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-pdr.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/vogal.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:40:01,337 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:40:01,339 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:40:01,355 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:40:01,356 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:40:01,357 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:40:01,358 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:40:01,360 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:40:01,362 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:40:01,363 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:40:01,363 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:40:01,364 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:40:01,365 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:40:01,365 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:40:01,367 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:40:01,367 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:40:01,368 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:40:01,370 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:40:01,372 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:40:01,374 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:40:01,375 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:40:01,376 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:40:01,378 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:40:01,379 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:40:01,379 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:40:01,380 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:40:01,381 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:40:01,382 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:40:01,383 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:40:01,384 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:40:01,384 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:40:01,385 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:40:01,385 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:40:01,385 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:40:01,386 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:40:01,387 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:40:01,387 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:40:01,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:40:01,399 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:40:01,400 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:40:01,400 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:40:01,404 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:40:01,404 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:40:01,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:40:01,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:40:01,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:40:01,476 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:40:01,476 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:40:01,477 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/vogal.i_5.bpl [2018-07-25 09:40:01,478 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/vogal.i_5.bpl' [2018-07-25 09:40:01,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:40:01,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:40:01,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:40:01,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:40:01,566 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:40:01,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:01" (1/1) ... [2018-07-25 09:40:01,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:01" (1/1) ... [2018-07-25 09:40:01,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:40:01,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:40:01,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:40:01,619 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:40:01,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:01" (1/1) ... [2018-07-25 09:40:01,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:01" (1/1) ... [2018-07-25 09:40:01,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:01" (1/1) ... [2018-07-25 09:40:01,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:01" (1/1) ... [2018-07-25 09:40:01,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:01" (1/1) ... [2018-07-25 09:40:01,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:01" (1/1) ... [2018-07-25 09:40:01,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:01" (1/1) ... [2018-07-25 09:40:01,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:40:01,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:40:01,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:40:01,664 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:40:01,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-25 09:40:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 09:40:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 09:40:02,078 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 09:40:02,079 INFO L202 PluginConnector]: Adding new model vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:40:02 BoogieIcfgContainer [2018-07-25 09:40:02,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:40:02,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:40:02,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:40:02,085 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:40:02,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:40:01" (1/2) ... [2018-07-25 09:40:02,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792320fd and model type vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:40:02, skipping insertion in model container [2018-07-25 09:40:02,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "vogal.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:40:02" (2/2) ... [2018-07-25 09:40:02,089 INFO L112 eAbstractionObserver]: Analyzing ICFG vogal.i_5.bpl [2018-07-25 09:40:02,109 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:40:02,128 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:40:02,212 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:40:02,213 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:40:02,214 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:40:02,214 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:40:02,214 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:40:02,214 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:40:02,214 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:40:02,214 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:40:02,215 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:40:02,233 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-07-25 09:40:02,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-25 09:40:02,245 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:40:02,248 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 09:40:02,249 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:40:02,255 INFO L82 PathProgramCache]: Analyzing trace with hash 148998095, now seen corresponding path program 1 times [2018-07-25 09:40:02,262 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:40:02,440 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:40:02,440 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 09:40:02,445 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:40:02,452 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:40:02,453 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:40:02,455 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2018-07-25 09:40:02,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:40:02,563 INFO L93 Difference]: Finished difference Result 21 states and 29 transitions. [2018-07-25 09:40:02,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:40:02,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-07-25 09:40:02,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:40:02,578 INFO L225 Difference]: With dead ends: 21 [2018-07-25 09:40:02,578 INFO L226 Difference]: Without dead ends: 15 [2018-07-25 09:40:02,582 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:40:02,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-25 09:40:02,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2018-07-25 09:40:02,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-25 09:40:02,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2018-07-25 09:40:02,622 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 8 [2018-07-25 09:40:02,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:40:02,622 INFO L472 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2018-07-25 09:40:02,622 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:40:02,623 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-07-25 09:40:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-25 09:40:02,623 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:40:02,624 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 09:40:02,624 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:40:02,626 INFO L82 PathProgramCache]: Analyzing trace with hash 768493221, now seen corresponding path program 1 times [2018-07-25 09:40:02,627 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:40:02,853 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:40:02,853 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 09:40:02,855 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 09:40:02,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 09:40:02,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 09:40:02,856 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 4 states. [2018-07-25 09:40:03,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:40:03,136 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2018-07-25 09:40:03,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 09:40:03,137 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-07-25 09:40:03,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:40:03,138 INFO L225 Difference]: With dead ends: 19 [2018-07-25 09:40:03,138 INFO L226 Difference]: Without dead ends: 17 [2018-07-25 09:40:03,140 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-25 09:40:03,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-25 09:40:03,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2018-07-25 09:40:03,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-25 09:40:03,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2018-07-25 09:40:03,146 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 12 [2018-07-25 09:40:03,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:40:03,147 INFO L472 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2018-07-25 09:40:03,147 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 09:40:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-07-25 09:40:03,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-25 09:40:03,148 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:40:03,148 INFO L354 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 09:40:03,149 INFO L415 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:40:03,149 INFO L82 PathProgramCache]: Analyzing trace with hash -144651777, now seen corresponding path program 1 times [2018-07-25 09:40:03,150 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:40:03,903 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-07-25 09:40:04,280 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-07-25 09:40:04,970 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-07-25 09:40:05,599 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-07-25 09:40:06,077 WARN L169 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-07-25 09:40:06,854 WARN L169 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2018-07-25 09:40:07,631 WARN L169 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-07-25 09:40:09,009 WARN L169 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2018-07-25 09:40:09,636 WARN L169 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-07-25 09:40:10,378 WARN L169 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-07-25 09:40:20,510 WARN L169 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2018-07-25 09:40:21,591 WARN L169 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-07-25 09:40:22,675 WARN L169 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-07-25 09:40:34,731 ERROR L403 Pdr]: Internal query 3690#(and (not (and (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 3) 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 4) 4294967296))) (= 0 (select ULTIMATE.start_main_~string_entrada~5 (mod (+ ULTIMATE.start_main_~i~5 1) 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 1) 4294967296))) (= 0 (ite (= (mod (+ ULTIMATE.start_main_~cont_aux~5 6) 4294967296) (mod ULTIMATE.start_main_~cont~5 4294967296)) 1 0)) (= (select ULTIMATE.start_main_~vetor_vogais~5 (mod ULTIMATE.start_main_~j~5 4294967296)) (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 2) 4294967296))) (<= 10 (mod (+ ULTIMATE.start_main_~j~5 6) 4294967296)) (< (mod (+ ULTIMATE.start_main_~j~5 5) 4294967296) 10) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 5) 4294967296))))) (not (and (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 3) 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 4) 4294967296))) (<= 10 (mod (+ ULTIMATE.start_main_~j~5 7) 4294967296)) (= 0 (select ULTIMATE.start_main_~string_entrada~5 (mod (+ ULTIMATE.start_main_~i~5 1) 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 1) 4294967296))) (= (select ULTIMATE.start_main_~vetor_vogais~5 (mod ULTIMATE.start_main_~j~5 4294967296)) (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 2) 4294967296))) (< (mod (+ ULTIMATE.start_main_~j~5 6) 4294967296) 10) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 6) 4294967296))) (= (ite (= (mod ULTIMATE.start_main_~cont~5 4294967296) (mod (+ ULTIMATE.start_main_~cont_aux~5 7) 4294967296)) 1 0) 0) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 5) 4294967296))))) (not (and (<= 10 (mod (+ ULTIMATE.start_main_~j~5 3) 4294967296)) (= 0 (select ULTIMATE.start_main_~string_entrada~5 (mod (+ ULTIMATE.start_main_~i~5 1) 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 1) 4294967296))) (= (select ULTIMATE.start_main_~vetor_vogais~5 (mod ULTIMATE.start_main_~j~5 4294967296)) (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 2) 4294967296))) (= 0 (ite (= (mod ULTIMATE.start_main_~cont~5 4294967296) (mod (+ ULTIMATE.start_main_~cont_aux~5 3) 4294967296)) 1 0)) (< (mod (+ ULTIMATE.start_main_~j~5 2) 4294967296) 10))) (not (and (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 3) 4294967296))) (= 0 (select ULTIMATE.start_main_~string_entrada~5 (mod (+ ULTIMATE.start_main_~i~5 1) 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 1) 4294967296))) (= (select ULTIMATE.start_main_~vetor_vogais~5 (mod ULTIMATE.start_main_~j~5 4294967296)) (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 2) 4294967296))) (<= 10 (mod (+ ULTIMATE.start_main_~j~5 4) 4294967296)) (= 0 (ite (= (mod ULTIMATE.start_main_~cont~5 4294967296) (mod (+ ULTIMATE.start_main_~cont_aux~5 4) 4294967296)) 1 0)) (< (mod (+ ULTIMATE.start_main_~j~5 3) 4294967296) 10))) (not (and (= 0 (select ULTIMATE.start_main_~string_entrada~5 (mod (+ ULTIMATE.start_main_~i~5 1) 4294967296))) (= (select ULTIMATE.start_main_~vetor_vogais~5 (mod ULTIMATE.start_main_~j~5 4294967296)) (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296))) (= 0 (ite (= (mod ULTIMATE.start_main_~cont~5 4294967296) (mod (+ ULTIMATE.start_main_~cont_aux~5 1) 4294967296)) 1 0)) (< (mod ULTIMATE.start_main_~j~5 4294967296) 10) (<= 10 (mod (+ ULTIMATE.start_main_~j~5 1) 4294967296)))) (not (and (= 0 (ite (= (mod ULTIMATE.start_main_~cont~5 4294967296) (mod (+ ULTIMATE.start_main_~cont_aux~5 2) 4294967296)) 1 0)) (= 0 (select ULTIMATE.start_main_~string_entrada~5 (mod (+ ULTIMATE.start_main_~i~5 1) 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 1) 4294967296))) (< (mod (+ ULTIMATE.start_main_~j~5 1) 4294967296) 10) (= (select ULTIMATE.start_main_~vetor_vogais~5 (mod ULTIMATE.start_main_~j~5 4294967296)) (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296))) (<= 10 (mod (+ ULTIMATE.start_main_~j~5 2) 4294967296)))) (not (and (<= 10 (mod ULTIMATE.start_main_~j~5 4294967296)) (= 0 (select ULTIMATE.start_main_~string_entrada~5 (mod (+ ULTIMATE.start_main_~i~5 1) 4294967296))) (= 0 (ite (= (mod ULTIMATE.start_main_~cont~5 4294967296) (mod ULTIMATE.start_main_~cont_aux~5 4294967296)) 1 0)))) (not (and (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 3) 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 4) 4294967296))) (= 0 (select ULTIMATE.start_main_~string_entrada~5 (mod (+ ULTIMATE.start_main_~i~5 1) 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 1) 4294967296))) (= 0 (ite (= (mod ULTIMATE.start_main_~cont~5 4294967296) (mod (+ ULTIMATE.start_main_~cont_aux~5 5) 4294967296)) 1 0)) (= (select ULTIMATE.start_main_~vetor_vogais~5 (mod ULTIMATE.start_main_~j~5 4294967296)) (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 2) 4294967296))) (< (mod (+ ULTIMATE.start_main_~j~5 4) 4294967296) 10) (<= 10 (mod (+ ULTIMATE.start_main_~j~5 5) 4294967296))))) && assume !!(main_~j~5 % 4294967296 < 10);assume main_~string_entrada~5[main_~i~5 % 4294967296] == main_~vetor_vogais~5[main_~j~5 % 4294967296];main_#t~post7 := main_~cont_aux~5;main_~cont_aux~5 := main_#t~post7 + 1;havoc main_#t~post7;main_#t~post6 := main_~j~5;main_~j~5 := main_#t~post6 + 1;havoc main_#t~post6; && 2745#(and (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 3) 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 4) 4294967296))) (= 0 (select ULTIMATE.start_main_~string_entrada~5 (mod (+ ULTIMATE.start_main_~i~5 1) 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 1) 4294967296))) (= 0 (ite (= (mod (+ ULTIMATE.start_main_~cont_aux~5 6) 4294967296) (mod ULTIMATE.start_main_~cont~5 4294967296)) 1 0)) (= (select ULTIMATE.start_main_~vetor_vogais~5 (mod ULTIMATE.start_main_~j~5 4294967296)) (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296))) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 2) 4294967296))) (<= 10 (mod (+ ULTIMATE.start_main_~j~5 6) 4294967296)) (< (mod (+ ULTIMATE.start_main_~j~5 5) 4294967296) 10) (= (select ULTIMATE.start_main_~string_entrada~5 (mod ULTIMATE.start_main_~i~5 4294967296)) (select ULTIMATE.start_main_~vetor_vogais~5 (mod (+ ULTIMATE.start_main_~j~5 5) 4294967296)))) was unknown! [2018-07-25 09:40:34,732 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Solver returned unknown at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.blockingPhase(Pdr.java:405) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.computePdr(Pdr.java:289) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.(Pdr.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructPdr(TraceCheckConstructor.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:120) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-25 09:40:34,736 INFO L168 Benchmark]: Toolchain (without parser) took 33173.41 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 18.4 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 228.1 MB). Peak memory consumption was 246.5 MB. Max. memory is 7.1 GB. [2018-07-25 09:40:34,738 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:40:34,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.38 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:40:34,739 INFO L168 Benchmark]: Boogie Preprocessor took 45.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:40:34,739 INFO L168 Benchmark]: RCFGBuilder took 415.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 09:40:34,741 INFO L168 Benchmark]: TraceAbstraction took 32654.03 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 18.4 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 207.0 MB). Peak memory consumption was 225.3 MB. Max. memory is 7.1 GB. [2018-07-25 09:40:34,745 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 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 52.38 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 45.42 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 415.50 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32654.03 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 18.4 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 207.0 MB). Peak memory consumption was 225.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Solver returned unknown de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Solver returned unknown: de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.blockingPhase(Pdr.java:405) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/vogal.i_5.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-40-34-764.csv Received shutdown request...