15.28/7.15 YES 15.28/7.15 15.28/7.15 Ultimate: Cannot open display: 15.28/7.15 This is Ultimate 0.1.24-8dc7c08-m 15.28/7.15 [2019-03-28 12:07:16,688 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.28/7.15 [2019-03-28 12:07:16,691 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.28/7.15 [2019-03-28 12:07:16,702 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.28/7.15 [2019-03-28 12:07:16,702 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.28/7.15 [2019-03-28 12:07:16,703 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.28/7.15 [2019-03-28 12:07:16,704 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.28/7.15 [2019-03-28 12:07:16,706 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.28/7.15 [2019-03-28 12:07:16,707 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.28/7.15 [2019-03-28 12:07:16,708 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.28/7.15 [2019-03-28 12:07:16,709 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.28/7.15 [2019-03-28 12:07:16,709 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.28/7.15 [2019-03-28 12:07:16,710 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.28/7.15 [2019-03-28 12:07:16,711 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.28/7.15 [2019-03-28 12:07:16,712 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.28/7.15 [2019-03-28 12:07:16,712 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.28/7.15 [2019-03-28 12:07:16,713 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.28/7.15 [2019-03-28 12:07:16,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.28/7.15 [2019-03-28 12:07:16,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.28/7.15 [2019-03-28 12:07:16,718 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.28/7.15 [2019-03-28 12:07:16,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.28/7.15 [2019-03-28 12:07:16,720 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.28/7.15 [2019-03-28 12:07:16,722 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.28/7.15 [2019-03-28 12:07:16,722 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.28/7.15 [2019-03-28 12:07:16,723 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.28/7.15 [2019-03-28 12:07:16,723 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.28/7.15 [2019-03-28 12:07:16,724 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.28/7.15 [2019-03-28 12:07:16,725 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.28/7.15 [2019-03-28 12:07:16,725 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.28/7.15 [2019-03-28 12:07:16,726 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.28/7.15 [2019-03-28 12:07:16,726 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.28/7.15 [2019-03-28 12:07:16,727 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.28/7.15 [2019-03-28 12:07:16,728 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.28/7.15 [2019-03-28 12:07:16,728 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.28/7.15 [2019-03-28 12:07:16,729 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.28/7.15 [2019-03-28 12:07:16,729 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.28/7.15 [2019-03-28 12:07:16,729 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.28/7.15 [2019-03-28 12:07:16,730 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.28/7.15 [2019-03-28 12:07:16,731 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.28/7.15 [2019-03-28 12:07:16,731 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 15.28/7.15 [2019-03-28 12:07:16,745 INFO L110 SettingsManager]: Loading preferences was successful 15.28/7.15 [2019-03-28 12:07:16,746 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.28/7.15 [2019-03-28 12:07:16,747 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.28/7.15 [2019-03-28 12:07:16,747 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.28/7.15 [2019-03-28 12:07:16,747 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.28/7.15 [2019-03-28 12:07:16,747 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.28/7.15 [2019-03-28 12:07:16,748 INFO L133 SettingsManager]: * Use SBE=true 15.28/7.15 [2019-03-28 12:07:16,748 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.28/7.15 [2019-03-28 12:07:16,748 INFO L133 SettingsManager]: * Use old map elimination=false 15.28/7.15 [2019-03-28 12:07:16,748 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.28/7.15 [2019-03-28 12:07:16,748 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.28/7.15 [2019-03-28 12:07:16,749 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.28/7.15 [2019-03-28 12:07:16,749 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.28/7.15 [2019-03-28 12:07:16,749 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.28/7.15 [2019-03-28 12:07:16,749 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:16,749 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.28/7.15 [2019-03-28 12:07:16,750 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.28/7.15 [2019-03-28 12:07:16,750 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.28/7.15 [2019-03-28 12:07:16,750 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.28/7.15 [2019-03-28 12:07:16,750 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.28/7.15 [2019-03-28 12:07:16,750 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.28/7.15 [2019-03-28 12:07:16,751 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.28/7.15 [2019-03-28 12:07:16,751 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.28/7.15 [2019-03-28 12:07:16,751 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.28/7.15 [2019-03-28 12:07:16,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.28/7.15 [2019-03-28 12:07:16,751 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.28/7.15 [2019-03-28 12:07:16,752 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.28/7.15 [2019-03-28 12:07:16,752 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.28/7.15 [2019-03-28 12:07:16,752 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.28/7.15 [2019-03-28 12:07:16,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.28/7.15 [2019-03-28 12:07:16,790 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.28/7.15 [2019-03-28 12:07:16,794 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.28/7.15 [2019-03-28 12:07:16,795 INFO L271 PluginConnector]: Initializing CDTParser... 15.28/7.15 [2019-03-28 12:07:16,796 INFO L276 PluginConnector]: CDTParser initialized 15.28/7.15 [2019-03-28 12:07:16,797 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 15.28/7.15 [2019-03-28 12:07:16,852 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/d2d4622e72a24912940eeba5b2bd5bde/FLAG96ab82923 15.28/7.15 [2019-03-28 12:07:17,187 INFO L307 CDTParser]: Found 1 translation units. 15.28/7.15 [2019-03-28 12:07:17,187 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 15.28/7.15 [2019-03-28 12:07:17,194 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/d2d4622e72a24912940eeba5b2bd5bde/FLAG96ab82923 15.28/7.15 [2019-03-28 12:07:17,592 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/d2d4622e72a24912940eeba5b2bd5bde 15.28/7.15 [2019-03-28 12:07:17,603 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.28/7.15 [2019-03-28 12:07:17,605 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.28/7.15 [2019-03-28 12:07:17,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.28/7.15 [2019-03-28 12:07:17,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.28/7.15 [2019-03-28 12:07:17,610 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.28/7.15 [2019-03-28 12:07:17,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:07:17" (1/1) ... 15.28/7.15 [2019-03-28 12:07:17,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49de93f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17, skipping insertion in model container 15.28/7.15 [2019-03-28 12:07:17,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:07:17" (1/1) ... 15.28/7.15 [2019-03-28 12:07:17,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.28/7.15 [2019-03-28 12:07:17,641 INFO L176 MainTranslator]: Built tables and reachable declarations 15.28/7.15 [2019-03-28 12:07:17,802 INFO L206 PostProcessor]: Analyzing one entry point: main 15.28/7.15 [2019-03-28 12:07:17,806 INFO L191 MainTranslator]: Completed pre-run 15.28/7.15 [2019-03-28 12:07:17,823 INFO L206 PostProcessor]: Analyzing one entry point: main 15.28/7.15 [2019-03-28 12:07:17,839 INFO L195 MainTranslator]: Completed translation 15.28/7.15 [2019-03-28 12:07:17,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17 WrapperNode 15.28/7.15 [2019-03-28 12:07:17,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.28/7.15 [2019-03-28 12:07:17,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.28/7.15 [2019-03-28 12:07:17,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.28/7.15 [2019-03-28 12:07:17,841 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.28/7.15 [2019-03-28 12:07:17,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17" (1/1) ... 15.28/7.15 [2019-03-28 12:07:17,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17" (1/1) ... 15.28/7.15 [2019-03-28 12:07:17,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.28/7.15 [2019-03-28 12:07:17,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.28/7.15 [2019-03-28 12:07:17,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.28/7.15 [2019-03-28 12:07:17,933 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.28/7.15 [2019-03-28 12:07:17,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17" (1/1) ... 15.28/7.15 [2019-03-28 12:07:17,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17" (1/1) ... 15.28/7.15 [2019-03-28 12:07:17,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17" (1/1) ... 15.28/7.15 [2019-03-28 12:07:17,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17" (1/1) ... 15.28/7.15 [2019-03-28 12:07:17,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17" (1/1) ... 15.28/7.15 [2019-03-28 12:07:17,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17" (1/1) ... 15.28/7.15 [2019-03-28 12:07:17,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17" (1/1) ... 15.28/7.15 [2019-03-28 12:07:17,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.28/7.15 [2019-03-28 12:07:17,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.28/7.15 [2019-03-28 12:07:17,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.28/7.15 [2019-03-28 12:07:17,953 INFO L276 PluginConnector]: RCFGBuilder initialized 15.28/7.15 [2019-03-28 12:07:17,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17" (1/1) ... 15.28/7.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.28/7.15 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.28/7.15 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.28/7.15 [2019-03-28 12:07:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.28/7.15 [2019-03-28 12:07:18,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.28/7.15 [2019-03-28 12:07:18,149 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.28/7.15 [2019-03-28 12:07:18,149 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 15.28/7.15 [2019-03-28 12:07:18,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:18 BoogieIcfgContainer 15.28/7.15 [2019-03-28 12:07:18,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.28/7.15 [2019-03-28 12:07:18,151 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.28/7.15 [2019-03-28 12:07:18,151 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.28/7.15 [2019-03-28 12:07:18,153 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.28/7.15 [2019-03-28 12:07:18,154 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:18" (1/1) ... 15.28/7.15 [2019-03-28 12:07:18,169 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 13 edges 15.28/7.15 [2019-03-28 12:07:18,170 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.28/7.15 [2019-03-28 12:07:18,171 INFO L263 BlockEncoder]: Using Maximize final states 15.28/7.15 [2019-03-28 12:07:18,172 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.28/7.15 [2019-03-28 12:07:18,172 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.28/7.15 [2019-03-28 12:07:18,174 INFO L296 BlockEncoder]: Using Remove sink states 15.28/7.15 [2019-03-28 12:07:18,175 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.28/7.15 [2019-03-28 12:07:18,175 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.28/7.15 [2019-03-28 12:07:18,191 INFO L185 BlockEncoder]: Using Use SBE 15.28/7.15 [2019-03-28 12:07:18,205 INFO L200 BlockEncoder]: SBE split 1 edges 15.28/7.15 [2019-03-28 12:07:18,209 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.28/7.15 [2019-03-28 12:07:18,211 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.28/7.15 [2019-03-28 12:07:18,226 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 15.28/7.15 [2019-03-28 12:07:18,229 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.28/7.15 [2019-03-28 12:07:18,230 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.28/7.15 [2019-03-28 12:07:18,230 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.28/7.15 [2019-03-28 12:07:18,230 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.28/7.15 [2019-03-28 12:07:18,231 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.28/7.15 [2019-03-28 12:07:18,231 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 8 edges 15.28/7.15 [2019-03-28 12:07:18,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:07:18 BasicIcfg 15.28/7.15 [2019-03-28 12:07:18,231 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.28/7.15 [2019-03-28 12:07:18,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.28/7.15 [2019-03-28 12:07:18,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.28/7.15 [2019-03-28 12:07:18,236 INFO L276 PluginConnector]: TraceAbstraction initialized 15.28/7.15 [2019-03-28 12:07:18,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:07:17" (1/4) ... 15.28/7.15 [2019-03-28 12:07:18,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44313a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:07:18, skipping insertion in model container 15.28/7.15 [2019-03-28 12:07:18,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17" (2/4) ... 15.28/7.15 [2019-03-28 12:07:18,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44313a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:07:18, skipping insertion in model container 15.28/7.15 [2019-03-28 12:07:18,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:18" (3/4) ... 15.28/7.15 [2019-03-28 12:07:18,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44313a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:07:18, skipping insertion in model container 15.28/7.15 [2019-03-28 12:07:18,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:07:18" (4/4) ... 15.28/7.15 [2019-03-28 12:07:18,239 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.28/7.15 [2019-03-28 12:07:18,249 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.28/7.15 [2019-03-28 12:07:18,259 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.28/7.15 [2019-03-28 12:07:18,276 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.28/7.15 [2019-03-28 12:07:18,304 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.28/7.15 [2019-03-28 12:07:18,305 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.28/7.15 [2019-03-28 12:07:18,305 INFO L383 AbstractCegarLoop]: Hoare is true 15.28/7.15 [2019-03-28 12:07:18,306 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.28/7.15 [2019-03-28 12:07:18,306 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.28/7.15 [2019-03-28 12:07:18,306 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.28/7.15 [2019-03-28 12:07:18,306 INFO L387 AbstractCegarLoop]: Difference is false 15.28/7.15 [2019-03-28 12:07:18,306 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.28/7.15 [2019-03-28 12:07:18,306 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.28/7.15 [2019-03-28 12:07:18,320 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 15.28/7.15 [2019-03-28 12:07:18,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.28/7.15 [2019-03-28 12:07:18,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 15.28/7.15 [2019-03-28 12:07:18,379 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.28/7.15 [2019-03-28 12:07:18,379 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 14) no Hoare annotation was computed. 15.28/7.15 [2019-03-28 12:07:18,379 INFO L448 ceAbstractionStarter]: For program point L10-2(lines 7 15) no Hoare annotation was computed. 15.28/7.15 [2019-03-28 12:07:18,379 INFO L448 ceAbstractionStarter]: For program point L7(lines 7 15) no Hoare annotation was computed. 15.28/7.15 [2019-03-28 12:07:18,380 INFO L451 ceAbstractionStarter]: At program point L6-2(lines 6 17) the Hoare annotation is: true 15.28/7.15 [2019-03-28 12:07:18,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:07:18 BasicIcfg 15.28/7.15 [2019-03-28 12:07:18,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.28/7.15 [2019-03-28 12:07:18,389 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.28/7.15 [2019-03-28 12:07:18,389 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.28/7.15 [2019-03-28 12:07:18,392 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.28/7.15 [2019-03-28 12:07:18,393 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.28/7.15 [2019-03-28 12:07:18,393 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:07:17" (1/5) ... 15.28/7.15 [2019-03-28 12:07:18,394 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@591df5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:07:18, skipping insertion in model container 15.28/7.15 [2019-03-28 12:07:18,394 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.28/7.15 [2019-03-28 12:07:18,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:17" (2/5) ... 15.28/7.15 [2019-03-28 12:07:18,395 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@591df5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:07:18, skipping insertion in model container 15.28/7.15 [2019-03-28 12:07:18,395 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.28/7.15 [2019-03-28 12:07:18,395 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:18" (3/5) ... 15.28/7.15 [2019-03-28 12:07:18,396 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@591df5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:07:18, skipping insertion in model container 15.28/7.15 [2019-03-28 12:07:18,396 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.28/7.15 [2019-03-28 12:07:18,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:07:18" (4/5) ... 15.28/7.15 [2019-03-28 12:07:18,396 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@591df5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:07:18, skipping insertion in model container 15.28/7.15 [2019-03-28 12:07:18,396 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.28/7.15 [2019-03-28 12:07:18,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:07:18" (5/5) ... 15.28/7.15 [2019-03-28 12:07:18,398 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.28/7.15 [2019-03-28 12:07:18,427 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.28/7.15 [2019-03-28 12:07:18,427 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.28/7.15 [2019-03-28 12:07:18,427 INFO L375 BuchiCegarLoop]: Hoare is true 15.28/7.15 [2019-03-28 12:07:18,428 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.28/7.15 [2019-03-28 12:07:18,428 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.28/7.15 [2019-03-28 12:07:18,428 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.28/7.15 [2019-03-28 12:07:18,428 INFO L379 BuchiCegarLoop]: Difference is false 15.28/7.15 [2019-03-28 12:07:18,428 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.28/7.15 [2019-03-28 12:07:18,428 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.28/7.15 [2019-03-28 12:07:18,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 15.28/7.15 [2019-03-28 12:07:18,450 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.28/7.15 [2019-03-28 12:07:18,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.28/7.15 [2019-03-28 12:07:18,451 INFO L119 BuchiIsEmpty]: Starting construction of run 15.28/7.15 [2019-03-28 12:07:18,458 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.28/7.15 [2019-03-28 12:07:18,458 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.28/7.15 [2019-03-28 12:07:18,458 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.28/7.15 [2019-03-28 12:07:18,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 15.28/7.15 [2019-03-28 12:07:18,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.28/7.15 [2019-03-28 12:07:18,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.28/7.15 [2019-03-28 12:07:18,459 INFO L119 BuchiIsEmpty]: Starting construction of run 15.28/7.15 [2019-03-28 12:07:18,460 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.28/7.15 [2019-03-28 12:07:18,460 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.28/7.15 [2019-03-28 12:07:18,465 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 7#L6-2true 15.28/7.15 [2019-03-28 12:07:18,465 INFO L796 eck$LassoCheckResult]: Loop: 7#L6-2true [44] L6-2-->L7: Formula: (< 0 (+ v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 5#L7true [36] L7-->L10-2: Formula: (and (< v_ULTIMATE.start_test_fun_~y_5 v_ULTIMATE.start_test_fun_~x_6) (= v_ULTIMATE.start_test_fun_~x_5 (+ v_ULTIMATE.start_test_fun_~x_6 (- 1)))) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_5} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 6#L10-2true [39] L10-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 7#L6-2true 15.28/7.15 [2019-03-28 12:07:18,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.28/7.15 [2019-03-28 12:07:18,471 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 15.28/7.15 [2019-03-28 12:07:18,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.28/7.15 [2019-03-28 12:07:18,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.28/7.15 [2019-03-28 12:07:18,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:18,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:18,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/7.15 [2019-03-28 12:07:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/7.15 [2019-03-28 12:07:18,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.28/7.15 [2019-03-28 12:07:18,550 INFO L82 PathProgramCache]: Analyzing trace with hash 73230, now seen corresponding path program 1 times 15.28/7.15 [2019-03-28 12:07:18,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.28/7.15 [2019-03-28 12:07:18,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.28/7.15 [2019-03-28 12:07:18,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:18,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:18,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/7.15 [2019-03-28 12:07:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/7.15 [2019-03-28 12:07:18,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.28/7.15 [2019-03-28 12:07:18,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1979854, now seen corresponding path program 1 times 15.28/7.15 [2019-03-28 12:07:18,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.28/7.15 [2019-03-28 12:07:18,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.28/7.15 [2019-03-28 12:07:18,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:18,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:18,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/7.15 [2019-03-28 12:07:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/7.15 [2019-03-28 12:07:18,637 INFO L216 LassoAnalysis]: Preferences: 15.28/7.15 [2019-03-28 12:07:18,638 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.28/7.15 [2019-03-28 12:07:18,638 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.28/7.15 [2019-03-28 12:07:18,638 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.28/7.15 [2019-03-28 12:07:18,639 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.28/7.15 [2019-03-28 12:07:18,639 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:18,639 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.28/7.15 [2019-03-28 12:07:18,639 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.28/7.15 [2019-03-28 12:07:18,639 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.28/7.15 [2019-03-28 12:07:18,639 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.28/7.15 [2019-03-28 12:07:18,640 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.28/7.15 [2019-03-28 12:07:18,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/7.15 [2019-03-28 12:07:18,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/7.15 [2019-03-28 12:07:18,738 INFO L300 LassoAnalysis]: Preprocessing complete. 15.28/7.15 [2019-03-28 12:07:18,739 INFO L412 LassoAnalysis]: Checking for nontermination... 15.28/7.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.28/7.15 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.28/7.15 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:18,746 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.28/7.15 [2019-03-28 12:07:18,746 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.28/7.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.28/7.15 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.28/7.15 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:18,779 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.28/7.15 [2019-03-28 12:07:18,779 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.28/7.15 [2019-03-28 12:07:18,802 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.28/7.15 [2019-03-28 12:07:18,802 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 15.28/7.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.28/7.15 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.28/7.15 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:18,831 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.28/7.15 [2019-03-28 12:07:18,831 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.28/7.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.28/7.15 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.28/7.15 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:18,863 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.28/7.15 [2019-03-28 12:07:18,863 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.28/7.15 [2019-03-28 12:07:19,004 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.28/7.15 [2019-03-28 12:07:19,007 INFO L216 LassoAnalysis]: Preferences: 15.28/7.15 [2019-03-28 12:07:19,007 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.28/7.15 [2019-03-28 12:07:19,007 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.28/7.15 [2019-03-28 12:07:19,008 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.28/7.15 [2019-03-28 12:07:19,008 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.28/7.15 [2019-03-28 12:07:19,008 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:19,008 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.28/7.15 [2019-03-28 12:07:19,008 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.28/7.15 [2019-03-28 12:07:19,008 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.28/7.15 [2019-03-28 12:07:19,008 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.28/7.15 [2019-03-28 12:07:19,009 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.28/7.15 [2019-03-28 12:07:19,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/7.15 [2019-03-28 12:07:19,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/7.15 [2019-03-28 12:07:19,067 INFO L300 LassoAnalysis]: Preprocessing complete. 15.28/7.15 [2019-03-28 12:07:19,073 INFO L497 LassoAnalysis]: Using template 'affine'. 15.28/7.15 [2019-03-28 12:07:19,075 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.28/7.15 Termination analysis: LINEAR_WITH_GUESSES 15.28/7.15 Number of strict supporting invariants: 0 15.28/7.15 Number of non-strict supporting invariants: 1 15.28/7.15 Consider only non-deceasing supporting invariants: true 15.28/7.15 Simplify termination arguments: true 15.28/7.15 Simplify supporting invariants: trueOverapproximate stem: false 15.28/7.15 [2019-03-28 12:07:19,076 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.28/7.15 [2019-03-28 12:07:19,076 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.28/7.15 [2019-03-28 12:07:19,077 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.28/7.15 [2019-03-28 12:07:19,077 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.28/7.15 [2019-03-28 12:07:19,077 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.28/7.15 [2019-03-28 12:07:19,080 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.28/7.15 [2019-03-28 12:07:19,080 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.28/7.15 [2019-03-28 12:07:19,087 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.28/7.15 [2019-03-28 12:07:19,088 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.28/7.15 Termination analysis: LINEAR_WITH_GUESSES 15.28/7.15 Number of strict supporting invariants: 0 15.28/7.15 Number of non-strict supporting invariants: 1 15.28/7.15 Consider only non-deceasing supporting invariants: true 15.28/7.15 Simplify termination arguments: true 15.28/7.15 Simplify supporting invariants: trueOverapproximate stem: false 15.28/7.15 [2019-03-28 12:07:19,089 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.28/7.15 [2019-03-28 12:07:19,089 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.28/7.15 [2019-03-28 12:07:19,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.28/7.15 [2019-03-28 12:07:19,089 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.28/7.15 [2019-03-28 12:07:19,089 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.28/7.15 [2019-03-28 12:07:19,090 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.28/7.15 [2019-03-28 12:07:19,090 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.28/7.15 [2019-03-28 12:07:19,097 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.28/7.15 [2019-03-28 12:07:19,105 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.28/7.15 [2019-03-28 12:07:19,105 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 15.28/7.15 [2019-03-28 12:07:19,107 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.28/7.15 [2019-03-28 12:07:19,108 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.28/7.15 [2019-03-28 12:07:19,108 INFO L518 LassoAnalysis]: Proved termination. 15.28/7.15 [2019-03-28 12:07:19,108 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.28/7.15 Ranking function f(ULTIMATE.start_test_fun_~x) = 1*ULTIMATE.start_test_fun_~x 15.28/7.15 Supporting invariants [] 15.28/7.15 [2019-03-28 12:07:19,110 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.28/7.15 [2019-03-28 12:07:19,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.28/7.15 [2019-03-28 12:07:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.28/7.15 [2019-03-28 12:07:19,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 15.28/7.15 [2019-03-28 12:07:19,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.28/7.15 [2019-03-28 12:07:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.28/7.15 [2019-03-28 12:07:19,166 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 15.28/7.15 [2019-03-28 12:07:19,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.28/7.15 [2019-03-28 12:07:19,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.28/7.15 [2019-03-28 12:07:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.28/7.15 [2019-03-28 12:07:19,265 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 15.28/7.15 [2019-03-28 12:07:19,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.28/7.15 [2019-03-28 12:07:19,273 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization 15.28/7.15 [2019-03-28 12:07:19,278 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 4 loop predicates 15.28/7.15 [2019-03-28 12:07:19,280 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states. Second operand 4 states. 15.28/7.15 [2019-03-28 12:07:19,436 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states.. Second operand 4 states. Result 24 states and 35 transitions. Complement of second has 11 states. 15.28/7.15 [2019-03-28 12:07:19,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 2 accepting loop states 15.28/7.15 [2019-03-28 12:07:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.28/7.15 [2019-03-28 12:07:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 27 transitions. 15.28/7.15 [2019-03-28 12:07:19,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 27 transitions. Stem has 1 letters. Loop has 3 letters. 15.28/7.15 [2019-03-28 12:07:19,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.28/7.15 [2019-03-28 12:07:19,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 27 transitions. Stem has 4 letters. Loop has 3 letters. 15.28/7.15 [2019-03-28 12:07:19,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.28/7.15 [2019-03-28 12:07:19,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 27 transitions. Stem has 1 letters. Loop has 6 letters. 15.28/7.15 [2019-03-28 12:07:19,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.28/7.15 [2019-03-28 12:07:19,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 35 transitions. 15.28/7.15 [2019-03-28 12:07:19,452 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 15.28/7.15 [2019-03-28 12:07:19,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 35 transitions. 15.28/7.15 [2019-03-28 12:07:19,457 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 15.28/7.15 [2019-03-28 12:07:19,457 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 15.28/7.15 [2019-03-28 12:07:19,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 35 transitions. 15.28/7.15 [2019-03-28 12:07:19,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.28/7.15 [2019-03-28 12:07:19,458 INFO L706 BuchiCegarLoop]: Abstraction has 24 states and 35 transitions. 15.28/7.15 [2019-03-28 12:07:19,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 35 transitions. 15.28/7.15 [2019-03-28 12:07:19,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 11. 15.28/7.15 [2019-03-28 12:07:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 15.28/7.15 [2019-03-28 12:07:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 17 transitions. 15.28/7.15 [2019-03-28 12:07:19,488 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 17 transitions. 15.28/7.15 [2019-03-28 12:07:19,488 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 17 transitions. 15.28/7.15 [2019-03-28 12:07:19,488 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.28/7.15 [2019-03-28 12:07:19,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 17 transitions. 15.28/7.15 [2019-03-28 12:07:19,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.28/7.15 [2019-03-28 12:07:19,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.28/7.15 [2019-03-28 12:07:19,489 INFO L119 BuchiIsEmpty]: Starting construction of run 15.28/7.15 [2019-03-28 12:07:19,490 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.28/7.15 [2019-03-28 12:07:19,490 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.28/7.15 [2019-03-28 12:07:19,490 INFO L794 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 96#L6-2 [44] L6-2-->L7: Formula: (< 0 (+ v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 97#L7 15.28/7.15 [2019-03-28 12:07:19,491 INFO L796 eck$LassoCheckResult]: Loop: 97#L7 [46] L7-->L10: Formula: (>= v_ULTIMATE.start_test_fun_~y_6 v_ULTIMATE.start_test_fun_~x_7) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[] 90#L10 [48] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_test_fun_~y_8 (+ v_ULTIMATE.start_test_fun_~y_9 (- 1))) (> v_ULTIMATE.start_test_fun_~y_9 v_ULTIMATE.start_test_fun_~x_10)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_9, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_10} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_8, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_10} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 91#L10-2 [39] L10-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 99#L6-2 [44] L6-2-->L7: Formula: (< 0 (+ v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 97#L7 15.28/7.15 [2019-03-28 12:07:19,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.28/7.15 [2019-03-28 12:07:19,491 INFO L82 PathProgramCache]: Analyzing trace with hash 2059, now seen corresponding path program 1 times 15.28/7.15 [2019-03-28 12:07:19,491 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.28/7.15 [2019-03-28 12:07:19,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.28/7.15 [2019-03-28 12:07:19,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:19,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:19,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/7.15 [2019-03-28 12:07:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/7.15 [2019-03-28 12:07:19,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.28/7.15 [2019-03-28 12:07:19,499 INFO L82 PathProgramCache]: Analyzing trace with hash 2341288, now seen corresponding path program 1 times 15.28/7.15 [2019-03-28 12:07:19,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.28/7.15 [2019-03-28 12:07:19,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.28/7.15 [2019-03-28 12:07:19,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:19,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:19,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/7.15 [2019-03-28 12:07:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/7.15 [2019-03-28 12:07:19,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.28/7.15 [2019-03-28 12:07:19,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1902947506, now seen corresponding path program 1 times 15.28/7.15 [2019-03-28 12:07:19,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.28/7.15 [2019-03-28 12:07:19,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.28/7.15 [2019-03-28 12:07:19,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:19,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:19,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/7.15 [2019-03-28 12:07:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/7.15 [2019-03-28 12:07:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/7.15 [2019-03-28 12:07:19,554 INFO L216 LassoAnalysis]: Preferences: 15.28/7.15 [2019-03-28 12:07:19,554 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.28/7.15 [2019-03-28 12:07:19,555 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.28/7.15 [2019-03-28 12:07:19,555 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.28/7.15 [2019-03-28 12:07:19,555 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.28/7.15 [2019-03-28 12:07:19,555 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:19,555 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.28/7.15 [2019-03-28 12:07:19,555 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.28/7.15 [2019-03-28 12:07:19,555 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.28/7.15 [2019-03-28 12:07:19,556 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.28/7.15 [2019-03-28 12:07:19,556 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.28/7.15 [2019-03-28 12:07:19,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/7.15 [2019-03-28 12:07:19,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/7.15 [2019-03-28 12:07:19,598 INFO L300 LassoAnalysis]: Preprocessing complete. 15.28/7.15 [2019-03-28 12:07:19,599 INFO L412 LassoAnalysis]: Checking for nontermination... 15.28/7.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.28/7.15 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.28/7.15 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:19,604 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.28/7.15 [2019-03-28 12:07:19,604 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.28/7.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.28/7.15 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.28/7.15 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:19,637 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.28/7.15 [2019-03-28 12:07:19,637 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.28/7.15 [2019-03-28 12:07:19,655 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.28/7.15 [2019-03-28 12:07:19,655 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 15.28/7.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.28/7.15 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.28/7.15 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:19,685 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.28/7.15 [2019-03-28 12:07:19,685 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.28/7.15 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.28/7.15 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.28/7.15 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:19,718 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.28/7.15 [2019-03-28 12:07:19,718 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.28/7.15 [2019-03-28 12:07:19,895 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.28/7.15 [2019-03-28 12:07:19,897 INFO L216 LassoAnalysis]: Preferences: 15.28/7.15 [2019-03-28 12:07:19,897 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.28/7.15 [2019-03-28 12:07:19,897 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.28/7.15 [2019-03-28 12:07:19,898 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.28/7.15 [2019-03-28 12:07:19,898 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.28/7.15 [2019-03-28 12:07:19,898 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.28/7.15 [2019-03-28 12:07:19,898 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.28/7.15 [2019-03-28 12:07:19,898 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.28/7.15 [2019-03-28 12:07:19,899 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.28/7.15 [2019-03-28 12:07:19,899 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.28/7.15 [2019-03-28 12:07:19,899 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.28/7.15 [2019-03-28 12:07:19,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/7.15 [2019-03-28 12:07:19,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/7.15 [2019-03-28 12:07:19,945 INFO L300 LassoAnalysis]: Preprocessing complete. 15.28/7.15 [2019-03-28 12:07:19,945 INFO L497 LassoAnalysis]: Using template 'affine'. 15.28/7.15 [2019-03-28 12:07:19,946 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.28/7.15 Termination analysis: LINEAR_WITH_GUESSES 15.28/7.15 Number of strict supporting invariants: 0 15.28/7.15 Number of non-strict supporting invariants: 1 15.28/7.15 Consider only non-deceasing supporting invariants: true 15.28/7.15 Simplify termination arguments: true 15.28/7.15 Simplify supporting invariants: trueOverapproximate stem: false 15.28/7.15 [2019-03-28 12:07:19,947 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.28/7.15 [2019-03-28 12:07:19,947 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.28/7.15 [2019-03-28 12:07:19,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.28/7.15 [2019-03-28 12:07:19,947 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.28/7.15 [2019-03-28 12:07:19,947 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.28/7.15 [2019-03-28 12:07:19,948 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.28/7.15 [2019-03-28 12:07:19,948 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.28/7.15 [2019-03-28 12:07:19,952 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.28/7.15 [2019-03-28 12:07:19,953 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.28/7.15 Termination analysis: LINEAR_WITH_GUESSES 15.28/7.15 Number of strict supporting invariants: 0 15.28/7.15 Number of non-strict supporting invariants: 1 15.28/7.15 Consider only non-deceasing supporting invariants: true 15.28/7.15 Simplify termination arguments: true 15.28/7.15 Simplify supporting invariants: trueOverapproximate stem: false 15.28/7.15 [2019-03-28 12:07:19,954 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.28/7.15 [2019-03-28 12:07:19,955 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.28/7.15 [2019-03-28 12:07:19,955 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.28/7.15 [2019-03-28 12:07:19,955 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.28/7.15 [2019-03-28 12:07:19,956 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.28/7.15 [2019-03-28 12:07:19,957 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.28/7.15 [2019-03-28 12:07:19,957 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.28/7.15 [2019-03-28 12:07:19,963 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.28/7.15 [2019-03-28 12:07:19,972 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. 15.28/7.15 [2019-03-28 12:07:19,972 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 15.28/7.15 [2019-03-28 12:07:19,973 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.28/7.15 [2019-03-28 12:07:19,973 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.28/7.15 [2019-03-28 12:07:19,973 INFO L518 LassoAnalysis]: Proved termination. 15.28/7.15 [2019-03-28 12:07:19,973 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.28/7.15 Ranking function f(ULTIMATE.start_test_fun_~y) = 1*ULTIMATE.start_test_fun_~y 15.28/7.15 Supporting invariants [] 15.28/7.15 [2019-03-28 12:07:19,974 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.28/7.15 [2019-03-28 12:07:19,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.28/7.15 [2019-03-28 12:07:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.28/7.15 [2019-03-28 12:07:19,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core 15.28/7.15 [2019-03-28 12:07:20,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.28/7.15 [2019-03-28 12:07:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.28/7.15 [2019-03-28 12:07:20,005 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core 15.28/7.15 [2019-03-28 12:07:20,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.28/7.15 [2019-03-28 12:07:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.28/7.15 [2019-03-28 12:07:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.28/7.15 [2019-03-28 12:07:20,086 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core 15.28/7.15 [2019-03-28 12:07:20,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.28/7.15 [2019-03-28 12:07:20,153 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 6 predicates after loop cannibalization 15.28/7.15 [2019-03-28 12:07:20,154 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 6 loop predicates 15.28/7.15 [2019-03-28 12:07:20,154 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 11 states and 17 transitions. cyclomatic complexity: 8 Second operand 4 states. 15.28/7.15 [2019-03-28 12:07:20,277 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 11 states and 17 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 70 states and 103 transitions. Complement of second has 26 states. 15.28/7.15 [2019-03-28 12:07:20,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 4 non-accepting loop states 2 accepting loop states 15.28/7.15 [2019-03-28 12:07:20,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.28/7.15 [2019-03-28 12:07:20,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 31 transitions. 15.28/7.15 [2019-03-28 12:07:20,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 31 transitions. Stem has 2 letters. Loop has 4 letters. 15.28/7.15 [2019-03-28 12:07:20,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.28/7.15 [2019-03-28 12:07:20,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 31 transitions. Stem has 6 letters. Loop has 4 letters. 15.28/7.15 [2019-03-28 12:07:20,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.28/7.15 [2019-03-28 12:07:20,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 31 transitions. Stem has 2 letters. Loop has 8 letters. 15.28/7.15 [2019-03-28 12:07:20,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.28/7.15 [2019-03-28 12:07:20,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 103 transitions. 15.28/7.15 [2019-03-28 12:07:20,287 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.28/7.15 [2019-03-28 12:07:20,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 0 states and 0 transitions. 15.28/7.15 [2019-03-28 12:07:20,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.28/7.15 [2019-03-28 12:07:20,288 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.28/7.15 [2019-03-28 12:07:20,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.28/7.15 [2019-03-28 12:07:20,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.28/7.15 [2019-03-28 12:07:20,288 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.28/7.15 [2019-03-28 12:07:20,288 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.28/7.15 [2019-03-28 12:07:20,288 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.28/7.15 [2019-03-28 12:07:20,288 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.28/7.15 [2019-03-28 12:07:20,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.28/7.15 [2019-03-28 12:07:20,288 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.28/7.15 [2019-03-28 12:07:20,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.28/7.15 [2019-03-28 12:07:20,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:07:20 BasicIcfg 15.28/7.15 [2019-03-28 12:07:20,295 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.28/7.15 [2019-03-28 12:07:20,295 INFO L168 Benchmark]: Toolchain (without parser) took 2691.46 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 559.6 MB in the beginning and 427.6 MB in the end (delta: 132.0 MB). Peak memory consumption was 157.7 MB. Max. memory is 50.3 GB. 15.28/7.15 [2019-03-28 12:07:20,297 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.28/7.16 [2019-03-28 12:07:20,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.23 ms. Allocated memory is still 649.6 MB. Free memory was 559.6 MB in the beginning and 550.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 15.28/7.16 [2019-03-28 12:07:20,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.31 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 550.0 MB in the beginning and 641.9 MB in the end (delta: -91.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 50.3 GB. 15.28/7.16 [2019-03-28 12:07:20,299 INFO L168 Benchmark]: Boogie Preprocessor took 20.08 ms. Allocated memory is still 675.3 MB. Free memory was 641.9 MB in the beginning and 638.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.28/7.16 [2019-03-28 12:07:20,299 INFO L168 Benchmark]: RCFGBuilder took 197.31 ms. Allocated memory is still 675.3 MB. Free memory was 638.8 MB in the beginning and 624.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 15.28/7.16 [2019-03-28 12:07:20,300 INFO L168 Benchmark]: BlockEncodingV2 took 80.80 ms. Allocated memory is still 675.3 MB. Free memory was 624.5 MB in the beginning and 618.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.28/7.16 [2019-03-28 12:07:20,301 INFO L168 Benchmark]: TraceAbstraction took 155.92 ms. Allocated memory is still 675.3 MB. Free memory was 618.0 MB in the beginning and 608.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.28/7.16 [2019-03-28 12:07:20,301 INFO L168 Benchmark]: BuchiAutomizer took 1905.92 ms. Allocated memory is still 675.3 MB. Free memory was 608.5 MB in the beginning and 427.6 MB in the end (delta: 181.0 MB). Peak memory consumption was 181.0 MB. Max. memory is 50.3 GB. 15.28/7.16 [2019-03-28 12:07:20,305 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.28/7.16 --- Results --- 15.28/7.16 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.28/7.16 - StatisticsResult: Initial Icfg 15.28/7.16 10 locations, 13 edges 15.28/7.16 - StatisticsResult: Encoded RCFG 15.28/7.16 5 locations, 8 edges 15.28/7.16 * Results from de.uni_freiburg.informatik.ultimate.core: 15.28/7.16 - StatisticsResult: Toolchain Benchmarks 15.28/7.16 Benchmark results are: 15.28/7.16 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.28/7.16 * CACSL2BoogieTranslator took 233.23 ms. Allocated memory is still 649.6 MB. Free memory was 559.6 MB in the beginning and 550.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 15.28/7.16 * Boogie Procedure Inliner took 92.31 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 550.0 MB in the beginning and 641.9 MB in the end (delta: -91.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 50.3 GB. 15.28/7.16 * Boogie Preprocessor took 20.08 ms. Allocated memory is still 675.3 MB. Free memory was 641.9 MB in the beginning and 638.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.28/7.16 * RCFGBuilder took 197.31 ms. Allocated memory is still 675.3 MB. Free memory was 638.8 MB in the beginning and 624.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 15.28/7.16 * BlockEncodingV2 took 80.80 ms. Allocated memory is still 675.3 MB. Free memory was 624.5 MB in the beginning and 618.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.28/7.16 * TraceAbstraction took 155.92 ms. Allocated memory is still 675.3 MB. Free memory was 618.0 MB in the beginning and 608.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.28/7.16 * BuchiAutomizer took 1905.92 ms. Allocated memory is still 675.3 MB. Free memory was 608.5 MB in the beginning and 427.6 MB in the end (delta: 181.0 MB). Peak memory consumption was 181.0 MB. Max. memory is 50.3 GB. 15.28/7.16 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.28/7.16 - AllSpecificationsHoldResult: All specifications hold 15.28/7.16 We were not able to verify any specifiation because the program does not contain any specification. 15.28/7.16 - InvariantResult [Line: 6]: Loop Invariant 15.28/7.16 Derived loop invariant: 1 15.28/7.16 - StatisticsResult: Ultimate Automizer benchmark data 15.28/7.16 CFG has 1 procedures, 5 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=5occurred 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 15.28/7.16 - StatisticsResult: Constructed decomposition of program 15.28/7.16 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 7 locations. One nondeterministic module has affine ranking function y and consists of 8 locations. 15.28/7.16 - StatisticsResult: Timing statistics 15.28/7.16 BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 34 SDslu, 22 SDs, 0 SdLazy, 81 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp75 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf95 smp100 dnf100 smp100 tf110 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 15.28/7.16 - TerminationAnalysisResult: Termination proven 15.28/7.16 Buchi Automizer proved that your program is terminating 15.28/7.16 RESULT: Ultimate proved your program to be correct! 15.28/7.16 !SESSION 2019-03-28 12:07:14.352 ----------------------------------------------- 15.28/7.16 eclipse.buildId=unknown 15.28/7.16 java.version=1.8.0_181 15.28/7.16 java.vendor=Oracle Corporation 15.28/7.16 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.28/7.16 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.28/7.16 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 15.28/7.16 15.28/7.16 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:07:20.539 15.28/7.16 !MESSAGE The workspace will exit with unsaved changes in this session. 15.28/7.16 Received shutdown request... 15.28/7.16 Ultimate: 15.28/7.16 GTK+ Version Check 15.28/7.16 EOF