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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 00:38:26,293 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 00:38:26,295 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 00:38:26,310 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-01 00:38:26,351 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-10-01 00:38:26,384 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 00:38:26,385 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 00:38:26,386 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 00:38:26,386 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 00:38:26,386 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 00:38:26,387 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 00:38:26,387 INFO L133 SettingsManager]: * Use SBE=true [2018-10-01 00:38:26,387 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 00:38:26,389 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 00:38:26,389 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 00:38:26,389 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 00:38:26,389 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 00:38:26,389 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 00:38:26,390 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 00:38:26,390 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 00:38:26,390 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 00:38:26,390 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 00:38:26,390 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 00:38:26,392 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 00:38:26,392 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-01 00:38:26,392 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 00:38:26,392 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-01 00:38:26,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-01 00:38:26,393 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 00:38:26,393 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 00:38:26,393 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 00:38:26,393 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-01 00:38:26,393 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 00:38:26,394 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 00:38:26,394 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 00:38:26,394 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 00:38:26,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 00:38:26,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 00:38:26,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 00:38:26,476 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 00:38:26,476 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 00:38:26,477 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl [2018-10-01 00:38:26,477 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl' [2018-10-01 00:38:26,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 00:38:26,554 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 00:38:26,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 00:38:26,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 00:38:26,555 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 00:38:26,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:38:26" (1/1) ... [2018-10-01 00:38:26,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:38:26" (1/1) ... [2018-10-01 00:38:26,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 00:38:26,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 00:38:26,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 00:38:26,598 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 00:38:26,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:38:26" (1/1) ... [2018-10-01 00:38:26,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:38:26" (1/1) ... [2018-10-01 00:38:26,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:38:26" (1/1) ... [2018-10-01 00:38:26,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:38:26" (1/1) ... [2018-10-01 00:38:26,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:38:26" (1/1) ... [2018-10-01 00:38:26,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:38:26" (1/1) ... [2018-10-01 00:38:26,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:38:26" (1/1) ... [2018-10-01 00:38:26,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 00:38:26,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 00:38:26,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 00:38:26,632 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 00:38:26,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:38:26" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-01 00:38:26,714 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-01 00:38:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 00:38:26,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 00:38:26,964 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 00:38:26,964 INFO L202 PluginConnector]: Adding new model nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 12:38:26 BoogieIcfgContainer [2018-10-01 00:38:26,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 00:38:26,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-01 00:38:26,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-01 00:38:26,973 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-01 00:38:26,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:38:26" (1/2) ... [2018-10-01 00:38:26,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3148024b and model type nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.10 12:38:26, skipping insertion in model container [2018-10-01 00:38:26,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 12:38:26" (2/2) ... [2018-10-01 00:38:26,976 INFO L112 eAbstractionObserver]: Analyzing ICFG nested9.i_3.bplTransformedIcfg_BEv2_4.bpl [2018-10-01 00:38:26,986 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-01 00:38:26,993 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-01 00:38:27,038 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-01 00:38:27,039 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-01 00:38:27,039 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-01 00:38:27,039 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-01 00:38:27,039 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-01 00:38:27,039 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-01 00:38:27,040 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-01 00:38:27,040 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-01 00:38:27,040 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-01 00:38:27,055 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-10-01 00:38:27,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 00:38:27,062 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 00:38:27,063 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-01 00:38:27,064 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-01 00:38:27,070 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 00:38:27,071 INFO L82 PathProgramCache]: Analyzing trace with hash 149057677, now seen corresponding path program 1 times [2018-10-01 00:38:27,073 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 00:38:27,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 00:38:27,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:38:27,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:38:27,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:38:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:38:27,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:38:27,357 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-01 00:38:27,358 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-01 00:38:27,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-01 00:38:27,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-01 00:38:27,373 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 00:38:27,375 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2018-10-01 00:38:27,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 00:38:27,611 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2018-10-01 00:38:27,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-01 00:38:27,613 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-01 00:38:27,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 00:38:27,625 INFO L225 Difference]: With dead ends: 19 [2018-10-01 00:38:27,625 INFO L226 Difference]: Without dead ends: 11 [2018-10-01 00:38:27,629 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time [2018-10-01 00:38:27,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-10-01 00:38:27,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-10-01 00:38:27,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-10-01 00:38:27,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2018-10-01 00:38:27,666 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2018-10-01 00:38:27,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 00:38:27,667 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2018-10-01 00:38:27,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-01 00:38:27,667 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-10-01 00:38:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 00:38:27,667 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 00:38:27,668 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-01 00:38:27,668 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-01 00:38:27,668 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 00:38:27,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1897199943, now seen corresponding path program 1 times [2018-10-01 00:38:27,669 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 00:38:27,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 00:38:27,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:38:27,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:38:27,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:38:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:38:27,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:38:27,853 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-01 00:38:27,854 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-01 00:38:27,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:38:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:38:27,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 00:38:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:38:28,254 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-01 00:38:28,254 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-10-01 00:38:28,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-01 00:38:28,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-01 00:38:28,255 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 00:38:28,256 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 8 states. [2018-10-01 00:38:28,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 00:38:28,765 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2018-10-01 00:38:28,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-01 00:38:28,767 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2018-10-01 00:38:28,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 00:38:28,768 INFO L225 Difference]: With dead ends: 24 [2018-10-01 00:38:28,768 INFO L226 Difference]: Without dead ends: 18 [2018-10-01 00:38:28,769 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time [2018-10-01 00:38:28,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-10-01 00:38:28,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2018-10-01 00:38:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-10-01 00:38:28,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2018-10-01 00:38:28,775 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2018-10-01 00:38:28,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 00:38:28,776 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2018-10-01 00:38:28,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-01 00:38:28,776 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-10-01 00:38:28,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 00:38:28,777 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 00:38:28,777 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-01 00:38:28,778 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-01 00:38:28,778 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 00:38:28,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1897140361, now seen corresponding path program 1 times [2018-10-01 00:38:28,779 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 00:38:28,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 00:38:28,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:38:28,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:38:28,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:38:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:38:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 00:38:28,879 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-01 00:38:28,879 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-01 00:38:28,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-01 00:38:28,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-01 00:38:28,880 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 00:38:28,880 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 4 states. [2018-10-01 00:38:28,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 00:38:28,993 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2018-10-01 00:38:28,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-01 00:38:28,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-10-01 00:38:28,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 00:38:28,998 INFO L225 Difference]: With dead ends: 21 [2018-10-01 00:38:28,998 INFO L226 Difference]: Without dead ends: 19 [2018-10-01 00:38:28,999 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-10-01 00:38:28,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-10-01 00:38:29,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 15. [2018-10-01 00:38:29,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-10-01 00:38:29,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-10-01 00:38:29,007 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2018-10-01 00:38:29,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 00:38:29,007 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-10-01 00:38:29,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-01 00:38:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-10-01 00:38:29,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 00:38:29,008 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 00:38:29,008 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-01 00:38:29,009 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-01 00:38:29,009 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 00:38:29,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1297716867, now seen corresponding path program 1 times [2018-10-01 00:38:29,009 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 00:38:29,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 00:38:29,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:38:29,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:38:29,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:38:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:38:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:38:29,382 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-01 00:38:29,382 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-01 00:38:29,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:38:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:38:29,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 00:38:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:38:29,785 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-01 00:38:29,786 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-10-01 00:38:29,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-01 00:38:29,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-01 00:38:29,787 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 00:38:29,787 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 10 states. [2018-10-01 00:38:30,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 00:38:30,434 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2018-10-01 00:38:30,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-01 00:38:30,435 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2018-10-01 00:38:30,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 00:38:30,435 INFO L225 Difference]: With dead ends: 18 [2018-10-01 00:38:30,435 INFO L226 Difference]: Without dead ends: 0 [2018-10-01 00:38:30,436 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time [2018-10-01 00:38:30,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-01 00:38:30,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-01 00:38:30,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-01 00:38:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-01 00:38:30,437 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-10-01 00:38:30,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 00:38:30,437 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-01 00:38:30,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-01 00:38:30,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-01 00:38:30,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-01 00:38:30,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-01 00:38:30,818 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 90) no Hoare annotation was computed. [2018-10-01 00:38:30,819 INFO L422 ceAbstractionStarter]: At program point L62(lines 62 69) the Hoare annotation is: (and (exists ((ULTIMATE.start_main_~i~5 Int)) (and (<= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)) (<= ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~i~5 1))) (<= ULTIMATE.start_main_~k~5 ULTIMATE.start_main_~i~5) (<= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~i~5)) [2018-10-01 00:38:30,819 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 89) no Hoare annotation was computed. [2018-10-01 00:38:30,819 INFO L422 ceAbstractionStarter]: At program point L87(lines 53 87) the Hoare annotation is: (and (exists ((ULTIMATE.start_main_~i~5 Int)) (and (<= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)) (<= ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~i~5 1))) (<= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~i~5)) [2018-10-01 00:38:30,819 INFO L422 ceAbstractionStarter]: At program point L81(lines 81 88) the Hoare annotation is: false [2018-10-01 00:38:30,820 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 90) no Hoare annotation was computed. [2018-10-01 00:38:30,820 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 90) no Hoare annotation was computed. [2018-10-01 00:38:30,820 INFO L422 ceAbstractionStarter]: At program point L59(lines 43 59) the Hoare annotation is: (or (and (<= 0 ULTIMATE.start_main_~i~5) (<= ULTIMATE.start_main_~i~5 0)) (and (<= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)) (<= ULTIMATE.start_main_~i~5 1) (<= 1 ULTIMATE.start_main_~i~5))) [2018-10-01 00:38:30,820 INFO L422 ceAbstractionStarter]: At program point L47(lines 47 54) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)))) (or (and .cse0 (<= (* 3 ULTIMATE.start_main_~i~5) ULTIMATE.start_main_~j~5) (<= 0 ULTIMATE.start_main_~i~5)) (and .cse0 (<= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~i~5)))) [2018-10-01 00:38:30,820 INFO L422 ceAbstractionStarter]: At program point L76(lines 76 82) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (exists ((ULTIMATE.start_main_~i~5 Int)) (and (<= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)) (<= ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~i~5 1))) (<= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~i~5) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) [2018-10-01 00:38:30,821 INFO L422 ceAbstractionStarter]: At program point L72(lines 68 73) the Hoare annotation is: (and (exists ((ULTIMATE.start_main_~i~5 Int)) (and (<= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)) (<= ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~i~5 1))) (<= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~i~5) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) [2018-10-01 00:38:30,833 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,834 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,834 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,836 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,837 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,837 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,838 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,838 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,839 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,840 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,840 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,840 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,841 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,842 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,842 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,843 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,844 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,844 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,845 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,845 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,846 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,847 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,847 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,847 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,849 INFO L202 PluginConnector]: Adding new model nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.10 12:38:30 BoogieIcfgContainer [2018-10-01 00:38:30,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-01 00:38:30,851 INFO L168 Benchmark]: Toolchain (without parser) took 4299.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 182.4 MB). Peak memory consumption was 182.4 MB. Max. memory is 7.1 GB. [2018-10-01 00:38:30,853 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 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. [2018-10-01 00:38:30,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.89 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. [2018-10-01 00:38:30,854 INFO L168 Benchmark]: Boogie Preprocessor took 32.89 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. [2018-10-01 00:38:30,855 INFO L168 Benchmark]: RCFGBuilder took 333.78 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. [2018-10-01 00:38:30,857 INFO L168 Benchmark]: TraceAbstraction took 3881.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 161.3 MB). Peak memory consumption was 161.3 MB. Max. memory is 7.1 GB. [2018-10-01 00:38:30,862 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 0.17 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 42.89 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 32.89 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 333.78 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 3881.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 161.3 MB). Peak memory consumption was 161.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 89]: 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: 47]: Loop Invariant Derived loop invariant: ((main_~j~5 <= 2 * main_~i~5 && 3 * main_~i~5 <= main_~j~5) && 0 <= main_~i~5) || (((main_~j~5 <= 2 * main_~i~5 && main_~i~5 <= 1) && main_~i~5 < main_~n~5) && 1 <= main_~i~5) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: (0 <= main_~i~5 && main_~i~5 <= 0) || ((main_~j~5 <= 2 * main_~i~5 && main_~i~5 <= 1) && 1 <= main_~i~5) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 76]: Loop Invariant [2018-10-01 00:38:30,874 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,874 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,874 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,875 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,876 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,876 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] Derived loop invariant: ((((1 <= __VERIFIER_assert_~cond && (exists ULTIMATE.start_main_~i~5 : int :: (main_~j~5 <= 2 * ULTIMATE.start_main_~i~5 && ULTIMATE.start_main_~i~5 <= main_~k~5) && ULTIMATE.start_main_~i~5 <= 1)) && main_~i~5 <= 1) && main_~i~5 < main_~n~5) && 1 <= main_~i~5) && 1 <= __VERIFIER_assert_#in~cond - InvariantResult [Line: 53]: Loop Invariant [2018-10-01 00:38:30,877 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,877 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,878 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,879 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,879 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,879 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] Derived loop invariant: (((exists ULTIMATE.start_main_~i~5 : int :: (main_~j~5 <= 2 * ULTIMATE.start_main_~i~5 && ULTIMATE.start_main_~i~5 <= main_~k~5) && ULTIMATE.start_main_~i~5 <= 1) && main_~i~5 <= 1) && main_~i~5 < main_~n~5) && 1 <= main_~i~5 - InvariantResult [Line: 68]: Loop Invariant [2018-10-01 00:38:30,880 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,880 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,880 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,881 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,881 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,882 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] Derived loop invariant: ((((exists ULTIMATE.start_main_~i~5 : int :: (main_~j~5 <= 2 * ULTIMATE.start_main_~i~5 && ULTIMATE.start_main_~i~5 <= main_~k~5) && ULTIMATE.start_main_~i~5 <= 1) && main_~i~5 <= 1) && main_~i~5 < main_~n~5) && 1 <= main_~i~5) && 1 <= __VERIFIER_assert_#in~cond - InvariantResult [Line: 62]: Loop Invariant [2018-10-01 00:38:30,882 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,883 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,883 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,884 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,884 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-10-01 00:38:30,884 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] Derived loop invariant: ((((exists ULTIMATE.start_main_~i~5 : int :: (main_~j~5 <= 2 * ULTIMATE.start_main_~i~5 && ULTIMATE.start_main_~i~5 <= main_~k~5) && ULTIMATE.start_main_~i~5 <= 1) && main_~k~5 <= main_~i~5) && main_~i~5 <= 1) && main_~i~5 < main_~n~5) && 1 <= main_~i~5 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 27 SDtfs, 31 SDslu, 33 SDs, 0 SdLazy, 87 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, 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, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 14 NumberOfFragments, 155 HoareAnnotationTreeSize, 7 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 60 ConstructedInterpolants, 5 QuantifiedInterpolants, 2546 SizeOfPredicates, 6 NumberOfNonLiveVariables, 85 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 13/18 InterpolantCoveringCapability, 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/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-01_00-38-30-890.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-01_00-38-30-890.csv Received shutdown request...