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-smtinterpol.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:48:09,836 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:48:09,839 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:48:09,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:48:09,859 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:48:09,860 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:48:09,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:48:09,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:48:09,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:48:09,865 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:48:09,866 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:48:09,866 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:48:09,867 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:48:09,868 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:48:09,870 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:48:09,870 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:48:09,871 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:48:09,873 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:48:09,875 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:48:09,877 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:48:09,878 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:48:09,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:48:09,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:48:09,882 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:48:09,882 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:48:09,883 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:48:09,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:48:09,886 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:48:09,887 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:48:09,888 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:48:09,888 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:48:09,892 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:48:09,893 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:48:09,893 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:48:09,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:48:09,897 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:48:09,898 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-07-25 14:48:09,915 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:48:09,915 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:48:09,917 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:48:09,917 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:48:09,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:48:09,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:48:09,917 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:48:09,918 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:48:09,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:48:09,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:48:09,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:48:09,999 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:48:09,999 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:48:10,000 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2018-07-25 14:48:10,000 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2018-07-25 14:48:10,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:48:10,046 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:48:10,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:48:10,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:48:10,047 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:48:10,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:48:10" (1/1) ... [2018-07-25 14:48:10,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:48:10" (1/1) ... [2018-07-25 14:48:10,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:48:10,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:48:10,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:48:10,088 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:48:10,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:48:10" (1/1) ... [2018-07-25 14:48:10,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:48:10" (1/1) ... [2018-07-25 14:48:10,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:48:10" (1/1) ... [2018-07-25 14:48:10,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:48:10" (1/1) ... [2018-07-25 14:48:10,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:48:10" (1/1) ... [2018-07-25 14:48:10,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:48:10" (1/1) ... [2018-07-25 14:48:10,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:48:10" (1/1) ... [2018-07-25 14:48:10,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:48:10,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:48:10,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:48:10,109 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:48:10,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:48:10" (1/1) ... [2018-07-25 14:48:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:48:10,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:48:10,397 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:48:10,399 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:48:10 BoogieIcfgContainer [2018-07-25 14:48:10,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:48:10,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:48:10,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:48:10,405 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:48:10,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:48:10" (1/2) ... [2018-07-25 14:48:10,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e122812 and model type nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:48:10, skipping insertion in model container [2018-07-25 14:48:10,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:48:10" (2/2) ... [2018-07-25 14:48:10,411 INFO L112 eAbstractionObserver]: Analyzing ICFG nested1.i_4.bpl [2018-07-25 14:48:10,424 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:48:10,433 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:48:10,480 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:48:10,481 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:48:10,482 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:48:10,482 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:48:10,482 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:48:10,482 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:48:10,483 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:48:10,483 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:48:10,483 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:48:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-07-25 14:48:10,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:48:10,506 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:48:10,507 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:48:10,509 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:48:10,515 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-25 14:48:10,521 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:48:10,742 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:48:10,742 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 14:48:10,747 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:48:10,753 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:48:10,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 14:48:10,757 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-07-25 14:48:10,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:48:10,841 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2018-07-25 14:48:10,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:48:10,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 14:48:10,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:48:10,864 INFO L225 Difference]: With dead ends: 15 [2018-07-25 14:48:10,864 INFO L226 Difference]: Without dead ends: 9 [2018-07-25 14:48:10,868 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 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 14:48:10,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-25 14:48:10,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-25 14:48:10,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-25 14:48:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-07-25 14:48:10,913 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2018-07-25 14:48:10,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:48:10,913 INFO L472 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-07-25 14:48:10,913 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:48:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-07-25 14:48:10,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-25 14:48:10,914 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:48:10,914 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-07-25 14:48:10,915 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:48:10,915 INFO L82 PathProgramCache]: Analyzing trace with hash 209100445, now seen corresponding path program 1 times [2018-07-25 14:48:10,915 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:48:11,259 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:48:11,260 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:48:11,261 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:48:11,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:48:11,262 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:48:11,265 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 4 states. [2018-07-25 14:48:11,471 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2018-07-25 14:48:11,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:48:11,555 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2018-07-25 14:48:11,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 14:48:11,556 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-07-25 14:48:11,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:48:11,557 INFO L225 Difference]: With dead ends: 15 [2018-07-25 14:48:11,558 INFO L226 Difference]: Without dead ends: 13 [2018-07-25 14:48:11,563 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-25 14:48:11,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-25 14:48:11,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. [2018-07-25 14:48:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-25 14:48:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2018-07-25 14:48:11,573 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2018-07-25 14:48:11,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:48:11,575 INFO L472 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2018-07-25 14:48:11,575 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:48:11,576 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-07-25 14:48:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-25 14:48:11,576 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:48:11,577 INFO L354 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2018-07-25 14:48:11,577 INFO L415 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:48:11,577 INFO L82 PathProgramCache]: Analyzing trace with hash -850198025, now seen corresponding path program 1 times [2018-07-25 14:48:11,578 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-07-25 14:52:24,971 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:52:24,977 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:52:24,977 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:52:24 BoogieIcfgContainer [2018-07-25 14:52:24,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:52:24,978 INFO L168 Benchmark]: Toolchain (without parser) took 254933.22 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -445.1 MB). Free memory was 1.5 GB in the beginning and 931.2 MB in the end (delta: 529.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2018-07-25 14:52:24,980 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 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 14:52:24,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.96 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 14:52:24,982 INFO L168 Benchmark]: Boogie Preprocessor took 20.34 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 14:52:24,983 INFO L168 Benchmark]: RCFGBuilder took 291.28 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-25 14:52:24,984 INFO L168 Benchmark]: TraceAbstraction took 254577.04 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -445.1 MB). Free memory was 1.4 GB in the beginning and 931.2 MB in the end (delta: 518.7 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. [2018-07-25 14:52:24,991 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 0.17 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. * Boogie Procedure Inliner took 39.96 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 20.34 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 291.28 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 254577.04 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -445.1 MB). Free memory was 1.4 GB in the beginning and 931.2 MB in the end (delta: 518.7 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 34]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 34). Cancelled while BasicCegarLoop was analyzing trace of length 11 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 54 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 254.5s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 9 SDslu, 6 SDs, 0 SdLazy, 11 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-52-25-009.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-52-25-009.csv Completed graceful shutdown