/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 10:51:22,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:51:22,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:51:22,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:51:22,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:51:22,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:51:22,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:51:22,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:51:22,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:51:22,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:51:22,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:51:22,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:51:22,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:51:22,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:51:22,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:51:22,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:51:22,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:51:22,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:51:22,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:51:22,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:51:22,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:51:22,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:51:22,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:51:22,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:51:22,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:51:22,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:51:22,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:51:22,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:51:22,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:51:22,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:51:22,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:51:22,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:51:22,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:51:22,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:51:22,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:51:22,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:51:22,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:51:22,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:51:22,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:51:22,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:51:22,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:51:22,832 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 10:51:22,847 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:51:22,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:51:22,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:51:22,848 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:51:22,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:51:22,849 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:51:22,849 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:51:22,849 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:51:22,849 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:51:22,849 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:51:22,849 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:51:22,850 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:51:22,850 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:51:22,850 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:51:22,850 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:51:22,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:51:22,851 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:51:22,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:51:22,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:51:22,851 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:51:22,851 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:51:22,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:51:22,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:51:22,852 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:51:22,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:51:22,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:51:22,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:51:22,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:51:22,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:51:23,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:51:23,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:51:23,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:51:23,039 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:51:23,039 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:51:23,040 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:51:23,146 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_uhd2oh/tmp/9956da2b78bf4725a94bf193bfa908d5/FLAG3dbfb8192 [2020-07-01 10:51:23,490 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:51:23,491 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:51:23,498 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_uhd2oh/tmp/9956da2b78bf4725a94bf193bfa908d5/FLAG3dbfb8192 [2020-07-01 10:51:23,890 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_uhd2oh/tmp/9956da2b78bf4725a94bf193bfa908d5 [2020-07-01 10:51:23,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:51:23,903 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:51:23,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:51:23,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:51:23,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:51:23,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:51:23" (1/1) ... [2020-07-01 10:51:23,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a480361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:23, skipping insertion in model container [2020-07-01 10:51:23,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:51:23" (1/1) ... [2020-07-01 10:51:23,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:51:23,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:51:24,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:51:24,179 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:51:24,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:51:24,216 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:51:24,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24 WrapperNode [2020-07-01 10:51:24,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:51:24,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:51:24,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:51:24,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:51:24,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24" (1/1) ... [2020-07-01 10:51:24,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24" (1/1) ... [2020-07-01 10:51:24,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:51:24,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:51:24,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:51:24,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:51:24,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24" (1/1) ... [2020-07-01 10:51:24,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24" (1/1) ... [2020-07-01 10:51:24,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24" (1/1) ... [2020-07-01 10:51:24,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24" (1/1) ... [2020-07-01 10:51:24,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24" (1/1) ... [2020-07-01 10:51:24,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24" (1/1) ... [2020-07-01 10:51:24,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24" (1/1) ... [2020-07-01 10:51:24,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:51:24,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:51:24,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:51:24,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:51:24,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:51:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:51:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:51:24,592 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:51:24,593 INFO L295 CfgBuilder]: Removed 35 assume(true) statements. [2020-07-01 10:51:24,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:51:24 BoogieIcfgContainer [2020-07-01 10:51:24,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:51:24,597 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:51:24,598 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:51:24,600 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:51:24,601 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:51:24" (1/1) ... [2020-07-01 10:51:24,616 INFO L313 BlockEncoder]: Initial Icfg 38 locations, 55 edges [2020-07-01 10:51:24,617 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:51:24,618 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:51:24,619 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:51:24,619 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:51:24,621 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:51:24,621 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:51:24,622 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:51:24,652 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:51:24,684 INFO L200 BlockEncoder]: SBE split 15 edges [2020-07-01 10:51:24,690 INFO L70 emoveInfeasibleEdges]: Removed 6 edges and 0 locations because of local infeasibility [2020-07-01 10:51:24,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:51:24,734 INFO L100 BaseMinimizeStates]: Removed 22 edges and 11 locations by large block encoding [2020-07-01 10:51:24,737 INFO L70 RemoveSinkStates]: Removed 12 edges and 7 locations by removing sink states [2020-07-01 10:51:24,739 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:51:24,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:51:24,745 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 10:51:24,746 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:51:24,747 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 10:51:24,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:51:24,750 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 10:51:24,751 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:51:24,751 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:51:24,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:51:24,752 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:51:24,752 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:51:24,752 INFO L313 BlockEncoder]: Encoded RCFG 16 locations, 43 edges [2020-07-01 10:51:24,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:51:24 BasicIcfg [2020-07-01 10:51:24,753 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:51:24,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:51:24,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:51:24,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:51:24,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:51:23" (1/4) ... [2020-07-01 10:51:24,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d88cebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:51:24, skipping insertion in model container [2020-07-01 10:51:24,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24" (2/4) ... [2020-07-01 10:51:24,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d88cebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:51:24, skipping insertion in model container [2020-07-01 10:51:24,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:51:24" (3/4) ... [2020-07-01 10:51:24,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d88cebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:51:24, skipping insertion in model container [2020-07-01 10:51:24,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:51:24" (4/4) ... [2020-07-01 10:51:24,763 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:51:24,774 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:51:24,782 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:51:24,798 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:51:24,824 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:51:24,824 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:51:24,824 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:51:24,824 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:51:24,824 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:51:24,825 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:51:24,825 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:51:24,825 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:51:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-07-01 10:51:24,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:51:24,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-07-01 10:51:24,914 INFO L271 CegarLoopResult]: At program point L97(lines 97 100) the Hoare annotation is: true [2020-07-01 10:51:24,915 INFO L271 CegarLoopResult]: At program point L62(lines 55 64) the Hoare annotation is: true [2020-07-01 10:51:24,915 INFO L271 CegarLoopResult]: At program point L89(lines 89 92) the Hoare annotation is: true [2020-07-01 10:51:24,915 INFO L268 CegarLoopResult]: For program point L81(lines 81 84) no Hoare annotation was computed. [2020-07-01 10:51:24,915 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-01 10:51:24,915 INFO L268 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-07-01 10:51:24,916 INFO L268 CegarLoopResult]: For program point L34(lines 34 43) no Hoare annotation was computed. [2020-07-01 10:51:24,916 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-01 10:51:24,916 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-01 10:51:24,916 INFO L268 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-07-01 10:51:24,916 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-01 10:51:24,916 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-01 10:51:24,917 INFO L271 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2020-07-01 10:51:24,917 INFO L271 CegarLoopResult]: At program point L78(lines 78 113) the Hoare annotation is: true [2020-07-01 10:51:24,917 INFO L271 CegarLoopResult]: At program point L76-2(lines 76 114) the Hoare annotation is: true [2020-07-01 10:51:24,917 INFO L268 CegarLoopResult]: For program point L105(lines 105 108) no Hoare annotation was computed. [2020-07-01 10:51:24,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:51:24 BasicIcfg [2020-07-01 10:51:24,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:51:24,927 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:51:24,927 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:51:24,931 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:51:24,931 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:51:24,932 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:51:23" (1/5) ... [2020-07-01 10:51:24,932 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7417650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:51:24, skipping insertion in model container [2020-07-01 10:51:24,932 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:51:24,932 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:51:24" (2/5) ... [2020-07-01 10:51:24,933 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7417650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:51:24, skipping insertion in model container [2020-07-01 10:51:24,933 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:51:24,933 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:51:24" (3/5) ... [2020-07-01 10:51:24,933 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7417650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:51:24, skipping insertion in model container [2020-07-01 10:51:24,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:51:24,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:51:24" (4/5) ... [2020-07-01 10:51:24,934 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7417650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:51:24, skipping insertion in model container [2020-07-01 10:51:24,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:51:24,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:51:24" (5/5) ... [2020-07-01 10:51:24,936 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:51:24,962 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:51:24,962 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:51:24,962 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:51:24,962 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:51:24,962 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:51:24,963 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:51:24,963 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:51:24,963 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:51:24,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-07-01 10:51:24,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2020-07-01 10:51:24,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:51:24,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:51:24,992 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:51:24,992 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 10:51:24,993 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:51:24,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-07-01 10:51:24,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2020-07-01 10:51:24,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:51:24,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:51:24,995 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:51:24,995 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 10:51:25,000 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue [252] ULTIMATE.startENTRY-->L76-2: Formula: (and (= 0 v_~open_called~0_9) (= 1 v_~ldv_mutex~0_17) (= 0 |v_ULTIMATE.start_my_init_#res_5|) (= 0 v_ULTIMATE.start_main_~ldv_s_misc_fops_file_operations~0_20)) InVars {} OutVars{ULTIMATE.start_main_#t~post10=|v_ULTIMATE.start_main_#t~post10_5|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~ldv_s_misc_fops_file_operations~0=v_ULTIMATE.start_main_~ldv_s_misc_fops_file_operations~0_20, ULTIMATE.start_main_#t~post6=|v_ULTIMATE.start_main_#t~post6_5|, ULTIMATE.start_main_#t~ret1=|v_ULTIMATE.start_main_#t~ret1_5|, ~open_called~0=v_~open_called~0_9, ULTIMATE.start_main_#t~post8=|v_ULTIMATE.start_main_#t~post8_5|, ULTIMATE.start_my_init_#res=|v_ULTIMATE.start_my_init_#res_5|, ULTIMATE.start_main_#t~switch4=|v_ULTIMATE.start_main_#t~switch4_19|, ULTIMATE.start_main_#t~ret11=|v_ULTIMATE.start_main_#t~ret11_5|, ULTIMATE.start_main_#t~ret9=|v_ULTIMATE.start_main_#t~ret9_5|, ~ldv_mutex~0=v_~ldv_mutex~0_17, ULTIMATE.start_main_#t~ret7=|v_ULTIMATE.start_main_#t~ret7_5|, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post10, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~ldv_s_misc_fops_file_operations~0, ULTIMATE.start_main_#t~post6, ULTIMATE.start_main_#t~ret1, ~open_called~0, ULTIMATE.start_main_#t~post8, ULTIMATE.start_my_init_#res, ULTIMATE.start_main_#t~switch4, ULTIMATE.start_main_#t~ret11, ULTIMATE.start_main_#t~ret9, ~ldv_mutex~0, ULTIMATE.start_main_#t~ret7, ULTIMATE.start_main_#t~ret5] 10#L76-2true [2020-07-01 10:51:25,001 INFO L796 eck$LassoCheckResult]: Loop: 10#L76-2true [214] L76-2-->L80: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet2_5|) (not |v_ULTIMATE.start_main_#t~switch4_3|) (< 0 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_#t~switch4=|v_ULTIMATE.start_main_#t~switch4_3|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~switch4, ULTIMATE.start_main_#t~nondet2] 3#L80true [144] L80-->L81: Formula: |v_ULTIMATE.start_main_#t~switch4_4| InVars {ULTIMATE.start_main_#t~switch4=|v_ULTIMATE.start_main_#t~switch4_4|} OutVars{ULTIMATE.start_main_#t~switch4=|v_ULTIMATE.start_main_#t~switch4_4|} AuxVars[] AssignedVars[] 6#L81true [225] L81-->L78: Formula: (< 0 v_ULTIMATE.start_main_~ldv_s_misc_fops_file_operations~0_7) InVars {ULTIMATE.start_main_~ldv_s_misc_fops_file_operations~0=v_ULTIMATE.start_main_~ldv_s_misc_fops_file_operations~0_7} OutVars{ULTIMATE.start_main_~ldv_s_misc_fops_file_operations~0=v_ULTIMATE.start_main_~ldv_s_misc_fops_file_operations~0_7} AuxVars[] AssignedVars[] 16#L78true [168] L78-->L76-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~switch4=|v_ULTIMATE.start_main_#t~switch4_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~switch4, ULTIMATE.start_main_#t~nondet3] 10#L76-2true [2020-07-01 10:51:25,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:51:25,007 INFO L82 PathProgramCache]: Analyzing trace with hash 283, now seen corresponding path program 1 times [2020-07-01 10:51:25,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:51:25,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059912504] [2020-07-01 10:51:25,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:51:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:51:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:51:25,087 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:51:25,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:51:25,089 INFO L82 PathProgramCache]: Analyzing trace with hash 7444322, now seen corresponding path program 1 times [2020-07-01 10:51:25,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:51:25,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258843162] [2020-07-01 10:51:25,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:51:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:51:25,128 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 10:51:25,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258843162] [2020-07-01 10:51:25,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 10:51:25,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 10:51:25,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144004793] [2020-07-01 10:51:25,136 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 10:51:25,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 10:51:25,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 10:51:25,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 10:51:25,153 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 3 states. [2020-07-01 10:51:25,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 10:51:25,283 INFO L93 Difference]: Finished difference Result 21 states and 54 transitions. [2020-07-01 10:51:25,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 10:51:25,286 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 10:51:25,290 INFO L168 Benchmark]: Toolchain (without parser) took 1386.75 ms. Allocated memory was 649.6 MB in the beginning and 686.3 MB in the end (delta: 36.7 MB). Free memory was 562.7 MB in the beginning and 573.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 50.3 GB. [2020-07-01 10:51:25,291 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:51:25,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.84 ms. Allocated memory was 649.6 MB in the beginning and 686.3 MB in the end (delta: 36.7 MB). Free memory was 561.7 MB in the beginning and 647.8 MB in the end (delta: -86.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:51:25,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.54 ms. Allocated memory is still 686.3 MB. Free memory was 647.8 MB in the beginning and 645.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:51:25,293 INFO L168 Benchmark]: Boogie Preprocessor took 24.51 ms. Allocated memory is still 686.3 MB. Free memory was 645.6 MB in the beginning and 644.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:51:25,293 INFO L168 Benchmark]: RCFGBuilder took 315.28 ms. Allocated memory is still 686.3 MB. Free memory was 644.5 MB in the beginning and 622.3 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:51:25,294 INFO L168 Benchmark]: BlockEncodingV2 took 155.85 ms. Allocated memory is still 686.3 MB. Free memory was 622.3 MB in the beginning and 611.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. [2020-07-01 10:51:25,295 INFO L168 Benchmark]: TraceAbstraction took 172.30 ms. Allocated memory is still 686.3 MB. Free memory was 610.4 MB in the beginning and 600.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. [2020-07-01 10:51:25,295 INFO L168 Benchmark]: BuchiAutomizer took 360.51 ms. Allocated memory is still 686.3 MB. Free memory was 599.5 MB in the beginning and 573.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:51:25,299 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 38 locations, 55 edges - StatisticsResult: Encoded RCFG 16 locations, 43 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 312.84 ms. Allocated memory was 649.6 MB in the beginning and 686.3 MB in the end (delta: 36.7 MB). Free memory was 561.7 MB in the beginning and 647.8 MB in the end (delta: -86.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 39.54 ms. Allocated memory is still 686.3 MB. Free memory was 647.8 MB in the beginning and 645.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 24.51 ms. Allocated memory is still 686.3 MB. Free memory was 645.6 MB in the beginning and 644.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 315.28 ms. Allocated memory is still 686.3 MB. Free memory was 644.5 MB in the beginning and 622.3 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 155.85 ms. Allocated memory is still 686.3 MB. Free memory was 622.3 MB in the beginning and 611.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. * TraceAbstraction took 172.30 ms. Allocated memory is still 686.3 MB. Free memory was 610.4 MB in the beginning and 600.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 360.51 ms. Allocated memory is still 686.3 MB. Free memory was 599.5 MB in the beginning and 573.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 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 10:51:20.588 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp/BenchExec_run_uhd2oh/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:51:25.534 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check