/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 12:01:07,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:01:07,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:01:07,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:01:07,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:01:07,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:01:07,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:01:07,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:01:07,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:01:07,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:01:07,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:01:07,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:01:07,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:01:07,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:01:07,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:01:07,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:01:07,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:01:07,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:01:07,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:01:07,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:01:07,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:01:07,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:01:07,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:01:07,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:01:07,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:01:07,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:01:07,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:01:07,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:01:07,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:01:07,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:01:07,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:01:07,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:01:07,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:01:07,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:01:07,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:01:07,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:01:07,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:01:07,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:01:07,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:01:07,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:01:07,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:01:07,061 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 12:01:07,076 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:01:07,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:01:07,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:01:07,078 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:01:07,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:01:07,078 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:01:07,079 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:01:07,079 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:01:07,079 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:01:07,079 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:01:07,079 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:01:07,079 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:01:07,080 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:01:07,080 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:01:07,080 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:01:07,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:01:07,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:01:07,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:01:07,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:01:07,081 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:01:07,081 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:01:07,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:01:07,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:01:07,082 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:01:07,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:01:07,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:01:07,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:01:07,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:01:07,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:01:07,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:01:07,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:01:07,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:01:07,267 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:01:07,268 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:01:07,268 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:01:07,333 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_VyUfL9/tmp/b9ec3ba084f048efadf9f821d0944c95/FLAG0fc4f3cca [2020-07-01 12:01:07,661 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:01:07,661 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:01:07,668 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_VyUfL9/tmp/b9ec3ba084f048efadf9f821d0944c95/FLAG0fc4f3cca [2020-07-01 12:01:08,071 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_VyUfL9/tmp/b9ec3ba084f048efadf9f821d0944c95 [2020-07-01 12:01:08,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:01:08,083 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:01:08,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:01:08,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:01:08,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:01:08,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:01:08" (1/1) ... [2020-07-01 12:01:08,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a624e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08, skipping insertion in model container [2020-07-01 12:01:08,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:01:08" (1/1) ... [2020-07-01 12:01:08,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:01:08,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:01:08,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:01:08,347 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:01:08,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:01:08,378 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:01:08,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08 WrapperNode [2020-07-01 12:01:08,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:01:08,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:01:08,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:01:08,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:01:08,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08" (1/1) ... [2020-07-01 12:01:08,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08" (1/1) ... [2020-07-01 12:01:08,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:01:08,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:01:08,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:01:08,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:01:08,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08" (1/1) ... [2020-07-01 12:01:08,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08" (1/1) ... [2020-07-01 12:01:08,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08" (1/1) ... [2020-07-01 12:01:08,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08" (1/1) ... [2020-07-01 12:01:08,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08" (1/1) ... [2020-07-01 12:01:08,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08" (1/1) ... [2020-07-01 12:01:08,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08" (1/1) ... [2020-07-01 12:01:08,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:01:08,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:01:08,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:01:08,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:01:08,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08" (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 12:01:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:01:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:01:08,654 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:01:08,654 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-01 12:01:08,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:01:08 BoogieIcfgContainer [2020-07-01 12:01:08,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:01:08,659 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:01:08,659 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:01:08,661 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:01:08,662 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:01:08" (1/1) ... [2020-07-01 12:01:08,674 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges [2020-07-01 12:01:08,676 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:01:08,677 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:01:08,678 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:01:08,678 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:01:08,680 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:01:08,681 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:01:08,681 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:01:08,695 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:01:08,701 INFO L200 BlockEncoder]: SBE split 0 edges [2020-07-01 12:01:08,706 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-07-01 12:01:08,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:01:08,724 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-07-01 12:01:08,726 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 12:01:08,727 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:01:08,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:01:08,728 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:01:08,728 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:01:08,729 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-07-01 12:01:08,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:01:08 BasicIcfg [2020-07-01 12:01:08,729 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:01:08,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:01:08,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:01:08,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:01:08,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:01:08" (1/4) ... [2020-07-01 12:01:08,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2d9d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:01:08, skipping insertion in model container [2020-07-01 12:01:08,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08" (2/4) ... [2020-07-01 12:01:08,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2d9d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:01:08, skipping insertion in model container [2020-07-01 12:01:08,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:01:08" (3/4) ... [2020-07-01 12:01:08,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2d9d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:01:08, skipping insertion in model container [2020-07-01 12:01:08,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:01:08" (4/4) ... [2020-07-01 12:01:08,738 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:01:08,748 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:01:08,754 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:01:08,768 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:01:08,791 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:01:08,791 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:01:08,791 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:01:08,791 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:01:08,791 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:01:08,792 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:01:08,792 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:01:08,792 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:01:08,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-07-01 12:01:08,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:01:08,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-07-01 12:01:08,867 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:01:08,868 INFO L271 CegarLoopResult]: At program point L12-2(lines 12 14) the Hoare annotation is: true [2020-07-01 12:01:08,868 INFO L271 CegarLoopResult]: At program point L11-2(lines 11 16) the Hoare annotation is: true [2020-07-01 12:01:08,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:01:08 BasicIcfg [2020-07-01 12:01:08,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:01:08,877 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:01:08,877 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:01:08,881 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:01:08,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:01:08,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:01:08" (1/5) ... [2020-07-01 12:01:08,882 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62036244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:01:08, skipping insertion in model container [2020-07-01 12:01:08,883 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:01:08,883 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:01:08" (2/5) ... [2020-07-01 12:01:08,883 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62036244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:01:08, skipping insertion in model container [2020-07-01 12:01:08,883 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:01:08,883 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:01:08" (3/5) ... [2020-07-01 12:01:08,884 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62036244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:01:08, skipping insertion in model container [2020-07-01 12:01:08,884 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:01:08,884 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:01:08" (4/5) ... [2020-07-01 12:01:08,884 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62036244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:01:08, skipping insertion in model container [2020-07-01 12:01:08,885 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:01:08,885 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:01:08" (5/5) ... [2020-07-01 12:01:08,886 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:01:08,915 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:01:08,915 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:01:08,915 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:01:08,915 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:01:08,916 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:01:08,916 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:01:08,916 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:01:08,916 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:01:08,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 12:01:08,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:01:08,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:01:08,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:01:08,942 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:01:08,942 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:01:08,942 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:01:08,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 12:01:08,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:01:08,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:01:08,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:01:08,943 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:01:08,943 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:01:08,948 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L11-2true [2020-07-01 12:01:08,949 INFO L796 eck$LassoCheckResult]: Loop: 5#L11-2true [40] L11-2-->L12-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_9) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 3#L12-2true [45] L12-2-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_11 (+ v_ULTIMATE.start_main_~x~0_12 (- 1))) (<= v_ULTIMATE.start_main_~y~0_9 0)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 5#L11-2true [2020-07-01 12:01:08,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:01:08,956 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times [2020-07-01 12:01:08,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:01:08,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324633092] [2020-07-01 12:01:08,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:01:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:01:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:01:09,038 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:01:09,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:01:09,039 INFO L82 PathProgramCache]: Analyzing trace with hash 2246, now seen corresponding path program 1 times [2020-07-01 12:01:09,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:01:09,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767751649] [2020-07-01 12:01:09,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:01:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:01:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:01:09,052 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:01:09,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:01:09,054 INFO L82 PathProgramCache]: Analyzing trace with hash 63750, now seen corresponding path program 1 times [2020-07-01 12:01:09,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:01:09,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430703594] [2020-07-01 12:01:09,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:01:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:01:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:01:09,065 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:01:09,108 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:01:09,109 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:01:09,109 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:01:09,110 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:01:09,110 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:01:09,110 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:01:09,110 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:01:09,110 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:01:09,111 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:01:09,111 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:01:09,111 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:01:09,130 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 12:01:09,141 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 12:01:09,145 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 12:01:09,151 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 12:01:09,232 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:01:09,233 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 12:01:09,240 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:01:09,241 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:01:09,252 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:01:09,252 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 12:01:09,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:01:09,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:01:09,291 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:01:09,292 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 12:01:09,324 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:01:09,324 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:01:09,329 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:01:09,329 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:01:09,521 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:01:09,521 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:01:09,557 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:01:09,558 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:01:09,595 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:01:09,597 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:01:09,597 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:01:09,597 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:01:09,597 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:01:09,597 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:01:09,598 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:01:09,598 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:01:09,598 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:01:09,598 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:01:09,598 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:01:09,598 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:01:09,600 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 12:01:09,605 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 12:01:09,610 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 12:01:09,614 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 12:01:09,686 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:01:09,692 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:01:09,696 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 12:01:09,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:01:09,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:01:09,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:01:09,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:01:09,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:01:09,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:01:09,714 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 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:01:09,747 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 12:01:09,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:01:09,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:01:09,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:01:09,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:01:09,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:01:09,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:01:09,760 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 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:01:09,794 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 12:01:09,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:01:09,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:01:09,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:01:09,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:01:09,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:01:09,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:01:09,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:01:09,800 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 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:01:09,833 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 12:01:09,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:01:09,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:01:09,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:01:09,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:01:09,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:01:09,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:01:09,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:01:09,841 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:01:09,847 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-07-01 12:01:09,847 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 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 12:01:09,853 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:01:09,853 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:01:09,854 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:01:09,854 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-07-01 12:01:09,888 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:01:09,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:01:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:01:09,922 INFO L264 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 12:01:09,923 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:01:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:01:09,935 WARN L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:01:09,935 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:01:09,952 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 12:01:09,978 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 12:01:09,983 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 12:01:09,984 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-07-01 12:01:10,010 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. [2020-07-01 12:01:10,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-01 12:01:10,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 12:01:10,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-07-01 12:01:10,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-01 12:01:10,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:01:10,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. [2020-07-01 12:01:10,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:01:10,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. [2020-07-01 12:01:10,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:01:10,024 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. [2020-07-01 12:01:10,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:01:10,028 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. [2020-07-01 12:01:10,030 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-07-01 12:01:10,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-07-01 12:01:10,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. [2020-07-01 12:01:10,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 12:01:10,031 INFO L688 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2020-07-01 12:01:10,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. [2020-07-01 12:01:10,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. [2020-07-01 12:01:10,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-01 12:01:10,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2020-07-01 12:01:10,074 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2020-07-01 12:01:10,075 INFO L591 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2020-07-01 12:01:10,075 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 12:01:10,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. [2020-07-01 12:01:10,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:01:10,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:01:10,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:01:10,076 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:01:10,076 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:01:10,076 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 46#L11-2 [40] L11-2-->L12-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_9) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 42#L12-2 [2020-07-01 12:01:10,077 INFO L796 eck$LassoCheckResult]: Loop: 42#L12-2 [33] L12-2-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 42#L12-2 [2020-07-01 12:01:10,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:01:10,077 INFO L82 PathProgramCache]: Analyzing trace with hash 2055, now seen corresponding path program 1 times [2020-07-01 12:01:10,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:01:10,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036814216] [2020-07-01 12:01:10,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:01:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:01:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:01:10,085 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:01:10,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:01:10,085 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2020-07-01 12:01:10,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:01:10,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983780724] [2020-07-01 12:01:10,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:01:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:01:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:01:10,091 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:01:10,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:01:10,092 INFO L82 PathProgramCache]: Analyzing trace with hash 63738, now seen corresponding path program 1 times [2020-07-01 12:01:10,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:01:10,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416839346] [2020-07-01 12:01:10,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:01:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:01:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:01:10,100 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:01:10,111 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:01:10,111 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:01:10,111 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:01:10,111 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:01:10,111 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:01:10,112 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:01:10,112 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:01:10,112 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:01:10,112 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 12:01:10,112 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:01:10,112 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:01:10,113 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 12:01:10,117 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 12:01:10,120 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 12:01:10,163 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:01:10,163 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:01:10,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:01:10,188 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:01:10,194 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:01:10,195 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 12:01:10,231 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:01:10,231 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:01:10,239 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:01:10,240 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} 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 12:01:10,274 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:01:10,274 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 12:01:10,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:01:10,310 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:01:10,347 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:01:10,349 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:01:10,350 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:01:10,350 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:01:10,350 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:01:10,350 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:01:10,350 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:01:10,350 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:01:10,350 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:01:10,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 12:01:10,351 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:01:10,351 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:01:10,353 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 12:01:10,356 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 12:01:10,360 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 12:01:10,399 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:01:10,399 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:01:10,402 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 12:01:10,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:01:10,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:01:10,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:01:10,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:01:10,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:01:10,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:01:10,413 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 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:01:10,448 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 12:01:10,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:01:10,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:01:10,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:01:10,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:01:10,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:01:10,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:01:10,459 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 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:01:10,493 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 12:01:10,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:01:10,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:01:10,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:01:10,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:01:10,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:01:10,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:01:10,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:01:10,499 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:01:10,504 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-01 12:01:10,504 INFO L444 ModelExtractionUtils]: 0 out of 3 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 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 12:01:10,508 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:01:10,508 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:01:10,509 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:01:10,509 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-07-01 12:01:10,540 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:01:10,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:01:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:01:10,563 INFO L264 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 12:01:10,563 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:01:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:01:10,570 WARN L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:01:10,570 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:01:10,570 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 12:01:10,571 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-07-01 12:01:10,571 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 1 loop predicates [2020-07-01 12:01:10,571 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. [2020-07-01 12:01:10,583 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 11 states and 16 transitions. Complement of second has 6 states. [2020-07-01 12:01:10,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-01 12:01:10,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 12:01:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-07-01 12:01:10,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 12:01:10,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:01:10,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-01 12:01:10,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:01:10,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 12:01:10,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:01:10,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2020-07-01 12:01:10,588 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:01:10,588 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2020-07-01 12:01:10,588 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-01 12:01:10,588 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-01 12:01:10,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-01 12:01:10,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:01:10,589 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:01:10,589 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:01:10,589 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:01:10,589 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-01 12:01:10,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-01 12:01:10,589 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:01:10,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 12:01:10,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:01:10 BasicIcfg [2020-07-01 12:01:10,596 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 12:01:10,598 INFO L168 Benchmark]: Toolchain (without parser) took 2514.12 ms. Allocated memory was 514.9 MB in the beginning and 585.1 MB in the end (delta: 70.3 MB). Free memory was 438.5 MB in the beginning and 506.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 2.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:01:10,599 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 458.6 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:01:10,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.37 ms. Allocated memory was 514.9 MB in the beginning and 560.5 MB in the end (delta: 45.6 MB). Free memory was 438.5 MB in the beginning and 527.9 MB in the end (delta: -89.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:01:10,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.56 ms. Allocated memory is still 560.5 MB. Free memory was 527.9 MB in the beginning and 526.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:01:10,601 INFO L168 Benchmark]: Boogie Preprocessor took 20.40 ms. Allocated memory is still 560.5 MB. Free memory was 526.6 MB in the beginning and 525.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:01:10,601 INFO L168 Benchmark]: RCFGBuilder took 223.74 ms. Allocated memory is still 560.5 MB. Free memory was 525.2 MB in the beginning and 514.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 50.3 GB. [2020-07-01 12:01:10,602 INFO L168 Benchmark]: BlockEncodingV2 took 70.39 ms. Allocated memory is still 560.5 MB. Free memory was 513.3 MB in the beginning and 508.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 50.3 GB. [2020-07-01 12:01:10,602 INFO L168 Benchmark]: TraceAbstraction took 146.30 ms. Allocated memory is still 560.5 MB. Free memory was 507.9 MB in the beginning and 499.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. [2020-07-01 12:01:10,603 INFO L168 Benchmark]: BuchiAutomizer took 1718.53 ms. Allocated memory was 560.5 MB in the beginning and 585.1 MB in the end (delta: 24.6 MB). Free memory was 499.0 MB in the beginning and 506.2 MB in the end (delta: -7.2 MB). Peak memory consumption was 17.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:01:10,606 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 8 locations, 11 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 458.6 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 294.37 ms. Allocated memory was 514.9 MB in the beginning and 560.5 MB in the end (delta: 45.6 MB). Free memory was 438.5 MB in the beginning and 527.9 MB in the end (delta: -89.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.56 ms. Allocated memory is still 560.5 MB. Free memory was 527.9 MB in the beginning and 526.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 20.40 ms. Allocated memory is still 560.5 MB. Free memory was 526.6 MB in the beginning and 525.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 223.74 ms. Allocated memory is still 560.5 MB. Free memory was 525.2 MB in the beginning and 514.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 70.39 ms. Allocated memory is still 560.5 MB. Free memory was 513.3 MB in the beginning and 508.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 50.3 GB. * TraceAbstraction took 146.30 ms. Allocated memory is still 560.5 MB. Free memory was 507.9 MB in the beginning and 499.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1718.53 ms. Allocated memory was 560.5 MB in the beginning and 585.1 MB in the end (delta: 24.6 MB). Free memory was 499.0 MB in the beginning and 506.2 MB in the end (delta: -7.2 MB). Peak memory consumption was 17.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 13 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax206 hnf100 lsp42 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 12:01:04.324 ----------------------------------------------- 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_VyUfL9/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:01:11.040 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check