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/nested.c_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:53:35,267 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:53:35,269 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:53:35,285 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:53:35,286 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:53:35,287 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:53:35,288 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:53:35,290 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:53:35,292 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:53:35,293 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:53:35,294 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:53:35,294 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:53:35,295 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:53:35,296 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:53:35,297 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:53:35,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:53:35,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:53:35,300 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:53:35,303 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:53:35,304 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:53:35,306 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:53:35,307 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:53:35,310 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:53:35,310 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:53:35,310 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:53:35,311 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:53:35,316 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:53:35,320 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:53:35,321 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:53:35,322 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:53:35,322 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:53:35,325 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-26 08:53:35,329 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 08:53:35,344 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:53:35,344 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:53:35,349 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:53:35,349 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:53:35,349 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:53:35,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:53:35,350 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:53:35,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:53:35,436 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:53:35,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:53:35,442 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:53:35,442 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:53:35,443 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl [2018-09-26 08:53:35,443 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl' [2018-09-26 08:53:35,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:53:35,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:53:35,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:53:35,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:53:35,503 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:53:35,524 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 08:53:35" (1/1) ... [2018-09-26 08:53:35,537 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 08:53:35" (1/1) ... [2018-09-26 08:53:35,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:53:35,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:53:35,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:53:35,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:53:35,559 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 08:53:35" (1/1) ... [2018-09-26 08:53:35,559 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 08:53:35" (1/1) ... [2018-09-26 08:53:35,560 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 08:53:35" (1/1) ... [2018-09-26 08:53:35,560 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 08:53:35" (1/1) ... [2018-09-26 08:53:35,564 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 08:53:35" (1/1) ... [2018-09-26 08:53:35,566 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 08:53:35" (1/1) ... [2018-09-26 08:53:35,567 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 08:53:35" (1/1) ... [2018-09-26 08:53:35,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:53:35,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:53:35,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:53:35,569 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:53:35,570 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 08:53:35" (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 08:53:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:53:35,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:53:35,839 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:53:35,840 INFO L202 PluginConnector]: Adding new model nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:53:35 BoogieIcfgContainer [2018-09-26 08:53:35,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:53:35,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:53:35,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:53:35,845 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:53:35,845 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 08:53:35" (1/2) ... [2018-09-26 08:53:35,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac6520c and model type nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:53:35, skipping insertion in model container [2018-09-26 08:53:35,846 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 08:53:35" (2/2) ... [2018-09-26 08:53:35,849 INFO L112 eAbstractionObserver]: Analyzing ICFG nested.c_4.bpl [2018-09-26 08:53:35,859 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:53:35,867 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:53:35,914 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:53:35,915 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:53:35,916 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:53:35,916 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:53:35,916 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:53:35,916 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:53:35,917 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:53:35,917 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:53:35,917 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:53:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:53:35,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:53:35,943 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:53:35,944 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:53:35,945 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:53:35,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:53:35,952 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 08:53:35,980 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:53:36,256 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2018-09-26 08:53:36,368 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:53:36,369 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:53:36,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:53:36,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:53:36,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:53:36,382 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 08:53:36,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:53:36,431 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:53:36,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:53:36,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 08:53:36,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:53:36,445 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:53:36,446 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:53:36,449 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:53:36,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:53:36,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:53:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:53:36,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:53:36,485 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:53:36,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:53:36,485 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:53:36,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:53:36,486 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:53:36,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:53:36,486 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:53:36,486 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:53:36,487 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:53:36,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:53:36,487 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:53:36,498 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:53:36,631 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2018-09-26 08:53:37,016 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-09-26 08:53:37,105 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:53:37,105 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:53:37,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:53:37,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:53:37,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:53:37,108 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 3 states. [2018-09-26 08:53:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:53:37,118 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-09-26 08:53:37,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:53:37,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-09-26 08:53:37,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:53:37,119 INFO L225 Difference]: With dead ends: 7 [2018-09-26 08:53:37,119 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:53:37,121 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:53:37,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:53:37,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:53:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:53:37,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:53:37,122 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-09-26 08:53:37,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:53:37,122 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:53:37,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:53:37,123 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:53:37,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:53:37,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:53:37,317 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 3 64) the Hoare annotation is: false [2018-09-26 08:53:37,318 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 63) the Hoare annotation is: false [2018-09-26 08:53:37,318 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 3 64) the Hoare annotation is: true [2018-09-26 08:53:37,319 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 08:53:37,319 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 3 64) no Hoare annotation was computed. [2018-09-26 08:53:37,319 INFO L422 ceAbstractionStarter]: At program point L53(lines 53 62) the Hoare annotation is: false [2018-09-26 08:53:37,320 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 08:53:37,331 INFO L202 PluginConnector]: Adding new model nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:53:37 BoogieIcfgContainer [2018-09-26 08:53:37,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:53:37,333 INFO L168 Benchmark]: Toolchain (without parser) took 1833.83 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: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2018-09-26 08:53:37,334 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 08:53:37,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.16 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 08:53:37,335 INFO L168 Benchmark]: Boogie Preprocessor took 22.30 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 08:53:37,336 INFO L168 Benchmark]: RCFGBuilder took 271.26 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 08:53:37,337 INFO L168 Benchmark]: TraceAbstraction took 1490.69 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: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2018-09-26 08:53:37,341 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 43.16 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 22.30 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 271.26 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 1490.69 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: 76.7 MB). Peak memory consumption was 76.7 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, 1.4s 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, 0.7s 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, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.9s 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-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-53-37-357.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested.c_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-53-37-357.csv Received shutdown request...