java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/toy/nonlinear/InterpolationPaperExampleCandidate01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:21:00,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:21:00,707 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:21:00,724 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:21:00,724 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:21:00,725 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:21:00,726 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:21:00,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:21:00,730 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:21:00,731 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:21:00,732 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:21:00,732 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:21:00,733 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:21:00,734 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:21:00,737 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:21:00,738 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:21:00,739 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:21:00,741 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:21:00,743 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:21:00,745 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:21:00,746 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:21:00,747 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:21:00,749 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:21:00,749 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:21:00,750 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:21:00,750 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:21:00,751 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:21:00,752 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:21:00,753 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:21:00,754 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:21:00,754 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:21:00,755 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:21:00,755 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:21:00,755 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:21:00,756 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:21:00,757 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:21:00,757 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 09:21:00,769 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:21:00,769 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:21:00,770 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:21:00,770 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:21:00,771 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:21:00,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:21:00,771 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:21:00,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:21:00,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:21:00,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:21:00,834 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:21:00,834 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:21:00,835 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/InterpolationPaperExampleCandidate01.bpl [2018-09-26 09:21:00,835 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/InterpolationPaperExampleCandidate01.bpl' [2018-09-26 09:21:00,888 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:21:00,896 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:21:00,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:21:00,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:21:00,897 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:21:00,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:00" (1/1) ... [2018-09-26 09:21:00,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:00" (1/1) ... [2018-09-26 09:21:00,939 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:21:00,939 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:21:00,939 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:21:00,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:21:00,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:21:00,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:21:00,943 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:21:00,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:00" (1/1) ... [2018-09-26 09:21:00,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:00" (1/1) ... [2018-09-26 09:21:00,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:00" (1/1) ... [2018-09-26 09:21:00,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:00" (1/1) ... [2018-09-26 09:21:00,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:00" (1/1) ... [2018-09-26 09:21:00,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:00" (1/1) ... [2018-09-26 09:21:00,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:00" (1/1) ... [2018-09-26 09:21:00,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:21:00,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:21:00,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:21:00,967 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:21:00,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-09-26 09:21:01,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 09:21:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 09:21:01,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 09:21:01,193 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:21:01,193 INFO L202 PluginConnector]: Adding new model InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:21:01 BoogieIcfgContainer [2018-09-26 09:21:01,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:21:01,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:21:01,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:21:01,198 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:21:01,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:00" (1/2) ... [2018-09-26 09:21:01,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eda1686 and model type InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:21:01, skipping insertion in model container [2018-09-26 09:21:01,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:21:01" (2/2) ... [2018-09-26 09:21:01,202 INFO L112 eAbstractionObserver]: Analyzing ICFG InterpolationPaperExampleCandidate01.bpl [2018-09-26 09:21:01,213 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:21:01,222 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:21:01,277 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:21:01,278 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:21:01,278 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:21:01,278 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:21:01,278 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:21:01,279 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:21:01,279 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:21:01,279 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:21:01,279 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:21:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-09-26 09:21:01,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 09:21:01,319 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:21:01,319 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-26 09:21:01,320 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:21:01,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:21:01,327 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:21:01,345 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:21:01,427 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:21:01,428 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-26 09:21:01,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:21:01,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:21:01,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 09:21:01,441 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-09-26 09:21:01,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:21:01,461 INFO L93 Difference]: Finished difference Result 4 states and 4 transitions. [2018-09-26 09:21:01,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:21:01,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-09-26 09:21:01,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:21:01,474 INFO L225 Difference]: With dead ends: 4 [2018-09-26 09:21:01,476 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 09:21:01,481 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 09:21:01,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 09:21:01,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 09:21:01,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 09:21:01,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 09:21:01,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2018-09-26 09:21:01,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:21:01,509 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 09:21:01,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:21:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 09:21:01,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 09:21:01,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 09:21:01,635 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 8 18) the Hoare annotation is: true [2018-09-26 09:21:01,636 INFO L422 ceAbstractionStarter]: At program point mainErr0ASSERT_VIOLATIONASSERT(line 17) the Hoare annotation is: false [2018-09-26 09:21:01,636 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 8 18) no Hoare annotation was computed. [2018-09-26 09:21:01,636 INFO L422 ceAbstractionStarter]: At program point L13-1(lines 13 16) the Hoare annotation is: (not (= (+ main_x 1) 0)) [2018-09-26 09:21:01,636 INFO L422 ceAbstractionStarter]: At program point mainEXIT(lines 8 18) the Hoare annotation is: (not (= (+ main_x 1) 0)) [2018-09-26 09:21:01,655 INFO L202 PluginConnector]: Adding new model InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:21:01 BoogieIcfgContainer [2018-09-26 09:21:01,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:21:01,658 INFO L168 Benchmark]: Toolchain (without parser) took 769.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:01,661 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:21:01,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:21:01,663 INFO L168 Benchmark]: Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:21:01,665 INFO L168 Benchmark]: RCFGBuilder took 226.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:01,666 INFO L168 Benchmark]: TraceAbstraction took 460.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:01,673 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 226.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 460.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: !(x + 1 == 0) - ProcedureContractResult [Line: 8]: Procedure Contract for main Derived contract for procedure main: !(x + 1 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 14 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/InterpolationPaperExampleCandidate01.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-21-01-693.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/InterpolationPaperExampleCandidate01.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-21-01-693.csv Received shutdown request...