/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:02:53,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:02:53,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:02:53,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:02:53,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:02:53,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:02:53,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:02:53,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:02:53,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:02:53,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:02:53,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:02:53,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:02:53,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:02:53,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:02:53,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:02:53,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:02:53,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:02:53,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:02:53,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:02:53,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:02:53,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:02:53,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:02:53,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:02:53,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:02:53,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:02:53,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:02:53,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:02:53,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:02:53,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:02:53,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:02:53,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:02:53,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:02:53,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:02:53,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:02:53,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:02:53,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:02:53,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:02:53,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:02:53,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:02:53,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:02:53,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:02:53,189 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 12:02:53,204 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:02:53,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:02:53,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:02:53,205 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:02:53,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:02:53,205 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:02:53,206 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:02:53,206 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:02:53,206 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:02:53,206 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:02:53,206 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:02:53,206 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:02:53,207 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:02:53,207 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:02:53,207 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:02:53,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:02:53,207 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:02:53,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:02:53,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:02:53,208 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:02:53,208 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:02:53,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:02:53,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:02:53,209 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:02:53,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:02:53,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:02:53,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:02:53,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:02:53,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:02:53,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:02:53,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:02:53,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:02:53,393 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:02:53,393 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:02:53,394 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:02:53,469 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_75yu2I/tmp/3b51e519578246f68594cf9f65f48f08/FLAG92e813045 [2020-07-01 12:02:53,802 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:02:53,803 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:02:53,810 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_75yu2I/tmp/3b51e519578246f68594cf9f65f48f08/FLAG92e813045 [2020-07-01 12:02:54,208 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_75yu2I/tmp/3b51e519578246f68594cf9f65f48f08 [2020-07-01 12:02:54,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:02:54,221 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:02:54,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:02:54,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:02:54,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:02:54,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:02:54" (1/1) ... [2020-07-01 12:02:54,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8ba7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54, skipping insertion in model container [2020-07-01 12:02:54,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:02:54" (1/1) ... [2020-07-01 12:02:54,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:02:54,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:02:54,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:02:54,489 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:02:54,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:02:54,520 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:02:54,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54 WrapperNode [2020-07-01 12:02:54,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:02:54,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:02:54,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:02:54,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:02:54,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54" (1/1) ... [2020-07-01 12:02:54,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54" (1/1) ... [2020-07-01 12:02:54,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:02:54,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:02:54,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:02:54,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:02:54,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54" (1/1) ... [2020-07-01 12:02:54,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54" (1/1) ... [2020-07-01 12:02:54,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54" (1/1) ... [2020-07-01 12:02:54,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54" (1/1) ... [2020-07-01 12:02:54,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54" (1/1) ... [2020-07-01 12:02:54,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54" (1/1) ... [2020-07-01 12:02:54,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54" (1/1) ... [2020-07-01 12:02:54,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:02:54,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:02:54,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:02:54,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:02:54,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:02:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:02:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:02:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2020-07-01 12:02:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2020-07-01 12:02:54,834 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:02:54,834 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-01 12:02:54,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:02:54 BoogieIcfgContainer [2020-07-01 12:02:54,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:02:54,839 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:02:54,839 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:02:54,842 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:02:54,843 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:02:54" (1/1) ... [2020-07-01 12:02:54,857 INFO L313 BlockEncoder]: Initial Icfg 18 locations, 24 edges [2020-07-01 12:02:54,859 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:02:54,859 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:02:54,860 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:02:54,860 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:02:54,862 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:02:54,863 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:02:54,863 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:02:54,877 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:02:54,891 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 12:02:54,895 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:02:54,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:02:54,905 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 12:02:54,907 INFO L70 RemoveSinkStates]: Removed 5 edges and 3 locations by removing sink states [2020-07-01 12:02:54,909 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:02:54,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:02:54,917 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 12:02:54,917 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:02:54,917 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:02:54,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:02:54,918 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:02:54,918 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:02:54,919 INFO L313 BlockEncoder]: Encoded RCFG 12 locations, 17 edges [2020-07-01 12:02:54,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:02:54 BasicIcfg [2020-07-01 12:02:54,919 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:02:54,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:02:54,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:02:54,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:02:54,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:02:54" (1/4) ... [2020-07-01 12:02:54,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f19950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:02:54, skipping insertion in model container [2020-07-01 12:02:54,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54" (2/4) ... [2020-07-01 12:02:54,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f19950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:02:54, skipping insertion in model container [2020-07-01 12:02:54,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:02:54" (3/4) ... [2020-07-01 12:02:54,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f19950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:02:54, skipping insertion in model container [2020-07-01 12:02:54,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:02:54" (4/4) ... [2020-07-01 12:02:54,929 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:02:54,940 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:02:54,950 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:02:54,964 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:02:54,987 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:02:54,987 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:02:54,987 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:02:54,987 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:02:54,988 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:02:54,988 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:02:54,988 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:02:54,988 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:02:55,005 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-01 12:02:55,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:02:55,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-07-01 12:02:55,080 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:02:55,081 INFO L271 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: true [2020-07-01 12:02:55,081 INFO L268 CegarLoopResult]: For program point L17(lines 17 19) no Hoare annotation was computed. [2020-07-01 12:02:55,081 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-07-01 12:02:55,081 INFO L271 CegarLoopResult]: At program point additionENTRY(lines 13 23) the Hoare annotation is: true [2020-07-01 12:02:55,081 INFO L268 CegarLoopResult]: For program point L14(lines 14 16) no Hoare annotation was computed. [2020-07-01 12:02:55,081 INFO L268 CegarLoopResult]: For program point additionEXIT(lines 13 23) no Hoare annotation was computed. [2020-07-01 12:02:55,082 INFO L268 CegarLoopResult]: For program point additionFINAL(lines 13 23) no Hoare annotation was computed. [2020-07-01 12:02:55,082 INFO L271 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true [2020-07-01 12:02:55,082 INFO L268 CegarLoopResult]: For program point L20(lines 20 22) no Hoare annotation was computed. [2020-07-01 12:02:55,082 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2020-07-01 12:02:55,082 INFO L271 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-07-01 12:02:55,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:02:55 BasicIcfg [2020-07-01 12:02:55,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:02:55,087 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:02:55,087 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:02:55,091 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:02:55,091 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:02:55,092 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:02:54" (1/5) ... [2020-07-01 12:02:55,092 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@694aaf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:02:55, skipping insertion in model container [2020-07-01 12:02:55,092 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:02:55,093 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:02:54" (2/5) ... [2020-07-01 12:02:55,093 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@694aaf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:02:55, skipping insertion in model container [2020-07-01 12:02:55,093 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:02:55,093 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:02:54" (3/5) ... [2020-07-01 12:02:55,094 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@694aaf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:02:55, skipping insertion in model container [2020-07-01 12:02:55,094 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:02:55,094 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:02:54" (4/5) ... [2020-07-01 12:02:55,094 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@694aaf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:02:55, skipping insertion in model container [2020-07-01 12:02:55,094 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:02:55,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:02:55" (5/5) ... [2020-07-01 12:02:55,097 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:02:55,124 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:02:55,124 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:02:55,125 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:02:55,125 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:02:55,125 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:02:55,125 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:02:55,125 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:02:55,125 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:02:55,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-01 12:02:55,149 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 12:02:55,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:02:55,150 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:02:55,157 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:02:55,157 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 12:02:55,157 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:02:55,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-01 12:02:55,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 12:02:55,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:02:55,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:02:55,159 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:02:55,159 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 12:02:55,165 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue [74] ULTIMATE.startENTRY-->L35: Formula: (and (< 0 v_ULTIMATE.start_main_~m~0_9) (< 0 v_ULTIMATE.start_main_~n~0_9)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_9, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_7|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret4, ULTIMATE.start_main_~result~0] 11#L35true [60] L35-->additionENTRY: Formula: (and (= |v_addition_#in~mInParam_1| v_ULTIMATE.start_main_~m~0_7) (= |v_addition_#in~nInParam_1| v_ULTIMATE.start_main_~n~0_6)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_6, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_7} OutVars{addition_#in~m=|v_addition_#in~mInParam_1|, addition_#in~n=|v_addition_#in~nInParam_1|} AuxVars[] AssignedVars[addition_#in~m, addition_#in~n]< 3#additionENTRYtrue [2020-07-01 12:02:55,165 INFO L796 eck$LassoCheckResult]: Loop: 3#additionENTRYtrue [52] additionENTRY-->L14: Formula: (and (= v_addition_~m_1 |v_addition_#in~m_1|) (= v_addition_~n_1 |v_addition_#in~n_1|)) InVars {addition_#in~m=|v_addition_#in~m_1|, addition_#in~n=|v_addition_#in~n_1|} OutVars{addition_~n=v_addition_~n_1, addition_#in~m=|v_addition_#in~m_1|, addition_#in~n=|v_addition_#in~n_1|, addition_~m=v_addition_~m_1} AuxVars[] AssignedVars[addition_~n, addition_~m] 8#L14true [70] L14-->L17: Formula: (> 0 v_addition_~n_4) InVars {addition_~n=v_addition_~n_4} OutVars{addition_~n=v_addition_~n_4} AuxVars[] AssignedVars[] 13#L17true [49] L17-->L18: Formula: (< 0 v_addition_~n_5) InVars {addition_~n=v_addition_~n_5} OutVars{addition_~n=v_addition_~n_5} AuxVars[] AssignedVars[] 10#L18true [48] L18-->additionENTRY: Formula: (and (= |v_addition_#in~nInParam_2| (+ v_addition_~n_10 (- 1))) (= |v_addition_#in~mInParam_2| (+ v_addition_~m_5 1))) InVars {addition_~n=v_addition_~n_10, addition_~m=v_addition_~m_5} OutVars{addition_#in~m=|v_addition_#in~mInParam_2|, addition_#in~n=|v_addition_#in~nInParam_2|} AuxVars[] AssignedVars[addition_#in~m, addition_#in~n]< 3#additionENTRYtrue [2020-07-01 12:02:55,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:02:55,172 INFO L82 PathProgramCache]: Analyzing trace with hash 3315, now seen corresponding path program 1 times [2020-07-01 12:02:55,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:02:55,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228599569] [2020-07-01 12:02:55,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:02:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:02:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:02:55,261 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:02:55,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:02:55,263 INFO L82 PathProgramCache]: Analyzing trace with hash 2541490, now seen corresponding path program 1 times [2020-07-01 12:02:55,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:02:55,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666230878] [2020-07-01 12:02:55,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:02:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:02:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:02:55,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666230878] [2020-07-01 12:02:55,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:02:55,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:02:55,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964077783] [2020-07-01 12:02:55,317 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 12:02:55,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:02:55,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:02:55,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:02:55,335 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2020-07-01 12:02:55,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:02:55,375 INFO L93 Difference]: Finished difference Result 16 states and 22 transitions. [2020-07-01 12:02:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:02:55,378 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: unknown kind of automaton at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.toString(AutomatonDefinitionPrinter.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.TermcompProofBenchmark.reportFiniteModule(TermcompProofBenchmark.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:978) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-01 12:02:55,382 INFO L168 Benchmark]: Toolchain (without parser) took 1160.59 ms. Allocated memory was 514.9 MB in the beginning and 557.3 MB in the end (delta: 42.5 MB). Free memory was 436.1 MB in the beginning and 473.3 MB in the end (delta: -37.1 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 12:02:55,382 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 514.9 MB. Free memory is still 456.0 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:02:55,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.32 ms. Allocated memory was 514.9 MB in the beginning and 557.3 MB in the end (delta: 42.5 MB). Free memory was 435.6 MB in the beginning and 526.4 MB in the end (delta: -90.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:02:55,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.68 ms. Allocated memory is still 557.3 MB. Free memory was 526.4 MB in the beginning and 524.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:02:55,385 INFO L168 Benchmark]: Boogie Preprocessor took 18.49 ms. Allocated memory is still 557.3 MB. Free memory was 524.8 MB in the beginning and 523.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:02:55,385 INFO L168 Benchmark]: RCFGBuilder took 261.92 ms. Allocated memory is still 557.3 MB. Free memory was 523.3 MB in the beginning and 510.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 50.3 GB. [2020-07-01 12:02:55,386 INFO L168 Benchmark]: BlockEncodingV2 took 80.12 ms. Allocated memory is still 557.3 MB. Free memory was 510.4 MB in the beginning and 504.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 50.3 GB. [2020-07-01 12:02:55,386 INFO L168 Benchmark]: TraceAbstraction took 165.62 ms. Allocated memory is still 557.3 MB. Free memory was 503.7 MB in the beginning and 493.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. [2020-07-01 12:02:55,387 INFO L168 Benchmark]: BuchiAutomizer took 292.57 ms. Allocated memory is still 557.3 MB. Free memory was 493.1 MB in the beginning and 473.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 50.3 GB. [2020-07-01 12:02:55,391 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 18 locations, 24 edges - StatisticsResult: Encoded RCFG 12 locations, 17 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 514.9 MB. Free memory is still 456.0 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 300.32 ms. Allocated memory was 514.9 MB in the beginning and 557.3 MB in the end (delta: 42.5 MB). Free memory was 435.6 MB in the beginning and 526.4 MB in the end (delta: -90.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.68 ms. Allocated memory is still 557.3 MB. Free memory was 526.4 MB in the beginning and 524.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.49 ms. Allocated memory is still 557.3 MB. Free memory was 524.8 MB in the beginning and 523.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. * RCFGBuilder took 261.92 ms. Allocated memory is still 557.3 MB. Free memory was 523.3 MB in the beginning and 510.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 80.12 ms. Allocated memory is still 557.3 MB. Free memory was 510.4 MB in the beginning and 504.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 50.3 GB. * TraceAbstraction took 165.62 ms. Allocated memory is still 557.3 MB. Free memory was 503.7 MB in the beginning and 493.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 292.57 ms. Allocated memory is still 557.3 MB. Free memory was 493.1 MB in the beginning and 473.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 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=12occurred 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, 4 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 4 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: unknown kind of automaton de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: unknown kind of automaton: de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. !SESSION 2020-07-01 12:02:49.778 ----------------------------------------------- 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_75yu2I/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:02:55.625 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check