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-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:31:52,397 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:31:52,399 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:31:52,415 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:31:52,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:31:52,419 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:31:52,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:31:52,423 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:31:52,425 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:31:52,427 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:31:52,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:31:52,430 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:31:52,432 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:31:52,433 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:31:52,434 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:31:52,437 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:31:52,439 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:31:52,448 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:31:52,454 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:31:52,459 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:31:52,460 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:31:52,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:31:52,468 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-26 09:31:52,482 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-09-26 09:31:52,498 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:31:52,499 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:31:52,501 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:31:52,502 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:31:52,502 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:31:52,502 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:31:52,502 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:31:52,503 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:31:52,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:31:52,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:31:52,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:31:52,600 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:31:52,601 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:31:52,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-09-26 09:31:52,602 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-09-26 09:31:52,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:31:52,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:31:52,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:31:52,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:31:52,661 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:31:52,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:52" (1/1) ... [2018-09-26 09:31:52,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:52" (1/1) ... [2018-09-26 09:31:52,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:31:52,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:31:52,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:31:52,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:31:52,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:52" (1/1) ... [2018-09-26 09:31:52,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:52" (1/1) ... [2018-09-26 09:31:52,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:52" (1/1) ... [2018-09-26 09:31:52,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:52" (1/1) ... [2018-09-26 09:31:52,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:52" (1/1) ... [2018-09-26 09:31:52,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:52" (1/1) ... [2018-09-26 09:31:52,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:52" (1/1) ... [2018-09-26 09:31:52,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:31:52,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:31:52,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:31:52,728 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:31:52,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:52" (1/1) ... [2018-09-26 09:31:52,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 09:31:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:31:52,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:31:52,952 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:31:52,953 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:31:52 BoogieIcfgContainer [2018-09-26 09:31:52,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:31:52,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:31:52,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:31:52,958 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:31:52,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:52" (1/2) ... [2018-09-26 09:31:52,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100ae334 and model type nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:31:52, skipping insertion in model container [2018-09-26 09:31:52,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:31:52" (2/2) ... [2018-09-26 09:31:52,963 INFO L112 eAbstractionObserver]: Analyzing ICFG nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-09-26 09:31:52,973 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:31:52,982 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:31:53,029 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:31:53,030 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:31:53,031 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:31:53,031 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:31:53,031 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:31:53,031 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:31:53,031 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:31:53,032 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:31:53,032 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:31:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 09:31:53,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:31:53,056 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:31:53,057 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:31:53,058 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:31:53,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:31:53,065 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-09-26 09:31:53,071 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:31:53,214 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:31:53,215 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:31:53,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:31:53,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:31:53,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:31:53,231 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-26 09:31:53,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:31:53,261 INFO L93 Difference]: Finished difference Result 10 states and 15 transitions. [2018-09-26 09:31:53,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:31:53,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-26 09:31:53,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:31:53,275 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:31:53,275 INFO L226 Difference]: Without dead ends: 6 [2018-09-26 09:31:53,279 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 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 09:31:53,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-09-26 09:31:53,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-09-26 09:31:53,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-09-26 09:31:53,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-09-26 09:31:53,318 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 3 [2018-09-26 09:31:53,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:31:53,318 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-09-26 09:31:53,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:31:53,319 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-26 09:31:53,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 09:31:53,319 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:31:53,319 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 09:31:53,320 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:31:53,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:31:53,321 INFO L82 PathProgramCache]: Analyzing trace with hash 28854189, now seen corresponding path program 1 times [2018-09-26 09:31:53,321 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:31:53,510 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:31:53,510 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 09:31:53,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:31:53,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:31:53,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-26 09:31:53,516 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2018-09-26 09:31:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:31:53,665 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2018-09-26 09:31:53,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 09:31:53,666 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-09-26 09:31:53,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:31:53,666 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:31:53,667 INFO L226 Difference]: Without dead ends: 8 [2018-09-26 09:31:53,672 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-26 09:31:53,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-09-26 09:31:53,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-09-26 09:31:53,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:31:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2018-09-26 09:31:53,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 9 transitions. Word has length 5 [2018-09-26 09:31:53,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:31:53,685 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 9 transitions. [2018-09-26 09:31:53,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:31:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-26 09:31:53,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:31:53,686 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:31:53,686 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 09:31:53,686 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:31:53,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:31:53,687 INFO L82 PathProgramCache]: Analyzing trace with hash 894431694, now seen corresponding path program 1 times [2018-09-26 09:31:53,687 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:31:56,554 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-26 09:32:00,373 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-09-26 09:32:06,049 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-26 09:32:08,522 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-26 09:32:11,174 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-09-26 09:32:12,264 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-26 09:32:13,426 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-26 09:32:16,920 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-09-26 09:32:18,177 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-26 09:32:20,502 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-09-26 09:32:21,532 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-26 09:32:31,983 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-09-26 09:32:44,891 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-26 09:32:51,369 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-09-26 09:32:55,813 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-09-26 09:32:58,210 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-09-26 09:33:00,641 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-09-26 09:33:05,383 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-26 09:33:08,030 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-09-26 09:33:10,783 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-09-26 09:33:13,732 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-09-26 09:33:16,650 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-26 09:33:19,693 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-09-26 09:33:22,790 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2018-09-26 09:33:26,067 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-26 09:33:29,389 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-26 09:33:32,881 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2018-09-26 09:33:36,404 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-09-26 09:33:43,340 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-09-26 09:33:47,228 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2018-09-26 09:33:51,275 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-09-26 09:33:55,443 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-09-26 09:33:59,682 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2018-09-26 09:34:04,087 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-26 09:34:08,613 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2018-09-26 09:34:13,251 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-09-26 09:34:18,018 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-09-26 09:34:22,996 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-09-26 09:34:27,997 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-09-26 09:34:37,677 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-09-26 09:34:43,254 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-09-26 09:34:48,812 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-09-26 09:34:54,613 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-09-26 09:35:00,541 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-09-26 09:35:06,750 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-09-26 09:35:13,109 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-09-26 09:35:19,482 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-09-26 09:35:25,962 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-09-26 09:35:32,794 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2018-09-26 09:35:39,953 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-26 09:35:53,908 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-09-26 09:36:01,671 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-09-26 09:36:09,631 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 276 Received shutdown request... [2018-09-26 09:36:16,379 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:36:16,383 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:36:16,383 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:36:16 BoogieIcfgContainer [2018-09-26 09:36:16,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:36:16,385 INFO L168 Benchmark]: Toolchain (without parser) took 263727.64 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 172.5 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 184.8 MB). Peak memory consumption was 357.3 MB. Max. memory is 7.1 GB. [2018-09-26 09:36:16,388 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.28 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 09:36:16,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.81 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 09:36:16,389 INFO L168 Benchmark]: Boogie Preprocessor took 21.62 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 09:36:16,389 INFO L168 Benchmark]: RCFGBuilder took 226.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:36:16,390 INFO L168 Benchmark]: TraceAbstraction took 263429.24 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 172.5 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 174.3 MB). Peak memory consumption was 346.8 MB. Max. memory is 7.1 GB. [2018-09-26 09:36:16,395 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 0.28 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 43.81 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 21.62 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 226.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 263429.24 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 172.5 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 174.3 MB). Peak memory consumption was 346.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 35]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 35). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 263.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 11 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=2, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-36-16-410.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-36-16-410.csv Completed graceful shutdown