java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:11:24,810 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:11:24,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:11:24,824 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:11:24,824 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:11:24,825 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:11:24,827 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:11:24,828 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:11:24,830 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:11:24,831 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:11:24,832 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:11:24,832 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:11:24,833 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:11:24,834 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:11:24,835 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:11:24,836 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:11:24,836 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:11:24,838 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:11:24,840 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:11:24,842 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:11:24,843 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:11:24,844 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:11:24,847 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:11:24,847 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:11:24,847 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:11:24,848 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:11:24,849 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:11:24,850 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:11:24,851 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:11:24,852 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:11:24,852 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:11:24,853 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:11:24,853 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:11:24,853 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:11:24,854 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:11:24,857 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:11:24,857 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-09-26 08:11:24,866 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:11:24,866 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:11:24,867 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 08:11:24,867 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 08:11:24,868 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:11:24,868 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-09-26 08:11:24,868 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 08:11:24,868 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:11:24,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:11:24,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:11:24,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:11:24,934 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:11:24,934 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:11:24,935 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl [2018-09-26 08:11:24,935 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl' [2018-09-26 08:11:25,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:11:25,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:11:25,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:11:25,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:11:25,022 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:11:25,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:25" (1/1) ... [2018-09-26 08:11:25,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:25" (1/1) ... [2018-09-26 08:11:25,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:11:25,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:11:25,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:11:25,071 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:11:25,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:25" (1/1) ... [2018-09-26 08:11:25,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:25" (1/1) ... [2018-09-26 08:11:25,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:25" (1/1) ... [2018-09-26 08:11:25,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:25" (1/1) ... [2018-09-26 08:11:25,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:25" (1/1) ... [2018-09-26 08:11:25,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:25" (1/1) ... [2018-09-26 08:11:25,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:25" (1/1) ... [2018-09-26 08:11:25,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:11:25,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:11:25,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:11:25,126 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:11:25,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:25" (1/1) ... [2018-09-26 08:11:25,227 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 08:11:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:11:25,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:11:25,849 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:11:25,850 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:11:25 BoogieIcfgContainer [2018-09-26 08:11:25,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:11:25,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:11:25,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:11:25,855 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:11:25,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:25" (1/2) ... [2018-09-26 08:11:25,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bd94ef and model type pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:11:25, skipping insertion in model container [2018-09-26 08:11:25,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:11:25" (2/2) ... [2018-09-26 08:11:25,860 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl [2018-09-26 08:11:25,869 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:11:25,878 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:11:25,925 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:11:25,926 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:11:25,926 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:11:25,926 INFO L383 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-09-26 08:11:25,926 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:11:25,926 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:11:25,926 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:11:25,927 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:11:25,927 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:11:25,942 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:11:25,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:11:25,950 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:11:25,951 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:11:25,952 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:11:25,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:11:25,958 INFO L82 PathProgramCache]: Analyzing trace with hash 990345, now seen corresponding path program 1 times [2018-09-26 08:11:25,965 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:11:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:11:26,139 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 08:11:26,144 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:11:26,144 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:11:26,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:11:26,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:11:26,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:11:26,165 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 08:11:26,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:11:26,216 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:11:26,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:11:26,218 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 08:11:26,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:11:26,239 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:11:26,239 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:11:26,248 INFO L605 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 [2018-09-26 08:11:26,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:11:26,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:11:26,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:11:26,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:11:26,294 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:11:26,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:11:26,294 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:11:26,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:11:26,295 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:11:26,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:11:26,295 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:11:26,295 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:11:26,296 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:11:26,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:11:26,297 INFO L82 PathProgramCache]: Analyzing trace with hash 951799901, now seen corresponding path program 1 times [2018-09-26 08:11:26,297 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:11:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:11:26,407 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 08:11:26,407 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:11:26,407 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-09-26 08:11:26,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:11:26,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:11:26,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:11:26,410 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-09-26 08:11:26,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:11:26,434 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-09-26 08:11:26,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:11:26,435 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-09-26 08:11:26,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:11:26,435 INFO L225 Difference]: With dead ends: 8 [2018-09-26 08:11:26,435 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:11:26,439 INFO L605 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 [2018-09-26 08:11:26,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:11:26,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:11:26,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:11:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:11:26,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-09-26 08:11:26,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:11:26,444 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:11:26,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:11:26,444 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:11:26,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:11:26,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:11:26,488 INFO L426 ceAbstractionStarter]: For program point L225(lines 225 235) no Hoare annotation was computed. [2018-09-26 08:11:26,488 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 47 318) the Hoare annotation is: false [2018-09-26 08:11:26,488 INFO L426 ceAbstractionStarter]: For program point L283(lines 279 284) no Hoare annotation was computed. [2018-09-26 08:11:26,488 INFO L426 ceAbstractionStarter]: For program point L240(lines 234 241) no Hoare annotation was computed. [2018-09-26 08:11:26,489 INFO L422 ceAbstractionStarter]: At program point L304(lines 304 310) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_assert_~arg)) (not (= 0 ~mode2)) (= 0 (+ ~nomsg 1)) (not (= (+ ~p1_old 1) 0))) [2018-09-26 08:11:26,489 INFO L426 ceAbstractionStarter]: For program point L300(lines 296 301) no Hoare annotation was computed. [2018-09-26 08:11:26,489 INFO L426 ceAbstractionStarter]: For program point L199(lines 199 212) no Hoare annotation was computed. [2018-09-26 08:11:26,490 INFO L426 ceAbstractionStarter]: For program point L290(lines 290 297) no Hoare annotation was computed. [2018-09-26 08:11:26,491 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 47 318) the Hoare annotation is: true [2018-09-26 08:11:26,491 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 47 318) no Hoare annotation was computed. [2018-09-26 08:11:26,491 INFO L426 ceAbstractionStarter]: For program point L220(lines 211 221) no Hoare annotation was computed. [2018-09-26 08:11:26,493 INFO L422 ceAbstractionStarter]: At program point L315(lines 193 315) the Hoare annotation is: (let ((.cse0 (= 0 (+ ~nomsg 1)))) (or (and (<= ~r1 0) (= ~mode2 0) .cse0 (= (+ ~mode1 256) 0)) (and (not (= 0 ULTIMATE.start_assert_~arg)) (not (= 0 ~mode2)) .cse0 (not (= (+ ~p1_old 1) 0))))) [2018-09-26 08:11:26,493 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 317) the Hoare annotation is: false [2018-09-26 08:11:26,494 INFO L426 ceAbstractionStarter]: For program point L245(lines 245 254) no Hoare annotation was computed. [2018-09-26 08:11:26,494 INFO L422 ceAbstractionStarter]: At program point L309(lines 309 316) the Hoare annotation is: false [2018-09-26 08:11:26,494 INFO L426 ceAbstractionStarter]: For program point L272(lines 272 280) no Hoare annotation was computed. [2018-09-26 08:11:26,494 INFO L426 ceAbstractionStarter]: For program point L260(lines 253 261) no Hoare annotation was computed. [2018-09-26 08:11:26,510 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:11:26 BoogieIcfgContainer [2018-09-26 08:11:26,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:11:26,513 INFO L168 Benchmark]: Toolchain (without parser) took 1493.14 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-09-26 08:11:26,516 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. [2018-09-26 08:11:26,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:11:26,518 INFO L168 Benchmark]: Boogie Preprocessor took 53.46 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:11:26,519 INFO L168 Benchmark]: RCFGBuilder took 726.32 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-26 08:11:26,521 INFO L168 Benchmark]: TraceAbstraction took 659.28 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. [2018-09-26 08:11:26,530 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 48.29 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 53.46 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 726.32 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 659.28 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: 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: 193]: Loop Invariant Derived loop invariant: (((~r1 <= 0 && ~mode2 == 0) && 0 == ~nomsg + 1) && ~mode1 + 256 == 0) || (((!(0 == assert_~arg) && !(0 == ~mode2)) && 0 == ~nomsg + 1) && !(~p1_old + 1 == 0)) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((!(0 == assert_~arg) && !(0 == ~mode2)) && 0 == ~nomsg + 1) && !(~p1_old + 1 == 0) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: false - 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, 62 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, 282 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.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-11-26-549.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-11-26-549.csv Received shutdown request...