java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:20:50,725 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:20:50,727 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:20:50,739 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:20:50,739 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:20:50,740 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:20:50,742 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:20:50,743 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:20:50,745 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:20:50,746 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:20:50,747 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:20:50,747 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:20:50,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:20:50,749 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:20:50,751 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:20:50,751 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:20:50,752 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:20:50,754 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:20:50,756 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:20:50,758 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:20:50,759 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:20:50,761 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:20:50,763 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:20:50,763 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:20:50,764 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:20:50,765 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:20:50,766 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:20:50,767 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:20:50,768 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:20:50,772 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:20:50,772 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:20:50,773 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:20:50,773 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:20:50,774 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:20:50,777 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:20:50,778 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:20:50,779 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-07-25 13:20:50,789 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:20:50,790 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:20:50,791 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 13:20:50,792 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 13:20:50,792 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:20:50,792 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-25 13:20:50,792 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 13:20:50,792 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:20:50,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:20:50,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:20:50,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:20:50,891 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:20:50,892 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:20:50,892 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl [2018-07-25 13:20:50,893 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl' [2018-07-25 13:20:50,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:20:50,988 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:20:50,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:20:50,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:20:50,990 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:20:51,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:20:50" (1/1) ... [2018-07-25 13:20:51,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:20:50" (1/1) ... [2018-07-25 13:20:51,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:20:51,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:20:51,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:20:51,037 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:20:51,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:20:50" (1/1) ... [2018-07-25 13:20:51,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:20:50" (1/1) ... [2018-07-25 13:20:51,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:20:50" (1/1) ... [2018-07-25 13:20:51,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:20:50" (1/1) ... [2018-07-25 13:20:51,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:20:50" (1/1) ... [2018-07-25 13:20:51,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:20:50" (1/1) ... [2018-07-25 13:20:51,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:20:50" (1/1) ... [2018-07-25 13:20:51,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:20:51,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:20:51,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:20:51,091 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:20:51,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:20:50" (1/1) ... [2018-07-25 13:20:51,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-25 13:20:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:20:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:20:51,855 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:20:51,856 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:20:51 BoogieIcfgContainer [2018-07-25 13:20:51,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:20:51,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:20:51,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:20:51,867 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:20:51,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:20:50" (1/2) ... [2018-07-25 13:20:51,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6def1f9 and model type pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:20:51, skipping insertion in model container [2018-07-25 13:20:51,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:20:51" (2/2) ... [2018-07-25 13:20:51,872 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl [2018-07-25 13:20:51,881 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:20:51,890 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:20:51,936 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:20:51,937 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:20:51,937 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:20:51,938 INFO L376 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-25 13:20:51,938 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:20:51,938 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:20:51,938 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:20:51,939 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:20:51,939 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:20:51,954 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 13:20:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:20:51,962 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:20:51,963 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:20:51,965 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:20:51,971 INFO L82 PathProgramCache]: Analyzing trace with hash 990345, now seen corresponding path program 1 times [2018-07-25 13:20:51,977 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:20:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:20:52,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:20:52,121 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:20:52,121 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:20:52,127 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:20:52,142 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:20:52,143 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:20:52,146 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 13:20:52,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:20:52,224 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 13:20:52,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 13:20:52,226 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 13:20:52,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:20:52,247 INFO L225 Difference]: With dead ends: 10 [2018-07-25 13:20:52,248 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 13:20:52,254 INFO L574 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 [2018-07-25 13:20:52,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 13:20:52,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 13:20:52,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 13:20:52,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 13:20:52,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 13:20:52,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:20:52,291 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 13:20:52,291 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:20:52,292 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 13:20:52,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:20:52,292 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:20:52,292 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 13:20:52,293 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:20:52,293 INFO L82 PathProgramCache]: Analyzing trace with hash 951799901, now seen corresponding path program 1 times [2018-07-25 13:20:52,293 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:20:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:20:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:20:52,382 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 13:20:52,382 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-25 13:20:52,389 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:20:52,389 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:20:52,389 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:20:52,390 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-25 13:20:52,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:20:52,416 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-25 13:20:52,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 13:20:52,418 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-25 13:20:52,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:20:52,418 INFO L225 Difference]: With dead ends: 8 [2018-07-25 13:20:52,418 INFO L226 Difference]: Without dead ends: 0 [2018-07-25 13:20:52,420 INFO L574 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 [2018-07-25 13:20:52,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-25 13:20:52,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-25 13:20:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-25 13:20:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-25 13:20:52,422 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-07-25 13:20:52,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:20:52,422 INFO L472 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-25 13:20:52,423 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:20:52,423 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-25 13:20:52,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-25 13:20:52,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-25 13:20:52,455 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 47 316) the Hoare annotation is: false [2018-07-25 13:20:52,456 INFO L422 ceAbstractionStarter]: For program point L219(lines 219 232) no Hoare annotation was computed. [2018-07-25 13:20:52,456 INFO L422 ceAbstractionStarter]: For program point L281(lines 276 282) no Hoare annotation was computed. [2018-07-25 13:20:52,456 INFO L422 ceAbstractionStarter]: For program point L238(lines 231 239) no Hoare annotation was computed. [2018-07-25 13:20:52,456 INFO L418 ceAbstractionStarter]: At program point L302(lines 302 308) the Hoare annotation is: (and (not (= ~send2 ~nomsg)) (not (= ~mode3 0)) (<= 1 ULTIMATE.start_assert_~arg) (= ~p2_old ~send2)) [2018-07-25 13:20:52,456 INFO L422 ceAbstractionStarter]: For program point L298(lines 294 299) no Hoare annotation was computed. [2018-07-25 13:20:52,457 INFO L422 ceAbstractionStarter]: For program point L288(lines 288 295) no Hoare annotation was computed. [2018-07-25 13:20:52,457 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 315) the Hoare annotation is: false [2018-07-25 13:20:52,457 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 47 316) the Hoare annotation is: true [2018-07-25 13:20:52,457 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 47 316) no Hoare annotation was computed. [2018-07-25 13:20:52,458 INFO L418 ceAbstractionStarter]: At program point L313(lines 192 313) the Hoare annotation is: (let ((.cse0 (= ~mode3 0))) (or (and (<= ~r1 0) (= ~mode1 256) (= ~mode2 256) .cse0) (and (not (= ~send2 ~nomsg)) (not .cse0) (<= 1 ULTIMATE.start_assert_~arg) (= ~p2_old ~send2)))) [2018-07-25 13:20:52,459 INFO L422 ceAbstractionStarter]: For program point L214(lines 205 215) no Hoare annotation was computed. [2018-07-25 13:20:52,459 INFO L422 ceAbstractionStarter]: For program point L243(lines 243 252) no Hoare annotation was computed. [2018-07-25 13:20:52,459 INFO L418 ceAbstractionStarter]: At program point L307(lines 307 314) the Hoare annotation is: false [2018-07-25 13:20:52,459 INFO L422 ceAbstractionStarter]: For program point L270(lines 270 277) no Hoare annotation was computed. [2018-07-25 13:20:52,459 INFO L422 ceAbstractionStarter]: For program point L198(lines 198 206) no Hoare annotation was computed. [2018-07-25 13:20:52,459 INFO L422 ceAbstractionStarter]: For program point L258(lines 251 259) no Hoare annotation was computed. [2018-07-25 13:20:52,471 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:20:52 BoogieIcfgContainer [2018-07-25 13:20:52,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:20:52,472 INFO L168 Benchmark]: Toolchain (without parser) took 1485.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-07-25 13:20:52,475 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-07-25 13:20:52,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.72 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. [2018-07-25 13:20:52,477 INFO L168 Benchmark]: Boogie Preprocessor took 53.78 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. [2018-07-25 13:20:52,477 INFO L168 Benchmark]: RCFGBuilder took 765.06 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. [2018-07-25 13:20:52,478 INFO L168 Benchmark]: TraceAbstraction took 611.37 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-25 13:20:52,483 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 0.20 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 47.72 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 53.78 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 765.06 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 611.37 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 315]: 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: 192]: Loop Invariant Derived loop invariant: (((~r1 <= 0 && ~mode1 == 256) && ~mode2 == 256) && ~mode3 == 0) || (((!(~send2 == ~nomsg) && !(~mode3 == 0)) && 1 <= assert_~arg) && ~p2_old == ~send2) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: ((!(~send2 == ~nomsg) && !(~mode3 == 0)) && 1 <= assert_~arg) && ~p2_old == ~send2 - 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, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 9 NumberOfFragments, 48 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 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.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-20-52-506.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-20-52-506.csv Received shutdown request...