/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:11:21,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:11:21,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:11:21,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:11:21,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:11:21,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:11:21,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:11:21,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:11:21,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:11:21,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:11:21,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:11:21,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:11:21,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:11:21,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:11:21,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:11:21,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:11:21,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:11:21,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:11:21,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:11:21,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:11:21,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:11:21,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:11:21,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:11:21,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:11:21,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:11:21,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:11:21,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:11:21,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:11:21,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:11:21,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:11:21,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:11:21,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:11:21,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:11:21,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:11:21,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:11:21,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:11:21,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:11:21,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:11:21,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:11:21,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:11:21,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:11:21,955 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 12:11:21,969 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:11:21,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:11:21,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:11:21,971 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:11:21,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:11:21,971 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:11:21,971 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:11:21,971 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:11:21,972 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:11:21,972 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:11:21,972 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:11:21,972 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:11:21,972 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:11:21,972 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:11:21,972 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:21,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:11:21,973 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:11:21,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:11:21,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:11:21,973 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:11:21,973 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:11:21,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:11:21,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:11:21,974 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:11:21,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:11:21,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:11:21,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:11:21,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:11:21,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:11:22,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:11:22,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:11:22,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:11:22,161 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:11:22,161 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:11:22,162 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:11:22,231 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_vVX5TM/tmp/01893aaeb632485abb94a99fe8aa717d/FLAG75aa0275d [2020-07-01 12:11:22,569 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:11:22,569 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:11:22,576 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_vVX5TM/tmp/01893aaeb632485abb94a99fe8aa717d/FLAG75aa0275d [2020-07-01 12:11:22,966 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_vVX5TM/tmp/01893aaeb632485abb94a99fe8aa717d [2020-07-01 12:11:22,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:11:22,979 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:11:22,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:11:22,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:11:22,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:11:22,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:11:22" (1/1) ... [2020-07-01 12:11:22,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b65304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:22, skipping insertion in model container [2020-07-01 12:11:22,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:11:22" (1/1) ... [2020-07-01 12:11:22,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:11:23,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:11:23,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:11:23,237 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:11:23,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:11:23,266 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:11:23,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23 WrapperNode [2020-07-01 12:11:23,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:11:23,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:11:23,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:11:23,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:11:23,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23" (1/1) ... [2020-07-01 12:11:23,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23" (1/1) ... [2020-07-01 12:11:23,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:11:23,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:11:23,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:11:23,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:11:23,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23" (1/1) ... [2020-07-01 12:11:23,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23" (1/1) ... [2020-07-01 12:11:23,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23" (1/1) ... [2020-07-01 12:11:23,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23" (1/1) ... [2020-07-01 12:11:23,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23" (1/1) ... [2020-07-01 12:11:23,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23" (1/1) ... [2020-07-01 12:11:23,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23" (1/1) ... [2020-07-01 12:11:23,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:11:23,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:11:23,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:11:23,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:11:23,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23" (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 [2020-07-01 12:11:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:11:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:11:23,560 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:11:23,560 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 12:11:23,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:11:23 BoogieIcfgContainer [2020-07-01 12:11:23,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:11:23,564 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:11:23,564 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:11:23,567 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:11:23,567 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:11:23" (1/1) ... [2020-07-01 12:11:23,581 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-07-01 12:11:23,583 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:11:23,583 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:11:23,584 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:11:23,584 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:11:23,586 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:11:23,587 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:11:23,588 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:11:23,607 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:11:23,626 INFO L200 BlockEncoder]: SBE split 2 edges [2020-07-01 12:11:23,632 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 12:11:23,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:11:23,648 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 12:11:23,650 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-07-01 12:11:23,652 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:11:23,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:11:23,652 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:11:23,653 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:11:23,653 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-07-01 12:11:23,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:11:23 BasicIcfg [2020-07-01 12:11:23,654 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:11:23,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:11:23,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:11:23,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:11:23,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:11:22" (1/4) ... [2020-07-01 12:11:23,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78db8a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:11:23, skipping insertion in model container [2020-07-01 12:11:23,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23" (2/4) ... [2020-07-01 12:11:23,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78db8a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:11:23, skipping insertion in model container [2020-07-01 12:11:23,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:11:23" (3/4) ... [2020-07-01 12:11:23,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78db8a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:11:23, skipping insertion in model container [2020-07-01 12:11:23,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:11:23" (4/4) ... [2020-07-01 12:11:23,663 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:11:23,674 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:11:23,681 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:11:23,695 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:11:23,718 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:11:23,718 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:11:23,718 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:11:23,718 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:11:23,719 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:11:23,719 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:11:23,719 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:11:23,719 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:11:23,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-07-01 12:11:23,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:11:23,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-07-01 12:11:23,746 INFO L268 CegarLoopResult]: For program point L15(lines 15 19) no Hoare annotation was computed. [2020-07-01 12:11:23,746 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:11:23,746 INFO L268 CegarLoopResult]: For program point L20-1(lines 11 25) no Hoare annotation was computed. [2020-07-01 12:11:23,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:11:23 BasicIcfg [2020-07-01 12:11:23,750 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:11:23,750 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:11:23,750 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:11:23,754 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:11:23,755 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:11:23,755 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:11:22" (1/5) ... [2020-07-01 12:11:23,756 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e05b16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:11:23, skipping insertion in model container [2020-07-01 12:11:23,756 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:11:23,756 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:11:23" (2/5) ... [2020-07-01 12:11:23,757 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e05b16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:11:23, skipping insertion in model container [2020-07-01 12:11:23,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:11:23,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:11:23" (3/5) ... [2020-07-01 12:11:23,757 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e05b16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:11:23, skipping insertion in model container [2020-07-01 12:11:23,758 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:11:23,758 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:11:23" (4/5) ... [2020-07-01 12:11:23,758 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e05b16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:11:23, skipping insertion in model container [2020-07-01 12:11:23,758 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:11:23,758 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:11:23" (5/5) ... [2020-07-01 12:11:23,760 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:11:23,789 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:11:23,789 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:11:23,790 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:11:23,790 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:11:23,790 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:11:23,790 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:11:23,790 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:11:23,790 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:11:23,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 12:11:23,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:11:23,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:11:23,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:11:23,821 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:11:23,821 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:11:23,821 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:11:23,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 12:11:23,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:11:23,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:11:23,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:11:23,823 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:11:23,823 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:11:23,828 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L15: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 3#L15true [24] L15-->L20-1: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|) (= v_ULTIMATE.start_main_~x~0_5 (- 1))) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 5#L20-1true [2020-07-01 12:11:23,829 INFO L796 eck$LassoCheckResult]: Loop: 5#L20-1true [30] L20-1-->L20-1: Formula: (and (< v_ULTIMATE.start_main_~y~0_6 100) (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_6)) (< v_ULTIMATE.start_main_~z~0_6 100) (= v_ULTIMATE.start_main_~z~0_5 (+ v_ULTIMATE.start_main_~z~0_6 (* v_ULTIMATE.start_main_~x~0_6 (- 1))))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 5#L20-1true [2020-07-01 12:11:23,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:11:23,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1760, now seen corresponding path program 1 times [2020-07-01 12:11:23,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:11:23,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85575991] [2020-07-01 12:11:23,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:11:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:23,958 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:11:23,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:11:23,959 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 1 times [2020-07-01 12:11:23,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:11:23,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246277416] [2020-07-01 12:11:23,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:11:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:23,973 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:11:23,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:11:23,975 INFO L82 PathProgramCache]: Analyzing trace with hash 54590, now seen corresponding path program 1 times [2020-07-01 12:11:23,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:11:23,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470600076] [2020-07-01 12:11:23,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:11:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:23,991 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:11:24,075 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:11:24,076 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:11:24,076 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:11:24,077 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:11:24,077 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:11:24,077 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:24,077 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:11:24,077 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:11:24,077 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 12:11:24,078 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:11:24,078 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:11:24,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:24,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:24,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:24,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:24,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:24,217 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:11:24,218 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:24,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:11:24,225 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:11:24,232 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:11:24,232 INFO L440 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:24,266 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:11:24,266 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:24,306 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:11:24,306 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:11:24,554 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:11:24,558 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:11:24,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:11:24,573 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:11:24,573 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:11:24,573 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:11:24,573 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:24,573 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:11:24,573 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:11:24,573 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 12:11:24,574 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:11:24,574 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:11:24,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:24,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:24,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:24,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:24,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:24,682 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:11:24,688 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:24,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:11:24,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:11:24,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:11:24,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:11:24,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:11:24,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:11:24,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:11:24,720 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:11:24,731 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-07-01 12:11:24,732 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:24,739 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:11:24,753 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-07-01 12:11:24,754 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:11:24,755 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -2*ULTIMATE.start_main_~z~0 + 199 Supporting invariants [-1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-07-01 12:11:24,793 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-01 12:11:24,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:11:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:11:24,858 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-01 12:11:24,859 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:11:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:11:24,871 WARN L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-01 12:11:24,872 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:11:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:11:24,897 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 12:11:24,902 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-01 12:11:24,904 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 2 states. [2020-07-01 12:11:24,945 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 2 states. Result 5 states and 7 transitions. Complement of second has 2 states. [2020-07-01 12:11:24,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-07-01 12:11:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 12:11:24,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2020-07-01 12:11:24,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 12:11:24,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:11:24,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-01 12:11:24,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:11:24,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 12:11:24,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:11:24,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. [2020-07-01 12:11:24,960 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:11:24,964 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 3 states and 4 transitions. [2020-07-01 12:11:24,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-07-01 12:11:24,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-07-01 12:11:24,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 4 transitions. [2020-07-01 12:11:24,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:11:24,966 INFO L688 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-07-01 12:11:24,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 4 transitions. [2020-07-01 12:11:24,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-07-01 12:11:24,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 12:11:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-07-01 12:11:24,997 INFO L711 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-07-01 12:11:24,997 INFO L591 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-07-01 12:11:24,997 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 12:11:24,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 4 transitions. [2020-07-01 12:11:24,998 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:11:24,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:11:24,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:11:24,998 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:11:24,998 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:11:24,999 INFO L794 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L15: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 46#L15 [35] L15-->L20-1: Formula: (and (< 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_4 1)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 47#L20-1 [2020-07-01 12:11:24,999 INFO L796 eck$LassoCheckResult]: Loop: 47#L20-1 [30] L20-1-->L20-1: Formula: (and (< v_ULTIMATE.start_main_~y~0_6 100) (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_6)) (< v_ULTIMATE.start_main_~z~0_6 100) (= v_ULTIMATE.start_main_~z~0_5 (+ v_ULTIMATE.start_main_~z~0_6 (* v_ULTIMATE.start_main_~x~0_6 (- 1))))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 47#L20-1 [2020-07-01 12:11:24,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:11:24,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1771, now seen corresponding path program 1 times [2020-07-01 12:11:24,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:11:25,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485691238] [2020-07-01 12:11:25,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:11:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:25,007 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:11:25,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:11:25,007 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 2 times [2020-07-01 12:11:25,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:11:25,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508835649] [2020-07-01 12:11:25,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:11:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:25,015 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:11:25,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:11:25,015 INFO L82 PathProgramCache]: Analyzing trace with hash 54931, now seen corresponding path program 1 times [2020-07-01 12:11:25,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:11:25,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411160535] [2020-07-01 12:11:25,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:11:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:25,026 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:11:25,069 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:11:25,070 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:11:25,070 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:11:25,070 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:11:25,070 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:11:25,070 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:25,070 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:11:25,070 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:11:25,071 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-07-01 12:11:25,071 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:11:25,071 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:11:25,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,194 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:11:25,194 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:25,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:11:25,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:11:25,205 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:11:25,206 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:25,239 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:11:25,240 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:11:25,243 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:11:25,244 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:25,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:11:25,279 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:25,317 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:11:25,317 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:11:25,594 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:11:25,597 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:11:25,598 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:11:25,598 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:11:25,598 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:11:25,598 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:11:25,598 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:25,598 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:11:25,599 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:11:25,599 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-07-01 12:11:25,599 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:11:25,599 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:11:25,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,676 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:11:25,676 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:25,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:11:25,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:11:25,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:11:25,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:11:25,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:11:25,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:11:25,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:11:25,697 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:11:25,717 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-07-01 12:11:25,718 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:25,721 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:11:25,724 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-07-01 12:11:25,724 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:11:25,724 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-07-01 12:11:25,758 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-01 12:11:25,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:11:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:11:25,802 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-01 12:11:25,802 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:11:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:11:25,807 WARN L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-01 12:11:25,807 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:11:25,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:11:25,819 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 12:11:25,819 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-01 12:11:25,820 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 4 transitions. cyclomatic complexity: 2 Second operand 2 states. [2020-07-01 12:11:25,850 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 4 transitions. cyclomatic complexity: 2. Second operand 2 states. Result 5 states and 6 transitions. Complement of second has 2 states. [2020-07-01 12:11:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-07-01 12:11:25,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 12:11:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2020-07-01 12:11:25,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 12:11:25,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:11:25,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-01 12:11:25,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:11:25,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 12:11:25,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:11:25,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 6 transitions. [2020-07-01 12:11:25,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:11:25,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 3 states and 3 transitions. [2020-07-01 12:11:25,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-07-01 12:11:25,855 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-07-01 12:11:25,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. [2020-07-01 12:11:25,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:11:25,855 INFO L688 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-07-01 12:11:25,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. [2020-07-01 12:11:25,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-07-01 12:11:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 12:11:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2020-07-01 12:11:25,856 INFO L711 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-07-01 12:11:25,856 INFO L591 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-07-01 12:11:25,857 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-01 12:11:25,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. [2020-07-01 12:11:25,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:11:25,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:11:25,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:11:25,858 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:11:25,858 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:11:25,858 INFO L794 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L15: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 89#L15 [34] L15-->L20-1: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_4 1)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 90#L20-1 [2020-07-01 12:11:25,858 INFO L796 eck$LassoCheckResult]: Loop: 90#L20-1 [30] L20-1-->L20-1: Formula: (and (< v_ULTIMATE.start_main_~y~0_6 100) (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_6)) (< v_ULTIMATE.start_main_~z~0_6 100) (= v_ULTIMATE.start_main_~z~0_5 (+ v_ULTIMATE.start_main_~z~0_6 (* v_ULTIMATE.start_main_~x~0_6 (- 1))))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 90#L20-1 [2020-07-01 12:11:25,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:11:25,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1770, now seen corresponding path program 1 times [2020-07-01 12:11:25,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:11:25,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627326704] [2020-07-01 12:11:25,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:11:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:25,865 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:11:25,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:11:25,866 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 3 times [2020-07-01 12:11:25,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:11:25,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132193439] [2020-07-01 12:11:25,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:11:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:25,873 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:11:25,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:11:25,873 INFO L82 PathProgramCache]: Analyzing trace with hash 54900, now seen corresponding path program 1 times [2020-07-01 12:11:25,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:11:25,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719555205] [2020-07-01 12:11:25,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:11:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:11:25,884 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:11:25,921 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:11:25,921 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:11:25,921 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:11:25,921 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:11:25,921 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:11:25,922 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:25,922 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:11:25,922 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:11:25,922 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-07-01 12:11:25,922 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:11:25,922 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:11:25,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:25,998 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:11:25,998 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:26,001 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:11:26,002 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:11:26,005 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:11:26,005 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:26,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:11:26,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:11:26,043 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:11:26,043 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:26,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:11:26,077 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:11:26,081 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:11:26,081 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:26,115 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:11:26,116 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:11:26,119 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:11:26,119 INFO L440 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:26,152 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:11:26,152 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:11:26,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:11:26,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:11:26,462 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:11:26,466 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:11:26,466 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:11:26,466 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:11:26,466 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:11:26,466 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:11:26,466 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:26,467 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:11:26,467 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:11:26,467 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-07-01 12:11:26,467 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:11:26,467 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:11:26,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:26,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:26,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:26,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:26,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:11:26,541 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:11:26,542 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:26,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:11:26,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:11:26,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:11:26,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:11:26,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:11:26,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:11:26,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:11:26,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:11:26,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:26,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:11:26,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:11:26,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:11:26,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:11:26,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:11:26,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:11:26,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:11:26,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:11:26,591 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:26,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:11:26,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:11:26,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:11:26,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:11:26,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:11:26,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:11:26,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:11:26,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:11:26,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:26,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:11:26,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:11:26,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:11:26,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:11:26,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:11:26,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:11:26,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:11:26,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:11:26,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:26,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:11:26,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:11:26,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:11:26,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:11:26,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:11:26,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:11:26,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:11:26,725 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:11:26,735 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-07-01 12:11:26,735 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:11:26,737 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:11:26,741 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-07-01 12:11:26,741 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:11:26,742 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-07-01 12:11:26,777 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-01 12:11:26,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:11:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:11:26,811 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-01 12:11:26,812 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:11:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:11:26,817 WARN L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-01 12:11:26,817 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:11:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:11:26,827 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 12:11:26,827 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-01 12:11:26,827 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 2 states. [2020-07-01 12:11:26,848 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 4 states and 4 transitions. Complement of second has 2 states. [2020-07-01 12:11:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-07-01 12:11:26,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 12:11:26,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. [2020-07-01 12:11:26,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 12:11:26,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:11:26,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-01 12:11:26,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:11:26,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 12:11:26,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:11:26,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 4 transitions. [2020-07-01 12:11:26,851 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:11:26,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. [2020-07-01 12:11:26,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-01 12:11:26,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-01 12:11:26,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-01 12:11:26,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:11:26,852 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:11:26,852 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:11:26,853 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:11:26,853 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2020-07-01 12:11:26,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-01 12:11:26,853 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:11:26,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 12:11:26,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:11:26 BasicIcfg [2020-07-01 12:11:26,860 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 12:11:26,862 INFO L168 Benchmark]: Toolchain (without parser) took 3882.27 ms. Allocated memory was 514.9 MB in the beginning and 579.9 MB in the end (delta: 65.0 MB). Free memory was 435.9 MB in the beginning and 406.3 MB in the end (delta: 29.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:11:26,863 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 514.9 MB. Free memory is still 455.9 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:11:26,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.06 ms. Allocated memory was 514.9 MB in the beginning and 544.7 MB in the end (delta: 29.9 MB). Free memory was 435.9 MB in the beginning and 514.4 MB in the end (delta: -78.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:11:26,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.67 ms. Allocated memory is still 544.7 MB. Free memory was 514.4 MB in the beginning and 512.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:11:26,865 INFO L168 Benchmark]: Boogie Preprocessor took 19.12 ms. Allocated memory is still 544.7 MB. Free memory was 512.8 MB in the beginning and 511.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. [2020-07-01 12:11:26,866 INFO L168 Benchmark]: RCFGBuilder took 242.56 ms. Allocated memory is still 544.7 MB. Free memory was 511.1 MB in the beginning and 499.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:11:26,866 INFO L168 Benchmark]: BlockEncodingV2 took 89.81 ms. Allocated memory is still 544.7 MB. Free memory was 499.6 MB in the beginning and 494.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:11:26,867 INFO L168 Benchmark]: TraceAbstraction took 94.33 ms. Allocated memory is still 544.7 MB. Free memory was 494.7 MB in the beginning and 488.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:11:26,867 INFO L168 Benchmark]: BuchiAutomizer took 3109.35 ms. Allocated memory was 544.7 MB in the beginning and 579.9 MB in the end (delta: 35.1 MB). Free memory was 488.1 MB in the beginning and 406.3 MB in the end (delta: 81.8 MB). Peak memory consumption was 116.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:11:26,871 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 514.9 MB. Free memory is still 455.9 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 287.06 ms. Allocated memory was 514.9 MB in the beginning and 544.7 MB in the end (delta: 29.9 MB). Free memory was 435.9 MB in the beginning and 514.4 MB in the end (delta: -78.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.67 ms. Allocated memory is still 544.7 MB. Free memory was 514.4 MB in the beginning and 512.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.12 ms. Allocated memory is still 544.7 MB. Free memory was 512.8 MB in the beginning and 511.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. * RCFGBuilder took 242.56 ms. Allocated memory is still 544.7 MB. Free memory was 511.1 MB in the beginning and 499.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 89.81 ms. Allocated memory is still 544.7 MB. Free memory was 499.6 MB in the beginning and 494.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 50.3 GB. * TraceAbstraction took 94.33 ms. Allocated memory is still 544.7 MB. Free memory was 494.7 MB in the beginning and 488.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 3109.35 ms. Allocated memory was 544.7 MB in the beginning and 579.9 MB in the end (delta: 35.1 MB). Free memory was 488.1 MB in the beginning and 406.3 MB in the end (delta: 81.8 MB). Peak memory consumption was 116.9 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function -2 * z + 199 and consists of 2 locations. One nondeterministic module has affine ranking function -2 * y + 199 and consists of 2 locations. One nondeterministic module has affine ranking function -2 * y + 199 and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf93 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq180 hnf94 smp100 dnf100 smp100 tf100 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 64ms VariablesStem: 1 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 12:11:19.665 ----------------------------------------------- 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/BenchExec_run_vVX5TM/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:11:27.510 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check