12.64/6.18 NO 12.64/6.18 12.64/6.18 Ultimate: Cannot open display: 12.64/6.18 This is Ultimate 0.1.24-8dc7c08-m 12.64/6.18 [2019-03-28 12:32:44,639 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.64/6.18 [2019-03-28 12:32:44,641 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.64/6.18 [2019-03-28 12:32:44,654 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.64/6.18 [2019-03-28 12:32:44,654 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.64/6.18 [2019-03-28 12:32:44,655 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.64/6.18 [2019-03-28 12:32:44,656 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.64/6.18 [2019-03-28 12:32:44,658 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.64/6.18 [2019-03-28 12:32:44,659 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.64/6.18 [2019-03-28 12:32:44,660 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.64/6.18 [2019-03-28 12:32:44,661 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.64/6.18 [2019-03-28 12:32:44,661 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.64/6.18 [2019-03-28 12:32:44,662 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.64/6.18 [2019-03-28 12:32:44,663 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.64/6.18 [2019-03-28 12:32:44,664 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.64/6.18 [2019-03-28 12:32:44,665 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.64/6.18 [2019-03-28 12:32:44,665 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.64/6.18 [2019-03-28 12:32:44,667 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.64/6.18 [2019-03-28 12:32:44,669 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.64/6.18 [2019-03-28 12:32:44,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.64/6.18 [2019-03-28 12:32:44,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.64/6.18 [2019-03-28 12:32:44,672 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.64/6.18 [2019-03-28 12:32:44,675 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.64/6.18 [2019-03-28 12:32:44,675 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.64/6.18 [2019-03-28 12:32:44,675 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.64/6.18 [2019-03-28 12:32:44,676 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.64/6.18 [2019-03-28 12:32:44,676 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.64/6.18 [2019-03-28 12:32:44,677 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.64/6.18 [2019-03-28 12:32:44,677 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.64/6.18 [2019-03-28 12:32:44,678 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.64/6.18 [2019-03-28 12:32:44,679 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.64/6.18 [2019-03-28 12:32:44,680 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.64/6.18 [2019-03-28 12:32:44,680 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.64/6.18 [2019-03-28 12:32:44,681 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.64/6.18 [2019-03-28 12:32:44,681 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.64/6.18 [2019-03-28 12:32:44,681 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.64/6.18 [2019-03-28 12:32:44,682 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.64/6.18 [2019-03-28 12:32:44,683 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.64/6.18 [2019-03-28 12:32:44,683 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.64/6.18 [2019-03-28 12:32:44,684 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.64/6.18 [2019-03-28 12:32:44,698 INFO L110 SettingsManager]: Loading preferences was successful 12.64/6.18 [2019-03-28 12:32:44,699 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.64/6.18 [2019-03-28 12:32:44,700 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.64/6.18 [2019-03-28 12:32:44,700 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.64/6.18 [2019-03-28 12:32:44,700 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.64/6.18 [2019-03-28 12:32:44,700 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.64/6.18 [2019-03-28 12:32:44,700 INFO L133 SettingsManager]: * Use SBE=true 12.64/6.18 [2019-03-28 12:32:44,701 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.64/6.18 [2019-03-28 12:32:44,701 INFO L133 SettingsManager]: * Use old map elimination=false 12.64/6.18 [2019-03-28 12:32:44,701 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.64/6.18 [2019-03-28 12:32:44,701 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.64/6.18 [2019-03-28 12:32:44,701 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.64/6.18 [2019-03-28 12:32:44,702 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.64/6.18 [2019-03-28 12:32:44,702 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.64/6.18 [2019-03-28 12:32:44,702 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.64/6.18 [2019-03-28 12:32:44,702 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.64/6.18 [2019-03-28 12:32:44,702 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.64/6.18 [2019-03-28 12:32:44,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.64/6.18 [2019-03-28 12:32:44,703 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.64/6.18 [2019-03-28 12:32:44,703 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.64/6.18 [2019-03-28 12:32:44,703 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.64/6.18 [2019-03-28 12:32:44,703 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.64/6.18 [2019-03-28 12:32:44,703 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.64/6.18 [2019-03-28 12:32:44,703 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.64/6.18 [2019-03-28 12:32:44,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.64/6.18 [2019-03-28 12:32:44,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.64/6.18 [2019-03-28 12:32:44,704 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.64/6.18 [2019-03-28 12:32:44,704 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.64/6.18 [2019-03-28 12:32:44,704 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.64/6.18 [2019-03-28 12:32:44,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.64/6.18 [2019-03-28 12:32:44,743 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.64/6.18 [2019-03-28 12:32:44,747 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.64/6.18 [2019-03-28 12:32:44,748 INFO L271 PluginConnector]: Initializing CDTParser... 12.64/6.18 [2019-03-28 12:32:44,749 INFO L276 PluginConnector]: CDTParser initialized 12.64/6.18 [2019-03-28 12:32:44,749 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.64/6.18 [2019-03-28 12:32:44,820 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/78bd666cb4e349d3b80cbcdc64ec1808/FLAG007f04637 12.64/6.18 [2019-03-28 12:32:45,155 INFO L307 CDTParser]: Found 1 translation units. 12.64/6.18 [2019-03-28 12:32:45,156 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.64/6.18 [2019-03-28 12:32:45,163 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/78bd666cb4e349d3b80cbcdc64ec1808/FLAG007f04637 12.64/6.18 [2019-03-28 12:32:45,585 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/78bd666cb4e349d3b80cbcdc64ec1808 12.64/6.18 [2019-03-28 12:32:45,597 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.64/6.18 [2019-03-28 12:32:45,598 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.64/6.18 [2019-03-28 12:32:45,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.64/6.18 [2019-03-28 12:32:45,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.64/6.18 [2019-03-28 12:32:45,603 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.64/6.18 [2019-03-28 12:32:45,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:32:45" (1/1) ... 12.64/6.18 [2019-03-28 12:32:45,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b00aa81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45, skipping insertion in model container 12.64/6.18 [2019-03-28 12:32:45,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:32:45" (1/1) ... 12.64/6.18 [2019-03-28 12:32:45,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.64/6.18 [2019-03-28 12:32:45,632 INFO L176 MainTranslator]: Built tables and reachable declarations 12.64/6.18 [2019-03-28 12:32:45,787 INFO L206 PostProcessor]: Analyzing one entry point: main 12.64/6.18 [2019-03-28 12:32:45,792 INFO L191 MainTranslator]: Completed pre-run 12.64/6.18 [2019-03-28 12:32:45,807 INFO L206 PostProcessor]: Analyzing one entry point: main 12.64/6.18 [2019-03-28 12:32:45,882 INFO L195 MainTranslator]: Completed translation 12.64/6.18 [2019-03-28 12:32:45,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45 WrapperNode 12.64/6.18 [2019-03-28 12:32:45,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.64/6.18 [2019-03-28 12:32:45,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.64/6.18 [2019-03-28 12:32:45,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.64/6.18 [2019-03-28 12:32:45,884 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.64/6.18 [2019-03-28 12:32:45,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45" (1/1) ... 12.64/6.18 [2019-03-28 12:32:45,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45" (1/1) ... 12.64/6.18 [2019-03-28 12:32:45,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.64/6.18 [2019-03-28 12:32:45,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.64/6.18 [2019-03-28 12:32:45,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.64/6.18 [2019-03-28 12:32:45,921 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.64/6.18 [2019-03-28 12:32:45,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45" (1/1) ... 12.64/6.18 [2019-03-28 12:32:45,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45" (1/1) ... 12.64/6.18 [2019-03-28 12:32:45,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45" (1/1) ... 12.64/6.18 [2019-03-28 12:32:45,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45" (1/1) ... 12.64/6.18 [2019-03-28 12:32:45,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45" (1/1) ... 12.64/6.18 [2019-03-28 12:32:45,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45" (1/1) ... 12.64/6.18 [2019-03-28 12:32:45,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45" (1/1) ... 12.64/6.18 [2019-03-28 12:32:45,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.64/6.18 [2019-03-28 12:32:45,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.64/6.18 [2019-03-28 12:32:45,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.64/6.18 [2019-03-28 12:32:45,942 INFO L276 PluginConnector]: RCFGBuilder initialized 12.64/6.18 [2019-03-28 12:32:45,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45" (1/1) ... 12.64/6.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.64/6.18 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.64/6.18 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.64/6.18 [2019-03-28 12:32:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.64/6.18 [2019-03-28 12:32:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.64/6.18 [2019-03-28 12:32:46,130 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.64/6.18 [2019-03-28 12:32:46,130 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.64/6.18 [2019-03-28 12:32:46,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:46 BoogieIcfgContainer 12.64/6.18 [2019-03-28 12:32:46,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.64/6.18 [2019-03-28 12:32:46,132 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.64/6.18 [2019-03-28 12:32:46,132 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.64/6.18 [2019-03-28 12:32:46,134 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.64/6.18 [2019-03-28 12:32:46,135 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:46" (1/1) ... 12.64/6.18 [2019-03-28 12:32:46,149 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 12.64/6.18 [2019-03-28 12:32:46,151 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.64/6.18 [2019-03-28 12:32:46,152 INFO L263 BlockEncoder]: Using Maximize final states 12.64/6.18 [2019-03-28 12:32:46,152 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.64/6.18 [2019-03-28 12:32:46,153 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.64/6.18 [2019-03-28 12:32:46,155 INFO L296 BlockEncoder]: Using Remove sink states 12.64/6.18 [2019-03-28 12:32:46,155 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.64/6.18 [2019-03-28 12:32:46,156 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.64/6.18 [2019-03-28 12:32:46,169 INFO L185 BlockEncoder]: Using Use SBE 12.64/6.18 [2019-03-28 12:32:46,177 INFO L200 BlockEncoder]: SBE split 0 edges 12.64/6.18 [2019-03-28 12:32:46,182 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.64/6.18 [2019-03-28 12:32:46,184 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.64/6.18 [2019-03-28 12:32:46,194 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 12.64/6.18 [2019-03-28 12:32:46,197 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 12.64/6.18 [2019-03-28 12:32:46,198 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.64/6.18 [2019-03-28 12:32:46,198 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.64/6.18 [2019-03-28 12:32:46,202 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 12.64/6.18 [2019-03-28 12:32:46,202 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.64/6.18 [2019-03-28 12:32:46,202 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.64/6.18 [2019-03-28 12:32:46,202 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.64/6.18 [2019-03-28 12:32:46,203 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.64/6.18 [2019-03-28 12:32:46,203 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.64/6.18 [2019-03-28 12:32:46,203 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 12.64/6.18 [2019-03-28 12:32:46,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:46 BasicIcfg 12.64/6.18 [2019-03-28 12:32:46,204 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.64/6.18 [2019-03-28 12:32:46,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.64/6.18 [2019-03-28 12:32:46,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.64/6.18 [2019-03-28 12:32:46,208 INFO L276 PluginConnector]: TraceAbstraction initialized 12.64/6.18 [2019-03-28 12:32:46,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:32:45" (1/4) ... 12.64/6.18 [2019-03-28 12:32:46,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e28b22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:32:46, skipping insertion in model container 12.64/6.18 [2019-03-28 12:32:46,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45" (2/4) ... 12.64/6.18 [2019-03-28 12:32:46,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e28b22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:32:46, skipping insertion in model container 12.64/6.18 [2019-03-28 12:32:46,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:46" (3/4) ... 12.64/6.18 [2019-03-28 12:32:46,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e28b22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:46, skipping insertion in model container 12.64/6.18 [2019-03-28 12:32:46,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:46" (4/4) ... 12.64/6.18 [2019-03-28 12:32:46,212 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.64/6.18 [2019-03-28 12:32:46,223 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.64/6.18 [2019-03-28 12:32:46,230 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.64/6.18 [2019-03-28 12:32:46,248 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.64/6.18 [2019-03-28 12:32:46,278 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.64/6.18 [2019-03-28 12:32:46,279 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.64/6.18 [2019-03-28 12:32:46,279 INFO L383 AbstractCegarLoop]: Hoare is true 12.64/6.18 [2019-03-28 12:32:46,279 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.64/6.18 [2019-03-28 12:32:46,279 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.64/6.18 [2019-03-28 12:32:46,279 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.64/6.18 [2019-03-28 12:32:46,279 INFO L387 AbstractCegarLoop]: Difference is false 12.64/6.18 [2019-03-28 12:32:46,280 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.64/6.18 [2019-03-28 12:32:46,280 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.64/6.18 [2019-03-28 12:32:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 12.64/6.18 [2019-03-28 12:32:46,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.64/6.18 [2019-03-28 12:32:46,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 12.64/6.18 [2019-03-28 12:32:46,354 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.64/6.18 [2019-03-28 12:32:46,354 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 17) the Hoare annotation is: true 12.64/6.18 [2019-03-28 12:32:46,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:46 BasicIcfg 12.64/6.18 [2019-03-28 12:32:46,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.64/6.18 [2019-03-28 12:32:46,363 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.64/6.18 [2019-03-28 12:32:46,363 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.64/6.18 [2019-03-28 12:32:46,366 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.64/6.18 [2019-03-28 12:32:46,367 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.64/6.18 [2019-03-28 12:32:46,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:32:45" (1/5) ... 12.64/6.18 [2019-03-28 12:32:46,368 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d0af639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:32:46, skipping insertion in model container 12.64/6.18 [2019-03-28 12:32:46,368 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.64/6.18 [2019-03-28 12:32:46,369 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:45" (2/5) ... 12.64/6.18 [2019-03-28 12:32:46,369 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d0af639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:32:46, skipping insertion in model container 12.64/6.18 [2019-03-28 12:32:46,369 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.64/6.18 [2019-03-28 12:32:46,369 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:46" (3/5) ... 12.64/6.18 [2019-03-28 12:32:46,370 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d0af639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:46, skipping insertion in model container 12.64/6.18 [2019-03-28 12:32:46,370 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.64/6.18 [2019-03-28 12:32:46,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:46" (4/5) ... 12.64/6.18 [2019-03-28 12:32:46,370 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d0af639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:46, skipping insertion in model container 12.64/6.18 [2019-03-28 12:32:46,371 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.64/6.18 [2019-03-28 12:32:46,371 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:46" (5/5) ... 12.64/6.18 [2019-03-28 12:32:46,372 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.64/6.18 [2019-03-28 12:32:46,400 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.64/6.18 [2019-03-28 12:32:46,401 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.64/6.18 [2019-03-28 12:32:46,401 INFO L375 BuchiCegarLoop]: Hoare is true 12.64/6.18 [2019-03-28 12:32:46,401 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.64/6.18 [2019-03-28 12:32:46,401 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.64/6.18 [2019-03-28 12:32:46,402 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.64/6.18 [2019-03-28 12:32:46,402 INFO L379 BuchiCegarLoop]: Difference is false 12.64/6.18 [2019-03-28 12:32:46,402 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.64/6.18 [2019-03-28 12:32:46,402 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.64/6.18 [2019-03-28 12:32:46,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.64/6.18 [2019-03-28 12:32:46,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.64/6.18 [2019-03-28 12:32:46,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.64/6.18 [2019-03-28 12:32:46,424 INFO L119 BuchiIsEmpty]: Starting construction of run 12.64/6.18 [2019-03-28 12:32:46,429 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.64/6.18 [2019-03-28 12:32:46,429 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.64/6.18 [2019-03-28 12:32:46,429 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.64/6.18 [2019-03-28 12:32:46,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.64/6.18 [2019-03-28 12:32:46,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.64/6.18 [2019-03-28 12:32:46,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.64/6.18 [2019-03-28 12:32:46,430 INFO L119 BuchiIsEmpty]: Starting construction of run 12.64/6.18 [2019-03-28 12:32:46,431 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.64/6.18 [2019-03-28 12:32:46,431 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.64/6.18 [2019-03-28 12:32:46,436 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [23] ULTIMATE.startENTRY-->L11-2: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~old_x~0=v_ULTIMATE.start_main_~old_x~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~old_x~0, ULTIMATE.start_main_~x~0] 4#L11-2true 12.64/6.18 [2019-03-28 12:32:46,436 INFO L796 eck$LassoCheckResult]: Loop: 4#L11-2true [36] L11-2-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 |v_ULTIMATE.start_main_#t~nondet1_5|) (= v_ULTIMATE.start_main_~old_x~0_5 v_ULTIMATE.start_main_~x~0_10) (< 1 v_ULTIMATE.start_main_~x~0_10) (<= (* 2 v_ULTIMATE.start_main_~old_x~0_5) v_ULTIMATE.start_main_~x~0_9)) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_4|, ULTIMATE.start_main_~old_x~0=v_ULTIMATE.start_main_~old_x~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~old_x~0, ULTIMATE.start_main_~x~0] 4#L11-2true 12.64/6.18 [2019-03-28 12:32:46,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.64/6.18 [2019-03-28 12:32:46,443 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times 12.64/6.18 [2019-03-28 12:32:46,445 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.64/6.18 [2019-03-28 12:32:46,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.64/6.18 [2019-03-28 12:32:46,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.64/6.18 [2019-03-28 12:32:46,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.64/6.18 [2019-03-28 12:32:46,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.64/6.18 [2019-03-28 12:32:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.64/6.18 [2019-03-28 12:32:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.64/6.18 [2019-03-28 12:32:46,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.64/6.18 [2019-03-28 12:32:46,507 INFO L82 PathProgramCache]: Analyzing trace with hash 67, now seen corresponding path program 1 times 12.64/6.18 [2019-03-28 12:32:46,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.64/6.18 [2019-03-28 12:32:46,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.64/6.18 [2019-03-28 12:32:46,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.64/6.18 [2019-03-28 12:32:46,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.64/6.18 [2019-03-28 12:32:46,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.64/6.18 [2019-03-28 12:32:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.64/6.18 [2019-03-28 12:32:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.64/6.18 [2019-03-28 12:32:46,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.64/6.18 [2019-03-28 12:32:46,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1710, now seen corresponding path program 1 times 12.64/6.18 [2019-03-28 12:32:46,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.64/6.18 [2019-03-28 12:32:46,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.64/6.18 [2019-03-28 12:32:46,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.64/6.18 [2019-03-28 12:32:46,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.64/6.18 [2019-03-28 12:32:46,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.64/6.18 [2019-03-28 12:32:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.64/6.18 [2019-03-28 12:32:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.64/6.18 [2019-03-28 12:32:46,586 INFO L216 LassoAnalysis]: Preferences: 12.64/6.18 [2019-03-28 12:32:46,587 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.64/6.18 [2019-03-28 12:32:46,587 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.64/6.18 [2019-03-28 12:32:46,588 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.64/6.18 [2019-03-28 12:32:46,588 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.64/6.18 [2019-03-28 12:32:46,588 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.64/6.18 [2019-03-28 12:32:46,588 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.64/6.18 [2019-03-28 12:32:46,588 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.64/6.18 [2019-03-28 12:32:46,588 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.64/6.18 [2019-03-28 12:32:46,589 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.64/6.18 [2019-03-28 12:32:46,589 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.64/6.18 [2019-03-28 12:32:46,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.64/6.18 [2019-03-28 12:32:46,680 INFO L300 LassoAnalysis]: Preprocessing complete. 12.64/6.18 [2019-03-28 12:32:46,681 INFO L412 LassoAnalysis]: Checking for nontermination... 12.64/6.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.64/6.18 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.64/6.18 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.64/6.18 [2019-03-28 12:32:46,687 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.64/6.18 [2019-03-28 12:32:46,687 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.64/6.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.64/6.18 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.64/6.18 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.64/6.18 [2019-03-28 12:32:46,725 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.64/6.18 [2019-03-28 12:32:46,725 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.64/6.18 [2019-03-28 12:32:46,848 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.64/6.18 [2019-03-28 12:32:46,848 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=4, ULTIMATE.start_main_~old_x~0=6, ULTIMATE.start_main_~x~0=2} Honda state: {ULTIMATE.start_main_#t~nondet1=4, ULTIMATE.start_main_~old_x~0=6, ULTIMATE.start_main_~x~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_#t~nondet1=0, ULTIMATE.start_main_~old_x~0=-5, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_#t~nondet1=0, ULTIMATE.start_main_~old_x~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_#t~nondet1=4, ULTIMATE.start_main_~old_x~0=1, ULTIMATE.start_main_~x~0=2}] Lambdas: [0, 8, 2] Nus: [0, 0] 12.64/6.18 [2019-03-28 12:32:46,879 INFO L216 LassoAnalysis]: Preferences: 12.64/6.18 [2019-03-28 12:32:46,880 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.64/6.18 [2019-03-28 12:32:46,880 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.64/6.18 [2019-03-28 12:32:46,880 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.64/6.18 [2019-03-28 12:32:46,880 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.64/6.18 [2019-03-28 12:32:46,880 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.64/6.18 [2019-03-28 12:32:46,880 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.64/6.18 [2019-03-28 12:32:46,881 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.64/6.18 [2019-03-28 12:32:46,881 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 12.64/6.18 [2019-03-28 12:32:46,881 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.64/6.18 [2019-03-28 12:32:46,881 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.64/6.18 [2019-03-28 12:32:46,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.64/6.18 [2019-03-28 12:32:46,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.64/6.18 [2019-03-28 12:32:46,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.64/6.18 [2019-03-28 12:32:46,958 INFO L300 LassoAnalysis]: Preprocessing complete. 12.64/6.18 [2019-03-28 12:32:46,958 INFO L412 LassoAnalysis]: Checking for nontermination... 12.64/6.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.64/6.18 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.64/6.18 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.64/6.18 [2019-03-28 12:32:46,962 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.64/6.18 [2019-03-28 12:32:46,962 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.64/6.18 [2019-03-28 12:32:46,966 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.64/6.18 [2019-03-28 12:32:46,966 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: [] 12.64/6.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.64/6.18 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.64/6.18 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.64/6.18 [2019-03-28 12:32:46,995 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.64/6.18 [2019-03-28 12:32:46,996 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.64/6.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.64/6.18 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.64/6.18 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.64/6.18 [2019-03-28 12:32:47,030 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.64/6.18 [2019-03-28 12:32:47,031 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.64/6.18 [2019-03-28 12:32:47,151 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.64/6.18 [2019-03-28 12:32:47,152 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~old_x~0=6, ULTIMATE.start_main_#t~nondet1=4, ULTIMATE.start_main_~x~0=2} Honda state: {ULTIMATE.start_main_~old_x~0=6, ULTIMATE.start_main_#t~nondet1=4, ULTIMATE.start_main_~x~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~old_x~0=-5, ULTIMATE.start_main_#t~nondet1=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~old_x~0=0, ULTIMATE.start_main_#t~nondet1=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~old_x~0=1, ULTIMATE.start_main_#t~nondet1=4, ULTIMATE.start_main_~x~0=2}] Lambdas: [0, 8, 2] Nus: [0, 0] 12.64/6.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.64/6.18 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.64/6.18 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.64/6.18 [2019-03-28 12:32:47,179 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.64/6.18 [2019-03-28 12:32:47,179 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.64/6.18 [2019-03-28 12:32:47,183 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.64/6.18 [2019-03-28 12:32:47,183 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: [] 12.64/6.18 [2019-03-28 12:32:47,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:47 BasicIcfg 12.64/6.18 [2019-03-28 12:32:47,229 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.64/6.18 [2019-03-28 12:32:47,230 INFO L168 Benchmark]: Toolchain (without parser) took 1632.37 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 563.9 MB in the beginning and 548.1 MB in the end (delta: 15.8 MB). Peak memory consumption was 42.5 MB. Max. memory is 50.3 GB. 12.64/6.18 [2019-03-28 12:32:47,232 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. 12.64/6.18 [2019-03-28 12:32:47,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.37 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 563.9 MB in the beginning and 643.9 MB in the end (delta: -80.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 12.64/6.18 [2019-03-28 12:32:47,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 676.3 MB. Free memory was 643.9 MB in the beginning and 642.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.64/6.18 [2019-03-28 12:32:47,234 INFO L168 Benchmark]: Boogie Preprocessor took 21.14 ms. Allocated memory is still 676.3 MB. Free memory was 642.5 MB in the beginning and 639.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.64/6.18 [2019-03-28 12:32:47,234 INFO L168 Benchmark]: RCFGBuilder took 189.72 ms. Allocated memory is still 676.3 MB. Free memory was 639.4 MB in the beginning and 626.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 12.64/6.18 [2019-03-28 12:32:47,235 INFO L168 Benchmark]: BlockEncodingV2 took 72.07 ms. Allocated memory is still 676.3 MB. Free memory was 626.5 MB in the beginning and 622.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 12.64/6.18 [2019-03-28 12:32:47,235 INFO L168 Benchmark]: TraceAbstraction took 157.11 ms. Allocated memory is still 676.3 MB. Free memory was 621.1 MB in the beginning and 613.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 12.64/6.18 [2019-03-28 12:32:47,236 INFO L168 Benchmark]: BuchiAutomizer took 866.47 ms. Allocated memory is still 676.3 MB. Free memory was 613.0 MB in the beginning and 548.1 MB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 50.3 GB. 12.64/6.18 [2019-03-28 12:32:47,240 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.64/6.18 --- Results --- 12.64/6.18 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.64/6.18 - StatisticsResult: Initial Icfg 12.64/6.18 7 locations, 9 edges 12.64/6.18 - StatisticsResult: Encoded RCFG 12.64/6.18 2 locations, 2 edges 12.64/6.18 * Results from de.uni_freiburg.informatik.ultimate.core: 12.64/6.18 - StatisticsResult: Toolchain Benchmarks 12.64/6.18 Benchmark results are: 12.64/6.18 * 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. 12.64/6.18 * CACSL2BoogieTranslator took 284.37 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 563.9 MB in the beginning and 643.9 MB in the end (delta: -80.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 12.64/6.18 * Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 676.3 MB. Free memory was 643.9 MB in the beginning and 642.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.64/6.18 * Boogie Preprocessor took 21.14 ms. Allocated memory is still 676.3 MB. Free memory was 642.5 MB in the beginning and 639.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.64/6.18 * RCFGBuilder took 189.72 ms. Allocated memory is still 676.3 MB. Free memory was 639.4 MB in the beginning and 626.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 12.64/6.18 * BlockEncodingV2 took 72.07 ms. Allocated memory is still 676.3 MB. Free memory was 626.5 MB in the beginning and 622.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 12.64/6.18 * TraceAbstraction took 157.11 ms. Allocated memory is still 676.3 MB. Free memory was 621.1 MB in the beginning and 613.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 12.64/6.18 * BuchiAutomizer took 866.47 ms. Allocated memory is still 676.3 MB. Free memory was 613.0 MB in the beginning and 548.1 MB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 50.3 GB. 12.64/6.18 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.64/6.18 - AllSpecificationsHoldResult: All specifications hold 12.64/6.18 We were not able to verify any specifiation because the program does not contain any specification. 12.64/6.18 - InvariantResult [Line: 11]: Loop Invariant 12.64/6.18 Derived loop invariant: 1 12.64/6.18 - StatisticsResult: Ultimate Automizer benchmark data 12.64/6.18 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 12.64/6.18 - StatisticsResult: Constructed decomposition of program 12.64/6.18 Trivial decomposition into one nonterminating module. 12.64/6.18 - StatisticsResult: Timing statistics 12.64/6.18 BüchiAutomizer plugin needed 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf91 smp100 dnf100 smp100 tf109 neg100 sie108 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 12.64/6.18 - TerminationAnalysisResult: Nontermination possible 12.64/6.18 Buchi Automizer proved that your program is nonterminating for some inputs 12.64/6.18 - GeometricNonTerminationArgumentResult [Line: 11]: Nontermination argument in form of an infinite program execution. 12.64/6.18 Nontermination argument in form of an infinite execution 12.64/6.18 {|ULTIMATE.start_main_#t~nondet0|=0, |ULTIMATE.start_main_#t~nondet1|=4, ULTIMATE.start_main_~old_x~0=6, ULTIMATE.start_main_~x~0=2, |ULTIMATE.start_main_#res|=0} 12.64/6.18 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6199ce91=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fe605de=4, old_x=6, x=2} 12.64/6.18 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6199ce91=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fe605de=8, old_x=2, x=4} 12.64/6.18 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6199ce91=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fe605de=16, old_x=4, x=8} 12.64/6.18 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6199ce91=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fe605de=32, old_x=8, x=16} 12.64/6.18 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6199ce91=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fe605de=64, old_x=16, x=32} 12.64/6.18 - StatisticsResult: NonterminationArgumentStatistics 12.64/6.18 Unbounded Execution 2GEVs Lambdas: [0, 8, 2] Mus: [0, 0] 12.64/6.18 - NonterminatingLassoResult [Line: 11]: Nonterminating execution 12.64/6.18 Found a nonterminating execution for the following lasso shaped sequence of statements. 12.64/6.18 Stem: 12.64/6.18 [L10] int x = __VERIFIER_nondet_int(); 12.64/6.18 Loop: 12.64/6.18 [L11] COND TRUE x > 1 12.64/6.18 [L12] int old_x = x; 12.64/6.18 [L13] x = __VERIFIER_nondet_int() 12.64/6.18 [L14] COND FALSE !(x < 2*old_x) 12.64/6.18 End of lasso representation. 12.64/6.18 RESULT: Ultimate proved your program to be incorrect! 12.64/6.18 !SESSION 2019-03-28 12:32:42.311 ----------------------------------------------- 12.64/6.18 eclipse.buildId=unknown 12.64/6.18 java.version=1.8.0_181 12.64/6.18 java.vendor=Oracle Corporation 12.64/6.18 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.64/6.18 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.64/6.18 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 12.64/6.18 12.64/6.18 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:32:47.477 12.64/6.18 !MESSAGE The workspace will exit with unsaved changes in this session. 12.64/6.18 Received shutdown request... 12.64/6.18 Ultimate: 12.64/6.18 GTK+ Version Check 12.64/6.18 EOF