/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 10:38:42,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:38:42,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:38:42,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:38:42,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:38:42,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:38:42,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:38:42,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:38:42,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:38:42,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:38:42,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:38:43,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:38:43,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:38:43,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:38:43,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:38:43,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:38:43,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:38:43,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:38:43,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:38:43,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:38:43,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:38:43,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:38:43,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:38:43,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:38:43,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:38:43,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:38:43,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:38:43,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:38:43,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:38:43,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:38:43,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:38:43,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:38:43,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:38:43,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:38:43,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:38:43,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:38:43,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:38:43,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:38:43,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:38:43,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:38:43,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:38:43,023 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 10:38:43,038 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:38:43,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:38:43,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:38:43,039 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:38:43,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:38:43,040 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:38:43,040 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:38:43,040 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:38:43,040 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:38:43,040 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:38:43,040 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:38:43,041 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:38:43,041 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:38:43,041 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:38:43,041 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:43,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:38:43,042 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:38:43,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:38:43,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:38:43,042 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:38:43,042 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:38:43,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:38:43,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:38:43,043 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:38:43,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:38:43,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:38:43,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:38:43,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:38:43,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:38:43,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:38:43,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:38:43,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:38:43,224 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:38:43,224 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:38:43,225 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 10:38:43,291 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_1Ox0Q_/tmp/d2f5e4175f704c7988a5417cb76fcd6e/FLAG0a495e81a [2020-07-01 10:38:43,619 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:38:43,620 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 10:38:43,626 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_1Ox0Q_/tmp/d2f5e4175f704c7988a5417cb76fcd6e/FLAG0a495e81a [2020-07-01 10:38:44,063 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_1Ox0Q_/tmp/d2f5e4175f704c7988a5417cb76fcd6e [2020-07-01 10:38:44,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:38:44,076 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:38:44,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:38:44,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:38:44,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:38:44,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:38:44" (1/1) ... [2020-07-01 10:38:44,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f0faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44, skipping insertion in model container [2020-07-01 10:38:44,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:38:44" (1/1) ... [2020-07-01 10:38:44,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:38:44,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:38:44,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:38:44,349 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:38:44,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:38:44,382 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:38:44,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44 WrapperNode [2020-07-01 10:38:44,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:38:44,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:38:44,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:38:44,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:38:44,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44" (1/1) ... [2020-07-01 10:38:44,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44" (1/1) ... [2020-07-01 10:38:44,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:38:44,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:38:44,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:38:44,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:38:44,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44" (1/1) ... [2020-07-01 10:38:44,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44" (1/1) ... [2020-07-01 10:38:44,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44" (1/1) ... [2020-07-01 10:38:44,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44" (1/1) ... [2020-07-01 10:38:44,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44" (1/1) ... [2020-07-01 10:38:44,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44" (1/1) ... [2020-07-01 10:38:44,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44" (1/1) ... [2020-07-01 10:38:44,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:38:44,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:38:44,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:38:44,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:38:44,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44" (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 10:38:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2020-07-01 10:38:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2020-07-01 10:38:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:38:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:38:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-07-01 10:38:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-07-01 10:38:44,683 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:38:44,684 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-01 10:38:44,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:38:44 BoogieIcfgContainer [2020-07-01 10:38:44,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:38:44,688 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:38:44,688 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:38:44,691 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:38:44,692 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:38:44" (1/1) ... [2020-07-01 10:38:44,707 INFO L313 BlockEncoder]: Initial Icfg 22 locations, 27 edges [2020-07-01 10:38:44,709 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:38:44,709 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:38:44,710 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:38:44,710 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:38:44,712 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:38:44,712 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:38:44,713 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:38:44,728 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:38:44,744 INFO L200 BlockEncoder]: SBE split 3 edges [2020-07-01 10:38:44,748 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 10:38:44,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:38:44,758 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 10:38:44,761 INFO L70 RemoveSinkStates]: Removed 6 edges and 5 locations by removing sink states [2020-07-01 10:38:44,762 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:38:44,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:38:44,763 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:38:44,763 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:38:44,764 INFO L313 BlockEncoder]: Encoded RCFG 16 locations, 22 edges [2020-07-01 10:38:44,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:38:44 BasicIcfg [2020-07-01 10:38:44,764 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:38:44,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:38:44,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:38:44,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:38:44,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:38:44" (1/4) ... [2020-07-01 10:38:44,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5005d263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:38:44, skipping insertion in model container [2020-07-01 10:38:44,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44" (2/4) ... [2020-07-01 10:38:44,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5005d263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:38:44, skipping insertion in model container [2020-07-01 10:38:44,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:38:44" (3/4) ... [2020-07-01 10:38:44,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5005d263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:38:44, skipping insertion in model container [2020-07-01 10:38:44,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:38:44" (4/4) ... [2020-07-01 10:38:44,773 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:38:44,784 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:38:44,792 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:38:44,809 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:38:44,833 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:38:44,833 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:38:44,833 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:38:44,833 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:38:44,833 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:38:44,834 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:38:44,834 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:38:44,834 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:38:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-07-01 10:38:44,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:38:44,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-07-01 10:38:44,926 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-07-01 10:38:44,927 INFO L271 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2020-07-01 10:38:44,927 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-07-01 10:38:44,927 INFO L268 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed. [2020-07-01 10:38:44,927 INFO L268 CegarLoopResult]: For program point id2EXIT(lines 14 19) no Hoare annotation was computed. [2020-07-01 10:38:44,927 INFO L271 CegarLoopResult]: At program point id2ENTRY(lines 14 19) the Hoare annotation is: true [2020-07-01 10:38:44,928 INFO L268 CegarLoopResult]: For program point id2FINAL(lines 14 19) no Hoare annotation was computed. [2020-07-01 10:38:44,928 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:38:44,928 INFO L271 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2020-07-01 10:38:44,928 INFO L268 CegarLoopResult]: For program point idFINAL(lines 7 12) no Hoare annotation was computed. [2020-07-01 10:38:44,928 INFO L268 CegarLoopResult]: For program point idEXIT(lines 7 12) no Hoare annotation was computed. [2020-07-01 10:38:44,928 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-07-01 10:38:44,929 INFO L271 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: true [2020-07-01 10:38:44,929 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-07-01 10:38:44,929 INFO L268 CegarLoopResult]: For program point L9-1(line 9) no Hoare annotation was computed. [2020-07-01 10:38:44,929 INFO L271 CegarLoopResult]: At program point idENTRY(lines 7 12) the Hoare annotation is: true [2020-07-01 10:38:44,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:38:44 BasicIcfg [2020-07-01 10:38:44,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:38:44,934 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:38:44,934 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:38:44,938 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:38:44,939 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:44,940 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:38:44" (1/5) ... [2020-07-01 10:38:44,940 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@124c7a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:38:44, skipping insertion in model container [2020-07-01 10:38:44,940 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:44,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:44" (2/5) ... [2020-07-01 10:38:44,941 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@124c7a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:38:44, skipping insertion in model container [2020-07-01 10:38:44,941 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:44,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:38:44" (3/5) ... [2020-07-01 10:38:44,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@124c7a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:38:44, skipping insertion in model container [2020-07-01 10:38:44,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:44,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:38:44" (4/5) ... [2020-07-01 10:38:44,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@124c7a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:38:44, skipping insertion in model container [2020-07-01 10:38:44,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:44,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:38:44" (5/5) ... [2020-07-01 10:38:44,944 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:38:44,970 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:38:44,971 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:38:44,971 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:38:44,971 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:38:44,971 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:38:44,971 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:38:44,971 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:38:44,972 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:38:44,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-07-01 10:38:44,993 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 10:38:44,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:38:44,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:38:45,001 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 10:38:45,001 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-07-01 10:38:45,001 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:38:45,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-07-01 10:38:45,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 10:38:45,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:38:45,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:38:45,004 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 10:38:45,004 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-07-01 10:38:45,009 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue [60] ULTIMATE.startENTRY-->L23: Formula: (= v_ULTIMATE.start_main_~input~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) InVars {} OutVars{ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_3} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~input~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 18#L23true [63] L23-->idENTRY: Formula: (= |v_id_#in~xInParam_2| v_ULTIMATE.start_main_~input~0_5) InVars {ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_5} OutVars{id_#in~x=|v_id_#in~xInParam_2|} AuxVars[] AssignedVars[id_#in~x]< 17#idENTRYtrue [2020-07-01 10:38:45,010 INFO L796 eck$LassoCheckResult]: Loop: 17#idENTRYtrue [62] idENTRY-->L8: Formula: (= v_id_~x_1 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_1} AuxVars[] AssignedVars[id_~x] 12#L8true [76] L8-->L9: Formula: (< 0 v_id_~x_3) InVars {id_~x=v_id_~x_3} OutVars{id_~x=v_id_~x_3} AuxVars[] AssignedVars[] 11#L9true [55] L9-->id2ENTRY: Formula: (= |v_id2_#in~xInParam_1| (+ v_id_~x_5 (- 1))) InVars {id_~x=v_id_~x_5} OutVars{id2_#in~x=|v_id2_#in~xInParam_1|} AuxVars[] AssignedVars[id2_#in~x]< 7#id2ENTRYtrue [49] id2ENTRY-->L15: Formula: (= v_id2_~x_1 |v_id2_#in~x_1|) InVars {id2_#in~x=|v_id2_#in~x_1|} OutVars{id2_#in~x=|v_id2_#in~x_1|, id2_~x=v_id2_~x_1} AuxVars[] AssignedVars[id2_~x] 5#L15true [78] L15-->L16: Formula: (> 0 v_id2_~x_3) InVars {id2_~x=v_id2_~x_3} OutVars{id2_~x=v_id2_~x_3} AuxVars[] AssignedVars[] 10#L16true [54] L16-->idENTRY: Formula: (= |v_id_#in~xInParam_1| (+ v_id2_~x_5 (- 1))) InVars {id2_~x=v_id2_~x_5} OutVars{id_#in~x=|v_id_#in~xInParam_1|} AuxVars[] AssignedVars[id_#in~x]< 17#idENTRYtrue [2020-07-01 10:38:45,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:38:45,016 INFO L82 PathProgramCache]: Analyzing trace with hash 2884, now seen corresponding path program 1 times [2020-07-01 10:38:45,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:38:45,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831979389] [2020-07-01 10:38:45,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:38:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:45,091 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:38:45,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:38:45,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1560580591, now seen corresponding path program 1 times [2020-07-01 10:38:45,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:38:45,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076705590] [2020-07-01 10:38:45,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:38:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:38:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 10:38:45,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076705590] [2020-07-01 10:38:45,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 10:38:45,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-01 10:38:45,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032483404] [2020-07-01 10:38:45,181 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 10:38:45,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 10:38:45,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-01 10:38:45,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-01 10:38:45,198 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 5 states. [2020-07-01 10:38:45,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 10:38:45,293 INFO L93 Difference]: Finished difference Result 33 states and 47 transitions. [2020-07-01 10:38:45,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-01 10:38:45,296 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 10:38:45,301 INFO L168 Benchmark]: Toolchain (without parser) took 1224.03 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 561.5 MB in the beginning and 587.0 MB in the end (delta: -25.5 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:45,302 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 10:38:45,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.70 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 561.5 MB in the beginning and 654.6 MB in the end (delta: -93.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:45,303 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.30 ms. Allocated memory is still 690.5 MB. Free memory was 654.6 MB in the beginning and 652.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:45,304 INFO L168 Benchmark]: Boogie Preprocessor took 17.72 ms. Allocated memory is still 690.5 MB. Free memory was 652.4 MB in the beginning and 651.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:45,304 INFO L168 Benchmark]: RCFGBuilder took 251.77 ms. Allocated memory is still 690.5 MB. Free memory was 651.3 MB in the beginning and 635.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:45,305 INFO L168 Benchmark]: BlockEncodingV2 took 76.30 ms. Allocated memory is still 690.5 MB. Free memory was 635.7 MB in the beginning and 630.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:45,305 INFO L168 Benchmark]: TraceAbstraction took 167.92 ms. Allocated memory is still 690.5 MB. Free memory was 629.2 MB in the beginning and 619.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:45,306 INFO L168 Benchmark]: BuchiAutomizer took 364.15 ms. Allocated memory is still 690.5 MB. Free memory was 618.3 MB in the beginning and 587.0 MB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:45,310 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 22 locations, 27 edges - StatisticsResult: Encoded RCFG 16 locations, 22 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 305.70 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 561.5 MB in the beginning and 654.6 MB in the end (delta: -93.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.30 ms. Allocated memory is still 690.5 MB. Free memory was 654.6 MB in the beginning and 652.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.72 ms. Allocated memory is still 690.5 MB. Free memory was 652.4 MB in the beginning and 651.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 251.77 ms. Allocated memory is still 690.5 MB. Free memory was 651.3 MB in the beginning and 635.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 76.30 ms. Allocated memory is still 690.5 MB. Free memory was 635.7 MB in the beginning and 630.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 167.92 ms. Allocated memory is still 690.5 MB. Free memory was 629.2 MB in the beginning and 619.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 364.15 ms. Allocated memory is still 690.5 MB. Free memory was 618.3 MB in the beginning and 587.0 MB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 16 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=16occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 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 10:38:40.761 ----------------------------------------------- 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_1Ox0Q_/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:38:45.543 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check