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.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 21:16:58,739 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 21:16:58,742 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 21:16:58,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 21:16:58,754 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 21:16:58,755 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 21:16:58,757 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 21:16:58,759 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 21:16:58,761 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 21:16:58,762 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 21:16:58,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 21:16:58,763 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 21:16:58,764 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 21:16:58,765 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 21:16:58,766 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 21:16:58,767 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 21:16:58,768 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 21:16:58,770 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 21:16:58,772 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 21:16:58,774 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 21:16:58,775 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 21:16:58,776 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 21:16:58,779 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-26 21:16:58,788 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-26 21:16:58,804 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 21:16:58,804 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 21:16:58,805 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 21:16:58,805 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 21:16:58,806 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 21:16:58,806 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 21:16:58,806 INFO L133 SettingsManager]: * Use SBE=true [2018-09-26 21:16:58,807 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 21:16:58,807 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 21:16:58,807 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 21:16:58,807 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 21:16:58,807 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 21:16:58,808 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 21:16:58,808 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 21:16:58,808 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 21:16:58,808 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 21:16:58,808 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 21:16:58,809 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 21:16:58,809 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 21:16:58,809 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-26 21:16:58,809 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 21:16:58,809 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-26 21:16:58,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-26 21:16:58,810 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 21:16:58,810 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 21:16:58,811 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 21:16:58,811 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-26 21:16:58,811 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 21:16:58,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 21:16:58,811 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 21:16:58,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 21:16:58,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 21:16:58,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 21:16:58,881 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 21:16:58,881 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 21:16:58,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl [2018-09-26 21:16:58,883 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl' [2018-09-26 21:16:58,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 21:16:58,960 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 21:16:58,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 21:16:58,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 21:16:58,962 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 21:16:58,984 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 26.09 09:16:58" (1/1) ... [2018-09-26 21:16:58,998 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 26.09 09:16:58" (1/1) ... [2018-09-26 21:16:59,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 21:16:59,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 21:16:59,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 21:16:59,008 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 21:16:59,020 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 26.09 09:16:58" (1/1) ... [2018-09-26 21:16:59,021 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 26.09 09:16:58" (1/1) ... [2018-09-26 21:16:59,022 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 26.09 09:16:58" (1/1) ... [2018-09-26 21:16:59,022 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 26.09 09:16:58" (1/1) ... [2018-09-26 21:16:59,027 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 26.09 09:16:58" (1/1) ... [2018-09-26 21:16:59,030 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 26.09 09:16:58" (1/1) ... [2018-09-26 21:16:59,032 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 26.09 09:16:58" (1/1) ... [2018-09-26 21:16:59,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 21:16:59,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 21:16:59,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 21:16:59,034 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 21:16:59,041 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 26.09 09:16:58" (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 [2018-09-26 21:16:59,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 21:16:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 21:16:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 21:16:59,465 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 21:16:59,465 INFO L202 PluginConnector]: Adding new model nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:16:59 BoogieIcfgContainer [2018-09-26 21:16:59,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 21:16:59,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 21:16:59,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 21:16:59,470 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 21:16:59,471 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 26.09 09:16:58" (1/2) ... [2018-09-26 21:16:59,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64af1148 and model type nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:16:59, skipping insertion in model container [2018-09-26 21:16:59,472 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 26.09 09:16:59" (2/2) ... [2018-09-26 21:16:59,474 INFO L112 eAbstractionObserver]: Analyzing ICFG nested9.i_3.bplTransformedIcfg_BEv2_4.bpl [2018-09-26 21:16:59,484 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-26 21:16:59,493 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 21:16:59,546 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 21:16:59,546 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 21:16:59,547 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 21:16:59,547 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-26 21:16:59,547 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 21:16:59,547 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 21:16:59,547 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 21:16:59,548 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 21:16:59,548 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 21:16:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-09-26 21:16:59,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 21:16:59,572 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:16:59,578 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 21:16:59,579 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:16:59,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:16:59,586 INFO L82 PathProgramCache]: Analyzing trace with hash 149057677, now seen corresponding path program 1 times [2018-09-26 21:16:59,588 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:16:59,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:16:59,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:16:59,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:16:59,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:16:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:16:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:16:59,850 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:16:59,850 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 21:16:59,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 21:16:59,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 21:16:59,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 21:16:59,878 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2018-09-26 21:17:00,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:17:00,009 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2018-09-26 21:17:00,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 21:17:00,011 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-09-26 21:17:00,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:17:00,022 INFO L225 Difference]: With dead ends: 19 [2018-09-26 21:17:00,022 INFO L226 Difference]: Without dead ends: 11 [2018-09-26 21:17:00,026 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-26 21:17:00,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-09-26 21:17:00,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-09-26 21:17:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-09-26 21:17:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2018-09-26 21:17:00,065 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2018-09-26 21:17:00,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:17:00,065 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2018-09-26 21:17:00,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 21:17:00,066 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-09-26 21:17:00,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 21:17:00,066 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:17:00,066 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 21:17:00,067 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:17:00,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:17:00,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1897199943, now seen corresponding path program 1 times [2018-09-26 21:17:00,067 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:17:00,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:17:00,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:17:00,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:17:00,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:17:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:17:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:17:00,179 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-26 21:17:00,179 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 [2018-09-26 21:17:00,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:17:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:17:00,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 21:17:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:17:00,667 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-09-26 21:17:00,667 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-09-26 21:17:00,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-26 21:17:00,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-26 21:17:00,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-09-26 21:17:00,669 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 8 states. [2018-09-26 21:17:01,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:17:01,029 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2018-09-26 21:17:01,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-26 21:17:01,030 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2018-09-26 21:17:01,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:17:01,031 INFO L225 Difference]: With dead ends: 24 [2018-09-26 21:17:01,031 INFO L226 Difference]: Without dead ends: 18 [2018-09-26 21:17:01,033 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-09-26 21:17:01,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-09-26 21:17:01,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2018-09-26 21:17:01,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-09-26 21:17:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2018-09-26 21:17:01,039 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2018-09-26 21:17:01,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:17:01,039 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2018-09-26 21:17:01,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-26 21:17:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-09-26 21:17:01,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 21:17:01,040 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:17:01,041 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 21:17:01,042 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:17:01,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:17:01,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1897140361, now seen corresponding path program 1 times [2018-09-26 21:17:01,042 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:17:01,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:17:01,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:17:01,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:17:01,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:17:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:17:01,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 21:17:01,128 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:17:01,129 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 21:17:01,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 21:17:01,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 21:17:01,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 21:17:01,130 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 4 states. [2018-09-26 21:17:01,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:17:01,251 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2018-09-26 21:17:01,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 21:17:01,252 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-09-26 21:17:01,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:17:01,256 INFO L225 Difference]: With dead ends: 21 [2018-09-26 21:17:01,256 INFO L226 Difference]: Without dead ends: 19 [2018-09-26 21:17:01,256 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-26 21:17:01,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-09-26 21:17:01,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 15. [2018-09-26 21:17:01,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-09-26 21:17:01,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-09-26 21:17:01,267 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2018-09-26 21:17:01,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:17:01,267 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-09-26 21:17:01,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 21:17:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-09-26 21:17:01,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 21:17:01,269 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:17:01,269 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 21:17:01,269 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:17:01,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:17:01,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1297716867, now seen corresponding path program 1 times [2018-09-26 21:17:01,270 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:17:01,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:17:01,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:17:01,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:17:01,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:17:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:17:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:17:01,406 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-26 21:17:01,406 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 [2018-09-26 21:17:01,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:17:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:17:01,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 21:17:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:17:01,680 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-26 21:17:01,680 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-09-26 21:17:01,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-26 21:17:01,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-26 21:17:01,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-26 21:17:01,682 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 10 states. [2018-09-26 21:17:01,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:17:01,905 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2018-09-26 21:17:01,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-26 21:17:01,906 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2018-09-26 21:17:01,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:17:01,906 INFO L225 Difference]: With dead ends: 18 [2018-09-26 21:17:01,906 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 21:17:01,907 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2018-09-26 21:17:01,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 21:17:01,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 21:17:01,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 21:17:01,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 21:17:01,908 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-09-26 21:17:01,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:17:01,909 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 21:17:01,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-26 21:17:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 21:17:01,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 21:17:01,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 21:17:02,416 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 19 [2018-09-26 21:17:02,574 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 90) no Hoare annotation was computed. [2018-09-26 21:17:02,574 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)) [2018-09-26 21:17:02,575 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)) [2018-09-26 21:17:02,575 INFO L422 ceAbstractionStarter]: At program point L81(lines 81 88) the Hoare annotation is: false [2018-09-26 21:17:02,575 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 89) no Hoare annotation was computed. [2018-09-26 21:17:02,575 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 90) no Hoare annotation was computed. [2018-09-26 21:17:02,575 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 90) no Hoare annotation was computed. [2018-09-26 21:17:02,575 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))) [2018-09-26 21:17:02,576 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 (<= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~i~5)) (and .cse0 (<= (* 3 ULTIMATE.start_main_~i~5) ULTIMATE.start_main_~j~5) (<= 0 ULTIMATE.start_main_~i~5)))) [2018-09-26 21:17:02,576 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|)) [2018-09-26 21:17:02,576 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|)) [2018-09-26 21:17:02,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,590 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,590 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,592 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,594 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,596 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,596 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,597 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,598 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,598 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,599 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,600 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,600 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,600 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,602 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,602 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,602 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,604 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,604 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,604 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,606 INFO L202 PluginConnector]: Adding new model nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:17:02 BoogieIcfgContainer [2018-09-26 21:17:02,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 21:17:02,607 INFO L168 Benchmark]: Toolchain (without parser) took 3649.85 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: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 7.1 GB. [2018-09-26 21:17:02,609 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 21:17:02,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.50 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 21:17:02,610 INFO L168 Benchmark]: Boogie Preprocessor took 26.40 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 21:17:02,611 INFO L168 Benchmark]: RCFGBuilder took 431.51 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. [2018-09-26 21:17:02,612 INFO L168 Benchmark]: TraceAbstraction took 3139.90 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: 119.0 MB). Peak memory consumption was 119.0 MB. Max. memory is 7.1 GB. [2018-09-26 21:17:02,617 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 45.50 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 26.40 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 431.51 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 3139.90 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: 119.0 MB). Peak memory consumption was 119.0 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 && main_~i~5 <= 1) && main_~i~5 < main_~n~5) && 1 <= main_~i~5) || ((main_~j~5 <= 2 * main_~i~5 && 3 * main_~i~5 <= main_~j~5) && 0 <= 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 [2018-09-26 21:17:02,629 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,629 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,629 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,630 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,631 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,631 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 [2018-09-26 21:17:02,632 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,633 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,633 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,634 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,634 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,634 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 [2018-09-26 21:17:02,635 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,636 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,636 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,637 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,637 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,637 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 [2018-09-26 21:17:02,638 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,638 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,639 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,639 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,640 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-26 21:17:02,640 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, 3.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 27 SDtfs, 56 SDslu, 31 SDs, 0 SdLazy, 79 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s 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, 57 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s 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.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_21-17-02-646.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_21-17-02-646.csv Received shutdown request...