java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./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/tooDifficultLoopInvariant/ModuloInvariant-Breisach.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:24:23,824 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:24:23,826 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:24:23,838 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:24:23,838 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:24:23,839 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:24:23,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:24:23,842 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:24:23,844 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:24:23,845 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:24:23,845 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:24:23,846 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:24:23,847 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:24:23,848 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:24:23,849 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:24:23,850 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:24:23,851 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:24:23,852 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:24:23,854 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:24:23,856 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:24:23,857 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:24:23,858 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:24:23,861 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:24:23,861 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:24:23,861 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:24:23,862 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:24:23,863 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:24:23,864 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:24:23,865 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:24:23,866 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:24:23,866 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:24:23,867 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:24:23,867 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:24:23,867 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:24:23,868 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:24:23,869 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:24:23,869 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 14:24:23,877 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:24:23,878 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:24:23,879 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:24:23,879 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:24:23,879 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:24:23,880 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:24:23,880 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:24:23,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:24:23,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:24:23,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:24:23,964 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:24:23,964 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:24:23,965 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ModuloInvariant-Breisach.bpl [2018-07-25 14:24:23,965 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ModuloInvariant-Breisach.bpl' [2018-07-25 14:24:24,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:24:24,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:24:24,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:24:24,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:24:24,022 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:24:24,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:24:24" (1/1) ... [2018-07-25 14:24:24,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:24:24" (1/1) ... [2018-07-25 14:24:24,063 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 14:24:24,064 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 14:24:24,064 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 14:24:24,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:24:24,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:24:24,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:24:24,068 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:24:24,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:24:24" (1/1) ... [2018-07-25 14:24:24,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:24:24" (1/1) ... [2018-07-25 14:24:24,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:24:24" (1/1) ... [2018-07-25 14:24:24,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:24:24" (1/1) ... [2018-07-25 14:24:24,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:24:24" (1/1) ... [2018-07-25 14:24:24,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:24:24" (1/1) ... [2018-07-25 14:24:24,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:24:24" (1/1) ... [2018-07-25 14:24:24,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:24:24,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:24:24,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:24:24,093 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:24:24,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:24:24" (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 [2018-07-25 14:24:24,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-25 14:24:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-25 14:24:24,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-25 14:24:24,330 INFO L270 CfgBuilder]: Using library mode [2018-07-25 14:24:24,331 INFO L202 PluginConnector]: Adding new model ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:24:24 BoogieIcfgContainer [2018-07-25 14:24:24,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:24:24,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:24:24,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:24:24,335 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:24:24,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:24:24" (1/2) ... [2018-07-25 14:24:24,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5811be and model type ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:24:24, skipping insertion in model container [2018-07-25 14:24:24,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:24:24" (2/2) ... [2018-07-25 14:24:24,339 INFO L112 eAbstractionObserver]: Analyzing ICFG ModuloInvariant-Breisach.bpl [2018-07-25 14:24:24,349 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:24:24,357 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:24:24,404 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:24:24,405 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:24:24,405 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:24:24,406 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:24:24,406 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:24:24,406 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:24:24,406 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:24:24,406 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:24:24,407 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:24:24,421 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-07-25 14:24:24,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-25 14:24:24,430 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:24:24,431 INFO L354 BasicCegarLoop]: trace histogram [1, 1] [2018-07-25 14:24:24,432 INFO L415 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:24:24,438 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 [2018-07-25 14:24:24,466 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:24:24,569 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:24:24,569 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-25 14:24:24,573 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:24:24,578 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:24:24,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 14:24:24,581 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-07-25 14:24:24,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:24:24,636 INFO L93 Difference]: Finished difference Result 4 states and 4 transitions. [2018-07-25 14:24:24,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:24:24,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-25 14:24:24,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:24:24,646 INFO L225 Difference]: With dead ends: 4 [2018-07-25 14:24:24,647 INFO L226 Difference]: Without dead ends: 0 [2018-07-25 14:24:24,651 INFO L574 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 [2018-07-25 14:24:24,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-25 14:24:24,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-25 14:24:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-25 14:24:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-25 14:24:24,678 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2018-07-25 14:24:24,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:24:24,678 INFO L472 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-25 14:24:24,678 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:24:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-25 14:24:24,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-25 14:24:24,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-25 14:24:24,794 INFO L418 ceAbstractionStarter]: At program point L16-1(lines 16 18) the Hoare annotation is: (= (mod main_x 7) 0) [2018-07-25 14:24:24,794 INFO L425 ceAbstractionStarter]: At program point mainENTRY(lines 10 22) the Hoare annotation is: true [2018-07-25 14:24:24,795 INFO L422 ceAbstractionStarter]: For program point mainFINAL(lines 10 22) no Hoare annotation was computed. [2018-07-25 14:24:24,795 INFO L418 ceAbstractionStarter]: At program point mainEXIT(lines 10 22) the Hoare annotation is: (= (mod main_x 7) 0) [2018-07-25 14:24:24,795 INFO L418 ceAbstractionStarter]: At program point mainErr0ASSERT_VIOLATIONASSERT(line 20) the Hoare annotation is: false [2018-07-25 14:24:24,801 INFO L202 PluginConnector]: Adding new model ModuloInvariant-Breisach.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:24:24 BoogieIcfgContainer [2018-07-25 14:24:24,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:24:24,802 INFO L168 Benchmark]: Toolchain (without parser) took 782.47 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. [2018-07-25 14:24:24,805 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-07-25 14:24:24,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.90 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. [2018-07-25 14:24:24,806 INFO L168 Benchmark]: Boogie Preprocessor took 25.35 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. [2018-07-25 14:24:24,807 INFO L168 Benchmark]: RCFGBuilder took 237.97 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. [2018-07-25 14:24:24,808 INFO L168 Benchmark]: TraceAbstraction took 469.40 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. [2018-07-25 14:24:24,814 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 0.19 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 44.90 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 25.35 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 237.97 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 469.40 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: 20]: 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: 16]: Loop Invariant Derived loop invariant: x % 7 == 0 - ProcedureContractResult [Line: 10]: Procedure Contract for main Derived contract for procedure main: x % 7 == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 1 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, 12 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/ModuloInvariant-Breisach.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-24-24-827.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ModuloInvariant-Breisach.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-24-24-827.csv Received shutdown request...