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/toy/tooDifficultLoopInvariant/PointerIncrement-simplified01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:44:49,576 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:44:49,578 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:44:49,591 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:44:49,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:44:49,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:44:49,595 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:44:49,597 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:44:49,599 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:44:49,600 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:44:49,603 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:44:49,603 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:44:49,604 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:44:49,605 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:44:49,606 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:44:49,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:44:49,610 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:44:49,613 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:44:49,624 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:44:49,627 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:44:49,628 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:44:49,631 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:44:49,637 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:44:49,637 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:44:49,637 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:44:49,638 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:44:49,639 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:44:49,640 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:44:49,641 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:44:49,642 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:44:49,642 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:44:49,643 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:44:49,643 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:44:49,643 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:44:49,645 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:44:49,647 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:44:49,647 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:44:49,656 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:44:49,657 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:44:49,658 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:44:49,658 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:44:49,658 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:44:49,659 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:44:49,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:44:49,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:44:49,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:44:49,752 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:44:49,752 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:44:49,753 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified01.bpl [2018-07-25 09:44:49,753 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified01.bpl' [2018-07-25 09:44:49,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:44:49,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:44:49,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:44:49,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:44:49,831 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:44:49,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:44:49" (1/1) ... [2018-07-25 09:44:49,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:44:49" (1/1) ... [2018-07-25 09:44:49,876 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 09:44:49,876 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 09:44:49,876 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 09:44:49,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:44:49,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:44:49,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:44:49,900 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:44:49,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:44:49" (1/1) ... [2018-07-25 09:44:49,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:44:49" (1/1) ... [2018-07-25 09:44:49,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:44:49" (1/1) ... [2018-07-25 09:44:49,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:44:49" (1/1) ... [2018-07-25 09:44:49,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:44:49" (1/1) ... [2018-07-25 09:44:49,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:44:49" (1/1) ... [2018-07-25 09:44:49,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:44:49" (1/1) ... [2018-07-25 09:44:49,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:44:49,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:44:49,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:44:49,934 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:44:49,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:44:49" (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 09:44:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-25 09:44:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-25 09:44:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-07-25 09:44:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2018-07-25 09:44:50,315 INFO L270 CfgBuilder]: Using library mode [2018-07-25 09:44:50,316 INFO L202 PluginConnector]: Adding new model PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:44:50 BoogieIcfgContainer [2018-07-25 09:44:50,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:44:50,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:44:50,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:44:50,329 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:44:50,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:44:49" (1/2) ... [2018-07-25 09:44:50,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61715227 and model type PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:44:50, skipping insertion in model container [2018-07-25 09:44:50,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:44:50" (2/2) ... [2018-07-25 09:44:50,335 INFO L112 eAbstractionObserver]: Analyzing ICFG PointerIncrement-simplified01.bpl [2018-07-25 09:44:50,356 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:44:50,366 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-07-25 09:44:50,452 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:44:50,453 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:44:50,453 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:44:50,453 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:44:50,453 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:44:50,454 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:44:50,454 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:44:50,454 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:44:50,454 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:44:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2018-07-25 09:44:50,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:44:50,491 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:44:50,491 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:44:50,492 INFO L415 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONPRE_CONDITIONandASSERT, mainErr1ASSERT_VIOLATIONPRE_CONDITIONandASSERT]=== [2018-07-25 09:44:50,498 INFO L82 PathProgramCache]: Analyzing trace with hash 927590, now seen corresponding path program 1 times [2018-07-25 09:44:50,504 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:44:50,793 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:44:50,793 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 09:44:50,797 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 09:44:50,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 09:44:50,805 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 09:44:50,807 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 5 states. [2018-07-25 09:44:51,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:44:51,342 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2018-07-25 09:44:51,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 09:44:51,344 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 09:44:51,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:44:51,356 INFO L225 Difference]: With dead ends: 19 [2018-07-25 09:44:51,356 INFO L226 Difference]: Without dead ends: 12 [2018-07-25 09:44:51,360 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-07-25 09:44:51,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-25 09:44:51,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2018-07-25 09:44:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 09:44:51,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2018-07-25 09:44:51,400 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 4 [2018-07-25 09:44:51,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:44:51,400 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2018-07-25 09:44:51,401 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 09:44:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-07-25 09:44:51,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 09:44:51,401 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:44:51,401 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 09:44:51,402 INFO L415 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONPRE_CONDITIONandASSERT, mainErr1ASSERT_VIOLATIONPRE_CONDITIONandASSERT]=== [2018-07-25 09:44:51,402 INFO L82 PathProgramCache]: Analyzing trace with hash 28755331, now seen corresponding path program 1 times [2018-07-25 09:44:51,402 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:44:51,845 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:44:51,845 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 09:44:51,846 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 09:44:51,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 09:44:51,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-07-25 09:44:51,847 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand 6 states. [2018-07-25 09:44:52,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:44:52,535 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2018-07-25 09:44:52,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-25 09:44:52,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 09:44:52,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:44:52,536 INFO L225 Difference]: With dead ends: 18 [2018-07-25 09:44:52,537 INFO L226 Difference]: Without dead ends: 17 [2018-07-25 09:44:52,538 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-07-25 09:44:52,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-25 09:44:52,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 11. [2018-07-25 09:44:52,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-25 09:44:52,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2018-07-25 09:44:52,551 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 5 [2018-07-25 09:44:52,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:44:52,552 INFO L472 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2018-07-25 09:44:52,552 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 09:44:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-07-25 09:44:52,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-25 09:44:52,553 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:44:52,553 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-07-25 09:44:52,553 INFO L415 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONPRE_CONDITIONandASSERT, mainErr1ASSERT_VIOLATIONPRE_CONDITIONandASSERT]=== [2018-07-25 09:44:52,554 INFO L82 PathProgramCache]: Analyzing trace with hash 2132412303, now seen corresponding path program 1 times [2018-07-25 09:44:52,554 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:44:52,800 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:44:52,800 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:44:52,800 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 09:44:52,801 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 09:44:52,801 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-07-25 09:44:52,802 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 7 states. [2018-07-25 09:44:53,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:44:53,392 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2018-07-25 09:44:53,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-25 09:44:53,393 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 8 [2018-07-25 09:44:53,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:44:53,394 INFO L225 Difference]: With dead ends: 22 [2018-07-25 09:44:53,394 INFO L226 Difference]: Without dead ends: 21 [2018-07-25 09:44:53,395 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2018-07-25 09:44:53,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-25 09:44:53,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 12. [2018-07-25 09:44:53,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-25 09:44:53,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2018-07-25 09:44:53,407 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 8 [2018-07-25 09:44:53,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:44:53,408 INFO L472 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2018-07-25 09:44:53,408 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 09:44:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-07-25 09:44:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-25 09:44:53,409 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:44:53,409 INFO L354 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2018-07-25 09:44:53,409 INFO L415 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONPRE_CONDITIONandASSERT, mainErr1ASSERT_VIOLATIONPRE_CONDITIONandASSERT]=== [2018-07-25 09:44:53,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1391871885, now seen corresponding path program 1 times [2018-07-25 09:44:53,410 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:44:54,846 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-07-25 09:44:58,337 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2018-07-25 09:44:59,930 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2018-07-25 09:45:01,741 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-07-25 09:45:04,298 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2018-07-25 09:45:07,787 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2018-07-25 09:45:12,983 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2018-07-25 09:45:18,993 WARN L169 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2018-07-25 09:45:25,877 WARN L169 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2018-07-25 09:45:34,603 WARN L169 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2018-07-25 09:45:45,576 WARN L169 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 149 [2018-07-25 09:45:58,834 WARN L169 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 151 [2018-07-25 09:46:15,123 WARN L169 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-07-25 09:46:34,754 WARN L169 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-07-25 09:46:58,943 WARN L169 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2018-07-25 09:47:28,084 WARN L169 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2018-07-25 09:48:01,941 WARN L169 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2018-07-25 09:48:42,443 WARN L169 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 Received shutdown request... [2018-07-25 09:49:29,188 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:49:29,193 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:49:29,194 INFO L202 PluginConnector]: Adding new model PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:49:29 BoogieIcfgContainer [2018-07-25 09:49:29,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:49:29,195 INFO L168 Benchmark]: Toolchain (without parser) took 279366.38 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -242.7 MB). Free memory was 1.5 GB in the beginning and 913.9 MB in the end (delta: 572.9 MB). Peak memory consumption was 330.1 MB. Max. memory is 7.1 GB. [2018-07-25 09:49:29,196 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 09:49:29,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.66 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 09:49:29,198 INFO L168 Benchmark]: Boogie Preprocessor took 34.46 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:49:29,198 INFO L168 Benchmark]: RCFGBuilder took 384.63 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 09:49:29,199 INFO L168 Benchmark]: TraceAbstraction took 278873.80 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -242.7 MB). Free memory was 1.5 GB in the beginning and 913.9 MB in the end (delta: 551.7 MB). Peak memory consumption was 309.0 MB. Max. memory is 7.1 GB. [2018-07-25 09:49:29,204 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 0.19 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 67.66 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 34.46 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 384.63 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 278873.80 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -242.7 MB). Free memory was 1.5 GB in the beginning and 913.9 MB in the end (delta: 551.7 MB). Peak memory consumption was 309.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that procedure precondition always holds and assertion always holds (line 41). Cancelled while BasicCegarLoop was analyzing trace of length 11 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 72 known predicates. - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that procedure precondition always holds and assertion always holds (line 41). Cancelled while BasicCegarLoop was analyzing trace of length 11 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 72 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 2 error locations. TIMEOUT Result, 278.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 41 SDslu, 6 SDs, 0 SdLazy, 118 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=3, 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, 3 MinimizatonAttempts, 20 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.9s 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/PointerIncrement-simplified01.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-49-29-221.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/PointerIncrement-simplified01.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-49-29-221.csv Completed graceful shutdown