) (<= v_ULTIMATE.start_main_~x~0_14 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L17-2true 15.14/6.90 [2019-03-29 02:06:31,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.14/6.90 [2019-03-29 02:06:31,467 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 15.14/6.90 [2019-03-29 02:06:31,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.14/6.90 [2019-03-29 02:06:31,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.14/6.90 [2019-03-29 02:06:31,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:31,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:31,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/6.90 [2019-03-29 02:06:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/6.90 [2019-03-29 02:06:31,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.14/6.90 [2019-03-29 02:06:31,545 INFO L82 PathProgramCache]: Analyzing trace with hash 2029, now seen corresponding path program 1 times 15.14/6.90 [2019-03-29 02:06:31,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.14/6.90 [2019-03-29 02:06:31,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.14/6.90 [2019-03-29 02:06:31,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:31,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:31,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/6.90 [2019-03-29 02:06:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/6.90 [2019-03-29 02:06:31,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.14/6.90 [2019-03-29 02:06:31,561 INFO L82 PathProgramCache]: Analyzing trace with hash 63533, now seen corresponding path program 1 times 15.14/6.90 [2019-03-29 02:06:31,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.14/6.90 [2019-03-29 02:06:31,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.14/6.90 [2019-03-29 02:06:31,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:31,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:31,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/6.90 [2019-03-29 02:06:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/6.90 [2019-03-29 02:06:31,623 INFO L216 LassoAnalysis]: Preferences: 15.14/6.90 [2019-03-29 02:06:31,624 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.14/6.90 [2019-03-29 02:06:31,624 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.14/6.90 [2019-03-29 02:06:31,624 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.14/6.90 [2019-03-29 02:06:31,624 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.14/6.90 [2019-03-29 02:06:31,624 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:31,625 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.14/6.90 [2019-03-29 02:06:31,625 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.14/6.90 [2019-03-29 02:06:31,625 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.14/6.90 [2019-03-29 02:06:31,625 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.14/6.90 [2019-03-29 02:06:31,626 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.14/6.90 [2019-03-29 02:06:31,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:31,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:31,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:31,753 INFO L300 LassoAnalysis]: Preprocessing complete. 15.14/6.90 [2019-03-29 02:06:31,754 INFO L412 LassoAnalysis]: Checking for nontermination... 15.14/6.90 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/6.90 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/6.90 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:31,761 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.14/6.90 [2019-03-29 02:06:31,761 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/6.90 [2019-03-29 02:06:31,794 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.14/6.90 [2019-03-29 02:06:31,794 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: [] 15.14/6.90 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/6.90 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/6.90 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:31,800 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.14/6.90 [2019-03-29 02:06:31,801 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/6.90 [2019-03-29 02:06:31,829 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.14/6.90 [2019-03-29 02:06:31,829 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: [] 15.14/6.90 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/6.90 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/6.90 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:31,836 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.14/6.90 [2019-03-29 02:06:31,836 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/6.90 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/6.90 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/6.90 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:31,869 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.14/6.90 [2019-03-29 02:06:31,870 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/6.90 [2019-03-29 02:06:31,904 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.14/6.90 [2019-03-29 02:06:31,906 INFO L216 LassoAnalysis]: Preferences: 15.14/6.90 [2019-03-29 02:06:31,907 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.14/6.90 [2019-03-29 02:06:31,907 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.14/6.90 [2019-03-29 02:06:31,907 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.14/6.90 [2019-03-29 02:06:31,907 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.14/6.90 [2019-03-29 02:06:31,907 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:31,907 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.14/6.90 [2019-03-29 02:06:31,908 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.14/6.90 [2019-03-29 02:06:31,908 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.14/6.90 [2019-03-29 02:06:31,908 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.14/6.90 [2019-03-29 02:06:31,908 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.14/6.90 [2019-03-29 02:06:31,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:31,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:31,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,019 INFO L300 LassoAnalysis]: Preprocessing complete. 15.14/6.90 [2019-03-29 02:06:32,025 INFO L497 LassoAnalysis]: Using template 'affine'. 15.14/6.90 [2019-03-29 02:06:32,027 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.14/6.90 Termination analysis: LINEAR_WITH_GUESSES 15.14/6.90 Number of strict supporting invariants: 0 15.14/6.90 Number of non-strict supporting invariants: 1 15.14/6.90 Consider only non-deceasing supporting invariants: true 15.14/6.90 Simplify termination arguments: true 15.14/6.90 Simplify supporting invariants: trueOverapproximate stem: false 15.14/6.90 [2019-03-29 02:06:32,029 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.14/6.90 [2019-03-29 02:06:32,029 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.14/6.90 [2019-03-29 02:06:32,029 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.14/6.90 [2019-03-29 02:06:32,029 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.14/6.90 [2019-03-29 02:06:32,034 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.14/6.90 [2019-03-29 02:06:32,034 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.14/6.90 [2019-03-29 02:06:32,043 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.14/6.90 [2019-03-29 02:06:32,043 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.14/6.90 Termination analysis: LINEAR_WITH_GUESSES 15.14/6.90 Number of strict supporting invariants: 0 15.14/6.90 Number of non-strict supporting invariants: 1 15.14/6.90 Consider only non-deceasing supporting invariants: true 15.14/6.90 Simplify termination arguments: true 15.14/6.90 Simplify supporting invariants: trueOverapproximate stem: false 15.14/6.90 [2019-03-29 02:06:32,044 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.14/6.90 [2019-03-29 02:06:32,044 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.14/6.90 [2019-03-29 02:06:32,044 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.14/6.90 [2019-03-29 02:06:32,044 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.14/6.90 [2019-03-29 02:06:32,047 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.14/6.90 [2019-03-29 02:06:32,047 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.14/6.90 [2019-03-29 02:06:32,056 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.14/6.90 [2019-03-29 02:06:32,056 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.14/6.90 Termination analysis: LINEAR_WITH_GUESSES 15.14/6.90 Number of strict supporting invariants: 0 15.14/6.90 Number of non-strict supporting invariants: 1 15.14/6.90 Consider only non-deceasing supporting invariants: true 15.14/6.90 Simplify termination arguments: true 15.14/6.90 Simplify supporting invariants: trueOverapproximate stem: false 15.14/6.90 [2019-03-29 02:06:32,057 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.14/6.90 [2019-03-29 02:06:32,057 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.14/6.90 [2019-03-29 02:06:32,058 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.14/6.90 [2019-03-29 02:06:32,058 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.14/6.90 [2019-03-29 02:06:32,058 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.14/6.90 [2019-03-29 02:06:32,059 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.14/6.90 [2019-03-29 02:06:32,059 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.14/6.90 [2019-03-29 02:06:32,067 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.14/6.90 [2019-03-29 02:06:32,074 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.14/6.90 [2019-03-29 02:06:32,075 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 15.14/6.90 [2019-03-29 02:06:32,077 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.14/6.90 [2019-03-29 02:06:32,077 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.14/6.90 [2019-03-29 02:06:32,077 INFO L518 LassoAnalysis]: Proved termination. 15.14/6.90 [2019-03-29 02:06:32,078 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.14/6.90 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 15.14/6.90 Supporting invariants [] 15.14/6.90 [2019-03-29 02:06:32,079 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.14/6.90 [2019-03-29 02:06:32,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.14/6.90 [2019-03-29 02:06:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.14/6.90 [2019-03-29 02:06:32,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.14/6.90 [2019-03-29 02:06:32,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.14/6.90 [2019-03-29 02:06:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.14/6.90 [2019-03-29 02:06:32,128 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.14/6.90 [2019-03-29 02:06:32,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.14/6.90 [2019-03-29 02:06:32,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.14/6.90 [2019-03-29 02:06:32,170 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.14/6.90 [2019-03-29 02:06:32,175 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 15.14/6.90 [2019-03-29 02:06:32,176 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 15.14/6.90 [2019-03-29 02:06:32,205 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. 15.14/6.90 [2019-03-29 02:06:32,205 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 15.14/6.90 [2019-03-29 02:06:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.14/6.90 [2019-03-29 02:06:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 15.14/6.90 [2019-03-29 02:06:32,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 15.14/6.90 [2019-03-29 02:06:32,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.14/6.90 [2019-03-29 02:06:32,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 15.14/6.90 [2019-03-29 02:06:32,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.14/6.90 [2019-03-29 02:06:32,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 15.14/6.90 [2019-03-29 02:06:32,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.14/6.90 [2019-03-29 02:06:32,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 15.14/6.90 [2019-03-29 02:06:32,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.14/6.90 [2019-03-29 02:06:32,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 15.14/6.90 [2019-03-29 02:06:32,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 15.14/6.90 [2019-03-29 02:06:32,224 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 15.14/6.90 [2019-03-29 02:06:32,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 15.14/6.90 [2019-03-29 02:06:32,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.14/6.90 [2019-03-29 02:06:32,225 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 15.14/6.90 [2019-03-29 02:06:32,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 15.14/6.90 [2019-03-29 02:06:32,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 15.14/6.90 [2019-03-29 02:06:32,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 15.14/6.90 [2019-03-29 02:06:32,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 15.14/6.90 [2019-03-29 02:06:32,255 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 15.14/6.90 [2019-03-29 02:06:32,255 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 15.14/6.90 [2019-03-29 02:06:32,255 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.14/6.90 [2019-03-29 02:06:32,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 15.14/6.90 [2019-03-29 02:06:32,256 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.14/6.90 [2019-03-29 02:06:32,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.14/6.90 [2019-03-29 02:06:32,256 INFO L119 BuchiIsEmpty]: Starting construction of run 15.14/6.90 [2019-03-29 02:06:32,256 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.14/6.90 [2019-03-29 02:06:32,257 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.14/6.90 [2019-03-29 02:06:32,257 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 42#L17-2 [33] L17-2-->L19-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~y~0_9 1)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 44#L19-2 15.14/6.90 [2019-03-29 02:06:32,257 INFO L796 eck$LassoCheckResult]: Loop: 44#L19-2 [38] L19-2-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (* 2 v_ULTIMATE.start_main_~y~0_8)) (< v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, 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[ULTIMATE.start_main_~y~0] 44#L19-2 15.14/6.90 [2019-03-29 02:06:32,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.14/6.90 [2019-03-29 02:06:32,258 INFO L82 PathProgramCache]: Analyzing trace with hash 2048, now seen corresponding path program 1 times 15.14/6.90 [2019-03-29 02:06:32,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.14/6.90 [2019-03-29 02:06:32,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.14/6.90 [2019-03-29 02:06:32,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:32,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:32,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/6.90 [2019-03-29 02:06:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/6.90 [2019-03-29 02:06:32,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.14/6.90 [2019-03-29 02:06:32,266 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times 15.14/6.90 [2019-03-29 02:06:32,266 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.14/6.90 [2019-03-29 02:06:32,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.14/6.90 [2019-03-29 02:06:32,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:32,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:32,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/6.90 [2019-03-29 02:06:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/6.90 [2019-03-29 02:06:32,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.14/6.90 [2019-03-29 02:06:32,272 INFO L82 PathProgramCache]: Analyzing trace with hash 63526, now seen corresponding path program 1 times 15.14/6.90 [2019-03-29 02:06:32,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.14/6.90 [2019-03-29 02:06:32,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.14/6.90 [2019-03-29 02:06:32,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:32,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:32,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.14/6.90 [2019-03-29 02:06:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/6.90 [2019-03-29 02:06:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.14/6.90 [2019-03-29 02:06:32,311 INFO L216 LassoAnalysis]: Preferences: 15.14/6.90 [2019-03-29 02:06:32,311 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.14/6.90 [2019-03-29 02:06:32,312 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.14/6.90 [2019-03-29 02:06:32,312 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.14/6.90 [2019-03-29 02:06:32,312 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.14/6.90 [2019-03-29 02:06:32,312 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:32,312 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.14/6.90 [2019-03-29 02:06:32,312 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.14/6.90 [2019-03-29 02:06:32,312 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 15.14/6.90 [2019-03-29 02:06:32,312 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.14/6.90 [2019-03-29 02:06:32,313 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.14/6.90 [2019-03-29 02:06:32,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,389 INFO L300 LassoAnalysis]: Preprocessing complete. 15.14/6.90 [2019-03-29 02:06:32,389 INFO L412 LassoAnalysis]: Checking for nontermination... 15.14/6.90 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/6.90 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/6.90 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:32,400 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.14/6.90 [2019-03-29 02:06:32,400 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/6.90 [2019-03-29 02:06:32,428 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.14/6.90 [2019-03-29 02:06:32,429 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: [] 15.14/6.90 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/6.90 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/6.90 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:32,435 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.14/6.90 [2019-03-29 02:06:32,435 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/6.90 [2019-03-29 02:06:32,439 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.14/6.90 [2019-03-29 02:06:32,439 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.14/6.90 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/6.90 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/6.90 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:32,468 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.14/6.90 [2019-03-29 02:06:32,468 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/6.90 [2019-03-29 02:06:32,472 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.14/6.90 [2019-03-29 02:06:32,472 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.14/6.90 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/6.90 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/6.90 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:32,500 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.14/6.90 [2019-03-29 02:06:32,500 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/6.90 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.14/6.90 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.14/6.90 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:32,542 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.14/6.90 [2019-03-29 02:06:32,542 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.14/6.90 [2019-03-29 02:06:32,672 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.14/6.90 [2019-03-29 02:06:32,675 INFO L216 LassoAnalysis]: Preferences: 15.14/6.90 [2019-03-29 02:06:32,675 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.14/6.90 [2019-03-29 02:06:32,675 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.14/6.90 [2019-03-29 02:06:32,675 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.14/6.90 [2019-03-29 02:06:32,675 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.14/6.90 [2019-03-29 02:06:32,675 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.14/6.90 [2019-03-29 02:06:32,676 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.14/6.90 [2019-03-29 02:06:32,676 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.14/6.90 [2019-03-29 02:06:32,676 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 15.14/6.90 [2019-03-29 02:06:32,676 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.14/6.90 [2019-03-29 02:06:32,676 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.14/6.90 [2019-03-29 02:06:32,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.14/6.90 [2019-03-29 02:06:32,760 INFO L300 LassoAnalysis]: Preprocessing complete. 15.14/6.90 [2019-03-29 02:06:32,761 INFO L497 LassoAnalysis]: Using template 'affine'. 15.14/6.90 [2019-03-29 02:06:32,761 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.14/6.90 Termination analysis: LINEAR_WITH_GUESSES 15.14/6.90 Number of strict supporting invariants: 0 15.14/6.90 Number of non-strict supporting invariants: 1 15.14/6.90 Consider only non-deceasing supporting invariants: true 15.14/6.90 Simplify termination arguments: true 15.14/6.90 Simplify supporting invariants: trueOverapproximate stem: false 15.14/6.90 [2019-03-29 02:06:32,762 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.14/6.90 [2019-03-29 02:06:32,762 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.14/6.90 [2019-03-29 02:06:32,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.14/6.90 [2019-03-29 02:06:32,763 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.14/6.90 [2019-03-29 02:06:32,767 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.14/6.90 [2019-03-29 02:06:32,767 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.14/6.90 [2019-03-29 02:06:32,809 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.14/6.90 [2019-03-29 02:06:32,829 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.14/6.90 [2019-03-29 02:06:32,829 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. 15.14/6.90 [2019-03-29 02:06:32,830 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.14/6.90 [2019-03-29 02:06:32,832 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 15.14/6.90 [2019-03-29 02:06:32,832 INFO L518 LassoAnalysis]: Proved termination. 15.14/6.90 [2019-03-29 02:06:32,833 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.14/6.90 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 15.14/6.90 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] 15.14/6.90 [2019-03-29 02:06:32,837 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 15.14/6.90 [2019-03-29 02:06:32,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.14/6.90 [2019-03-29 02:06:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.14/6.90 [2019-03-29 02:06:32,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core 15.14/6.90 [2019-03-29 02:06:32,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.14/6.90 [2019-03-29 02:06:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.14/6.90 [2019-03-29 02:06:32,892 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core 15.14/6.90 [2019-03-29 02:06:32,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.14/6.90 [2019-03-29 02:06:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.14/6.90 [2019-03-29 02:06:32,913 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.14/6.90 [2019-03-29 02:06:32,913 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 15.14/6.90 [2019-03-29 02:06:32,914 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. 15.14/6.90 [2019-03-29 02:06:32,970 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 17 states and 26 transitions. Complement of second has 10 states. 15.14/6.90 [2019-03-29 02:06:32,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 15.14/6.90 [2019-03-29 02:06:32,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.14/6.90 [2019-03-29 02:06:32,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. 15.14/6.90 [2019-03-29 02:06:32,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. 15.14/6.90 [2019-03-29 02:06:32,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.14/6.90 [2019-03-29 02:06:32,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. 15.14/6.90 [2019-03-29 02:06:32,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.14/6.90 [2019-03-29 02:06:32,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. 15.14/6.90 [2019-03-29 02:06:32,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.14/6.90 [2019-03-29 02:06:32,978 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 26 transitions. 15.14/6.90 [2019-03-29 02:06:32,980 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.14/6.90 [2019-03-29 02:06:32,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. 15.14/6.90 [2019-03-29 02:06:32,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.14/6.90 [2019-03-29 02:06:32,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.14/6.90 [2019-03-29 02:06:32,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.14/6.90 [2019-03-29 02:06:32,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.14/6.90 [2019-03-29 02:06:32,980 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.14/6.90 [2019-03-29 02:06:32,981 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.14/6.90 [2019-03-29 02:06:32,981 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.14/6.90 [2019-03-29 02:06:32,981 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.14/6.90 [2019-03-29 02:06:32,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.14/6.90 [2019-03-29 02:06:32,981 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.14/6.90 [2019-03-29 02:06:32,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.14/6.90 [2019-03-29 02:06:32,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:32 BasicIcfg 15.14/6.90 [2019-03-29 02:06:32,988 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.14/6.90 [2019-03-29 02:06:32,988 INFO L168 Benchmark]: Toolchain (without parser) took 2383.35 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 563.9 MB in the beginning and 461.2 MB in the end (delta: 102.7 MB). Peak memory consumption was 143.0 MB. Max. memory is 50.3 GB. 15.14/6.90 [2019-03-29 02:06:32,990 INFO L168 Benchmark]: CDTParser took 0.16 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. 15.14/6.90 [2019-03-29 02:06:32,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.35 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 563.9 MB in the beginning and 657.6 MB in the end (delta: -93.7 MB). Peak memory consumption was 30.9 MB. Max. memory is 50.3 GB. 15.14/6.90 [2019-03-29 02:06:32,992 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.74 ms. Allocated memory is still 690.0 MB. Free memory was 657.6 MB in the beginning and 654.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.14/6.90 [2019-03-29 02:06:32,992 INFO L168 Benchmark]: Boogie Preprocessor took 19.60 ms. Allocated memory is still 690.0 MB. Free memory was 654.5 MB in the beginning and 653.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.14/6.90 [2019-03-29 02:06:32,993 INFO L168 Benchmark]: RCFGBuilder took 192.40 ms. Allocated memory is still 690.0 MB. Free memory was 653.1 MB in the beginning and 640.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 15.14/6.90 [2019-03-29 02:06:32,994 INFO L168 Benchmark]: BlockEncodingV2 took 72.90 ms. Allocated memory is still 690.0 MB. Free memory was 640.2 MB in the beginning and 634.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.14/6.90 [2019-03-29 02:06:32,994 INFO L168 Benchmark]: TraceAbstraction took 157.64 ms. Allocated memory is still 690.0 MB. Free memory was 634.8 MB in the beginning and 625.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.14/6.90 [2019-03-29 02:06:32,995 INFO L168 Benchmark]: BuchiAutomizer took 1600.49 ms. Allocated memory is still 690.0 MB. Free memory was 625.3 MB in the beginning and 461.2 MB in the end (delta: 164.1 MB). Peak memory consumption was 164.1 MB. Max. memory is 50.3 GB. 15.14/6.90 [2019-03-29 02:06:32,999 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.14/6.90 --- Results --- 15.14/6.90 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.14/6.90 - StatisticsResult: Initial Icfg 15.14/6.90 8 locations, 11 edges 15.14/6.90 - StatisticsResult: Encoded RCFG 15.14/6.90 3 locations, 4 edges 15.14/6.90 * Results from de.uni_freiburg.informatik.ultimate.core: 15.14/6.90 - StatisticsResult: Toolchain Benchmarks 15.14/6.90 Benchmark results are: 15.14/6.90 * CDTParser took 0.16 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. 15.14/6.90 * CACSL2BoogieTranslator took 297.35 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 563.9 MB in the beginning and 657.6 MB in the end (delta: -93.7 MB). Peak memory consumption was 30.9 MB. Max. memory is 50.3 GB. 15.14/6.90 * Boogie Procedure Inliner took 37.74 ms. Allocated memory is still 690.0 MB. Free memory was 657.6 MB in the beginning and 654.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.14/6.90 * Boogie Preprocessor took 19.60 ms. Allocated memory is still 690.0 MB. Free memory was 654.5 MB in the beginning and 653.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.14/6.90 * RCFGBuilder took 192.40 ms. Allocated memory is still 690.0 MB. Free memory was 653.1 MB in the beginning and 640.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 15.14/6.90 * BlockEncodingV2 took 72.90 ms. Allocated memory is still 690.0 MB. Free memory was 640.2 MB in the beginning and 634.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.14/6.90 * TraceAbstraction took 157.64 ms. Allocated memory is still 690.0 MB. Free memory was 634.8 MB in the beginning and 625.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.14/6.90 * BuchiAutomizer took 1600.49 ms. Allocated memory is still 690.0 MB. Free memory was 625.3 MB in the beginning and 461.2 MB in the end (delta: 164.1 MB). Peak memory consumption was 164.1 MB. Max. memory is 50.3 GB. 15.14/6.90 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.14/6.90 - AllSpecificationsHoldResult: All specifications hold 15.14/6.90 We were not able to verify any specifiation because the program does not contain any specification. 15.14/6.90 - InvariantResult [Line: 17]: Loop Invariant 15.14/6.90 Derived loop invariant: 1 15.14/6.90 - InvariantResult [Line: 19]: Loop Invariant 15.14/6.90 Derived loop invariant: 1 15.14/6.90 - StatisticsResult: Ultimate Automizer benchmark data 15.14/6.90 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.14/6.90 - StatisticsResult: Constructed decomposition of program 15.14/6.90 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 4 locations. 15.14/6.90 - StatisticsResult: Timing statistics 15.14/6.90 BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq162 hnf92 smp100 dnf100 smp100 tf104 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 15.14/6.90 - TerminationAnalysisResult: Termination proven 15.14/6.90 Buchi Automizer proved that your program is terminating 15.14/6.90 RESULT: Ultimate proved your program to be correct! 15.14/6.90 !SESSION 2019-03-29 02:06:27.308 ----------------------------------------------- 15.14/6.90 eclipse.buildId=unknown 15.14/6.90 java.version=1.8.0_181 15.14/6.90 java.vendor=Oracle Corporation 15.14/6.90 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.14/6.90 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.14/6.90 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.14/6.90 15.14/6.90 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:06:33.234 15.14/6.90 !MESSAGE The workspace will exit with unsaved changes in this session. 15.14/6.90 Received shutdown request... 15.14/6.90 Ultimate: 15.14/6.90 GTK+ Version Check 15.14/6.90 EOF