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/simple4.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:52:32,554 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:52:32,556 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:52:32,579 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:52:32,579 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:52:32,580 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:52:32,582 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:52:32,584 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:52:32,588 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:52:32,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:52:32,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:52:32,593 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:52:32,594 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:52:32,595 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:52:32,596 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:52:32,600 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:52:32,601 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:52:32,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:52:32,614 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:52:32,621 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:52:32,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:52:32,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:52:32,630 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:52:32,630 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:52:32,631 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:52:32,632 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:52:32,634 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:52:32,635 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:52:32,636 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:52:32,642 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:52:32,642 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:52:32,644 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:52:32,645 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:52:32,645 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:52:32,647 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:52:32,649 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:52:32,649 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 14:52:32,669 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:52:32,670 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:52:32,671 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:52:32,672 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:52:32,672 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:52:32,672 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:52:32,673 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:52:32,673 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:52:32,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:52:32,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:52:32,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:52:32,776 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:52:32,777 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:52:32,777 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/simple4.i_3.bpl [2018-07-25 14:52:32,778 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/simple4.i_3.bpl' [2018-07-25 14:52:32,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:52:32,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:52:32,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:52:32,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:52:32,853 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:52:32,876 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 25.07 02:52:32" (1/1) ... [2018-07-25 14:52:32,892 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 25.07 02:52:32" (1/1) ... [2018-07-25 14:52:32,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:52:32,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:52:32,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:52:32,900 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:52:32,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:52:32" (1/1) ... [2018-07-25 14:52:32,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:52:32" (1/1) ... [2018-07-25 14:52:32,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:52:32" (1/1) ... [2018-07-25 14:52:32,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:52:32" (1/1) ... [2018-07-25 14:52:32,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:52:32" (1/1) ... [2018-07-25 14:52:32,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:52:32" (1/1) ... [2018-07-25 14:52:32,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:52:32" (1/1) ... [2018-07-25 14:52:32,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:52:32,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:52:32,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:52:32,923 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:52:32,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:52:32" (1/1) ... [2018-07-25 14:52:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:52:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:52:33,137 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:52:33,138 INFO L202 PluginConnector]: Adding new model simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:52:33 BoogieIcfgContainer [2018-07-25 14:52:33,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:52:33,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:52:33,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:52:33,143 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:52:33,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:52:32" (1/2) ... [2018-07-25 14:52:33,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49741979 and model type simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:52:33, skipping insertion in model container [2018-07-25 14:52:33,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:52:33" (2/2) ... [2018-07-25 14:52:33,148 INFO L112 eAbstractionObserver]: Analyzing ICFG simple4.i_3.bpl [2018-07-25 14:52:33,159 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:52:33,168 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:52:33,219 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:52:33,221 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:52:33,221 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:52:33,221 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:52:33,221 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:52:33,222 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:52:33,222 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:52:33,222 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:52:33,222 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:52:33,239 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:52:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:52:33,248 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:52:33,250 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:52:33,251 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:52:33,258 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-25 14:52:33,266 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:52:33,500 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:52:33,501 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 14:52:33,506 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:52:33,512 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:52:33,513 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 14:52:33,516 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 14:52:33,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:52:33,569 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:52:33,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:52:33,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 14:52:33,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:52:33,591 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:52:33,593 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:52:33,596 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 14:52:33,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:52:33,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:52:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:52:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:52:33,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:52:33,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:52:33,632 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:52:33,632 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:52:33,632 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:52:33,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:52:33,633 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:52:33,633 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:52:33,633 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:52:33,634 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-25 14:52:33,634 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:52:34,964 WARN L169 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-07-25 14:52:35,580 WARN L169 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-07-25 14:52:36,438 WARN L169 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-07-25 14:52:37,458 WARN L169 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-07-25 14:52:38,624 WARN L169 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-07-25 14:52:40,002 WARN L169 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-07-25 14:52:41,394 WARN L169 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-07-25 14:52:43,140 WARN L169 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-07-25 14:52:45,170 WARN L169 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-07-25 14:52:47,429 WARN L169 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-07-25 14:52:49,913 WARN L169 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-07-25 14:52:52,818 WARN L169 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-07-25 14:52:56,133 WARN L169 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-07-25 14:52:59,764 WARN L169 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2018-07-25 14:53:03,025 WARN L169 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-07-25 14:53:06,986 WARN L169 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 256 [2018-07-25 14:53:10,347 WARN L169 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2018-07-25 14:53:14,044 WARN L169 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-07-25 14:53:18,728 WARN L169 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 295 [2018-07-25 14:53:23,334 WARN L169 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 308 [2018-07-25 14:53:28,554 WARN L169 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 321 [2018-07-25 14:53:34,730 WARN L169 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 334 [2018-07-25 14:53:41,443 WARN L169 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 347 [2018-07-25 14:53:48,502 WARN L169 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 360 [2018-07-25 14:53:56,525 WARN L169 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 373 [2018-07-25 14:54:06,063 WARN L169 SmtUtils]: Spent 2.92 s on a formula simplification that was a NOOP. DAG size: 386 [2018-07-25 14:54:16,237 WARN L169 SmtUtils]: Spent 3.20 s on a formula simplification that was a NOOP. DAG size: 399 [2018-07-25 14:54:27,562 WARN L169 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 412 [2018-07-25 14:54:40,164 WARN L169 SmtUtils]: Spent 3.99 s on a formula simplification that was a NOOP. DAG size: 425 [2018-07-25 14:54:53,362 WARN L169 SmtUtils]: Spent 4.00 s on a formula simplification that was a NOOP. DAG size: 438 [2018-07-25 14:55:07,707 WARN L169 SmtUtils]: Spent 4.54 s on a formula simplification that was a NOOP. DAG size: 451 [2018-07-25 14:55:23,639 WARN L169 SmtUtils]: Spent 4.91 s on a formula simplification that was a NOOP. DAG size: 464 [2018-07-25 14:55:41,124 WARN L169 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 477 [2018-07-25 14:56:00,343 WARN L169 SmtUtils]: Spent 6.59 s on a formula simplification that was a NOOP. DAG size: 490 [2018-07-25 14:56:22,197 WARN L169 SmtUtils]: Spent 7.37 s on a formula simplification that was a NOOP. DAG size: 503 [2018-07-25 14:56:45,253 WARN L169 SmtUtils]: Spent 7.94 s on a formula simplification that was a NOOP. DAG size: 516 Received shutdown request... [2018-07-25 14:56:52,873 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:56:52,878 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:56:52,878 INFO L202 PluginConnector]: Adding new model simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:56:52 BoogieIcfgContainer [2018-07-25 14:56:52,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:56:52,879 INFO L168 Benchmark]: Toolchain (without parser) took 260030.09 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 758.8 MB in the end (delta: 690.7 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-07-25 14:56:52,881 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:56:52,881 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.76 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:56:52,883 INFO L168 Benchmark]: Boogie Preprocessor took 21.66 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:56:52,883 INFO L168 Benchmark]: RCFGBuilder took 216.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 14:56:52,884 INFO L168 Benchmark]: TraceAbstraction took 259738.81 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 758.8 MB in the end (delta: 680.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-07-25 14:56:52,889 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 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.76 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.66 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 216.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 259738.81 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 758.8 MB in the end (delta: 680.1 MB). Peak memory consumption was 1.9 GB. 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, 259.6s 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: 0.1s 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/simple4.i_3.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-56-52-903.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple4.i_3.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-56-52-903.csv Completed graceful shutdown