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-smtinterpol.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:42:06,760 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:42:06,763 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:42:06,781 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:42:06,782 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:42:06,784 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:42:06,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:42:06,788 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:42:06,797 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:42:06,798 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:42:06,801 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:42:06,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:42:06,803 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:42:06,807 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:42:06,811 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:42:06,813 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:42:06,814 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:42:06,816 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:42:06,821 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:42:06,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:42:06,828 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:42:06,830 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:42:06,836 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:42:06,836 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:42:06,836 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:42:06,840 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:42:06,841 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:42:06,842 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:42:06,843 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:42:06,847 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:42:06,847 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:42:06,848 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-26 09:42:06,853 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-09-26 09:42:06,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:42:06,867 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:42:06,869 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:42:06,869 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:42:06,870 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:42:06,870 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:42:06,870 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:42:06,871 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:42:06,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:42:06,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:42:06,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:42:06,967 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:42:06,968 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:42:06,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl [2018-09-26 09:42:06,969 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl' [2018-09-26 09:42:07,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:42:07,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:42:07,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:42:07,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:42:07,057 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:42:07,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:42:07" (1/1) ... [2018-09-26 09:42:07,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:42:07" (1/1) ... [2018-09-26 09:42:07,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:42:07,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:42:07,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:42:07,104 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:42:07,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:42:07" (1/1) ... [2018-09-26 09:42:07,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:42:07" (1/1) ... [2018-09-26 09:42:07,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:42:07" (1/1) ... [2018-09-26 09:42:07,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:42:07" (1/1) ... [2018-09-26 09:42:07,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:42:07" (1/1) ... [2018-09-26 09:42:07,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:42:07" (1/1) ... [2018-09-26 09:42:07,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:42:07" (1/1) ... [2018-09-26 09:42:07,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:42:07,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:42:07,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:42:07,128 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:42:07,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:42:07" (1/1) ... [2018-09-26 09:42:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:42:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:42:07,363 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:42:07,364 INFO L202 PluginConnector]: Adding new model nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:42:07 BoogieIcfgContainer [2018-09-26 09:42:07,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:42:07,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:42:07,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:42:07,370 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:42:07,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:42:07" (1/2) ... [2018-09-26 09:42:07,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799aee09 and model type nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:42:07, skipping insertion in model container [2018-09-26 09:42:07,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:42:07" (2/2) ... [2018-09-26 09:42:07,375 INFO L112 eAbstractionObserver]: Analyzing ICFG nested.c_4.bpl [2018-09-26 09:42:07,386 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:42:07,398 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:42:07,452 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:42:07,453 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:42:07,454 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:42:07,454 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:42:07,454 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:42:07,454 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:42:07,454 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:42:07,455 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:42:07,455 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:42:07,474 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:42:07,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:42:07,488 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:42:07,493 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:42:07,494 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:42:07,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:42:07,507 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-26 09:42:07,514 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:42:07,747 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:42:07,747 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:42:07,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:42:07,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:42:07,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:42:07,764 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 09:42:07,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:42:07,792 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 09:42:07,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:42:07,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 09:42:07,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:42:07,806 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:42:07,806 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:42:07,811 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 09:42:07,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:42:07,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:42:07,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:42:07,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 09:42:07,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 09:42:07,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:42:07,859 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 09:42:07,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:42:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 09:42:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:42:07,861 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:42:07,861 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 09:42:07,862 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:42:07,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:42:07,862 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-26 09:42:07,862 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:42:08,188 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:42:08,188 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:42:08,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:42:08,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:42:08,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-26 09:42:08,191 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 3 states. [2018-09-26 09:42:08,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:42:08,197 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-09-26 09:42:08,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:42:08,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-09-26 09:42:08,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:42:08,199 INFO L225 Difference]: With dead ends: 7 [2018-09-26 09:42:08,199 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 09:42:08,200 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-26 09:42:08,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 09:42:08,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 09:42:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 09:42:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 09:42:08,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-09-26 09:42:08,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:42:08,202 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 09:42:08,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:42:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 09:42:08,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 09:42:08,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 09:42:08,337 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 3 64) the Hoare annotation is: false [2018-09-26 09:42:08,337 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 63) the Hoare annotation is: false [2018-09-26 09:42:08,338 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 3 64) the Hoare annotation is: true [2018-09-26 09:42:08,341 INFO L422 ceAbstractionStarter]: At program point L61(lines 36 61) the Hoare annotation is: (let ((.cse1 (= (+ ULTIMATE.start_main_~a~5 3) (+ ULTIMATE.start_main_~b~5 3))) (.cse0 (+ ~last 1))) (and (or (< ULTIMATE.start_main_~c~5 200000) (not (= ULTIMATE.start_main_~c~5 .cse0)) (not (= (ite (and .cse1 (= ULTIMATE.start_main_~c~5 200000)) 1 0) 0)) (not (= ULTIMATE.start_main_~st~5 0))) (or (< ~last 199999) (<= 200000 ULTIMATE.start_main_~c~5) (not (= (ite (and .cse1 (= 200000 .cse0)) 1 0) 0)) (not (= ULTIMATE.start_main_~c~5 ~last))))) [2018-09-26 09:42:08,342 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 3 64) no Hoare annotation was computed. [2018-09-26 09:42:08,342 INFO L422 ceAbstractionStarter]: At program point L53(lines 53 62) the Hoare annotation is: false [2018-09-26 09:42:08,343 INFO L422 ceAbstractionStarter]: At program point L39(lines 39 54) the Hoare annotation is: (let ((.cse1 (= (+ ULTIMATE.start_main_~a~5 3) (+ ULTIMATE.start_main_~b~5 3))) (.cse0 (+ ~last 1))) (and (or (< ULTIMATE.start_main_~c~5 200000) (not (= ULTIMATE.start_main_~c~5 .cse0)) (not (= (ite (and .cse1 (= ULTIMATE.start_main_~c~5 200000)) 1 0) 0)) (not (= ULTIMATE.start_main_~st~5 0))) (or (< ~last 199999) (<= 200000 ULTIMATE.start_main_~c~5) (not (= (ite (and .cse1 (= 200000 .cse0)) 1 0) 0)) (not (= ULTIMATE.start_main_~c~5 ~last))))) [2018-09-26 09:42:08,366 INFO L202 PluginConnector]: Adding new model nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:42:08 BoogieIcfgContainer [2018-09-26 09:42:08,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:42:08,368 INFO L168 Benchmark]: Toolchain (without parser) took 1315.76 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-26 09:42:08,371 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 09:42:08,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.80 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 09:42:08,373 INFO L168 Benchmark]: Boogie Preprocessor took 23.43 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 09:42:08,375 INFO L168 Benchmark]: RCFGBuilder took 237.02 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:42:08,376 INFO L168 Benchmark]: TraceAbstraction took 1000.98 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-26 09:42:08,383 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 0.21 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 46.80 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 23.43 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 237.02 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1000.98 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 63]: 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: 53]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((main_~c~5 < 200000 || !(main_~c~5 == ~last + 1)) || !((if main_~a~5 + 3 == main_~b~5 + 3 && main_~c~5 == 200000 then 1 else 0) == 0)) || !(main_~st~5 == 0)) && (((~last < 199999 || 200000 <= main_~c~5) || !((if main_~a~5 + 3 == main_~b~5 + 3 && 200000 == ~last + 1 then 1 else 0) == 0)) || !(main_~c~5 == ~last)) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((main_~c~5 < 200000 || !(main_~c~5 == ~last + 1)) || !((if main_~a~5 + 3 == main_~b~5 + 3 && main_~c~5 == 200000 then 1 else 0) == 0)) || !(main_~st~5 == 0)) && (((~last < 199999 || 200000 <= main_~c~5) || !((if main_~a~5 + 3 == main_~b~5 + 3 && 200000 == ~last + 1 then 1 else 0) == 0)) || !(main_~c~5 == ~last)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 134 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s 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/nested.c_4.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-42-08-419.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested.c_4.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-42-08-419.csv Received shutdown request...