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/20170304-DifficultPathPrograms/phases1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:06:35,666 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:06:35,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:06:35,680 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:06:35,680 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:06:35,681 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:06:35,682 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:06:35,684 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:06:35,686 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:06:35,687 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:06:35,688 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:06:35,688 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:06:35,689 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:06:35,690 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:06:35,691 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:06:35,692 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:06:35,693 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:06:35,697 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:06:35,700 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:06:35,701 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:06:35,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:06:35,707 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:06:35,713 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:06:35,713 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:06:35,714 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:06:35,715 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:06:35,716 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:06:35,716 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:06:35,717 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:06:35,720 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:06:35,720 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:06:35,721 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:06:35,721 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:06:35,721 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:06:35,722 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:06:35,723 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:06:35,725 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 09:06:35,738 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:06:35,738 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:06:35,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:06:35,741 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:06:35,742 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:06:35,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:06:35,742 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:06:35,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:06:35,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:06:35,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:06:35,825 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:06:35,826 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:06:35,827 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/phases1.i_3.bpl [2018-09-26 09:06:35,827 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/phases1.i_3.bpl' [2018-09-26 09:06:35,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:06:35,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:06:35,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:06:35,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:06:35,893 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:06:35,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:06:35" (1/1) ... [2018-09-26 09:06:35,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:06:35" (1/1) ... [2018-09-26 09:06:35,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:06:35,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:06:35,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:06:35,937 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:06:35,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:06:35" (1/1) ... [2018-09-26 09:06:35,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:06:35" (1/1) ... [2018-09-26 09:06:35,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:06:35" (1/1) ... [2018-09-26 09:06:35,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:06:35" (1/1) ... [2018-09-26 09:06:35,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:06:35" (1/1) ... [2018-09-26 09:06:35,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:06:35" (1/1) ... [2018-09-26 09:06:35,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:06:35" (1/1) ... [2018-09-26 09:06:35,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:06:35,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:06:35,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:06:35,960 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:06:35,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:06:35" (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 09:06:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:06:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:06:36,284 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:06:36,284 INFO L202 PluginConnector]: Adding new model phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:06:36 BoogieIcfgContainer [2018-09-26 09:06:36,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:06:36,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:06:36,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:06:36,290 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:06:36,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:06:35" (1/2) ... [2018-09-26 09:06:36,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f53bad and model type phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:06:36, skipping insertion in model container [2018-09-26 09:06:36,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:06:36" (2/2) ... [2018-09-26 09:06:36,294 INFO L112 eAbstractionObserver]: Analyzing ICFG phases1.i_3.bpl [2018-09-26 09:06:36,304 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:06:36,312 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:06:36,359 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:06:36,360 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:06:36,360 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:06:36,360 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:06:36,360 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:06:36,360 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:06:36,361 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:06:36,361 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:06:36,361 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:06:36,376 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:06:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:06:36,385 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:06:36,386 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:06:36,387 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:06:36,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:06:36,394 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, 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 09:06:36,426 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:06:36,624 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:06:36,625 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:06:36,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:06:36,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:06:36,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:06:36,639 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 09:06:36,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:06:36,691 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2018-09-26 09:06:36,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:06:36,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 09:06:36,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:06:36,720 INFO L225 Difference]: With dead ends: 6 [2018-09-26 09:06:36,720 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 09:06:36,729 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:06:36,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 09:06:36,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 09:06:36,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 09:06:36,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 09:06:36,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2018-09-26 09:06:36,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:06:36,785 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 09:06:36,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:06:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 09:06:36,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 09:06:36,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 09:06:36,951 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 35) the Hoare annotation is: false [2018-09-26 09:06:36,952 INFO L422 ceAbstractionStarter]: At program point L32(lines 12 32) the Hoare annotation is: (let ((.cse1 (mod ULTIMATE.start_main_~x~4 4294967296))) (or (not (= (ite (= (mod (let ((.cse0 (mod ULTIMATE.start_main_~x~4 2))) (ite (and (not (= 0 .cse0)) (< .cse1 0)) (+ .cse0 (- 2)) .cse0)) 4294967296) 0) 1 0) 0)) (< .cse1 268435455))) [2018-09-26 09:06:36,952 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 35) the Hoare annotation is: true [2018-09-26 09:06:36,952 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 35) no Hoare annotation was computed. [2018-09-26 09:06:36,952 INFO L422 ceAbstractionStarter]: At program point L25(lines 25 33) the Hoare annotation is: false [2018-09-26 09:06:36,953 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 34) the Hoare annotation is: false [2018-09-26 09:06:36,953 INFO L422 ceAbstractionStarter]: At program point L15(lines 15 26) the Hoare annotation is: (let ((.cse1 (mod ULTIMATE.start_main_~x~4 4294967296))) (or (not (= (ite (= (mod (let ((.cse0 (mod ULTIMATE.start_main_~x~4 2))) (ite (and (not (= 0 .cse0)) (< .cse1 0)) (+ .cse0 (- 2)) .cse0)) 4294967296) 0) 1 0) 0)) (< .cse1 268435455))) [2018-09-26 09:06:36,963 INFO L202 PluginConnector]: Adding new model phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:06:36 BoogieIcfgContainer [2018-09-26 09:06:36,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:06:36,964 INFO L168 Benchmark]: Toolchain (without parser) took 1075.92 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-09-26 09:06:36,966 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 09:06:36,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.34 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 09:06:36,968 INFO L168 Benchmark]: Boogie Preprocessor took 23.19 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. [2018-09-26 09:06:36,968 INFO L168 Benchmark]: RCFGBuilder took 325.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:06:36,970 INFO L168 Benchmark]: TraceAbstraction took 676.41 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-09-26 09:06:36,974 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 0.20 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 43.34 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 23.19 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. * RCFGBuilder took 325.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 676.41 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 34]: 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: 15]: Loop Invariant Derived loop invariant: !((if (if !(0 == main_~x~4 % 2) && main_~x~4 % 4294967296 < 0 then main_~x~4 % 2 + -2 else main_~x~4 % 2) % 4294967296 == 0 then 1 else 0) == 0) || main_~x~4 % 4294967296 < 268435455 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: !((if (if !(0 == main_~x~4 % 2) && main_~x~4 % 4294967296 < 0 then main_~x~4 % 2 + -2 else main_~x~4 % 2) % 4294967296 == 0 then 1 else 0) == 0) || main_~x~4 % 4294967296 < 268435455 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 80 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s 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/phases1.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-06-36-987.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/phases1.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-06-36-987.csv Received shutdown request...