NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 00:25:08,525 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 00:25:08,528 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 00:25:08,539 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 00:25:08,539 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 00:25:08,540 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 00:25:08,541 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 00:25:08,543 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 00:25:08,545 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 00:25:08,545 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 00:25:08,546 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 00:25:08,547 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 00:25:08,547 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 00:25:08,548 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 00:25:08,549 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 00:25:08,550 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 00:25:08,551 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 00:25:08,552 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 00:25:08,555 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 00:25:08,556 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 00:25:08,557 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 00:25:08,558 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 00:25:08,560 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 00:25:08,560 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 00:25:08,561 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 00:25:08,561 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 00:25:08,562 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 00:25:08,563 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 00:25:08,563 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 00:25:08,563 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 00:25:08,564 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 00:25:08,565 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 00:25:08,566 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 00:25:08,566 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 00:25:08,567 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 00:25:08,567 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 00:25:08,567 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 00:25:08,568 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 00:25:08,568 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 00:25:08,569 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 00:25:08,583 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 00:25:08,583 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 00:25:08,584 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 00:25:08,584 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 00:25:08,584 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 00:25:08,585 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 00:25:08,585 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 00:25:08,585 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 00:25:08,585 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 00:25:08,585 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 00:25:08,586 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 00:25:08,586 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 00:25:08,586 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 00:25:08,586 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 00:25:08,586 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:25:08,586 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 00:25:08,587 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 00:25:08,587 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 00:25:08,587 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 00:25:08,587 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 00:25:08,587 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 00:25:08,588 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 00:25:08,588 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 00:25:08,588 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 00:25:08,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 00:25:08,588 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 00:25:08,588 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 00:25:08,589 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 00:25:08,589 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 00:25:08,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 00:25:08,627 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 00:25:08,631 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 00:25:08,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 00:25:08,632 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 00:25:08,633 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 00:25:08,703 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/49ed2910af494cc1b54724a867d5874c/FLAGe6604af74 [2020-06-22 00:25:09,083 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 00:25:09,084 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 00:25:09,093 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/49ed2910af494cc1b54724a867d5874c/FLAGe6604af74 [2020-06-22 00:25:09,504 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/49ed2910af494cc1b54724a867d5874c [2020-06-22 00:25:09,526 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 00:25:09,529 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 00:25:09,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 00:25:09,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 00:25:09,537 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 00:25:09,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 12:25:09" (1/1) ... [2020-06-22 00:25:09,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b6a8df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09, skipping insertion in model container [2020-06-22 00:25:09,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 12:25:09" (1/1) ... [2020-06-22 00:25:09,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 00:25:09,604 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 00:25:09,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 00:25:09,897 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 00:25:09,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 00:25:09,963 INFO L195 MainTranslator]: Completed translation [2020-06-22 00:25:09,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09 WrapperNode [2020-06-22 00:25:09,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 00:25:09,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 00:25:09,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 00:25:09,965 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 00:25:09,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09" (1/1) ... [2020-06-22 00:25:09,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09" (1/1) ... [2020-06-22 00:25:10,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 00:25:10,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 00:25:10,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 00:25:10,021 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 00:25:10,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09" (1/1) ... [2020-06-22 00:25:10,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09" (1/1) ... [2020-06-22 00:25:10,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09" (1/1) ... [2020-06-22 00:25:10,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09" (1/1) ... [2020-06-22 00:25:10,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09" (1/1) ... [2020-06-22 00:25:10,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09" (1/1) ... [2020-06-22 00:25:10,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09" (1/1) ... [2020-06-22 00:25:10,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 00:25:10,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 00:25:10,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 00:25:10,055 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 00:25:10,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 00:25:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_msg_t [2020-06-22 00:25:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 00:25:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 00:25:10,533 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 00:25:10,533 INFO L286 CfgBuilder]: Removed 20 assue(true) statements. [2020-06-22 00:25:10,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:25:10 BoogieIcfgContainer [2020-06-22 00:25:10,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 00:25:10,535 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 00:25:10,535 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 00:25:10,537 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 00:25:10,538 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:25:10" (1/1) ... [2020-06-22 00:25:10,561 INFO L313 BlockEncoder]: Initial Icfg 77 locations, 128 edges [2020-06-22 00:25:10,562 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 00:25:10,563 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 00:25:10,564 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 00:25:10,564 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 00:25:10,566 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 00:25:10,567 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 00:25:10,567 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 00:25:10,609 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 00:25:10,659 INFO L200 BlockEncoder]: SBE split 54 edges [2020-06-22 00:25:10,665 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility [2020-06-22 00:25:10,667 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 00:25:10,683 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-22 00:25:10,686 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states [2020-06-22 00:25:10,688 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 00:25:10,688 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 00:25:10,688 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 00:25:10,689 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 00:25:10,690 INFO L313 BlockEncoder]: Encoded RCFG 72 locations, 184 edges [2020-06-22 00:25:10,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 12:25:10 BasicIcfg [2020-06-22 00:25:10,690 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 00:25:10,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 00:25:10,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 00:25:10,694 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 00:25:10,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 12:25:09" (1/4) ... [2020-06-22 00:25:10,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1e2260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:25:10, skipping insertion in model container [2020-06-22 00:25:10,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09" (2/4) ... [2020-06-22 00:25:10,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1e2260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:25:10, skipping insertion in model container [2020-06-22 00:25:10,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:25:10" (3/4) ... [2020-06-22 00:25:10,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1e2260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:25:10, skipping insertion in model container [2020-06-22 00:25:10,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 12:25:10" (4/4) ... [2020-06-22 00:25:10,698 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 00:25:10,708 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 00:25:10,716 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 00:25:10,733 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 00:25:10,763 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 00:25:10,763 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 00:25:10,764 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 00:25:10,764 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 00:25:10,764 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 00:25:10,764 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 00:25:10,764 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 00:25:10,764 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 00:25:10,764 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 00:25:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-06-22 00:25:10,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 00:25:10,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 72 states. [2020-06-22 00:25:10,850 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 161) no Hoare annotation was computed. [2020-06-22 00:25:10,850 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2020-06-22 00:25:10,850 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 360) no Hoare annotation was computed. [2020-06-22 00:25:10,850 INFO L448 ceAbstractionStarter]: For program point L159-2(lines 156 161) no Hoare annotation was computed. [2020-06-22 00:25:10,850 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 233) no Hoare annotation was computed. [2020-06-22 00:25:10,851 INFO L448 ceAbstractionStarter]: For program point L126-2(line 126) no Hoare annotation was computed. [2020-06-22 00:25:10,851 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 127) no Hoare annotation was computed. [2020-06-22 00:25:10,851 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 245) no Hoare annotation was computed. [2020-06-22 00:25:10,851 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 257) no Hoare annotation was computed. [2020-06-22 00:25:10,851 INFO L448 ceAbstractionStarter]: For program point L147(lines 147 149) no Hoare annotation was computed. [2020-06-22 00:25:10,851 INFO L448 ceAbstractionStarter]: For program point L209(lines 209 269) no Hoare annotation was computed. [2020-06-22 00:25:10,852 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 187) no Hoare annotation was computed. [2020-06-22 00:25:10,852 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 152) no Hoare annotation was computed. [2020-06-22 00:25:10,852 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 176 187) no Hoare annotation was computed. [2020-06-22 00:25:10,852 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 370) no Hoare annotation was computed. [2020-06-22 00:25:10,852 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 163) no Hoare annotation was computed. [2020-06-22 00:25:10,852 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 119) no Hoare annotation was computed. [2020-06-22 00:25:10,852 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 106 119) no Hoare annotation was computed. [2020-06-22 00:25:10,853 INFO L451 ceAbstractionStarter]: At program point L139-2(lines 133 166) the Hoare annotation is: true [2020-06-22 00:25:10,853 INFO L451 ceAbstractionStarter]: At program point L296(lines 279 298) the Hoare annotation is: true [2020-06-22 00:25:10,853 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 129) no Hoare annotation was computed. [2020-06-22 00:25:10,853 INFO L451 ceAbstractionStarter]: At program point L102-2(lines 96 132) the Hoare annotation is: true [2020-06-22 00:25:10,853 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 195) no Hoare annotation was computed. [2020-06-22 00:25:10,854 INFO L451 ceAbstractionStarter]: At program point L354-2(lines 354 358) the Hoare annotation is: true [2020-06-22 00:25:10,854 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2020-06-22 00:25:10,854 INFO L448 ceAbstractionStarter]: For program point L288(lines 288 292) no Hoare annotation was computed. [2020-06-22 00:25:10,854 INFO L448 ceAbstractionStarter]: For program point L193-2(lines 190 195) no Hoare annotation was computed. [2020-06-22 00:25:10,854 INFO L448 ceAbstractionStarter]: For program point L160-2(line 160) no Hoare annotation was computed. [2020-06-22 00:25:10,854 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 230) no Hoare annotation was computed. [2020-06-22 00:25:10,854 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 00:25:10,855 INFO L448 ceAbstractionStarter]: For program point L156(lines 156 161) no Hoare annotation was computed. [2020-06-22 00:25:10,855 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 295) no Hoare annotation was computed. [2020-06-22 00:25:10,855 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2020-06-22 00:25:10,855 INFO L448 ceAbstractionStarter]: For program point L284-1(lines 284 295) no Hoare annotation was computed. [2020-06-22 00:25:10,855 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 242) no Hoare annotation was computed. [2020-06-22 00:25:10,855 INFO L448 ceAbstractionStarter]: For program point L123-2(line 123) no Hoare annotation was computed. [2020-06-22 00:25:10,855 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 254) no Hoare annotation was computed. [2020-06-22 00:25:10,855 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 183) no Hoare annotation was computed. [2020-06-22 00:25:10,856 INFO L451 ceAbstractionStarter]: At program point L276(lines 202 278) the Hoare annotation is: true [2020-06-22 00:25:10,856 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 266) no Hoare annotation was computed. [2020-06-22 00:25:10,856 INFO L448 ceAbstractionStarter]: For program point L177(lines 177 186) no Hoare annotation was computed. [2020-06-22 00:25:10,856 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 149) no Hoare annotation was computed. [2020-06-22 00:25:10,856 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 115) no Hoare annotation was computed. [2020-06-22 00:25:10,856 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 197) no Hoare annotation was computed. [2020-06-22 00:25:10,856 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 118) no Hoare annotation was computed. [2020-06-22 00:25:10,857 INFO L451 ceAbstractionStarter]: At program point L173-2(lines 167 200) the Hoare annotation is: true [2020-06-22 00:25:10,857 INFO L448 ceAbstractionStarter]: For program point L194(line 194) no Hoare annotation was computed. [2020-06-22 00:25:10,857 INFO L448 ceAbstractionStarter]: For program point L194-2(line 194) no Hoare annotation was computed. [2020-06-22 00:25:10,857 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 227) no Hoare annotation was computed. [2020-06-22 00:25:10,857 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 195) no Hoare annotation was computed. [2020-06-22 00:25:10,857 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2020-06-22 00:25:10,857 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 292) no Hoare annotation was computed. [2020-06-22 00:25:10,857 INFO L448 ceAbstractionStarter]: For program point L219(lines 219 239) no Hoare annotation was computed. [2020-06-22 00:25:10,858 INFO L448 ceAbstractionStarter]: For program point L157-2(line 157) no Hoare annotation was computed. [2020-06-22 00:25:10,858 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 251) no Hoare annotation was computed. [2020-06-22 00:25:10,858 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 263) no Hoare annotation was computed. [2020-06-22 00:25:10,858 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 183) no Hoare annotation was computed. [2020-06-22 00:25:10,858 INFO L448 ceAbstractionStarter]: For program point L207(lines 207 275) no Hoare annotation was computed. [2020-06-22 00:25:10,858 INFO L448 ceAbstractionStarter]: For program point L207-1(lines 207 275) no Hoare annotation was computed. [2020-06-22 00:25:10,858 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 115) no Hoare annotation was computed. [2020-06-22 00:25:10,859 INFO L451 ceAbstractionStarter]: At program point L331-2(lines 331 346) the Hoare annotation is: true [2020-06-22 00:25:10,859 INFO L448 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2020-06-22 00:25:10,859 INFO L448 ceAbstractionStarter]: For program point L125(lines 125 127) no Hoare annotation was computed. [2020-06-22 00:25:10,859 INFO L448 ceAbstractionStarter]: For program point L191-2(line 191) no Hoare annotation was computed. [2020-06-22 00:25:10,859 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 236) no Hoare annotation was computed. [2020-06-22 00:25:10,859 INFO L448 ceAbstractionStarter]: For program point L125-2(lines 122 127) no Hoare annotation was computed. [2020-06-22 00:25:10,859 INFO L448 ceAbstractionStarter]: For program point L216(lines 216 248) no Hoare annotation was computed. [2020-06-22 00:25:10,860 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 260) no Hoare annotation was computed. [2020-06-22 00:25:10,860 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 272) no Hoare annotation was computed. [2020-06-22 00:25:10,860 INFO L448 ceAbstractionStarter]: For program point L142(lines 142 153) no Hoare annotation was computed. [2020-06-22 00:25:10,860 INFO L448 ceAbstractionStarter]: For program point L142-1(lines 142 153) no Hoare annotation was computed. [2020-06-22 00:25:10,860 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 372) no Hoare annotation was computed. [2020-06-22 00:25:10,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:25:10 BasicIcfg [2020-06-22 00:25:10,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 00:25:10,871 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 00:25:10,871 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 00:25:10,875 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 00:25:10,876 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:25:10,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 12:25:09" (1/5) ... [2020-06-22 00:25:10,877 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54a24c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 12:25:10, skipping insertion in model container [2020-06-22 00:25:10,877 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:25:10,877 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:25:09" (2/5) ... [2020-06-22 00:25:10,877 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54a24c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 12:25:10, skipping insertion in model container [2020-06-22 00:25:10,877 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:25:10,877 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:25:10" (3/5) ... [2020-06-22 00:25:10,878 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54a24c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 12:25:10, skipping insertion in model container [2020-06-22 00:25:10,878 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:25:10,878 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 12:25:10" (4/5) ... [2020-06-22 00:25:10,878 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54a24c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 12:25:10, skipping insertion in model container [2020-06-22 00:25:10,878 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:25:10,879 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:25:10" (5/5) ... [2020-06-22 00:25:10,880 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 00:25:10,905 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 00:25:10,905 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 00:25:10,905 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 00:25:10,905 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 00:25:10,905 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 00:25:10,905 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 00:25:10,906 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 00:25:10,906 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 00:25:10,906 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 00:25:10,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2020-06-22 00:25:10,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2020-06-22 00:25:10,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 00:25:10,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 00:25:10,942 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-06-22 00:25:10,942 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 00:25:10,942 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 00:25:10,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2020-06-22 00:25:10,948 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2020-06-22 00:25:10,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 00:25:10,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 00:25:10,949 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-06-22 00:25:10,949 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 00:25:10,954 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue [648] ULTIMATE.startENTRY-->L207: Formula: (and (= v_~p2~0_2 0) (= v_~p2_new~0_11 0) (= (store (store (store v_~nodes~0.offset_6 0 |#funAddr~node1.offset|) 1 |#funAddr~node2.offset|) 2 |#funAddr~node3.offset|) v_~nodes~0.offset_5) (= 0 v_~p2_old~0_6) (= v_~p3_old~0_6 0) (= v_~p3~0_2 0) (= v_~p1~0_2 0) (= (store (store (store v_~nodes~0.base_6 0 |#funAddr~node1.base|) 1 |#funAddr~node2.base|) 2 |#funAddr~node3.base|) v_~nodes~0.base_5) (= (- 1) v_~nomsg~0_28) (= 0 v_ULTIMATE.start_main_~c1~0_7) (= v_~p1_old~0_6 0) (= v_~p1_new~0_11 0) (= v_~p3_new~0_11 0)) InVars {~nodes~0.offset=v_~nodes~0.offset_6, ~nodes~0.base=v_~nodes~0.base_6} OutVars{ULTIMATE.start_main_#t~nondet11=|v_ULTIMATE.start_main_#t~nondet11_6|, ULTIMATE.start_main_#t~nondet13=|v_ULTIMATE.start_main_#t~nondet13_6|, ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_4|, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_6|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_6|, ~p2~0=v_~p2~0_2, ~id3~0=v_~id3~0_17, ~alive3~0=v_~alive3~0_9, ~mode2~0=v_~mode2~0_9, ~r1~0=v_~r1~0_9, ~st1~0=v_~st1~0_10, ULTIMATE.start_main_#t~ret23=|v_ULTIMATE.start_main_#t~ret23_4|, ~nodes~0.base=v_~nodes~0.base_5, ~id2~0=v_~id2~0_17, ~nodes~0.offset=v_~nodes~0.offset_5, ULTIMATE.start_main_#t~nondet20=|v_ULTIMATE.start_main_#t~nondet20_6|, ~p1_old~0=v_~p1_old~0_6, ~nomsg~0=v_~nomsg~0_28, ~alive2~0=v_~alive2~0_9, ~p3_old~0=v_~p3_old~0_6, ULTIMATE.start_main_#t~ret19=|v_ULTIMATE.start_main_#t~ret19_5|, ~mode3~0=v_~mode3~0_9, ~p2_new~0=v_~p2_new~0_11, ~p1~0=v_~p1~0_2, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_6|, ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_6|, ~send1~0=v_~send1~0_14, ~id1~0=v_~id1~0_17, ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_6|, ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_6|, ~alive1~0=v_~alive1~0_9, ULTIMATE.start_main_~c1~0=v_ULTIMATE.start_main_~c1~0_7, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_6|, ULTIMATE.start_main_#t~post24=|v_ULTIMATE.start_main_#t~post24_4|, ~st3~0=v_~st3~0_10, ULTIMATE.start_main_#t~ret22=|v_ULTIMATE.start_main_#t~ret22_4|, ~send2~0=v_~send2~0_13, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_10, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_22, ULTIMATE.start_main_#t~nondet21=|v_ULTIMATE.start_main_#t~nondet21_6|, ~p3~0=v_~p3~0_2, ~p2_old~0=v_~p2_old~0_6, ~mode1~0=v_~mode1~0_9, ULTIMATE.start_main_#t~ret14=|v_ULTIMATE.start_main_#t~ret14_5|, ~p3_new~0=v_~p3_new~0_11, ~p1_new~0=v_~p1_new~0_11, ~st2~0=v_~st2~0_10, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_3|, ~send3~0=v_~send3~0_13, ULTIMATE.start_main_#t~ret9=|v_ULTIMATE.start_main_#t~ret9_5|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_6|, ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet11, ULTIMATE.start_main_#t~nondet13, ULTIMATE.start_init_#res, ULTIMATE.start_main_#t~nondet8, ULTIMATE.start_main_#t~nondet6, ~p2~0, ~id3~0, ~alive3~0, ~mode2~0, ~r1~0, ~st1~0, ULTIMATE.start_main_#t~ret23, ~nodes~0.base, ~id2~0, ~nodes~0.offset, ULTIMATE.start_main_#t~nondet20, ~p1_old~0, ~nomsg~0, ~alive2~0, ~p3_old~0, ULTIMATE.start_main_#t~ret19, ~mode3~0, ~p2_new~0, ~p1~0, ULTIMATE.start_main_#t~nondet15, ULTIMATE.start_main_#t~nondet17, ~send1~0, ~id1~0, ULTIMATE.start_main_#t~nondet10, ULTIMATE.start_main_#t~nondet12, ~alive1~0, ULTIMATE.start_main_~c1~0, ULTIMATE.start_main_#t~nondet7, ULTIMATE.start_main_#t~post24, ~st3~0, ULTIMATE.start_main_#t~ret22, ~send2~0, ULTIMATE.start_main_~i2~0, ULTIMATE.start_init_~tmp~0, ULTIMATE.start_main_#t~nondet21, ~p3~0, ~p2_old~0, ~mode1~0, ULTIMATE.start_main_#t~ret14, ~p3_new~0, ~p1_new~0, ~st2~0, ULTIMATE.start_main_#res, ~send3~0, ULTIMATE.start_main_#t~ret9, ULTIMATE.start_main_#t~nondet16, ULTIMATE.start_main_#t~nondet18] 58#L207true [531] L207-->L207-1: Formula: (and (< v_~r1~0_6 0) (= v_ULTIMATE.start_init_~tmp~0_20 0)) InVars {~r1~0=v_~r1~0_6} OutVars{ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_20, ~r1~0=v_~r1~0_6} AuxVars[] AssignedVars[ULTIMATE.start_init_~tmp~0] 73#L207-1true [464] L207-1-->L276: Formula: (= |v_ULTIMATE.start_init_#res_2| v_ULTIMATE.start_init_~tmp~0_21) InVars {ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_21} OutVars{ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_2|, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_21} AuxVars[] AssignedVars[ULTIMATE.start_init_#res] 49#L276true [534] L276-->L354-2: Formula: (and (= |v_ULTIMATE.start_init_#res_3| v_ULTIMATE.start_main_~i2~0_6) (= v_ULTIMATE.start___VERIFIER_assume_~arg_1 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|) (> 0 v_ULTIMATE.start_main_~i2~0_6) (= 1 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|)) InVars {ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|} OutVars{ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|, ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_1, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_6, ULTIMATE.start___VERIFIER_assume_#in~arg=|v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|, ULTIMATE.start_main_#t~ret22=|v_ULTIMATE.start_main_#t~ret22_2|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assume_~arg, ULTIMATE.start_main_#t~ret22, ULTIMATE.start_main_~i2~0, ULTIMATE.start___VERIFIER_assume_#in~arg] 10#L354-2true [2020-06-22 00:25:10,955 INFO L796 eck$LassoCheckResult]: Loop: 10#L354-2true [352] L354-2-->L354-2: Formula: (= v_ULTIMATE.start___VERIFIER_assume_~arg_4 0) InVars {ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} OutVars{ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} AuxVars[] AssignedVars[] 10#L354-2true [2020-06-22 00:25:10,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:25:10,960 INFO L82 PathProgramCache]: Analyzing trace with hash 20753298, now seen corresponding path program 1 times [2020-06-22 00:25:10,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:25:10,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:25:10,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:25:10,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:25:10,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:25:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 00:25:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 00:25:11,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 00:25:11,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-06-22 00:25:11,097 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-06-22 00:25:11,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:25:11,097 INFO L82 PathProgramCache]: Analyzing trace with hash 383, now seen corresponding path program 1 times [2020-06-22 00:25:11,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:25:11,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:25:11,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:25:11,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:25:11,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:25:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:25:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:25:11,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-06-22 00:25:11,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-06-22 00:25:11,157 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 4 states. [2020-06-22 00:25:11,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 00:25:11,887 INFO L93 Difference]: Finished difference Result 178 states and 447 transitions. [2020-06-22 00:25:11,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-06-22 00:25:11,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 178 states and 447 transitions. [2020-06-22 00:25:11,899 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 153 [2020-06-22 00:25:11,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 178 states to 178 states and 447 transitions. [2020-06-22 00:25:11,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 178 [2020-06-22 00:25:11,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 178 [2020-06-22 00:25:11,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 178 states and 447 transitions. [2020-06-22 00:25:11,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 00:25:11,913 INFO L706 BuchiCegarLoop]: Abstraction has 178 states and 447 transitions. [2020-06-22 00:25:11,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states and 447 transitions. [2020-06-22 00:25:11,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 74. [2020-06-22 00:25:11,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-06-22 00:25:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 183 transitions. [2020-06-22 00:25:11,957 INFO L729 BuchiCegarLoop]: Abstraction has 74 states and 183 transitions. [2020-06-22 00:25:11,957 INFO L609 BuchiCegarLoop]: Abstraction has 74 states and 183 transitions. [2020-06-22 00:25:11,957 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 00:25:11,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 183 transitions. [2020-06-22 00:25:11,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2020-06-22 00:25:11,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 00:25:11,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 00:25:11,960 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-06-22 00:25:11,960 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 00:25:11,961 INFO L794 eck$LassoCheckResult]: Stem: 315#ULTIMATE.startENTRY [648] ULTIMATE.startENTRY-->L207: Formula: (and (= v_~p2~0_2 0) (= v_~p2_new~0_11 0) (= (store (store (store v_~nodes~0.offset_6 0 |#funAddr~node1.offset|) 1 |#funAddr~node2.offset|) 2 |#funAddr~node3.offset|) v_~nodes~0.offset_5) (= 0 v_~p2_old~0_6) (= v_~p3_old~0_6 0) (= v_~p3~0_2 0) (= v_~p1~0_2 0) (= (store (store (store v_~nodes~0.base_6 0 |#funAddr~node1.base|) 1 |#funAddr~node2.base|) 2 |#funAddr~node3.base|) v_~nodes~0.base_5) (= (- 1) v_~nomsg~0_28) (= 0 v_ULTIMATE.start_main_~c1~0_7) (= v_~p1_old~0_6 0) (= v_~p1_new~0_11 0) (= v_~p3_new~0_11 0)) InVars {~nodes~0.offset=v_~nodes~0.offset_6, ~nodes~0.base=v_~nodes~0.base_6} OutVars{ULTIMATE.start_main_#t~nondet11=|v_ULTIMATE.start_main_#t~nondet11_6|, ULTIMATE.start_main_#t~nondet13=|v_ULTIMATE.start_main_#t~nondet13_6|, ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_4|, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_6|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_6|, ~p2~0=v_~p2~0_2, ~id3~0=v_~id3~0_17, ~alive3~0=v_~alive3~0_9, ~mode2~0=v_~mode2~0_9, ~r1~0=v_~r1~0_9, ~st1~0=v_~st1~0_10, ULTIMATE.start_main_#t~ret23=|v_ULTIMATE.start_main_#t~ret23_4|, ~nodes~0.base=v_~nodes~0.base_5, ~id2~0=v_~id2~0_17, ~nodes~0.offset=v_~nodes~0.offset_5, ULTIMATE.start_main_#t~nondet20=|v_ULTIMATE.start_main_#t~nondet20_6|, ~p1_old~0=v_~p1_old~0_6, ~nomsg~0=v_~nomsg~0_28, ~alive2~0=v_~alive2~0_9, ~p3_old~0=v_~p3_old~0_6, ULTIMATE.start_main_#t~ret19=|v_ULTIMATE.start_main_#t~ret19_5|, ~mode3~0=v_~mode3~0_9, ~p2_new~0=v_~p2_new~0_11, ~p1~0=v_~p1~0_2, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_6|, ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_6|, ~send1~0=v_~send1~0_14, ~id1~0=v_~id1~0_17, ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_6|, ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_6|, ~alive1~0=v_~alive1~0_9, ULTIMATE.start_main_~c1~0=v_ULTIMATE.start_main_~c1~0_7, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_6|, ULTIMATE.start_main_#t~post24=|v_ULTIMATE.start_main_#t~post24_4|, ~st3~0=v_~st3~0_10, ULTIMATE.start_main_#t~ret22=|v_ULTIMATE.start_main_#t~ret22_4|, ~send2~0=v_~send2~0_13, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_10, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_22, ULTIMATE.start_main_#t~nondet21=|v_ULTIMATE.start_main_#t~nondet21_6|, ~p3~0=v_~p3~0_2, ~p2_old~0=v_~p2_old~0_6, ~mode1~0=v_~mode1~0_9, ULTIMATE.start_main_#t~ret14=|v_ULTIMATE.start_main_#t~ret14_5|, ~p3_new~0=v_~p3_new~0_11, ~p1_new~0=v_~p1_new~0_11, ~st2~0=v_~st2~0_10, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_3|, ~send3~0=v_~send3~0_13, ULTIMATE.start_main_#t~ret9=|v_ULTIMATE.start_main_#t~ret9_5|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_6|, ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet11, ULTIMATE.start_main_#t~nondet13, ULTIMATE.start_init_#res, ULTIMATE.start_main_#t~nondet8, ULTIMATE.start_main_#t~nondet6, ~p2~0, ~id3~0, ~alive3~0, ~mode2~0, ~r1~0, ~st1~0, ULTIMATE.start_main_#t~ret23, ~nodes~0.base, ~id2~0, ~nodes~0.offset, ULTIMATE.start_main_#t~nondet20, ~p1_old~0, ~nomsg~0, ~alive2~0, ~p3_old~0, ULTIMATE.start_main_#t~ret19, ~mode3~0, ~p2_new~0, ~p1~0, ULTIMATE.start_main_#t~nondet15, ULTIMATE.start_main_#t~nondet17, ~send1~0, ~id1~0, ULTIMATE.start_main_#t~nondet10, ULTIMATE.start_main_#t~nondet12, ~alive1~0, ULTIMATE.start_main_~c1~0, ULTIMATE.start_main_#t~nondet7, ULTIMATE.start_main_#t~post24, ~st3~0, ULTIMATE.start_main_#t~ret22, ~send2~0, ULTIMATE.start_main_~i2~0, ULTIMATE.start_init_~tmp~0, ULTIMATE.start_main_#t~nondet21, ~p3~0, ~p2_old~0, ~mode1~0, ULTIMATE.start_main_#t~ret14, ~p3_new~0, ~p1_new~0, ~st2~0, ULTIMATE.start_main_#res, ~send3~0, ULTIMATE.start_main_#t~ret9, ULTIMATE.start_main_#t~nondet16, ULTIMATE.start_main_#t~nondet18] 316#L207 [531] L207-->L207-1: Formula: (and (< v_~r1~0_6 0) (= v_ULTIMATE.start_init_~tmp~0_20 0)) InVars {~r1~0=v_~r1~0_6} OutVars{ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_20, ~r1~0=v_~r1~0_6} AuxVars[] AssignedVars[ULTIMATE.start_init_~tmp~0] 264#L207-1 [464] L207-1-->L276: Formula: (= |v_ULTIMATE.start_init_#res_2| v_ULTIMATE.start_init_~tmp~0_21) InVars {ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_21} OutVars{ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_2|, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_21} AuxVars[] AssignedVars[ULTIMATE.start_init_#res] 326#L276 [533] L276-->L354-2: Formula: (and (= 0 v_ULTIMATE.start_main_~i2~0_6) (= |v_ULTIMATE.start_init_#res_3| v_ULTIMATE.start_main_~i2~0_6) (= v_ULTIMATE.start___VERIFIER_assume_~arg_1 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|) (= 0 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|)) InVars {ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|} OutVars{ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|, ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_1, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_6, ULTIMATE.start___VERIFIER_assume_#in~arg=|v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|, ULTIMATE.start_main_#t~ret22=|v_ULTIMATE.start_main_#t~ret22_2|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assume_~arg, ULTIMATE.start_main_#t~ret22, ULTIMATE.start_main_~i2~0, ULTIMATE.start___VERIFIER_assume_#in~arg] 278#L354-2 [2020-06-22 00:25:11,961 INFO L796 eck$LassoCheckResult]: Loop: 278#L354-2 [352] L354-2-->L354-2: Formula: (= v_ULTIMATE.start___VERIFIER_assume_~arg_4 0) InVars {ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} OutVars{ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} AuxVars[] AssignedVars[] 278#L354-2 [2020-06-22 00:25:11,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:25:11,961 INFO L82 PathProgramCache]: Analyzing trace with hash 20753297, now seen corresponding path program 1 times [2020-06-22 00:25:11,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:25:11,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:25:11,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:25:11,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:25:11,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:25:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:25:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:25:11,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:25:11,991 INFO L82 PathProgramCache]: Analyzing trace with hash 383, now seen corresponding path program 2 times [2020-06-22 00:25:11,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:25:11,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:25:11,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:25:11,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:25:11,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:25:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:25:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:25:12,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:25:12,000 INFO L82 PathProgramCache]: Analyzing trace with hash 643352559, now seen corresponding path program 1 times [2020-06-22 00:25:12,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:25:12,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:25:12,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:25:12,003 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 00:25:12,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:25:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:25:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:25:12,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 12:25:12 BasicIcfg [2020-06-22 00:25:12,214 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 00:25:12,215 INFO L168 Benchmark]: Toolchain (without parser) took 2687.59 ms. Allocated memory was 514.9 MB in the beginning and 601.9 MB in the end (delta: 87.0 MB). Free memory was 439.1 MB in the beginning and 459.0 MB in the end (delta: -19.9 MB). Peak memory consumption was 67.1 MB. Max. memory is 50.3 GB. [2020-06-22 00:25:12,216 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 462.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 00:25:12,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.25 ms. Allocated memory was 514.9 MB in the beginning and 571.5 MB in the end (delta: 56.6 MB). Free memory was 438.5 MB in the beginning and 534.1 MB in the end (delta: -95.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. [2020-06-22 00:25:12,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.66 ms. Allocated memory is still 571.5 MB. Free memory was 534.1 MB in the beginning and 531.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-22 00:25:12,218 INFO L168 Benchmark]: Boogie Preprocessor took 33.52 ms. Allocated memory is still 571.5 MB. Free memory was 531.3 MB in the beginning and 528.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. [2020-06-22 00:25:12,219 INFO L168 Benchmark]: RCFGBuilder took 479.85 ms. Allocated memory is still 571.5 MB. Free memory was 528.6 MB in the beginning and 492.5 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 50.3 GB. [2020-06-22 00:25:12,219 INFO L168 Benchmark]: BlockEncodingV2 took 155.24 ms. Allocated memory is still 571.5 MB. Free memory was 492.5 MB in the beginning and 476.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 50.3 GB. [2020-06-22 00:25:12,220 INFO L168 Benchmark]: TraceAbstraction took 179.02 ms. Allocated memory is still 571.5 MB. Free memory was 475.6 MB in the beginning and 460.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. [2020-06-22 00:25:12,220 INFO L168 Benchmark]: BuchiAutomizer took 1343.51 ms. Allocated memory was 571.5 MB in the beginning and 601.9 MB in the end (delta: 30.4 MB). Free memory was 460.4 MB in the beginning and 459.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 50.3 GB. [2020-06-22 00:25:12,225 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 77 locations, 128 edges - StatisticsResult: Encoded RCFG 72 locations, 184 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 462.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 434.25 ms. Allocated memory was 514.9 MB in the beginning and 571.5 MB in the end (delta: 56.6 MB). Free memory was 438.5 MB in the beginning and 534.1 MB in the end (delta: -95.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 55.66 ms. Allocated memory is still 571.5 MB. Free memory was 534.1 MB in the beginning and 531.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 33.52 ms. Allocated memory is still 571.5 MB. Free memory was 531.3 MB in the beginning and 528.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. * RCFGBuilder took 479.85 ms. Allocated memory is still 571.5 MB. Free memory was 528.6 MB in the beginning and 492.5 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 155.24 ms. Allocated memory is still 571.5 MB. Free memory was 492.5 MB in the beginning and 476.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 179.02 ms. Allocated memory is still 571.5 MB. Free memory was 475.6 MB in the beginning and 460.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1343.51 ms. Allocated memory was 571.5 MB in the beginning and 601.9 MB in the end (delta: 30.4 MB). Free memory was 460.4 MB in the beginning and 459.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 0 error locations. SAFE Result, 0.1s 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=72occurred 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 74 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.5s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 104 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 74 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 56 SDtfs, 399 SDslu, 461 SDs, 0 SdLazy, 449 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN1 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 354]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {send1=0, alive2=0, send3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45d26f37=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dc30456=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56f8f5a1=0, p2_new=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e76b314=0, mode1=0, id3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5af4410=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@170ce46e=0, p1=0, id1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40111af0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1571c66c=0, p3=0, mode3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@430cb822=0, tmp=0, st2=0, p3_new=0, p1_old=0, arg=0, \result=0, p2_old=0, p1_new=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70f9a40c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f2d9c10=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b944df7=0, alive3=0, r1=-1, \result=0, alive1=0, send2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@329ff01e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fa09ef=0, \old(arg)=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39ce32e1=0, mode2=0, id2=0, p2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2324c71c=0, st3=0, st1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40654b83=0, p3_old=0, i2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23c4212f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32809d0b=0, c1=0, nomsg=-1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 354]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L70] msg_t nomsg = (msg_t )-1; [L71] char r1 ; [L72] port_t p1 ; [L73] char p1_old ; [L74] char p1_new ; [L75] char id1 ; [L76] char st1 ; [L77] msg_t send1 ; [L78] _Bool mode1 ; [L79] _Bool alive1 ; [L80] port_t p2 ; [L81] char p2_old ; [L82] char p2_new ; [L83] char id2 ; [L84] char st2 ; [L85] msg_t send2 ; [L86] _Bool mode2 ; [L87] _Bool alive2 ; [L88] port_t p3 ; [L89] char p3_old ; [L90] char p3_new ; [L91] char id3 ; [L92] char st3 ; [L93] msg_t send3 ; [L94] _Bool mode3 ; [L95] _Bool alive3 ; [L201] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L301] int c1 ; [L302] int i2 ; [L305] c1 = 0 [L306] r1 = __VERIFIER_nondet_char() [L307] id1 = __VERIFIER_nondet_char() [L308] st1 = __VERIFIER_nondet_char() [L309] send1 = __VERIFIER_nondet_msg_t() [L310] mode1 = __VERIFIER_nondet__Bool() [L311] alive1 = __VERIFIER_nondet__Bool() [L312] id2 = __VERIFIER_nondet_char() [L313] st2 = __VERIFIER_nondet_char() [L314] send2 = __VERIFIER_nondet_msg_t() [L315] mode2 = __VERIFIER_nondet__Bool() [L316] alive2 = __VERIFIER_nondet__Bool() [L317] id3 = __VERIFIER_nondet_char() [L318] st3 = __VERIFIER_nondet_char() [L319] send3 = __VERIFIER_nondet_msg_t() [L320] mode3 = __VERIFIER_nondet__Bool() [L321] alive3 = __VERIFIER_nondet__Bool() [L204] int tmp ; [L207] COND FALSE !((int )r1 == 0) [L274] tmp = 0 [L276] return (tmp); [L322] i2 = init() Loop: [L354] COND TRUE ! arg End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-22 00:25:06.176 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 00:25:12.475 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check