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-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_05.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:55:16,553 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:55:16,558 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:55:16,579 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:55:16,580 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:55:16,581 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:55:16,585 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:55:16,587 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:55:16,590 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:55:16,590 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:55:16,593 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:55:16,593 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:55:16,594 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:55:16,595 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:55:16,597 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:55:16,600 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:55:16,601 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:55:16,605 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:55:16,615 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:55:16,617 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:55:16,618 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:55:16,619 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:55:16,622 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:55:16,622 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:55:16,623 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:55:16,624 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:55:16,625 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:55:16,625 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:55:16,626 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:55:16,627 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:55:16,628 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:55:16,628 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:55:16,629 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:55:16,629 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:55:16,630 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:55:16,631 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:55:16,631 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 13:55:16,644 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:55:16,644 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:55:16,646 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:55:16,646 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:55:16,646 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:55:16,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:55:16,647 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:55:16,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:55:16,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:55:16,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:55:16,745 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:55:16,746 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:55:16,747 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_05.i_5.bpl [2018-07-25 13:55:16,747 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_05.i_5.bpl' [2018-07-25 13:55:16,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:55:16,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:55:16,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:55:16,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:55:16,829 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:55:16,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:55:16" (1/1) ... [2018-07-25 13:55:16,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:55:16" (1/1) ... [2018-07-25 13:55:16,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:55:16,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:55:16,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:55:16,877 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:55:16,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:55:16" (1/1) ... [2018-07-25 13:55:16,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:55:16" (1/1) ... [2018-07-25 13:55:16,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:55:16" (1/1) ... [2018-07-25 13:55:16,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:55:16" (1/1) ... [2018-07-25 13:55:16,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:55:16" (1/1) ... [2018-07-25 13:55:16,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:55:16" (1/1) ... [2018-07-25 13:55:16,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:55:16" (1/1) ... [2018-07-25 13:55:16,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:55:16,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:55:16,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:55:16,910 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:55:16,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:55:16" (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 13:55:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:55:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:55:17,224 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:55:17,225 INFO L202 PluginConnector]: Adding new model eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:55:17 BoogieIcfgContainer [2018-07-25 13:55:17,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:55:17,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:55:17,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:55:17,230 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:55:17,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:55:16" (1/2) ... [2018-07-25 13:55:17,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9c8899 and model type eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:55:17, skipping insertion in model container [2018-07-25 13:55:17,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:55:17" (2/2) ... [2018-07-25 13:55:17,234 INFO L112 eAbstractionObserver]: Analyzing ICFG eureka_05.i_5.bpl [2018-07-25 13:55:17,245 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:55:17,253 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:55:17,350 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:55:17,351 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:55:17,351 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:55:17,354 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:55:17,355 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:55:17,355 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:55:17,355 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:55:17,355 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:55:17,355 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:55:17,387 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2018-07-25 13:55:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:55:17,400 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:55:17,401 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 13:55:17,402 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:55:17,410 INFO L82 PathProgramCache]: Analyzing trace with hash 889539531, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:55:17,457 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:55:17,757 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:55:17,757 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:55:17,761 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:55:17,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:55:17,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 13:55:17,770 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2018-07-25 13:55:17,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:55:17,952 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2018-07-25 13:55:17,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 13:55:17,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-25 13:55:17,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:55:17,972 INFO L225 Difference]: With dead ends: 17 [2018-07-25 13:55:17,973 INFO L226 Difference]: Without dead ends: 11 [2018-07-25 13:55:17,976 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 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 13:55:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-25 13:55:18,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-25 13:55:18,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-25 13:55:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2018-07-25 13:55:18,018 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 6 [2018-07-25 13:55:18,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:55:18,019 INFO L472 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2018-07-25 13:55:18,019 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:55:18,019 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-07-25 13:55:18,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-25 13:55:18,020 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:55:18,020 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:55:18,020 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:55:18,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1513351841, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:55:18,035 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:55:19,416 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-25 13:55:21,929 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:55:21,930 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 13:55:21,931 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 13:55:21,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 13:55:21,932 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2018-07-25 13:55:21,932 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 5 states. [2018-07-25 13:55:22,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:55:22,108 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2018-07-25 13:55:22,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 13:55:22,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-07-25 13:55:22,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:55:22,110 INFO L225 Difference]: With dead ends: 19 [2018-07-25 13:55:22,110 INFO L226 Difference]: Without dead ends: 17 [2018-07-25 13:55:22,113 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 412 SyntacticMatches, 105 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-07-25 13:55:22,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-25 13:55:22,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2018-07-25 13:55:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-25 13:55:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2018-07-25 13:55:22,121 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 10 [2018-07-25 13:55:22,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:55:22,122 INFO L472 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2018-07-25 13:55:22,122 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 13:55:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-07-25 13:55:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-25 13:55:22,123 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:55:22,123 INFO L354 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:55:22,123 INFO L415 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:55:22,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1595056645, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:55:22,134 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:55:23,335 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-07-25 13:55:25,879 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2018-07-25 13:55:31,167 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2018-07-25 13:55:32,167 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2018-07-25 13:55:37,162 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2018-07-25 13:55:43,833 WARN L169 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2018-07-25 13:55:44,547 WARN L169 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2018-07-25 13:55:45,341 WARN L169 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-07-25 13:55:53,776 WARN L169 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2018-07-25 13:55:54,352 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2018-07-25 13:56:06,772 WARN L169 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2018-07-25 13:56:08,053 WARN L169 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2018-07-25 13:56:09,183 WARN L169 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-07-25 13:56:25,716 WARN L169 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-07-25 13:56:26,596 WARN L169 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2018-07-25 13:56:50,871 WARN L169 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-07-25 13:56:52,603 WARN L169 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2018-07-25 13:56:54,374 WARN L169 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2018-07-25 13:57:25,696 WARN L169 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2018-07-25 13:57:26,964 WARN L169 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2018-07-25 13:58:10,320 WARN L169 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2018-07-25 13:58:12,330 WARN L169 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2018-07-25 13:59:05,900 WARN L169 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 Received shutdown request... [2018-07-25 13:59:51,715 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:59:51,716 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 13:59:51,723 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 13:59:51,723 INFO L202 PluginConnector]: Adding new model eureka_05.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:59:51 BoogieIcfgContainer [2018-07-25 13:59:51,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:59:51,724 INFO L168 Benchmark]: Toolchain (without parser) took 274898.56 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -208.7 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 238.7 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:59:51,726 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.29 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. [2018-07-25 13:59:51,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.59 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:59:51,727 INFO L168 Benchmark]: Boogie Preprocessor took 32.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:59:51,727 INFO L168 Benchmark]: RCFGBuilder took 316.32 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:59:51,728 INFO L168 Benchmark]: TraceAbstraction took 274496.72 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -208.7 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2018-07-25 13:59:51,733 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 0.29 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 Procedure Inliner took 47.59 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 32.17 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 316.32 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 274496.72 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -208.7 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 76). Cancelled while BasicCegarLoop was analyzing trace of length 13 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. TIMEOUT Result, 274.3s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 27 SDslu, 11 SDs, 0 SdLazy, 29 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 630 GetRequests, 503 SyntacticMatches, 105 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 4.1s 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/eureka_05.i_5.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-59-51-747.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/eureka_05.i_5.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-59-51-747.csv Completed graceful shutdown