/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:25:21,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:25:21,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:25:21,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:25:21,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:25:21,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:25:21,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:25:21,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:25:21,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:25:21,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:25:21,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:25:21,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:25:21,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:25:21,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:25:21,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:25:21,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:25:21,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:25:21,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:25:21,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:25:21,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:25:21,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:25:21,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:25:21,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:25:21,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:25:21,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:25:21,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:25:21,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:25:21,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:25:21,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:25:21,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:25:21,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:25:21,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:25:21,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:25:21,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:25:21,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:25:21,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:25:21,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:25:21,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:25:21,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:25:21,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:25:21,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:25:21,650 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 12:25:21,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:25:21,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:25:21,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:25:21,666 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:25:21,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:25:21,666 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:25:21,666 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:25:21,667 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:25:21,667 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:25:21,667 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:25:21,667 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:25:21,667 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:25:21,667 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:25:21,668 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:25:21,668 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:25:21,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:25:21,668 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:25:21,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:25:21,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:25:21,669 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:25:21,669 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:25:21,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:25:21,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:25:21,669 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:25:21,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:25:21,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:25:21,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:25:21,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:25:21,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:25:21,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:25:21,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:25:21,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:25:21,856 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:25:21,857 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:25:21,857 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:25:21,918 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_AadsFO/tmp/d761c4e7b4964098afc2a0f3a3d6df88/FLAG51005a3a6 [2020-07-01 12:25:22,259 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:25:22,260 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:25:22,267 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_AadsFO/tmp/d761c4e7b4964098afc2a0f3a3d6df88/FLAG51005a3a6 [2020-07-01 12:25:22,665 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_AadsFO/tmp/d761c4e7b4964098afc2a0f3a3d6df88 [2020-07-01 12:25:22,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:25:22,678 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:25:22,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:25:22,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:25:22,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:25:22,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:25:22" (1/1) ... [2020-07-01 12:25:22,687 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 12:25:22, skipping insertion in model container [2020-07-01 12:25:22,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:25:22" (1/1) ... [2020-07-01 12:25:22,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:25:22,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:25:22,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:25:22,931 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:25:22,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:25:22,959 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:25:22,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22 WrapperNode [2020-07-01 12:25:22,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:25:22,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:25:22,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:25:22,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:25:22,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22" (1/1) ... [2020-07-01 12:25:22,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22" (1/1) ... [2020-07-01 12:25:22,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:25:22,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:25:22,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:25:22,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:25:23,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22" (1/1) ... [2020-07-01 12:25:23,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22" (1/1) ... [2020-07-01 12:25:23,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22" (1/1) ... [2020-07-01 12:25:23,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22" (1/1) ... [2020-07-01 12:25:23,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22" (1/1) ... [2020-07-01 12:25:23,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22" (1/1) ... [2020-07-01 12:25:23,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22" (1/1) ... [2020-07-01 12:25:23,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:25:23,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:25:23,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:25:23,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:25:23,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22" (1/1) ... No working directory specified, using /export/starexec/sandbox/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 12:25:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:25:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:25:23,242 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:25:23,243 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-01 12:25:23,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:25:23 BoogieIcfgContainer [2020-07-01 12:25:23,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:25:23,247 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:25:23,247 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:25:23,249 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:25:23,250 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:25:23" (1/1) ... [2020-07-01 12:25:23,261 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2020-07-01 12:25:23,263 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:25:23,263 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:25:23,264 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:25:23,264 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:25:23,266 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:25:23,267 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:25:23,267 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:25:23,281 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:25:23,296 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 12:25:23,300 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 12:25:23,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:25:23,315 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-07-01 12:25:23,317 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 12:25:23,319 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:25:23,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:25:23,319 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:25:23,319 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:25:23,320 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 5 edges [2020-07-01 12:25:23,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:25:23 BasicIcfg [2020-07-01 12:25:23,320 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:25:23,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:25:23,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:25:23,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:25:23,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:25:22" (1/4) ... [2020-07-01 12:25:23,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d168a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:25:23, skipping insertion in model container [2020-07-01 12:25:23,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22" (2/4) ... [2020-07-01 12:25:23,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d168a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:25:23, skipping insertion in model container [2020-07-01 12:25:23,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:25:23" (3/4) ... [2020-07-01 12:25:23,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d168a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:25:23, skipping insertion in model container [2020-07-01 12:25:23,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:25:23" (4/4) ... [2020-07-01 12:25:23,328 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:25:23,339 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:25:23,346 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:25:23,360 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:25:23,382 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:25:23,383 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:25:23,383 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:25:23,383 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:25:23,383 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:25:23,383 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:25:23,383 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:25:23,384 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:25:23,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-07-01 12:25:23,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:25:23,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-07-01 12:25:23,459 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:25:23,459 INFO L271 CegarLoopResult]: At program point L7-2(lines 7 10) the Hoare annotation is: true [2020-07-01 12:25:23,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:25:23 BasicIcfg [2020-07-01 12:25:23,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:25:23,468 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:25:23,469 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:25:23,472 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:25:23,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:25:23,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:25:22" (1/5) ... [2020-07-01 12:25:23,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f04ce51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:25:23, skipping insertion in model container [2020-07-01 12:25:23,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:25:23,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:22" (2/5) ... [2020-07-01 12:25:23,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f04ce51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:25:23, skipping insertion in model container [2020-07-01 12:25:23,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:25:23,475 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:25:23" (3/5) ... [2020-07-01 12:25:23,475 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f04ce51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:25:23, skipping insertion in model container [2020-07-01 12:25:23,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:25:23,475 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:25:23" (4/5) ... [2020-07-01 12:25:23,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f04ce51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:25:23, skipping insertion in model container [2020-07-01 12:25:23,476 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:25:23,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:25:23" (5/5) ... [2020-07-01 12:25:23,478 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:25:23,504 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:25:23,505 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:25:23,505 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:25:23,505 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:25:23,506 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:25:23,506 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:25:23,506 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:25:23,506 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:25:23,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 12:25:23,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:25:23,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:25:23,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:25:23,533 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:25:23,534 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:25:23,534 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:25:23,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 12:25:23,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:25:23,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:25:23,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:25:23,535 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:25:23,535 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:25:23,541 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [24] ULTIMATE.startENTRY-->L7-2: Formula: (and (= |v_ULTIMATE.start_f_#in~y_1| |v_ULTIMATE.start_main_#t~nondet2_2|) (= v_ULTIMATE.start_f_~y_1 |v_ULTIMATE.start_f_#in~y_1|) (= v_ULTIMATE.start_f_~flag~0_1 1) (= v_ULTIMATE.start_f_~x_1 |v_ULTIMATE.start_f_#in~x_1|) (= |v_ULTIMATE.start_f_#in~x_1| |v_ULTIMATE.start_main_#t~nondet1_2|) (= v_ULTIMATE.start_f_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_1, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_1, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_1, ULTIMATE.start_f_#res=|v_ULTIMATE.start_f_#res_2|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_f_#in~y=|v_ULTIMATE.start_f_#in~y_1|, ULTIMATE.start_f_#in~x=|v_ULTIMATE.start_f_#in~x_1|, ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_1|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_3|} AuxVars[] AssignedVars[ULTIMATE.start_f_#res, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~y, ULTIMATE.start_f_~x, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_f_#in~y, ULTIMATE.start_f_#in~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0, ULTIMATE.start_main_#t~ret3] 3#L7-2true [2020-07-01 12:25:23,541 INFO L796 eck$LassoCheckResult]: Loop: 3#L7-2true [32] L7-2-->L7-2: Formula: (and (= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~x_4 1)) (= v_ULTIMATE.start_f_~c~0_3 (+ v_ULTIMATE.start_f_~c~0_4 1)) (>= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~y_3 1)) (= 0 v_ULTIMATE.start_f_~flag~0_4) (< 0 v_ULTIMATE.start_f_~flag~0_5)) InVars {ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_5, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_4, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_4} OutVars{ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_2|, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_4, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_3, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0] 3#L7-2true [2020-07-01 12:25:23,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:23,550 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2020-07-01 12:25:23,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:23,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239718862] [2020-07-01 12:25:23,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:23,632 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:25:23,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:23,634 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times [2020-07-01 12:25:23,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:23,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732109189] [2020-07-01 12:25:23,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:23,651 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:25:23,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:23,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1737, now seen corresponding path program 1 times [2020-07-01 12:25:23,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:23,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399434895] [2020-07-01 12:25:23,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:23,673 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:25:23,726 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:25:23,727 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:25:23,727 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:25:23,727 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:25:23,728 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:25:23,728 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:25:23,728 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:25:23,728 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:25:23,728 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:25:23,728 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:25:23,729 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:25:23,747 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 12:25:23,755 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 12:25:23,770 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 12:25:23,778 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 12:25:23,861 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:25:23,862 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 12:25:23,868 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:25:23,868 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:25:23,877 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:25:23,877 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~post0=0} Honda state: {ULTIMATE.start_f_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 12:25:23,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:25:23,911 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 12:25:23,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:25:23,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:25:23,986 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:25:23,987 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y=0, ULTIMATE.start_f_~x=0} Honda state: {ULTIMATE.start_f_~y=0, ULTIMATE.start_f_~x=0} Generalized eigenvectors: [{ULTIMATE.start_f_~y=-1, ULTIMATE.start_f_~x=-1}, {ULTIMATE.start_f_~y=-1, ULTIMATE.start_f_~x=-1}, {ULTIMATE.start_f_~y=2, ULTIMATE.start_f_~x=3}] Lambdas: [0, 1, 1] Nus: [1, 0] No working directory specified, using /export/starexec/sandbox/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 12:25:24,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:25:24,020 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 12:25:24,057 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:25:24,057 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:25:24,095 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:25:24,098 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:25:24,098 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:25:24,098 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:25:24,098 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:25:24,098 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:25:24,098 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:25:24,099 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:25:24,099 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:25:24,099 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:25:24,099 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:25:24,099 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:25:24,101 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 12:25:24,104 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 12:25:24,112 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 12:25:24,119 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 12:25:24,187 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:25:24,193 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/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 12:25:24,197 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 12:25:24,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:24,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:25:24,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:24,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:24,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:25:24,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:25:24,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:25:24,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 12:25:24,239 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 12:25:24,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:24,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:25:24,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:24,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:24,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:25:24,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:25:24,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:25:24,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 12:25:24,279 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 12:25:24,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:24,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:25:24,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:24,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:24,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:25:24,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:25:24,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:25:24,286 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:25:24,289 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-07-01 12:25:24,290 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/sandbox/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 12:25:24,294 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:25:24,294 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:25:24,294 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:25:24,295 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~flag~0) = 1*ULTIMATE.start_f_~flag~0 Supporting invariants [] [2020-07-01 12:25:24,328 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:25:24,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:25:24,373 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 12:25:24,374 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:25:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:25:24,385 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:25:24,386 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:25:24,386 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 12:25:24,398 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-07-01 12:25:24,403 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 12:25:24,405 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. [2020-07-01 12:25:24,450 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 8 states and 27 transitions. Complement of second has 4 states. [2020-07-01 12:25:24,451 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 12:25:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 12:25:24,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-07-01 12:25:24,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2020-07-01 12:25:24,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:25:24,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 12:25:24,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:25:24,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-01 12:25:24,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:25:24,463 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 27 transitions. [2020-07-01 12:25:24,465 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-01 12:25:24,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 27 transitions. [2020-07-01 12:25:24,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-07-01 12:25:24,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-07-01 12:25:24,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 27 transitions. [2020-07-01 12:25:24,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 12:25:24,472 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 27 transitions. [2020-07-01 12:25:24,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 27 transitions. [2020-07-01 12:25:24,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 6. [2020-07-01 12:25:24,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-01 12:25:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2020-07-01 12:25:24,501 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 20 transitions. [2020-07-01 12:25:24,502 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 20 transitions. [2020-07-01 12:25:24,502 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 12:25:24,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 20 transitions. [2020-07-01 12:25:24,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-01 12:25:24,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:25:24,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:25:24,503 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:25:24,503 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:25:24,504 INFO L794 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L7-2: Formula: (and (= |v_ULTIMATE.start_f_#in~y_1| |v_ULTIMATE.start_main_#t~nondet2_2|) (= v_ULTIMATE.start_f_~y_1 |v_ULTIMATE.start_f_#in~y_1|) (= v_ULTIMATE.start_f_~flag~0_1 1) (= v_ULTIMATE.start_f_~x_1 |v_ULTIMATE.start_f_#in~x_1|) (= |v_ULTIMATE.start_f_#in~x_1| |v_ULTIMATE.start_main_#t~nondet1_2|) (= v_ULTIMATE.start_f_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_1, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_1, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_1, ULTIMATE.start_f_#res=|v_ULTIMATE.start_f_#res_2|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_f_#in~y=|v_ULTIMATE.start_f_#in~y_1|, ULTIMATE.start_f_#in~x=|v_ULTIMATE.start_f_#in~x_1|, ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_1|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_3|} AuxVars[] AssignedVars[ULTIMATE.start_f_#res, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~y, ULTIMATE.start_f_~x, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_f_#in~y, ULTIMATE.start_f_#in~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0, ULTIMATE.start_main_#t~ret3] 43#L7-2 [31] L7-2-->L7-2: Formula: (and (= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~x_4 1)) (> 0 v_ULTIMATE.start_f_~flag~0_5) (= v_ULTIMATE.start_f_~c~0_3 (+ v_ULTIMATE.start_f_~c~0_4 1)) (>= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~y_3 1)) (= 0 v_ULTIMATE.start_f_~flag~0_4)) InVars {ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_5, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_4, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_4} OutVars{ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_2|, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_4, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_3, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0] 39#L7-2 [2020-07-01 12:25:24,504 INFO L796 eck$LassoCheckResult]: Loop: 39#L7-2 [32] L7-2-->L7-2: Formula: (and (= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~x_4 1)) (= v_ULTIMATE.start_f_~c~0_3 (+ v_ULTIMATE.start_f_~c~0_4 1)) (>= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~y_3 1)) (= 0 v_ULTIMATE.start_f_~flag~0_4) (< 0 v_ULTIMATE.start_f_~flag~0_5)) InVars {ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_5, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_4, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_4} OutVars{ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_2|, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_4, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_3, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0] 39#L7-2 [2020-07-01 12:25:24,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:24,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1736, now seen corresponding path program 1 times [2020-07-01 12:25:24,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:24,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695369289] [2020-07-01 12:25:24,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:25:24,541 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 12:25:24,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695369289] [2020-07-01 12:25:24,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:25:24,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-01 12:25:24,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070695435] [2020-07-01 12:25:24,546 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-07-01 12:25:24,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:24,546 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 2 times [2020-07-01 12:25:24,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:24,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268325021] [2020-07-01 12:25:24,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:24,555 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:25:24,579 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:25:24,580 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:25:24,580 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:25:24,580 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:25:24,580 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:25:24,580 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:25:24,580 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:25:24,580 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:25:24,581 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 12:25:24,581 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:25:24,581 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:25:24,582 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 12:25:24,585 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 12:25:24,591 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 12:25:24,597 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 12:25:24,674 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:25:24,675 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:25:24,683 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:25:24,683 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:25:24,687 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:25:24,687 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~post0=0} Honda state: {ULTIMATE.start_f_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 12:25:24,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:25:24,724 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 12:25:24,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:25:24,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:25:24,801 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:25:24,803 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:25:24,803 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:25:24,803 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:25:24,803 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:25:24,803 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:25:24,804 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:25:24,804 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:25:24,804 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:25:24,804 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 12:25:24,804 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:25:24,804 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:25:24,806 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 12:25:24,809 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 12:25:24,815 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 12:25:24,823 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 12:25:24,882 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:25:24,882 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:25:24,885 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 12:25:24,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:24,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:25:24,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:24,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:24,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:25:24,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:25:24,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:25:24,890 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:25:24,923 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 12:25:24,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:24,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:25:24,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:24,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:24,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:25:24,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:25:24,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:25:24,930 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:25:24,934 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-07-01 12:25:24,934 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/sandbox/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 12:25:24,939 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:25:24,939 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:25:24,939 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:25:24,939 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~flag~0) = 1*ULTIMATE.start_f_~flag~0 Supporting invariants [] [2020-07-01 12:25:24,970 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:25:24,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:25:24,992 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 12:25:24,992 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:25:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:25:25,007 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:25:25,007 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:25:25,008 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 12:25:25,008 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-07-01 12:25:25,008 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 12:25:25,009 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 20 transitions. cyclomatic complexity: 17 Second operand 2 states. [2020-07-01 12:25:25,039 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 20 transitions. cyclomatic complexity: 17. Second operand 2 states. Result 14 states and 49 transitions. Complement of second has 5 states. [2020-07-01 12:25:25,040 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 12:25:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 12:25:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-07-01 12:25:25,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 12:25:25,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:25:25,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-01 12:25:25,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:25:25,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 12:25:25,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:25:25,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 49 transitions. [2020-07-01 12:25:25,045 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-07-01 12:25:25,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 49 transitions. [2020-07-01 12:25:25,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-07-01 12:25:25,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-07-01 12:25:25,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 49 transitions. [2020-07-01 12:25:25,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 12:25:25,047 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 49 transitions. [2020-07-01 12:25:25,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 49 transitions. [2020-07-01 12:25:25,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 11. [2020-07-01 12:25:25,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-01 12:25:25,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 39 transitions. [2020-07-01 12:25:25,050 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 39 transitions. [2020-07-01 12:25:25,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:25:25,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:25:25,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:25:25,053 INFO L87 Difference]: Start difference. First operand 11 states and 39 transitions. Second operand 3 states. [2020-07-01 12:25:25,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:25:25,074 INFO L93 Difference]: Finished difference Result 12 states and 37 transitions. [2020-07-01 12:25:25,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:25:25,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 37 transitions. [2020-07-01 12:25:25,077 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2020-07-01 12:25:25,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 37 transitions. [2020-07-01 12:25:25,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-07-01 12:25:25,078 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-07-01 12:25:25,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 37 transitions. [2020-07-01 12:25:25,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 12:25:25,079 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 37 transitions. [2020-07-01 12:25:25,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 37 transitions. [2020-07-01 12:25:25,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-07-01 12:25:25,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-01 12:25:25,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 37 transitions. [2020-07-01 12:25:25,081 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 37 transitions. [2020-07-01 12:25:25,081 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 37 transitions. [2020-07-01 12:25:25,081 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-01 12:25:25,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 37 transitions. [2020-07-01 12:25:25,082 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2020-07-01 12:25:25,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:25:25,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:25:25,083 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:25:25,083 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:25:25,083 INFO L794 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L7-2: Formula: (and (= |v_ULTIMATE.start_f_#in~y_1| |v_ULTIMATE.start_main_#t~nondet2_2|) (= v_ULTIMATE.start_f_~y_1 |v_ULTIMATE.start_f_#in~y_1|) (= v_ULTIMATE.start_f_~flag~0_1 1) (= v_ULTIMATE.start_f_~x_1 |v_ULTIMATE.start_f_#in~x_1|) (= |v_ULTIMATE.start_f_#in~x_1| |v_ULTIMATE.start_main_#t~nondet1_2|) (= v_ULTIMATE.start_f_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_1, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_1, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_1, ULTIMATE.start_f_#res=|v_ULTIMATE.start_f_#res_2|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_f_#in~y=|v_ULTIMATE.start_f_#in~y_1|, ULTIMATE.start_f_#in~x=|v_ULTIMATE.start_f_#in~x_1|, ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_1|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_3|} AuxVars[] AssignedVars[ULTIMATE.start_f_#res, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~y, ULTIMATE.start_f_~x, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_f_#in~y, ULTIMATE.start_f_#in~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0, ULTIMATE.start_main_#t~ret3] 113#L7-2 [30] L7-2-->L7-2: Formula: (and (= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~x_4 1)) (= 1 v_ULTIMATE.start_f_~flag~0_4) (< v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~y_3 1)) (= v_ULTIMATE.start_f_~c~0_3 (+ v_ULTIMATE.start_f_~c~0_4 1)) (< 0 v_ULTIMATE.start_f_~flag~0_5)) InVars {ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_5, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_4, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_4} OutVars{ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_2|, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_4, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_3, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0] 109#L7-2 [2020-07-01 12:25:25,084 INFO L796 eck$LassoCheckResult]: Loop: 109#L7-2 [30] L7-2-->L7-2: Formula: (and (= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~x_4 1)) (= 1 v_ULTIMATE.start_f_~flag~0_4) (< v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~y_3 1)) (= v_ULTIMATE.start_f_~c~0_3 (+ v_ULTIMATE.start_f_~c~0_4 1)) (< 0 v_ULTIMATE.start_f_~flag~0_5)) InVars {ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_5, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_4, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_4} OutVars{ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_2|, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_4, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_3, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0] 109#L7-2 [2020-07-01 12:25:25,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:25,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1735, now seen corresponding path program 1 times [2020-07-01 12:25:25,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:25,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618315527] [2020-07-01 12:25:25,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:25,096 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:25:25,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:25,097 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 1 times [2020-07-01 12:25:25,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:25,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893025400] [2020-07-01 12:25:25,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:25,105 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:25:25,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:25,105 INFO L82 PathProgramCache]: Analyzing trace with hash 53815, now seen corresponding path program 2 times [2020-07-01 12:25:25,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:25,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194809187] [2020-07-01 12:25:25,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:25,120 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:25:25,147 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:25:25,147 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:25:25,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:25:25,148 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:25:25,148 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:25:25,148 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:25:25,148 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:25:25,148 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:25:25,148 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-07-01 12:25:25,148 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:25:25,149 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:25:25,150 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 12:25:25,154 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 12:25:25,161 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 12:25:25,167 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 12:25:25,229 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:25:25,230 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 12:25:25,233 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:25:25,233 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:25:25,237 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:25:25,237 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~post0=0} Honda state: {ULTIMATE.start_f_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 12:25:25,271 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:25:25,271 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:25:25,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:25:25,309 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:25:25,705 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:25:25,708 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:25:25,708 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:25:25,708 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:25:25,708 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:25:25,708 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:25:25,708 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:25:25,708 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:25:25,709 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:25:25,709 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-07-01 12:25:25,709 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:25:25,709 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:25:25,710 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 12:25:25,713 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 12:25:25,720 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 12:25:25,727 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 12:25:25,775 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:25:25,776 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/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 12:25:25,779 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 12:25:25,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:25,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:25:25,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:25,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:25,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:25:25,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:25:25,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:25:25,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 12:25:25,816 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 12:25:25,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:25,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:25:25,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:25,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:25,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:25:25,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:25:25,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:25:25,823 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:25:25,828 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-07-01 12:25:25,829 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox/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 12:25:25,832 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:25:25,832 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:25:25,833 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:25:25,833 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y, ULTIMATE.start_f_~x) = 1*ULTIMATE.start_f_~y - 1*ULTIMATE.start_f_~x Supporting invariants [] [2020-07-01 12:25:25,863 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:25:25,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:25:25,895 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 12:25:25,895 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:25:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:25:25,903 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:25:25,904 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:25:25,904 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 12:25:25,904 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-07-01 12:25:25,905 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 12:25:25,905 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 12 states and 37 transitions. cyclomatic complexity: 28 Second operand 2 states. [2020-07-01 12:25:25,938 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 12 states and 37 transitions. cyclomatic complexity: 28. Second operand 2 states. Result 32 states and 106 transitions. Complement of second has 4 states. [2020-07-01 12:25:25,938 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 12:25:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 12:25:25,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2020-07-01 12:25:25,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 12:25:25,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:25:25,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-01 12:25:25,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:25:25,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 12:25:25,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:25:25,941 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 106 transitions. [2020-07-01 12:25:25,944 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2020-07-01 12:25:25,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 30 states and 92 transitions. [2020-07-01 12:25:25,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-07-01 12:25:25,945 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-07-01 12:25:25,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 92 transitions. [2020-07-01 12:25:25,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 12:25:25,946 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 92 transitions. [2020-07-01 12:25:25,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 92 transitions. [2020-07-01 12:25:25,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2020-07-01 12:25:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-07-01 12:25:25,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 73 transitions. [2020-07-01 12:25:25,950 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 73 transitions. [2020-07-01 12:25:25,950 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 73 transitions. [2020-07-01 12:25:25,950 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2020-07-01 12:25:25,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 73 transitions. [2020-07-01 12:25:25,951 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2020-07-01 12:25:25,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:25:25,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:25:25,952 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-01 12:25:25,952 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:25:25,952 INFO L794 eck$LassoCheckResult]: Stem: 185#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L7-2: Formula: (and (= |v_ULTIMATE.start_f_#in~y_1| |v_ULTIMATE.start_main_#t~nondet2_2|) (= v_ULTIMATE.start_f_~y_1 |v_ULTIMATE.start_f_#in~y_1|) (= v_ULTIMATE.start_f_~flag~0_1 1) (= v_ULTIMATE.start_f_~x_1 |v_ULTIMATE.start_f_#in~x_1|) (= |v_ULTIMATE.start_f_#in~x_1| |v_ULTIMATE.start_main_#t~nondet1_2|) (= v_ULTIMATE.start_f_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_1, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_1, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_1, ULTIMATE.start_f_#res=|v_ULTIMATE.start_f_#res_2|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_f_#in~y=|v_ULTIMATE.start_f_#in~y_1|, ULTIMATE.start_f_#in~x=|v_ULTIMATE.start_f_#in~x_1|, ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_1|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_3|} AuxVars[] AssignedVars[ULTIMATE.start_f_#res, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~y, ULTIMATE.start_f_~x, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_f_#in~y, ULTIMATE.start_f_#in~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0, ULTIMATE.start_main_#t~ret3] 186#L7-2 [32] L7-2-->L7-2: Formula: (and (= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~x_4 1)) (= v_ULTIMATE.start_f_~c~0_3 (+ v_ULTIMATE.start_f_~c~0_4 1)) (>= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~y_3 1)) (= 0 v_ULTIMATE.start_f_~flag~0_4) (< 0 v_ULTIMATE.start_f_~flag~0_5)) InVars {ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_5, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_4, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_4} OutVars{ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_2|, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_4, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_3, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0] 202#L7-2 [29] L7-2-->L7-2: Formula: (and (= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~x_4 1)) (> 0 v_ULTIMATE.start_f_~flag~0_5) (= 1 v_ULTIMATE.start_f_~flag~0_4) (< v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~y_3 1)) (= v_ULTIMATE.start_f_~c~0_3 (+ v_ULTIMATE.start_f_~c~0_4 1))) InVars {ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_5, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_4, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_4} OutVars{ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_2|, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_4, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_3, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0] 195#L7-2 [2020-07-01 12:25:25,952 INFO L796 eck$LassoCheckResult]: Loop: 195#L7-2 [32] L7-2-->L7-2: Formula: (and (= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~x_4 1)) (= v_ULTIMATE.start_f_~c~0_3 (+ v_ULTIMATE.start_f_~c~0_4 1)) (>= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~y_3 1)) (= 0 v_ULTIMATE.start_f_~flag~0_4) (< 0 v_ULTIMATE.start_f_~flag~0_5)) InVars {ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_5, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_4, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_4} OutVars{ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_2|, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_4, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_3, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0] 194#L7-2 [29] L7-2-->L7-2: Formula: (and (= v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~x_4 1)) (> 0 v_ULTIMATE.start_f_~flag~0_5) (= 1 v_ULTIMATE.start_f_~flag~0_4) (< v_ULTIMATE.start_f_~x_3 (+ v_ULTIMATE.start_f_~y_3 1)) (= v_ULTIMATE.start_f_~c~0_3 (+ v_ULTIMATE.start_f_~c~0_4 1))) InVars {ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_5, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_4, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_4} OutVars{ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_2|, ULTIMATE.start_f_~y=v_ULTIMATE.start_f_~y_3, ULTIMATE.start_f_~flag~0=v_ULTIMATE.start_f_~flag~0_4, ULTIMATE.start_f_~c~0=v_ULTIMATE.start_f_~c~0_3, ULTIMATE.start_f_~x=v_ULTIMATE.start_f_~x_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~flag~0, ULTIMATE.start_f_~x, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~c~0] 195#L7-2 [2020-07-01 12:25:25,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:25,953 INFO L82 PathProgramCache]: Analyzing trace with hash 53876, now seen corresponding path program 1 times [2020-07-01 12:25:25,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:25,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642277257] [2020-07-01 12:25:25,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:25:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:25:25,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642277257] [2020-07-01 12:25:25,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:25:25,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:25:25,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978405229] [2020-07-01 12:25:25,976 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-07-01 12:25:25,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:25,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1982, now seen corresponding path program 1 times [2020-07-01 12:25:25,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:25,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862439113] [2020-07-01 12:25:25,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:25:25,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:25:25,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862439113] [2020-07-01 12:25:25,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:25:25,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-01 12:25:25,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571711310] [2020-07-01 12:25:25,991 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 12:25:25,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:25:25,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:25:25,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:25:25,992 INFO L87 Difference]: Start difference. First operand 24 states and 73 transitions. cyclomatic complexity: 57 Second operand 3 states. [2020-07-01 12:25:26,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:25:26,000 INFO L93 Difference]: Finished difference Result 6 states and 11 transitions. [2020-07-01 12:25:26,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:25:26,001 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 11 transitions. [2020-07-01 12:25:26,002 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:25:26,002 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2020-07-01 12:25:26,002 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-01 12:25:26,002 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-01 12:25:26,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-01 12:25:26,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:25:26,003 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:25:26,003 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:25:26,003 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:25:26,003 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2020-07-01 12:25:26,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-01 12:25:26,003 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:25:26,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 12:25:26,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:25:26 BasicIcfg [2020-07-01 12:25:26,009 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 12:25:26,012 INFO L168 Benchmark]: Toolchain (without parser) took 3332.65 ms. Allocated memory was 514.9 MB in the beginning and 587.7 MB in the end (delta: 72.9 MB). Free memory was 438.5 MB in the beginning and 430.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 80.8 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:26,012 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 514.9 MB. Free memory is still 458.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:25:26,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.80 ms. Allocated memory was 514.9 MB in the beginning and 559.9 MB in the end (delta: 45.1 MB). Free memory was 437.9 MB in the beginning and 527.4 MB in the end (delta: -89.6 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:26,013 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.44 ms. Allocated memory is still 559.9 MB. Free memory was 527.4 MB in the beginning and 526.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:26,014 INFO L168 Benchmark]: Boogie Preprocessor took 19.39 ms. Allocated memory is still 559.9 MB. Free memory was 526.1 MB in the beginning and 524.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:26,014 INFO L168 Benchmark]: RCFGBuilder took 231.23 ms. Allocated memory is still 559.9 MB. Free memory was 524.7 MB in the beginning and 512.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:26,015 INFO L168 Benchmark]: BlockEncodingV2 took 73.50 ms. Allocated memory is still 559.9 MB. Free memory was 512.5 MB in the beginning and 506.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:26,015 INFO L168 Benchmark]: TraceAbstraction took 146.52 ms. Allocated memory is still 559.9 MB. Free memory was 505.9 MB in the beginning and 497.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:26,016 INFO L168 Benchmark]: BuchiAutomizer took 2540.88 ms. Allocated memory was 559.9 MB in the beginning and 587.7 MB in the end (delta: 27.8 MB). Free memory was 497.1 MB in the beginning and 430.6 MB in the end (delta: 66.5 MB). Peak memory consumption was 94.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:26,020 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 8 edges - StatisticsResult: Encoded RCFG 2 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 458.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 280.80 ms. Allocated memory was 514.9 MB in the beginning and 559.9 MB in the end (delta: 45.1 MB). Free memory was 437.9 MB in the beginning and 527.4 MB in the end (delta: -89.6 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.44 ms. Allocated memory is still 559.9 MB. Free memory was 527.4 MB in the beginning and 526.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.39 ms. Allocated memory is still 559.9 MB. Free memory was 526.1 MB in the beginning and 524.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 231.23 ms. Allocated memory is still 559.9 MB. Free memory was 524.7 MB in the beginning and 512.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 73.50 ms. Allocated memory is still 559.9 MB. Free memory was 512.5 MB in the beginning and 506.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 50.3 GB. * TraceAbstraction took 146.52 ms. Allocated memory is still 559.9 MB. Free memory was 505.9 MB in the beginning and 497.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 2540.88 ms. Allocated memory was 559.9 MB in the beginning and 587.7 MB in the end (delta: 27.8 MB). Free memory was 497.1 MB in the beginning and 430.6 MB in the end (delta: 66.5 MB). Peak memory consumption was 94.3 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: 7]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2 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=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function flag and consists of 3 locations. One nondeterministic module has affine ranking function flag and consists of 3 locations. One nondeterministic module has affine ranking function y + -1 * x and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 24 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 15 SDslu, 0 SDs, 0 SdLazy, 44 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI1 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp52 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 12:25:19.428 ----------------------------------------------- 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/sandbox/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/sandbox/tmp/BenchExec_run_AadsFO/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:25:26.654 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check