/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- MAYBE Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:23:21,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:23:21,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:23:21,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:23:21,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:23:21,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:23:21,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:23:21,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:23:21,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:23:21,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:23:21,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:23:21,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:23:21,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:23:21,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:23:21,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:23:21,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:23:21,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:23:21,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:23:21,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:23:21,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:23:21,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:23:21,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:23:21,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:23:21,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:23:21,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:23:21,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:23:21,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:23:21,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:23:21,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:23:21,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:23:21,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:23:21,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:23:21,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:23:21,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:23:21,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:23:21,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:23:21,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:23:21,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:23:21,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:23:21,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:23:21,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:23:21,632 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 12:23:21,646 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:23:21,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:23:21,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:23:21,647 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:23:21,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:23:21,648 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:23:21,648 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:23:21,648 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:23:21,648 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:23:21,648 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:23:21,649 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:23:21,649 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:23:21,649 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:23:21,649 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:23:21,649 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:23:21,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:23:21,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:23:21,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:23:21,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:23:21,650 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:23:21,650 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:23:21,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:23:21,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:23:21,651 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:23:21,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:23:21,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:23:21,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:23:21,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:23:21,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:23:21,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:23:21,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:23:21,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:23:21,833 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:23:21,834 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:23:21,835 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:23:21,902 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_Aef359/tmp/cdbc43ae946549768eab86e2815d1160/FLAG098a2537a [2020-07-01 12:23:22,266 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:23:22,267 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:23:22,273 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_Aef359/tmp/cdbc43ae946549768eab86e2815d1160/FLAG098a2537a [2020-07-01 12:23:22,675 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_Aef359/tmp/cdbc43ae946549768eab86e2815d1160 [2020-07-01 12:23:22,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:23:22,688 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:23:22,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:23:22,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:23:22,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:23:22,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:23:22" (1/1) ... [2020-07-01 12:23:22,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da9c102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:22, skipping insertion in model container [2020-07-01 12:23:22,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:23:22" (1/1) ... [2020-07-01 12:23:22,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:23:22,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:23:22,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:23:22,969 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:23:22,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:23:23,003 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:23:23,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:23 WrapperNode [2020-07-01 12:23:23,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:23:23,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:23:23,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:23:23,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:23:23,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:23" (1/1) ... [2020-07-01 12:23:23,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:23" (1/1) ... [2020-07-01 12:23:23,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:23:23,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:23:23,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:23:23,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:23:23,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:23" (1/1) ... [2020-07-01 12:23:23,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:23" (1/1) ... [2020-07-01 12:23:23,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:23" (1/1) ... [2020-07-01 12:23:23,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:23" (1/1) ... [2020-07-01 12:23:23,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:23" (1/1) ... [2020-07-01 12:23:23,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:23" (1/1) ... [2020-07-01 12:23:23,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:23" (1/1) ... [2020-07-01 12:23:23,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:23:23,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:23:23,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:23:23,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:23:23,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:23" (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 12:23:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-01 12:23:23,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:23:23,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:23:23,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-01 12:23:23,394 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:23:23,394 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-01 12:23:23,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:23:23 BoogieIcfgContainer [2020-07-01 12:23:23,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:23:23,399 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:23:23,399 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:23:23,401 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:23:23,402 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:23:23" (1/1) ... [2020-07-01 12:23:23,415 INFO L313 BlockEncoder]: Initial Icfg 31 locations, 35 edges [2020-07-01 12:23:23,417 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:23:23,417 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:23:23,418 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:23:23,418 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:23:23,420 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:23:23,421 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:23:23,421 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:23:23,441 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:23:23,466 INFO L200 BlockEncoder]: SBE split 12 edges [2020-07-01 12:23:23,471 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-07-01 12:23:23,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:23:23,504 INFO L100 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2020-07-01 12:23:23,506 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 12:23:23,508 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:23:23,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:23:23,509 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:23:23,510 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:23:23,510 INFO L313 BlockEncoder]: Encoded RCFG 23 locations, 37 edges [2020-07-01 12:23:23,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:23:23 BasicIcfg [2020-07-01 12:23:23,511 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:23:23,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:23:23,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:23:23,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:23:23,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:23:22" (1/4) ... [2020-07-01 12:23:23,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277c8597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:23:23, skipping insertion in model container [2020-07-01 12:23:23,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:23:23" (2/4) ... [2020-07-01 12:23:23,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277c8597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:23:23, skipping insertion in model container [2020-07-01 12:23:23,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:23:23" (3/4) ... [2020-07-01 12:23:23,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277c8597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:23:23, skipping insertion in model container [2020-07-01 12:23:23,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:23:23" (4/4) ... [2020-07-01 12:23:23,519 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:23:23,530 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:23:23,537 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2020-07-01 12:23:23,551 INFO L251 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-07-01 12:23:23,575 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:23:23,575 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:23:23,575 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:23:23,575 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:23:23,575 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:23:23,575 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:23:23,576 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:23:23,576 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:23:23,591 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-07-01 12:23:23,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-07-01 12:23:23,596 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:23:23,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-07-01 12:23:23,598 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-07-01 12:23:23,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:23:23,604 INFO L82 PathProgramCache]: Analyzing trace with hash 4903718, now seen corresponding path program 1 times [2020-07-01 12:23:23,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:23:23,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181551136] [2020-07-01 12:23:23,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:23:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:23:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:23:23,745 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:23:23,746 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-01 12:23:23,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-01 12:23:23,766 INFO L308 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2020-07-01 12:23:23,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:23:23 BasicIcfg [2020-07-01 12:23:23,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:23:23,771 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:23:23,771 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:23:23,774 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:23:23,774 INFO L96 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination [2020-07-01 12:23:23,774 INFO L96 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination [2020-07-01 12:23:23,775 INFO L96 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination [2020-07-01 12:23:23,775 INFO L96 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination [2020-07-01 12:23:23,775 INFO L96 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination [2020-07-01 12:23:23,775 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 12:23:23,778 INFO L168 Benchmark]: Toolchain (without parser) took 1088.74 ms. Allocated memory was 514.9 MB in the beginning and 561.0 MB in the end (delta: 46.1 MB). Free memory was 438.4 MB in the beginning and 478.5 MB in the end (delta: -40.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 50.3 GB. [2020-07-01 12:23:23,778 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 458.5 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:23:23,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.37 ms. Allocated memory was 514.9 MB in the beginning and 561.0 MB in the end (delta: 46.1 MB). Free memory was 438.4 MB in the beginning and 527.7 MB in the end (delta: -89.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:23:23,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.72 ms. Allocated memory is still 561.0 MB. Free memory was 527.7 MB in the beginning and 525.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 50.3 GB. [2020-07-01 12:23:23,780 INFO L168 Benchmark]: Boogie Preprocessor took 25.14 ms. Allocated memory is still 561.0 MB. Free memory was 525.7 MB in the beginning and 524.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:23:23,781 INFO L168 Benchmark]: RCFGBuilder took 327.02 ms. Allocated memory is still 561.0 MB. Free memory was 524.3 MB in the beginning and 505.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 50.3 GB. [2020-07-01 12:23:23,782 INFO L168 Benchmark]: BlockEncodingV2 took 112.01 ms. Allocated memory is still 561.0 MB. Free memory was 505.0 MB in the beginning and 496.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. [2020-07-01 12:23:23,782 INFO L168 Benchmark]: TraceAbstraction took 258.11 ms. Allocated memory is still 561.0 MB. Free memory was 496.2 MB in the beginning and 479.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:23:23,783 INFO L168 Benchmark]: BuchiAutomizer took 4.43 ms. Allocated memory is still 561.0 MB. Free memory is still 478.5 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:23:23,786 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 31 locations, 35 edges - StatisticsResult: Encoded RCFG 23 locations, 37 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 458.5 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 315.37 ms. Allocated memory was 514.9 MB in the beginning and 561.0 MB in the end (delta: 46.1 MB). Free memory was 438.4 MB in the beginning and 527.7 MB in the end (delta: -89.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 40.72 ms. Allocated memory is still 561.0 MB. Free memory was 527.7 MB in the beginning and 525.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 25.14 ms. Allocated memory is still 561.0 MB. Free memory was 525.7 MB in the beginning and 524.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 327.02 ms. Allocated memory is still 561.0 MB. Free memory was 524.3 MB in the beginning and 505.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 112.01 ms. Allocated memory is still 561.0 MB. Free memory was 505.0 MB in the beginning and 496.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. * TraceAbstraction took 258.11 ms. Allocated memory is still 561.0 MB. Free memory was 496.2 MB in the beginning and 479.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 4.43 ms. Allocated memory is still 561.0 MB. Free memory is still 478.5 MB. There was no memory consumed. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 9]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L19] int* numbers; [L20] int array_size = __VERIFIER_nondet_int(); [L5] int i, j, temp; [L7] i = (array_size - 1) [L7] COND TRUE i >= 0 [L8] j = 1 [L8] COND TRUE j <= i [L9] numbers[j-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, 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=23occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-07-01 12:23:19.422 ----------------------------------------------- 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_Aef359/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:23:24.020 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check