java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/simple4.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:45:16,813 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:45:16,815 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:45:16,829 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:45:16,829 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:45:16,830 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:45:16,832 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:45:16,834 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:45:16,836 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:45:16,837 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:45:16,838 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:45:16,838 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:45:16,839 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:45:16,840 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:45:16,841 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:45:16,842 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:45:16,844 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:45:16,849 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:45:16,853 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:45:16,857 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:45:16,858 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:45:16,862 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:45:16,868 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:45:16,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:45:16,868 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:45:16,870 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:45:16,871 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:45:16,871 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:45:16,872 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:45:16,876 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:45:16,876 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:45:16,877 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:45:16,877 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:45:16,877 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:45:16,879 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:45:16,882 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:45:16,882 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-09-26 09:45:16,899 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:45:16,900 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:45:16,902 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:45:16,902 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:45:16,902 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:45:16,902 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:45:16,903 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:45:16,903 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:45:16,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:45:16,992 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:45:16,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:45:16,998 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:45:16,999 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:45:17,000 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/simple4.i_3.bpl [2018-09-26 09:45:17,000 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/simple4.i_3.bpl' [2018-09-26 09:45:17,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:45:17,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:45:17,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:45:17,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:45:17,071 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:45:17,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:45:17" (1/1) ... [2018-09-26 09:45:17,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:45:17" (1/1) ... [2018-09-26 09:45:17,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:45:17,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:45:17,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:45:17,120 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:45:17,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:45:17" (1/1) ... [2018-09-26 09:45:17,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:45:17" (1/1) ... [2018-09-26 09:45:17,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:45:17" (1/1) ... [2018-09-26 09:45:17,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:45:17" (1/1) ... [2018-09-26 09:45:17,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:45:17" (1/1) ... [2018-09-26 09:45:17,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:45:17" (1/1) ... [2018-09-26 09:45:17,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:45:17" (1/1) ... [2018-09-26 09:45:17,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:45:17,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:45:17,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:45:17,146 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:45:17,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:45:17" (1/1) ... [2018-09-26 09:45:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:45:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:45:17,392 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:45:17,392 INFO L202 PluginConnector]: Adding new model simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:45:17 BoogieIcfgContainer [2018-09-26 09:45:17,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:45:17,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:45:17,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:45:17,398 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:45:17,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:45:17" (1/2) ... [2018-09-26 09:45:17,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468153e7 and model type simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:45:17, skipping insertion in model container [2018-09-26 09:45:17,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:45:17" (2/2) ... [2018-09-26 09:45:17,402 INFO L112 eAbstractionObserver]: Analyzing ICFG simple4.i_3.bpl [2018-09-26 09:45:17,414 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:45:17,423 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:45:17,474 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:45:17,475 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:45:17,475 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:45:17,475 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:45:17,475 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:45:17,475 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:45:17,476 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:45:17,476 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:45:17,476 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:45:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:45:17,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:45:17,504 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:45:17,505 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:45:17,507 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:45:17,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:45:17,514 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-26 09:45:17,521 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:45:17,757 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:45:17,758 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:45:17,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:45:17,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:45:17,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:45:17,775 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 09:45:17,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:45:17,827 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 09:45:17,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:45:17,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 09:45:17,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:45:17,841 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:45:17,841 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:45:17,845 INFO L605 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 [2018-09-26 09:45:17,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:45:17,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:45:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:45:17,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 09:45:17,893 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 09:45:17,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:45:17,894 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 09:45:17,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:45:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 09:45:17,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:45:17,895 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:45:17,896 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 09:45:17,896 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:45:17,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:45:17,897 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-26 09:45:17,897 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:45:19,224 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-09-26 09:45:19,851 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-26 09:45:20,622 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-09-26 09:45:21,608 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-09-26 09:45:22,597 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-09-26 09:45:23,869 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-26 09:45:25,208 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-09-26 09:45:26,864 WARN L178 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-09-26 09:45:28,859 WARN L178 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-09-26 09:45:31,318 WARN L178 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-26 09:45:33,830 WARN L178 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-26 09:45:36,881 WARN L178 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-09-26 09:45:40,255 WARN L178 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-09-26 09:45:44,110 WARN L178 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 230 [2018-09-26 09:45:48,337 WARN L178 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 243 [2018-09-26 09:45:52,908 WARN L178 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2018-09-26 09:45:56,598 WARN L178 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2018-09-26 09:46:00,337 WARN L178 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 282 [2018-09-26 09:46:05,177 WARN L178 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 295 [2018-09-26 09:46:10,023 WARN L178 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 308 [2018-09-26 09:46:15,572 WARN L178 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 321 [2018-09-26 09:46:21,971 WARN L178 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 334 [2018-09-26 09:46:29,270 WARN L178 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 347 [2018-09-26 09:46:37,048 WARN L178 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 360 [2018-09-26 09:46:45,855 WARN L178 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 373 [2018-09-26 09:46:56,330 WARN L178 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 386 [2018-09-26 09:47:07,599 WARN L178 SmtUtils]: Spent 3.80 s on a formula simplification that was a NOOP. DAG size: 399 [2018-09-26 09:47:20,162 WARN L178 SmtUtils]: Spent 3.86 s on a formula simplification that was a NOOP. DAG size: 412 [2018-09-26 09:47:34,121 WARN L178 SmtUtils]: Spent 4.80 s on a formula simplification that was a NOOP. DAG size: 425 [2018-09-26 09:47:48,612 WARN L178 SmtUtils]: Spent 4.65 s on a formula simplification that was a NOOP. DAG size: 438 [2018-09-26 09:48:04,529 WARN L178 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 451 [2018-09-26 09:48:22,256 WARN L178 SmtUtils]: Spent 5.95 s on a formula simplification that was a NOOP. DAG size: 464 [2018-09-26 09:48:41,894 WARN L178 SmtUtils]: Spent 6.77 s on a formula simplification that was a NOOP. DAG size: 477 [2018-09-26 09:49:03,592 WARN L178 SmtUtils]: Spent 7.89 s on a formula simplification that was a NOOP. DAG size: 490 [2018-09-26 09:49:28,248 WARN L178 SmtUtils]: Spent 8.75 s on a formula simplification that was a NOOP. DAG size: 503 Received shutdown request... [2018-09-26 09:49:31,919 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:49:31,923 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:49:31,924 INFO L202 PluginConnector]: Adding new model simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:49:31 BoogieIcfgContainer [2018-09-26 09:49:31,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:49:31,926 INFO L168 Benchmark]: Toolchain (without parser) took 254859.18 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -13.6 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 141.0 MB). Peak memory consumption was 127.4 MB. Max. memory is 7.1 GB. [2018-09-26 09:49:31,928 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:49:31,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:49:31,929 INFO L168 Benchmark]: Boogie Preprocessor took 26.12 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:49:31,930 INFO L168 Benchmark]: RCFGBuilder took 246.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:49:31,936 INFO L168 Benchmark]: TraceAbstraction took 254530.63 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -13.6 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 130.4 MB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. [2018-09-26 09:49:31,941 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 0.23 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 48.44 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 26.12 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 246.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 254530.63 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -13.6 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 130.4 MB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 30]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 30). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 254.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s 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/simple4.i_3.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-49-31-954.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple4.i_3.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-49-31-954.csv Completed graceful shutdown