/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- NO Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 10:38:55,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:38:55,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:38:55,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:38:55,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:38:55,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:38:55,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:38:55,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:38:55,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:38:55,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:38:55,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:38:55,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:38:55,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:38:55,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:38:55,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:38:55,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:38:55,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:38:55,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:38:55,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:38:55,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:38:55,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:38:55,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:38:55,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:38:55,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:38:55,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:38:55,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:38:55,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:38:55,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:38:55,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:38:55,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:38:55,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:38:55,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:38:55,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:38:55,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:38:55,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:38:55,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:38:55,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:38:55,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:38:55,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:38:55,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:38:55,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:38:55,604 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 10:38:55,618 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:38:55,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:38:55,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:38:55,620 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:38:55,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:38:55,620 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:38:55,621 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:38:55,621 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:38:55,621 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:38:55,621 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:38:55,621 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:38:55,622 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:38:55,622 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:38:55,622 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:38:55,622 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:55,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:38:55,622 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:38:55,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:38:55,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:38:55,623 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:38:55,623 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:38:55,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:38:55,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:38:55,624 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:38:55,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:38:55,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:38:55,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:38:55,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:38:55,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:38:55,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:38:55,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:38:55,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:38:55,813 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:38:55,814 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:38:55,815 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:38:55,878 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_7U9aOb/tmp/099e4c00f4cc4c148fd605680b583344/FLAGcb7546e6e [2020-07-01 10:38:56,240 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:38:56,240 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:38:56,247 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_7U9aOb/tmp/099e4c00f4cc4c148fd605680b583344/FLAGcb7546e6e [2020-07-01 10:38:56,624 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_7U9aOb/tmp/099e4c00f4cc4c148fd605680b583344 [2020-07-01 10:38:56,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:38:56,637 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:38:56,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:38:56,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:38:56,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:38:56,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:38:56" (1/1) ... [2020-07-01 10:38:56,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40adb0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56, skipping insertion in model container [2020-07-01 10:38:56,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:38:56" (1/1) ... [2020-07-01 10:38:56,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:38:56,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:38:56,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:38:56,888 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:38:56,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:38:56,917 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:38:56,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56 WrapperNode [2020-07-01 10:38:56,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:38:56,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:38:56,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:38:56,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:38:56,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56" (1/1) ... [2020-07-01 10:38:56,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56" (1/1) ... [2020-07-01 10:38:56,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:38:56,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:38:56,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:38:56,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:38:56,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56" (1/1) ... [2020-07-01 10:38:56,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56" (1/1) ... [2020-07-01 10:38:56,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56" (1/1) ... [2020-07-01 10:38:56,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56" (1/1) ... [2020-07-01 10:38:56,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56" (1/1) ... [2020-07-01 10:38:56,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56" (1/1) ... [2020-07-01 10:38:56,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56" (1/1) ... [2020-07-01 10:38:56,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:38:56,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:38:56,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:38:56,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:38:56,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:38:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:38:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:38:57,177 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:38:57,178 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 10:38:57,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:38:57 BoogieIcfgContainer [2020-07-01 10:38:57,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:38:57,182 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:38:57,182 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:38:57,184 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:38:57,185 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:38:57" (1/1) ... [2020-07-01 10:38:57,198 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-07-01 10:38:57,199 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:38:57,200 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:38:57,200 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:38:57,201 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:38:57,202 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:38:57,203 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:38:57,203 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:38:57,217 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:38:57,231 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 10:38:57,235 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 10:38:57,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:38:57,248 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 10:38:57,250 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-07-01 10:38:57,252 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:38:57,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:38:57,258 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 10:38:57,258 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:38:57,258 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:38:57,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:38:57,259 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:38:57,259 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:38:57,259 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 3 edges [2020-07-01 10:38:57,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:38:57 BasicIcfg [2020-07-01 10:38:57,260 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:38:57,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:38:57,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:38:57,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:38:57,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:38:56" (1/4) ... [2020-07-01 10:38:57,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4a5487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:38:57, skipping insertion in model container [2020-07-01 10:38:57,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56" (2/4) ... [2020-07-01 10:38:57,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4a5487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:38:57, skipping insertion in model container [2020-07-01 10:38:57,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:38:57" (3/4) ... [2020-07-01 10:38:57,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4a5487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:38:57, skipping insertion in model container [2020-07-01 10:38:57,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:38:57" (4/4) ... [2020-07-01 10:38:57,269 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:38:57,279 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:38:57,286 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:38:57,300 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:38:57,323 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:38:57,323 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:38:57,323 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:38:57,324 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:38:57,324 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:38:57,324 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:38:57,324 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:38:57,324 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:38:57,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-07-01 10:38:57,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:38:57,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-07-01 10:38:57,398 INFO L271 CegarLoopResult]: At program point L16-2(lines 16 18) the Hoare annotation is: true [2020-07-01 10:38:57,398 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:38:57,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:38:57 BasicIcfg [2020-07-01 10:38:57,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:38:57,407 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:38:57,407 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:38:57,410 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:38:57,411 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:57,412 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:38:56" (1/5) ... [2020-07-01 10:38:57,412 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d81b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:38:57, skipping insertion in model container [2020-07-01 10:38:57,412 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:57,413 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:56" (2/5) ... [2020-07-01 10:38:57,413 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d81b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:38:57, skipping insertion in model container [2020-07-01 10:38:57,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:57,413 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:38:57" (3/5) ... [2020-07-01 10:38:57,414 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d81b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:38:57, skipping insertion in model container [2020-07-01 10:38:57,414 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:57,414 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:38:57" (4/5) ... [2020-07-01 10:38:57,414 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d81b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:38:57, skipping insertion in model container [2020-07-01 10:38:57,414 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:57,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:38:57" (5/5) ... [2020-07-01 10:38:57,416 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:38:57,444 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:38:57,444 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:38:57,444 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:38:57,444 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:38:57,444 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:38:57,444 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:38:57,445 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:38:57,445 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:38:57,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 10:38:57,464 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 10:38:57,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:38:57,465 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:38:57,470 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:38:57,470 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 10:38:57,470 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:38:57,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 10:38:57,471 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 10:38:57,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:38:57,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:38:57,471 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:38:57,472 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 10:38:57,476 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [39] ULTIMATE.startENTRY-->L16-2: Formula: (< |v_ULTIMATE.start_main_#t~nondet1_7| v_ULTIMATE.start_main_~x~0_11) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_7|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 4#L16-2true [2020-07-01 10:38:57,477 INFO L796 eck$LassoCheckResult]: Loop: 4#L16-2true [35] L16-2-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (- 1))) (< 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L16-2true [2020-07-01 10:38:57,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:38:57,483 INFO L82 PathProgramCache]: Analyzing trace with hash 70, now seen corresponding path program 1 times [2020-07-01 10:38:57,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:38:57,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546787431] [2020-07-01 10:38:57,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:38:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:57,565 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:38:57,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:38:57,567 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times [2020-07-01 10:38:57,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:38:57,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956565188] [2020-07-01 10:38:57,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:38:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:57,576 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:38:57,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:38:57,578 INFO L82 PathProgramCache]: Analyzing trace with hash 2205, now seen corresponding path program 1 times [2020-07-01 10:38:57,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:38:57,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076301686] [2020-07-01 10:38:57,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:38:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:57,588 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:38:57,633 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 10:38:57,634 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 10:38:57,634 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 10:38:57,635 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 10:38:57,635 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 10:38:57,635 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:57,635 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 10:38:57,635 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 10:38:57,636 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 10:38:57,636 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 10:38:57,636 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 10:38:57,657 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 10:38:57,668 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 10:38:57,672 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 10:38:57,754 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 10:38:57,754 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:57,763 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:38:57,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:38:57,774 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:38:57,774 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:57,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:38:57,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:38:57,813 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:38:57,813 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:57,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:38:57,846 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:57,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 10:38:57,883 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:38:57,922 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 10:38:57,924 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 10:38:57,924 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 10:38:57,924 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 10:38:57,924 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 10:38:57,924 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 10:38:57,924 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 10:38:57,925 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 10:38:57,925 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 10:38:57,925 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 10:38:57,925 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 10:38:57,925 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 10:38:57,928 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 10:38:57,933 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 10:38:57,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 10:38:58,023 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 10:38:58,029 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 10:38:58,033 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 10:38:58,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:38:58,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:38:58,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:38:58,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 10:38:58,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 10:38:58,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 10:38:58,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 10:38:58,084 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 10:38:58,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:38:58,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:38:58,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:38:58,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 10:38:58,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 10:38:58,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 10:38:58,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 10:38:58,131 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 10:38:58,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:38:58,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 10:38:58,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:38:58,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:38:58,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 10:38:58,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 10:38:58,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 10:38:58,139 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 10:38:58,144 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-01 10:38:58,145 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 10:38:58,150 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 10:38:58,151 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 10:38:58,151 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 10:38:58,152 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-07-01 10:38:58,186 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 10:38:58,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:38:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:38:58,218 WARN L262 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 10:38:58,219 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 10:38:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:38:58,230 WARN L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 10:38:58,230 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 10:38:58,231 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 10:38:58,243 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-07-01 10:38:58,249 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 10:38:58,250 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. [2020-07-01 10:38:58,281 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 6 states and 11 transitions. Complement of second has 4 states. [2020-07-01 10:38:58,282 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 10:38:58,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 10:38:58,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-07-01 10:38:58,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 1 letters. [2020-07-01 10:38:58,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 10:38:58,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 10:38:58,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 10:38:58,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-01 10:38:58,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 10:38:58,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 11 transitions. [2020-07-01 10:38:58,295 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 10:38:58,299 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 11 transitions. [2020-07-01 10:38:58,300 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-07-01 10:38:58,300 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-07-01 10:38:58,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 11 transitions. [2020-07-01 10:38:58,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 10:38:58,301 INFO L688 BuchiCegarLoop]: Abstraction has 6 states and 11 transitions. [2020-07-01 10:38:58,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 11 transitions. [2020-07-01 10:38:58,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. [2020-07-01 10:38:58,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-01 10:38:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2020-07-01 10:38:58,329 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 10 transitions. [2020-07-01 10:38:58,329 INFO L591 BuchiCegarLoop]: Abstraction has 5 states and 10 transitions. [2020-07-01 10:38:58,329 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 10:38:58,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 10 transitions. [2020-07-01 10:38:58,330 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 10:38:58,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:38:58,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:38:58,330 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 10:38:58,330 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 10:38:58,331 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY [39] ULTIMATE.startENTRY-->L16-2: Formula: (< |v_ULTIMATE.start_main_#t~nondet1_7| v_ULTIMATE.start_main_~x~0_11) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_7|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 37#L16-2 [36] L16-2-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (- 1))) (> 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 38#L16-2 [2020-07-01 10:38:58,331 INFO L796 eck$LassoCheckResult]: Loop: 38#L16-2 [36] L16-2-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (- 1))) (> 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 38#L16-2 [2020-07-01 10:38:58,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:38:58,331 INFO L82 PathProgramCache]: Analyzing trace with hash 2206, now seen corresponding path program 1 times [2020-07-01 10:38:58,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:38:58,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155336024] [2020-07-01 10:38:58,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:38:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:58,341 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:38:58,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:38:58,342 INFO L82 PathProgramCache]: Analyzing trace with hash 67, now seen corresponding path program 1 times [2020-07-01 10:38:58,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:38:58,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026625063] [2020-07-01 10:38:58,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:38:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:58,349 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:38:58,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:38:58,349 INFO L82 PathProgramCache]: Analyzing trace with hash 68422, now seen corresponding path program 2 times [2020-07-01 10:38:58,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:38:58,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794185626] [2020-07-01 10:38:58,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:38:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:58,362 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:38:58,373 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 10:38:58,374 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 10:38:58,374 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 10:38:58,374 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 10:38:58,374 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 10:38:58,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:58,374 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 10:38:58,374 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 10:38:58,374 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 10:38:58,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 10:38:58,375 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 10:38:58,376 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 10:38:58,380 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 10:38:58,386 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 10:38:58,432 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 10:38:58,432 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:58,457 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:38:58,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:38:58,463 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:38:58,464 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 10:38:58,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:38:58,501 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:58,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 10:38:58,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:38:58,560 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:38:58,561 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-1}] Lambdas: [12, 13, 1] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:58,596 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:38:58,596 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:38:58,601 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:38:58,601 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-07-01 10:38:58,654 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 10:38:58,654 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 10:38:58,654 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 10:38:58,654 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 10:38:58,654 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 10:38:58,654 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:58,654 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 10:38:58,655 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 10:38:58,655 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-07-01 10:38:58,655 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 10:38:58,655 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 10:38:58,657 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 10:38:58,660 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 10:38:58,663 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 10:38:58,666 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 10:38:58,669 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 10:38:58,671 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 10:38:58,740 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 10:38:58,740 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:58,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:38:58,745 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:38:58,749 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:38:58,749 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:58,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:38:58,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:38:58,792 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:38:58,792 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_4=0} Honda state: {v_rep~unnamed0~0~false_4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:58,827 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:38:58,827 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:38:58,831 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:38:58,831 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 10:38:58,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:38:58,866 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:38:58,871 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:38:58,871 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_4=1} Honda state: {v_rep~unnamed0~0~true_4=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:58,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:38:58,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:38:58,914 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:38:58,914 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 10:38:58,949 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:38:58,949 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:58,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 10:38:58,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:38:59,004 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:38:59,005 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=-3} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 14, 12] Nus: [0, 0] [2020-07-01 10:38:59,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 10:38:59,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 10:38:59,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 10:38:59,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 10:38:59,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 10:38:59,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 10:38:59,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:38:59 BasicIcfg [2020-07-01 10:38:59,062 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 10:38:59,065 INFO L168 Benchmark]: Toolchain (without parser) took 2427.42 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 562.7 MB in the beginning and 452.0 MB in the end (delta: 110.7 MB). Peak memory consumption was 142.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:59,066 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:38:59,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.70 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 562.7 MB in the beginning and 645.0 MB in the end (delta: -82.2 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:59,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.50 ms. Allocated memory is still 681.6 MB. Free memory was 645.0 MB in the beginning and 643.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:59,068 INFO L168 Benchmark]: Boogie Preprocessor took 18.90 ms. Allocated memory is still 681.6 MB. Free memory was 643.6 MB in the beginning and 642.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:59,069 INFO L168 Benchmark]: RCFGBuilder took 211.49 ms. Allocated memory is still 681.6 MB. Free memory was 642.2 MB in the beginning and 628.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:59,069 INFO L168 Benchmark]: BlockEncodingV2 took 78.18 ms. Allocated memory is still 681.6 MB. Free memory was 628.0 MB in the beginning and 621.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:59,070 INFO L168 Benchmark]: TraceAbstraction took 145.15 ms. Allocated memory is still 681.6 MB. Free memory was 621.5 MB in the beginning and 613.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:59,070 INFO L168 Benchmark]: BuchiAutomizer took 1655.35 ms. Allocated memory is still 681.6 MB. Free memory was 613.4 MB in the beginning and 452.0 MB in the end (delta: 161.4 MB). Peak memory consumption was 161.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:59,075 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 2 locations, 3 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 279.70 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 562.7 MB in the beginning and 645.0 MB in the end (delta: -82.2 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.50 ms. Allocated memory is still 681.6 MB. Free memory was 645.0 MB in the beginning and 643.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.90 ms. Allocated memory is still 681.6 MB. Free memory was 643.6 MB in the beginning and 642.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 50.3 GB. * RCFGBuilder took 211.49 ms. Allocated memory is still 681.6 MB. Free memory was 642.2 MB in the beginning and 628.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 78.18 ms. Allocated memory is still 681.6 MB. Free memory was 628.0 MB in the beginning and 621.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. * TraceAbstraction took 145.15 ms. Allocated memory is still 681.6 MB. Free memory was 621.5 MB in the beginning and 613.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1655.35 ms. Allocated memory is still 681.6 MB. Free memory was 613.4 MB in the beginning and 452.0 MB in the end (delta: 161.4 MB). Peak memory consumption was 161.4 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * 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: 16]: 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 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function x and consists of 3 locations. The remainder module has 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax213 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq155 hnf94 smp100 dnf100 smp100 tf110 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 16]: Nontermination argument in form of an infinite program execution. [2020-07-01 10:38:59,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 10:38:59,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 10:38:59,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 10:38:59,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 10:38:59,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 10:38:59,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 10:38:59,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 10:38:59,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 10:38:59,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 10:38:59,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 10:38:59,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 10:38:59,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e63cb98=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a6977db=0, ~unnamed0~0~false=0, x=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e63cb98=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a6977db=0, ~unnamed0~0~false=0, x=-3} For i>1, the state at position i is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e63cb98=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a6977db=0 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, x=-3 + sum_{k=0}^i -1} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 1GEVs Lambdas: [1, 14, 12] Mus: [0, 0] - NonterminatingLassoResult [Line: 16]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int x; [L14] x = __VERIFIER_nondet_int() [L15] COND TRUE x > __VERIFIER_nondet_int() [L16] COND TRUE x != 0 [L17] x = x - 1 Loop: [L16] COND TRUE x != 0 [L17] x = x - 1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-07-01 10:38:53.287 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp/BenchExec_run_7U9aOb/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:38:59.517 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check