/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 10:49:23,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:49:23,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:49:23,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:49:23,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:49:23,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:49:23,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:49:23,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:49:23,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:49:23,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:49:23,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:49:23,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:49:23,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:49:23,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:49:23,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:49:23,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:49:23,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:49:23,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:49:23,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:49:23,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:49:23,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:49:23,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:49:23,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:49:23,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:49:23,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:49:23,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:49:23,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:49:23,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:49:23,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:49:23,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:49:23,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:49:23,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:49:23,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:49:23,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:49:23,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:49:23,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:49:23,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:49:23,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:49:23,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:49:23,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:49:23,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:49:23,235 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 10:49:23,249 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:49:23,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:49:23,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:49:23,251 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:49:23,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:49:23,251 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:49:23,251 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:49:23,251 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:49:23,251 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:49:23,252 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:49:23,252 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:49:23,252 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:49:23,252 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:49:23,252 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:49:23,252 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:49:23,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:49:23,253 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:49:23,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:49:23,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:49:23,253 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:49:23,254 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:49:23,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:49:23,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:49:23,254 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:49:23,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:49:23,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:49:23,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:49:23,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:49:23,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:49:23,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:49:23,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:49:23,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:49:23,440 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:49:23,440 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:49:23,441 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 10:49:23,502 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_F0aurK/tmp/cda22c0ecba44cf09fe1398e0dd5f882/FLAG9cdbd3632 [2020-07-01 10:49:23,872 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:49:23,873 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 10:49:23,880 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_F0aurK/tmp/cda22c0ecba44cf09fe1398e0dd5f882/FLAG9cdbd3632 [2020-07-01 10:49:24,290 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_F0aurK/tmp/cda22c0ecba44cf09fe1398e0dd5f882 [2020-07-01 10:49:24,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:49:24,303 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:49:24,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:49:24,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:49:24,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:49:24,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:49:24" (1/1) ... [2020-07-01 10:49:24,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d42dd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24, skipping insertion in model container [2020-07-01 10:49:24,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:49:24" (1/1) ... [2020-07-01 10:49:24,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:49:24,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:49:24,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:49:24,569 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:49:24,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:49:24,603 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:49:24,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24 WrapperNode [2020-07-01 10:49:24,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:49:24,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:49:24,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:49:24,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:49:24,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24" (1/1) ... [2020-07-01 10:49:24,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24" (1/1) ... [2020-07-01 10:49:24,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:49:24,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:49:24,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:49:24,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:49:24,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24" (1/1) ... [2020-07-01 10:49:24,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24" (1/1) ... [2020-07-01 10:49:24,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24" (1/1) ... [2020-07-01 10:49:24,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24" (1/1) ... [2020-07-01 10:49:24,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24" (1/1) ... [2020-07-01 10:49:24,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24" (1/1) ... [2020-07-01 10:49:24,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24" (1/1) ... [2020-07-01 10:49:24,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:49:24,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:49:24,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:49:24,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:49:24,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24" (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 10:49:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:49:24,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:49:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2020-07-01 10:49:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2020-07-01 10:49:24,940 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:49:24,940 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-01 10:49:24,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:49:24 BoogieIcfgContainer [2020-07-01 10:49:24,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:49:24,945 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:49:24,945 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:49:24,948 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:49:24,949 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:49:24" (1/1) ... [2020-07-01 10:49:24,964 INFO L313 BlockEncoder]: Initial Icfg 20 locations, 27 edges [2020-07-01 10:49:24,966 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:49:24,966 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:49:24,967 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:49:24,967 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:49:24,969 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:49:24,970 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:49:24,970 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:49:24,986 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:49:25,005 INFO L200 BlockEncoder]: SBE split 4 edges [2020-07-01 10:49:25,010 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 10:49:25,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:49:25,021 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 10:49:25,023 INFO L70 RemoveSinkStates]: Removed 10 edges and 5 locations by removing sink states [2020-07-01 10:49:25,025 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:49:25,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:49:25,034 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 10:49:25,034 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:49:25,035 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:49:25,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:49:25,035 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:49:25,036 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:49:25,036 INFO L313 BlockEncoder]: Encoded RCFG 12 locations, 17 edges [2020-07-01 10:49:25,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:49:25 BasicIcfg [2020-07-01 10:49:25,037 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:49:25,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:49:25,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:49:25,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:49:25,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:49:24" (1/4) ... [2020-07-01 10:49:25,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e24ae42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:49:25, skipping insertion in model container [2020-07-01 10:49:25,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24" (2/4) ... [2020-07-01 10:49:25,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e24ae42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:49:25, skipping insertion in model container [2020-07-01 10:49:25,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:49:24" (3/4) ... [2020-07-01 10:49:25,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e24ae42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:49:25, skipping insertion in model container [2020-07-01 10:49:25,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:49:25" (4/4) ... [2020-07-01 10:49:25,072 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:49:25,082 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:49:25,117 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:49:25,131 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:49:25,154 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:49:25,154 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:49:25,154 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:49:25,154 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:49:25,155 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:49:25,155 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:49:25,155 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:49:25,155 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:49:25,173 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-01 10:49:25,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:49:25,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-07-01 10:49:25,251 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:49:25,252 INFO L271 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: true [2020-07-01 10:49:25,252 INFO L268 CegarLoopResult]: For program point L17(lines 17 19) no Hoare annotation was computed. [2020-07-01 10:49:25,252 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-07-01 10:49:25,252 INFO L271 CegarLoopResult]: At program point additionENTRY(lines 13 23) the Hoare annotation is: true [2020-07-01 10:49:25,252 INFO L268 CegarLoopResult]: For program point L14(lines 14 16) no Hoare annotation was computed. [2020-07-01 10:49:25,253 INFO L268 CegarLoopResult]: For program point additionEXIT(lines 13 23) no Hoare annotation was computed. [2020-07-01 10:49:25,253 INFO L268 CegarLoopResult]: For program point additionFINAL(lines 13 23) no Hoare annotation was computed. [2020-07-01 10:49:25,253 INFO L271 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true [2020-07-01 10:49:25,253 INFO L268 CegarLoopResult]: For program point L20(lines 20 22) no Hoare annotation was computed. [2020-07-01 10:49:25,253 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2020-07-01 10:49:25,254 INFO L271 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-07-01 10:49:25,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:49:25 BasicIcfg [2020-07-01 10:49:25,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:49:25,258 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:49:25,259 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:49:25,262 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:49:25,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:49:25,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:49:24" (1/5) ... [2020-07-01 10:49:25,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24d52746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:49:25, skipping insertion in model container [2020-07-01 10:49:25,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:49:25,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:24" (2/5) ... [2020-07-01 10:49:25,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24d52746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:49:25, skipping insertion in model container [2020-07-01 10:49:25,265 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:49:25,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:49:24" (3/5) ... [2020-07-01 10:49:25,265 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24d52746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:49:25, skipping insertion in model container [2020-07-01 10:49:25,265 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:49:25,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:49:25" (4/5) ... [2020-07-01 10:49:25,266 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24d52746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:49:25, skipping insertion in model container [2020-07-01 10:49:25,266 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:49:25,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:49:25" (5/5) ... [2020-07-01 10:49:25,267 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:49:25,296 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:49:25,296 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:49:25,296 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:49:25,297 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:49:25,297 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:49:25,297 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:49:25,297 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:49:25,297 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:49:25,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-01 10:49:25,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 10:49:25,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:49:25,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:49:25,329 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 10:49:25,329 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 10:49:25,329 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:49:25,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-01 10:49:25,331 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 10:49:25,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:49:25,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:49:25,332 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 10:49:25,332 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 10:49:25,337 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue [91] ULTIMATE.startENTRY-->L35: Formula: (and (<= v_ULTIMATE.start_main_~n~0_11 2147483647) (<= v_ULTIMATE.start_main_~m~0_11 2147483647) (<= 0 v_ULTIMATE.start_main_~m~0_11) (<= 0 v_ULTIMATE.start_main_~n~0_11)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_11, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_11, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_7|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret4, ULTIMATE.start_main_~result~0] 11#L35true [68] L35-->additionENTRY: Formula: (and (= |v_addition_#in~mInParam_1| v_ULTIMATE.start_main_~m~0_9) (= |v_addition_#in~nInParam_1| v_ULTIMATE.start_main_~n~0_8)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_9} OutVars{addition_#in~m=|v_addition_#in~mInParam_1|, addition_#in~n=|v_addition_#in~nInParam_1|} AuxVars[] AssignedVars[addition_#in~m, addition_#in~n]< 3#additionENTRYtrue [2020-07-01 10:49:25,338 INFO L796 eck$LassoCheckResult]: Loop: 3#additionENTRYtrue [60] additionENTRY-->L14: Formula: (and (= v_addition_~n_5 |v_addition_#in~n_1|) (= v_addition_~m_3 |v_addition_#in~m_1|)) InVars {addition_#in~m=|v_addition_#in~m_1|, addition_#in~n=|v_addition_#in~n_1|} OutVars{addition_~n=v_addition_~n_5, addition_#in~m=|v_addition_#in~m_1|, addition_#in~n=|v_addition_#in~n_1|, addition_~m=v_addition_~m_3} AuxVars[] AssignedVars[addition_~n, addition_~m] 8#L14true [85] L14-->L17: Formula: (> 0 v_addition_~n_8) InVars {addition_~n=v_addition_~n_8} OutVars{addition_~n=v_addition_~n_8} AuxVars[] AssignedVars[] 13#L17true [57] L17-->L18: Formula: (< 0 v_addition_~n_9) InVars {addition_~n=v_addition_~n_9} OutVars{addition_~n=v_addition_~n_9} AuxVars[] AssignedVars[] 10#L18true [56] 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 10:49:25,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:49:25,345 INFO L82 PathProgramCache]: Analyzing trace with hash 3850, now seen corresponding path program 1 times [2020-07-01 10:49:25,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:49:25,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863469333] [2020-07-01 10:49:25,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:49:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:49:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:49:25,432 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:49:25,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:49:25,434 INFO L82 PathProgramCache]: Analyzing trace with hash 2794489, now seen corresponding path program 1 times [2020-07-01 10:49:25,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:49:25,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041692293] [2020-07-01 10:49:25,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:49:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:49:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 10:49:25,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041692293] [2020-07-01 10:49:25,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 10:49:25,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 10:49:25,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158525175] [2020-07-01 10:49:25,488 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 10:49:25,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 10:49:25,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 10:49:25,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 10:49:25,506 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2020-07-01 10:49:25,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 10:49:25,546 INFO L93 Difference]: Finished difference Result 16 states and 22 transitions. [2020-07-01 10:49:25,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 10:49:25,549 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 10:49:25,553 INFO L168 Benchmark]: Toolchain (without parser) took 1249.27 ms. Allocated memory was 514.9 MB in the beginning and 566.2 MB in the end (delta: 51.4 MB). Free memory was 436.6 MB in the beginning and 482.0 MB in the end (delta: -45.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:25,554 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 455.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:49:25,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.24 ms. Allocated memory was 514.9 MB in the beginning and 566.2 MB in the end (delta: 51.4 MB). Free memory was 436.1 MB in the beginning and 536.3 MB in the end (delta: -100.3 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:25,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.18 ms. Allocated memory is still 566.2 MB. Free memory was 535.6 MB in the beginning and 534.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:25,556 INFO L168 Benchmark]: Boogie Preprocessor took 18.77 ms. Allocated memory is still 566.2 MB. Free memory was 534.1 MB in the beginning and 533.3 MB in the end (delta: 763.3 kB). Peak memory consumption was 763.3 kB. Max. memory is 50.3 GB. [2020-07-01 10:49:25,557 INFO L168 Benchmark]: RCFGBuilder took 285.53 ms. Allocated memory is still 566.2 MB. Free memory was 532.6 MB in the beginning and 518.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:25,557 INFO L168 Benchmark]: BlockEncodingV2 took 91.69 ms. Allocated memory is still 566.2 MB. Free memory was 518.8 MB in the beginning and 512.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:25,558 INFO L168 Benchmark]: TraceAbstraction took 219.54 ms. Allocated memory is still 566.2 MB. Free memory was 512.0 MB in the beginning and 501.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:25,558 INFO L168 Benchmark]: BuchiAutomizer took 292.30 ms. Allocated memory is still 566.2 MB. Free memory was 501.5 MB in the beginning and 482.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:25,562 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 20 locations, 27 edges - StatisticsResult: Encoded RCFG 12 locations, 17 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 455.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 300.24 ms. Allocated memory was 514.9 MB in the beginning and 566.2 MB in the end (delta: 51.4 MB). Free memory was 436.1 MB in the beginning and 536.3 MB in the end (delta: -100.3 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.18 ms. Allocated memory is still 566.2 MB. Free memory was 535.6 MB in the beginning and 534.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.77 ms. Allocated memory is still 566.2 MB. Free memory was 534.1 MB in the beginning and 533.3 MB in the end (delta: 763.3 kB). Peak memory consumption was 763.3 kB. Max. memory is 50.3 GB. * RCFGBuilder took 285.53 ms. Allocated memory is still 566.2 MB. Free memory was 532.6 MB in the beginning and 518.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 91.69 ms. Allocated memory is still 566.2 MB. Free memory was 518.8 MB in the beginning and 512.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 50.3 GB. * TraceAbstraction took 219.54 ms. Allocated memory is still 566.2 MB. Free memory was 512.0 MB in the beginning and 501.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 292.30 ms. Allocated memory is still 566.2 MB. Free memory was 501.5 MB in the beginning and 482.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - 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 10:49:21.001 ----------------------------------------------- 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_F0aurK/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:49:25.796 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check