java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:41:42,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:41:42,689 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:41:42,706 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:41:42,707 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:41:42,708 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:41:42,709 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:41:42,711 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:41:42,714 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:41:42,716 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:41:42,717 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:41:42,718 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:41:42,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:41:42,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:41:42,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:41:42,725 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:41:42,726 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:41:42,736 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:41:42,738 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:41:42,739 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:41:42,740 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:41:42,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:41:42,744 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:41:42,744 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:41:42,744 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:41:42,745 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:41:42,746 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:41:42,746 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:41:42,747 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:41:42,748 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:41:42,748 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:41:42,749 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:41:42,753 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 13:41:42,777 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:41:42,777 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:41:42,781 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:41:42,782 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:41:42,782 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:41:42,782 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:41:42,782 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:41:42,783 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:41:42,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:41:42,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:41:42,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:41:42,871 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:41:42,872 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:41:42,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl [2018-07-23 13:41:42,873 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl' [2018-07-23 13:41:42,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:41:42,982 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:41:42,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:41:42,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:41:42,983 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:41:43,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:42" (1/1) ... [2018-07-23 13:41:43,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:42" (1/1) ... [2018-07-23 13:41:43,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:42" (1/1) ... [2018-07-23 13:41:43,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:42" (1/1) ... [2018-07-23 13:41:43,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:42" (1/1) ... [2018-07-23 13:41:43,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:42" (1/1) ... [2018-07-23 13:41:43,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:42" (1/1) ... [2018-07-23 13:41:43,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:41:43,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:41:43,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:41:43,063 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:41:43,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:42" (1/1) ... [2018-07-23 13:41:43,149 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 13:41:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:41:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:41:43,752 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:41:43,753 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:41:43 BoogieIcfgContainer [2018-07-23 13:41:43,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:41:43,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:41:43,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:41:43,759 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:41:43,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:42" (1/2) ... [2018-07-23 13:41:43,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278c1281 and model type pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:41:43, skipping insertion in model container [2018-07-23 13:41:43,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:41:43" (2/2) ... [2018-07-23 13:41:43,764 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl [2018-07-23 13:41:43,774 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:41:43,783 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:41:43,823 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:41:43,824 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:41:43,824 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:41:43,824 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:41:43,824 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:41:43,825 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:41:43,825 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:41:43,825 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:41:43,825 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:41:43,839 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:41:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:41:43,847 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:43,848 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:41:43,848 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:43,854 INFO L82 PathProgramCache]: Analyzing trace with hash 990407, now seen corresponding path program 1 times [2018-07-23 13:41:43,860 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,013 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:41:44,015 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 13:41:44,017 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:44,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,018 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(and (<= ~r1 0) (< 511 ~mode1)), 12#(<= 1 ULTIMATE.start_assert_~arg)] [2018-07-23 13:41:44,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,020 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:41:44,035 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:41:44,035 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:41:44,038 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 13:41:44,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:44,084 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 13:41:44,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:41:44,086 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 13:41:44,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:44,101 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:41:44,102 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:41:44,105 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:41:44,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:41:44,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:41:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:41:44,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:41:44,158 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:41:44,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:44,159 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:41:44,159 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:41:44,159 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:41:44,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:41:44,159 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:44,160 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 13:41:44,160 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:44,160 INFO L82 PathProgramCache]: Analyzing trace with hash 951740381, now seen corresponding path program 1 times [2018-07-23 13:41:44,160 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:44,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,297 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:44,297 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:41:44,297 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,298 INFO L185 omatonBuilderFactory]: Interpolants [48#false, 49#(and (< 511 ~mode1) (= ~mode2 256) (= 0 (+ ~nomsg 1))), 50#(and (<= ~mode2 1) (= 0 (+ ~nomsg 1)) (not (= (+ ~p1_old 1) 0))), 47#true] [2018-07-23 13:41:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,305 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:41:44,305 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:41:44,307 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:41:44,307 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-23 13:41:44,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:44,342 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-23 13:41:44,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:41:44,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-23 13:41:44,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:44,344 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:41:44,344 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 13:41:44,345 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:41:44,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 13:41:44,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 13:41:44,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 13:41:44,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 13:41:44,347 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-07-23 13:41:44,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:44,347 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 13:41:44,347 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:41:44,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 13:41:44,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 13:41:44,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 13:41:44,382 INFO L421 ceAbstractionStarter]: For program point L240(lines 234 241) no Hoare annotation was computed. [2018-07-23 13:41:44,382 INFO L421 ceAbstractionStarter]: For program point L283(lines 279 284) no Hoare annotation was computed. [2018-07-23 13:41:44,382 INFO L421 ceAbstractionStarter]: For program point L260(lines 254 261) no Hoare annotation was computed. [2018-07-23 13:41:44,382 INFO L421 ceAbstractionStarter]: For program point L245(lines 245 255) no Hoare annotation was computed. [2018-07-23 13:41:44,382 INFO L421 ceAbstractionStarter]: For program point L300(lines 296 301) no Hoare annotation was computed. [2018-07-23 13:41:44,383 INFO L421 ceAbstractionStarter]: For program point L220(lines 211 221) no Hoare annotation was computed. [2018-07-23 13:41:44,386 INFO L417 ceAbstractionStarter]: At program point L304(lines 304 313) the Hoare annotation is: (and (<= ~mode2 1) (= 0 (+ ~nomsg 1)) (not (= (+ ~p1_old 1) 0)) (<= 1 ULTIMATE.start_assert_~arg)) [2018-07-23 13:41:44,387 INFO L421 ceAbstractionStarter]: For program point L225(lines 225 235) no Hoare annotation was computed. [2018-07-23 13:41:44,387 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 47 318) the Hoare annotation is: true [2018-07-23 13:41:44,387 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 47 318) the Hoare annotation is: false [2018-07-23 13:41:44,387 INFO L421 ceAbstractionStarter]: For program point L290(lines 290 297) no Hoare annotation was computed. [2018-07-23 13:41:44,387 INFO L421 ceAbstractionStarter]: For program point L272(lines 272 280) no Hoare annotation was computed. [2018-07-23 13:41:44,388 INFO L421 ceAbstractionStarter]: For program point L199(lines 199 212) no Hoare annotation was computed. [2018-07-23 13:41:44,388 INFO L417 ceAbstractionStarter]: At program point L315(lines 315 316) the Hoare annotation is: false [2018-07-23 13:41:44,389 INFO L417 ceAbstractionStarter]: At program point L312(lines 193 312) the Hoare annotation is: (let ((.cse0 (= 0 (+ ~nomsg 1)))) (or (and (<= ~r1 0) (< 511 ~mode1) (= ~mode2 256) .cse0) (and (<= ~mode2 1) .cse0 (not (= (+ ~p1_old 1) 0)) (<= 1 ULTIMATE.start_assert_~arg)))) [2018-07-23 13:41:44,392 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startErr0AssertViolationASSERT(line 317) the Hoare annotation is: false [2018-07-23 13:41:44,393 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 47 318) no Hoare annotation was computed. [2018-07-23 13:41:44,407 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:41:44 BoogieIcfgContainer [2018-07-23 13:41:44,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:41:44,409 INFO L168 Benchmark]: Toolchain (without parser) took 1428.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-07-23 13:41:44,412 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:41:44,413 INFO L168 Benchmark]: Boogie Preprocessor took 78.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:41:44,414 INFO L168 Benchmark]: RCFGBuilder took 691.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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. [2018-07-23 13:41:44,416 INFO L168 Benchmark]: TraceAbstraction took 653.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 13:41:44,421 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 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 691.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 653.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 317]: 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: 304]: Loop Invariant Derived loop invariant: ((~mode2 <= 1 && 0 == ~nomsg + 1) && !(~p1_old + 1 == 0)) && 1 <= assert_~arg - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: (((~r1 <= 0 && 511 < ~mode1) && ~mode2 == 256) && 0 == ~nomsg + 1) || (((~mode2 <= 1 && 0 == ~nomsg + 1) && !(~p1_old + 1 == 0)) && 1 <= assert_~arg) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 1 SDslu, 5 SDs, 0 SdLazy, 10 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 1/2 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 9 NumberOfFragments, 56 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 253 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 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/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-41-44-438.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-41-44-438.csv Received shutdown request...