/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 11:48:38,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 11:48:38,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 11:48:38,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 11:48:38,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 11:48:38,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 11:48:38,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 11:48:38,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 11:48:38,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 11:48:38,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 11:48:38,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 11:48:38,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 11:48:38,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 11:48:38,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 11:48:38,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 11:48:38,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 11:48:38,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 11:48:38,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 11:48:38,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 11:48:38,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 11:48:38,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 11:48:38,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 11:48:38,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 11:48:38,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 11:48:38,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 11:48:38,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 11:48:38,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 11:48:38,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 11:48:38,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 11:48:38,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 11:48:38,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 11:48:38,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 11:48:38,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 11:48:38,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 11:48:38,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 11:48:38,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 11:48:38,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 11:48:38,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 11:48:38,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 11:48:38,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 11:48:38,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 11:48:38,182 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 11:48:38,196 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 11:48:38,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 11:48:38,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 11:48:38,198 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 11:48:38,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 11:48:38,198 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:48:38,198 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 11:48:38,198 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 11:48:38,198 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 11:48:38,199 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 11:48:38,199 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 11:48:38,199 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 11:48:38,199 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 11:48:38,199 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 11:48:38,199 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:48:38,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 11:48:38,200 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 11:48:38,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 11:48:38,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 11:48:38,200 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 11:48:38,200 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 11:48:38,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 11:48:38,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 11:48:38,201 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 11:48:38,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:48:38,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 11:48:38,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 11:48:38,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 11:48:38,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 11:48:38,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 11:48:38,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 11:48:38,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 11:48:38,386 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 11:48:38,386 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 11:48:38,387 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 11:48:38,452 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_3xpKd2/tmp/13d4928f36ec47a095a02bfce1c093ec/FLAG8f5265568 [2020-07-01 11:48:38,795 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 11:48:38,796 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 11:48:38,803 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_3xpKd2/tmp/13d4928f36ec47a095a02bfce1c093ec/FLAG8f5265568 [2020-07-01 11:48:39,191 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_3xpKd2/tmp/13d4928f36ec47a095a02bfce1c093ec [2020-07-01 11:48:39,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 11:48:39,204 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 11:48:39,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 11:48:39,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 11:48:39,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 11:48:39,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:48:39" (1/1) ... [2020-07-01 11:48:39,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44214e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39, skipping insertion in model container [2020-07-01 11:48:39,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:48:39" (1/1) ... [2020-07-01 11:48:39,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 11:48:39,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 11:48:39,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:48:39,463 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 11:48:39,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:48:39,493 INFO L208 MainTranslator]: Completed translation [2020-07-01 11:48:39,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39 WrapperNode [2020-07-01 11:48:39,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 11:48:39,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 11:48:39,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 11:48:39,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 11:48:39,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39" (1/1) ... [2020-07-01 11:48:39,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39" (1/1) ... [2020-07-01 11:48:39,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 11:48:39,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 11:48:39,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 11:48:39,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 11:48:39,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39" (1/1) ... [2020-07-01 11:48:39,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39" (1/1) ... [2020-07-01 11:48:39,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39" (1/1) ... [2020-07-01 11:48:39,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39" (1/1) ... [2020-07-01 11:48:39,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39" (1/1) ... [2020-07-01 11:48:39,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39" (1/1) ... [2020-07-01 11:48:39,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39" (1/1) ... [2020-07-01 11:48:39,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 11:48:39,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 11:48:39,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 11:48:39,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 11:48:39,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39" (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 11:48:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2020-07-01 11:48:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2020-07-01 11:48:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 11:48:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 11:48:39,786 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 11:48:39,787 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-07-01 11:48:39,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:48:39 BoogieIcfgContainer [2020-07-01 11:48:39,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 11:48:39,791 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 11:48:39,791 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 11:48:39,794 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 11:48:39,794 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:48:39" (1/1) ... [2020-07-01 11:48:39,808 INFO L313 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2020-07-01 11:48:39,810 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 11:48:39,810 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 11:48:39,811 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 11:48:39,811 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:48:39,813 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 11:48:39,814 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 11:48:39,814 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 11:48:39,829 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 11:48:39,837 INFO L200 BlockEncoder]: SBE split 0 edges [2020-07-01 11:48:39,842 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:48:39,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:48:39,852 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 11:48:39,854 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states [2020-07-01 11:48:39,856 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:48:39,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:48:39,856 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 11:48:39,857 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:48:39,857 INFO L313 BlockEncoder]: Encoded RCFG 13 locations, 17 edges [2020-07-01 11:48:39,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:48:39 BasicIcfg [2020-07-01 11:48:39,858 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 11:48:39,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 11:48:39,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 11:48:39,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 11:48:39,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 11:48:39" (1/4) ... [2020-07-01 11:48:39,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495d520f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:48:39, skipping insertion in model container [2020-07-01 11:48:39,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39" (2/4) ... [2020-07-01 11:48:39,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495d520f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:48:39, skipping insertion in model container [2020-07-01 11:48:39,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:48:39" (3/4) ... [2020-07-01 11:48:39,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495d520f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:48:39, skipping insertion in model container [2020-07-01 11:48:39,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:48:39" (4/4) ... [2020-07-01 11:48:39,866 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:48:39,877 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 11:48:39,883 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 11:48:39,897 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 11:48:39,920 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 11:48:39,920 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 11:48:39,920 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:48:39,920 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:48:39,920 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:48:39,921 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 11:48:39,921 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:48:39,921 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 11:48:39,938 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-07-01 11:48:39,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 11:48:39,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-07-01 11:48:40,014 INFO L268 CegarLoopResult]: For program point L32(lines 32 35) no Hoare annotation was computed. [2020-07-01 11:48:40,014 INFO L271 CegarLoopResult]: At program point L43(line 43) the Hoare annotation is: true [2020-07-01 11:48:40,015 INFO L271 CegarLoopResult]: At program point loopENTRY(lines 38 45) the Hoare annotation is: true [2020-07-01 11:48:40,015 INFO L268 CegarLoopResult]: For program point L39(lines 39 44) no Hoare annotation was computed. [2020-07-01 11:48:40,015 INFO L268 CegarLoopResult]: For program point L39-1(lines 38 45) no Hoare annotation was computed. [2020-07-01 11:48:40,015 INFO L268 CegarLoopResult]: For program point loopEXIT(lines 38 45) no Hoare annotation was computed. [2020-07-01 11:48:40,015 INFO L271 CegarLoopResult]: At program point L35(lines 30 36) the Hoare annotation is: true [2020-07-01 11:48:40,015 INFO L268 CegarLoopResult]: For program point L32(lines 32 35) no Hoare annotation was computed. [2020-07-01 11:48:40,016 INFO L268 CegarLoopResult]: For program point L32-1(lines 32 35) no Hoare annotation was computed. [2020-07-01 11:48:40,016 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 11:48:40,016 INFO L271 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: true [2020-07-01 11:48:40,016 INFO L271 CegarLoopResult]: At program point L35(lines 30 36) the Hoare annotation is: true [2020-07-01 11:48:40,016 INFO L271 CegarLoopResult]: At program point L35-1(lines 30 36) the Hoare annotation is: true [2020-07-01 11:48:40,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:48:40 BasicIcfg [2020-07-01 11:48:40,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 11:48:40,028 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 11:48:40,029 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 11:48:40,032 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 11:48:40,033 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:48:40,033 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 11:48:39" (1/5) ... [2020-07-01 11:48:40,033 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@472073e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:48:40, skipping insertion in model container [2020-07-01 11:48:40,034 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:48:40,034 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:48:39" (2/5) ... [2020-07-01 11:48:40,034 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@472073e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:48:40, skipping insertion in model container [2020-07-01 11:48:40,034 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:48:40,034 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:48:39" (3/5) ... [2020-07-01 11:48:40,035 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@472073e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:48:40, skipping insertion in model container [2020-07-01 11:48:40,035 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:48:40,035 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:48:39" (4/5) ... [2020-07-01 11:48:40,035 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@472073e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:48:40, skipping insertion in model container [2020-07-01 11:48:40,035 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:48:40,036 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:48:40" (5/5) ... [2020-07-01 11:48:40,037 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:48:40,064 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 11:48:40,064 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 11:48:40,064 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:48:40,065 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:48:40,065 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:48:40,065 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 11:48:40,065 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:48:40,065 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 11:48:40,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-07-01 11:48:40,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 11:48:40,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:48:40,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:48:40,097 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-01 11:48:40,097 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-07-01 11:48:40,097 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 11:48:40,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-07-01 11:48:40,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 11:48:40,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:48:40,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:48:40,100 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-01 11:48:40,100 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-07-01 11:48:40,105 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue [48] ULTIMATE.startENTRY-->L32: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_1|, ULTIMATE.start_random_#t~nondet5=|v_ULTIMATE.start_random_#t~nondet5_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_2|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_random_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_random_~x~1, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_random_#res, ULTIMATE.start_main_#t~ret4] 9#L32true [62] L32-->L35: Formula: (and (>= v_ULTIMATE.start_random_~x~1_4 0) (= |v_ULTIMATE.start_random_#res_3| v_ULTIMATE.start_random_~x~1_4)) InVars {ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_4} OutVars{ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_4, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_3|} AuxVars[] AssignedVars[ULTIMATE.start_random_#res] 14#L35true [55] L35-->L32-1: Formula: (= |v_ULTIMATE.start_main_#t~ret3_4| |v_ULTIMATE.start_random_#res_5|) InVars {ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_5|} OutVars{ULTIMATE.start_random_#t~nondet5=|v_ULTIMATE.start_random_#t~nondet5_3|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_4|, ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_5, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_4|} AuxVars[] AssignedVars[ULTIMATE.start_random_#t~nondet5, ULTIMATE.start_random_~x~1, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_random_#res] 7#L32-1true [63] L32-1-->L35-1: Formula: (and (>= v_ULTIMATE.start_random_~x~1_8 0) (= |v_ULTIMATE.start_random_#res_7| v_ULTIMATE.start_random_~x~1_8)) InVars {ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_8} OutVars{ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_8, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_7|} AuxVars[] AssignedVars[ULTIMATE.start_random_#res] 13#L35-1true [54] L35-1-->L26: Formula: (= |v_ULTIMATE.start_main_#t~ret4_4| |v_ULTIMATE.start_random_#res_8|) InVars {ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_8|} OutVars{ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_4|, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret4] 3#L26true [41] L26-->loopENTRY: Formula: (and (= |v_loop_#in~aInParam_2| |v_ULTIMATE.start_main_#t~ret3_5|) (= |v_loop_#in~bInParam_2| |v_ULTIMATE.start_main_#t~ret4_5|)) InVars {ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_5|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} OutVars{loop_#in~b=|v_loop_#in~bInParam_2|, loop_#in~a=|v_loop_#in~aInParam_2|} AuxVars[] AssignedVars[loop_#in~b, loop_#in~a]< 4#loopENTRYtrue [2020-07-01 11:48:40,106 INFO L796 eck$LassoCheckResult]: Loop: 4#loopENTRYtrue [42] loopENTRY-->L39: Formula: (and (= v_loop_~b_1 |v_loop_#in~b_1|) (= v_loop_~a_1 |v_loop_#in~a_1|)) InVars {loop_#in~b=|v_loop_#in~b_1|, loop_#in~a=|v_loop_#in~a_1|} OutVars{loop_#in~b=|v_loop_#in~b_1|, loop_#in~a=|v_loop_#in~a_1|, loop_~b=v_loop_~b_1, loop_~a=v_loop_~a_1} AuxVars[] AssignedVars[loop_~b, loop_~a] 15#L39true [58] L39-->L32: Formula: (< 0 v_loop_~b_2) InVars {loop_~b=v_loop_~b_2} OutVars{loop_random_#t~nondet5=|v_loop_random_#t~nondet5_1|, loop_random_~x~1=v_loop_random_~x~1_1, loop_random_#res=|v_loop_random_#res_1|, loop_~b=v_loop_~b_2} AuxVars[] AssignedVars[loop_random_~x~1, loop_random_#t~nondet5, loop_random_#res] 5#L32true [65] L32-->L35: Formula: (and (= |v_loop_random_#res_3| v_loop_random_~x~1_4) (>= v_loop_random_~x~1_4 0)) InVars {loop_random_~x~1=v_loop_random_~x~1_4} OutVars{loop_random_~x~1=v_loop_random_~x~1_4, loop_random_#res=|v_loop_random_#res_3|} AuxVars[] AssignedVars[loop_random_#res] 10#L35true [51] L35-->L43: Formula: (let ((.cse0 (+ v_loop_~a_3 (* v_loop_~r~0_1 (- 1)) (- 1)))) (and (= v_loop_~b_3 .cse0) (= v_loop_~a_2 .cse0) (= v_loop_~r~0_1 |v_loop_random_#res_4|))) InVars {loop_random_#res=|v_loop_random_#res_4|, loop_~a=v_loop_~a_3} OutVars{loop_~r~0=v_loop_~r~0_1, loop_random_#res=|v_loop_random_#res_4|, loop_~b=v_loop_~b_3, loop_#t~ret6=|v_loop_#t~ret6_1|, loop_~a=v_loop_~a_2} AuxVars[] AssignedVars[loop_~r~0, loop_#t~ret6, loop_~b, loop_~a] 6#L43true [45] L43-->loopENTRY: Formula: (and (= |v_loop_#in~aInParam_1| v_loop_~a_5) (= |v_loop_#in~bInParam_1| v_loop_~b_6)) InVars {loop_~b=v_loop_~b_6, loop_~a=v_loop_~a_5} OutVars{loop_#in~b=|v_loop_#in~bInParam_1|, loop_#in~a=|v_loop_#in~aInParam_1|} AuxVars[] AssignedVars[loop_#in~b, loop_#in~a]< 4#loopENTRYtrue [2020-07-01 11:48:40,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:48:40,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1974305302, now seen corresponding path program 1 times [2020-07-01 11:48:40,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:48:40,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874497119] [2020-07-01 11:48:40,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:48:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:48:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:48:40,202 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:48:40,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:48:40,203 INFO L82 PathProgramCache]: Analyzing trace with hash 69209002, now seen corresponding path program 1 times [2020-07-01 11:48:40,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:48:40,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183829300] [2020-07-01 11:48:40,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:48:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:48:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:48:40,226 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:48:40,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:48:40,228 INFO L82 PathProgramCache]: Analyzing trace with hash -127084703, now seen corresponding path program 1 times [2020-07-01 11:48:40,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:48:40,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376165134] [2020-07-01 11:48:40,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:48:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:48:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:48:40,263 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:48:40,401 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:48:40,402 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:48:40,402 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:48:40,402 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:48:40,402 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:48:40,402 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:48:40,402 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:48:40,403 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:48:40,403 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 11:48:40,403 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:48:40,403 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:48:40,419 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 11:48:40,427 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 11:48:40,430 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 11:48:40,441 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 11:48:40,445 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 11:48:40,448 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 11:48:40,451 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 11:48:40,454 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 11:48:40,533 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:48:40,534 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 11:48:40,541 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:48:40,541 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:48:40,550 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:48:40,551 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {loop_random_#t~nondet5=0} Honda state: {loop_random_#t~nondet5=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 11:48:40,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:48:40,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:48:40,589 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:48:40,589 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {loop_#t~ret6=0} Honda state: {loop_#t~ret6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 11:48:40,621 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:48:40,621 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 11:48:40,657 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:48:40,658 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:48:40,821 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 11:48:40,824 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:48:40,824 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:48:40,824 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:48:40,824 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:48:40,824 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 11:48:40,825 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:48:40,825 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:48:40,825 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:48:40,825 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 11:48:40,825 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:48:40,825 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:48:40,827 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 11:48:40,830 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 11:48:40,832 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 11:48:40,841 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 11:48:40,844 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 11:48:40,847 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 11:48:40,855 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 11:48:40,858 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 11:48:40,917 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:48:40,923 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/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 11:48:40,928 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 11:48:40,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:48:40,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:48:40,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:48:40,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:48:40,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:48:40,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:48:40,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:48:40,938 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 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 11:48:40,970 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 11:48:40,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:48:40,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:48:40,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:48:40,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:48:40,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:48:40,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:48:40,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:48:40,976 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 11:48:41,008 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 11:48:41,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:48:41,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:48:41,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:48:41,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:48:41,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:48:41,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:48:41,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:48:41,022 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 11:48:41,054 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 11:48:41,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:48:41,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:48:41,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:48:41,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:48:41,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:48:41,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:48:41,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:48:41,060 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 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 11:48:41,092 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 11:48:41,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:48:41,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:48:41,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:48:41,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:48:41,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:48:41,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:48:41,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:48:41,097 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:48:41,130 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 11:48:41,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:48:41,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:48:41,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:48:41,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:48:41,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:48:41,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:48:41,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:48:41,136 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:48:41,168 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 11:48:41,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:48:41,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:48:41,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:48:41,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:48:41,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:48:41,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:48:41,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:48:41,174 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 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:48:41,206 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 11:48:41,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:48:41,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:48:41,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:48:41,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:48:41,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:48:41,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:48:41,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:48:41,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:48:41,242 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 11:48:41,246 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 11:48:41,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:48:41,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:48:41,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:48:41,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:48:41,249 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:48:41,250 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:48:41,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:48:41,252 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 11:48:41,285 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 11:48:41,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:48:41,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:48:41,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:48:41,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:48:41,288 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:48:41,289 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:48:41,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:48:41,291 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 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 11:48:41,324 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 11:48:41,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:48:41,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:48:41,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:48:41,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:48:41,327 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:48:41,330 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:48:41,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:48:41,336 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 11:48:41,345 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-07-01 11:48:41,345 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:48:41,355 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 11:48:41,355 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 11:48:41,356 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 11:48:41,357 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*loop_#in~a f1 = 1*loop_#in~b Supporting invariants [] [2020-07-01 11:48:41,392 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 11:48:41,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:48:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:48:41,457 INFO L264 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 11:48:41,459 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:48:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:48:41,486 INFO L264 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2020-07-01 11:48:41,487 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:48:41,498 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-01 11:48:41,504 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 11:48:41,505 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 11:48:41,507 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 11:48:41,533 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-01 11:48:41,606 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 11:48:41,609 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-01 11:48:41,653 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 11:48:42,235 INFO L98 LoopCannibalizer]: 21 predicates before loop cannibalization 21 predicates after loop cannibalization [2020-07-01 11:48:42,240 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 21 loop predicates [2020-07-01 11:48:42,241 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 13 states. Second operand 6 states. [2020-07-01 11:48:42,872 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 13 states.. Second operand 6 states. Result 48 states and 58 transitions. Complement of second has 27 states. [2020-07-01 11:48:42,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2020-07-01 11:48:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-01 11:48:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 31 transitions. [2020-07-01 11:48:42,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 31 transitions. Stem has 6 letters. Loop has 5 letters. [2020-07-01 11:48:42,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:48:42,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 31 transitions. Stem has 11 letters. Loop has 5 letters. [2020-07-01 11:48:42,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:48:42,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 31 transitions. Stem has 6 letters. Loop has 10 letters. [2020-07-01 11:48:42,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:48:42,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 58 transitions. [2020-07-01 11:48:42,896 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 11:48:42,899 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 0 states and 0 transitions. [2020-07-01 11:48:42,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-01 11:48:42,900 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-01 11:48:42,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-01 11:48:42,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 11:48:42,901 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 11:48:42,901 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 11:48:42,902 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 11:48:42,902 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 11:48:42,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-01 11:48:42,902 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 11:48:42,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 11:48:42,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:48:42 BasicIcfg [2020-07-01 11:48:42,908 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 11:48:42,910 INFO L168 Benchmark]: Toolchain (without parser) took 3705.72 ms. Allocated memory was 649.6 MB in the beginning and 755.0 MB in the end (delta: 105.4 MB). Free memory was 562.8 MB in the beginning and 568.2 MB in the end (delta: -5.4 MB). Peak memory consumption was 100.0 MB. Max. memory is 50.3 GB. [2020-07-01 11:48:42,911 INFO L168 Benchmark]: CDTParser took 0.16 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 11:48:42,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.01 ms. Allocated memory was 649.6 MB in the beginning and 683.1 MB in the end (delta: 33.6 MB). Free memory was 562.8 MB in the beginning and 645.9 MB in the end (delta: -83.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:48:42,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.72 ms. Allocated memory is still 683.1 MB. Free memory was 645.9 MB in the beginning and 644.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 11:48:42,913 INFO L168 Benchmark]: Boogie Preprocessor took 17.88 ms. Allocated memory is still 683.1 MB. Free memory was 644.8 MB in the beginning and 642.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-07-01 11:48:42,913 INFO L168 Benchmark]: RCFGBuilder took 242.54 ms. Allocated memory is still 683.1 MB. Free memory was 642.7 MB in the beginning and 627.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 50.3 GB. [2020-07-01 11:48:42,914 INFO L168 Benchmark]: BlockEncodingV2 took 66.39 ms. Allocated memory is still 683.1 MB. Free memory was 627.1 MB in the beginning and 621.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:48:42,914 INFO L168 Benchmark]: TraceAbstraction took 169.02 ms. Allocated memory is still 683.1 MB. Free memory was 620.6 MB in the beginning and 610.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. [2020-07-01 11:48:42,915 INFO L168 Benchmark]: BuchiAutomizer took 2879.33 ms. Allocated memory was 683.1 MB in the beginning and 755.0 MB in the end (delta: 71.8 MB). Free memory was 609.8 MB in the beginning and 568.2 MB in the end (delta: 41.5 MB). Peak memory consumption was 113.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:48:42,919 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 17 locations, 21 edges - StatisticsResult: Encoded RCFG 13 locations, 17 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 289.01 ms. Allocated memory was 649.6 MB in the beginning and 683.1 MB in the end (delta: 33.6 MB). Free memory was 562.8 MB in the beginning and 645.9 MB in the end (delta: -83.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.72 ms. Allocated memory is still 683.1 MB. Free memory was 645.9 MB in the beginning and 644.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.88 ms. Allocated memory is still 683.1 MB. Free memory was 644.8 MB in the beginning and 642.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * RCFGBuilder took 242.54 ms. Allocated memory is still 683.1 MB. Free memory was 642.7 MB in the beginning and 627.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 66.39 ms. Allocated memory is still 683.1 MB. Free memory was 627.1 MB in the beginning and 621.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 169.02 ms. Allocated memory is still 683.1 MB. Free memory was 620.6 MB in the beginning and 610.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 2879.33 ms. Allocated memory was 683.1 MB in the beginning and 755.0 MB in the end (delta: 71.8 MB). Free memory was 609.8 MB in the beginning and 568.2 MB in the end (delta: 41.5 MB). Peak memory consumption was 113.4 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: 30]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 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=13occurred 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, 6 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 6 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 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). One nondeterministic module has 2-nested ranking function (if \old(a) > 0 then 1 else 0), (if \old(a) > 0 then \old(a) else \old(b)) and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18 SDtfs, 93 SDslu, 39 SDs, 0 SdLazy, 67 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq130 hnf94 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 11:48:35.876 ----------------------------------------------- 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_3xpKd2/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 11:48:43.152 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check