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-z3.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LuxembourgOctopus.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:16:30,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:16:30,450 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:16:30,466 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:16:30,467 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:16:30,468 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:16:30,470 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:16:30,473 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:16:30,475 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:16:30,476 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:16:30,477 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:16:30,479 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:16:30,480 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:16:30,482 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:16:30,483 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:16:30,495 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:16:30,496 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:16:30,498 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:16:30,499 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:16:30,501 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:16:30,502 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:16:30,503 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:16:30,505 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:16:30,506 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:16:30,506 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:16:30,507 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:16:30,508 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:16:30,509 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:16:30,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:16:30,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:16:30,511 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:16:30,512 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:16:30,512 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:16:30,512 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:16:30,513 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:16:30,514 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:16:30,514 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 09:16:30,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:16:30,523 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:16:30,524 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:16:30,525 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:16:30,525 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:16:30,525 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:16:30,525 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:16:30,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:16:30,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:16:30,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:16:30,603 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:16:30,604 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:16:30,605 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LuxembourgOctopus.bpl [2018-09-26 09:16:30,605 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LuxembourgOctopus.bpl' [2018-09-26 09:16:30,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:16:30,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:16:30,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:16:30,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:16:30,663 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:16:30,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:30" (1/1) ... [2018-09-26 09:16:30,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:30" (1/1) ... [2018-09-26 09:16:30,703 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:16:30,703 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:16:30,703 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:16:30,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:16:30,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:16:30,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:16:30,707 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:16:30,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:30" (1/1) ... [2018-09-26 09:16:30,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:30" (1/1) ... [2018-09-26 09:16:30,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:30" (1/1) ... [2018-09-26 09:16:30,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:30" (1/1) ... [2018-09-26 09:16:30,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:30" (1/1) ... [2018-09-26 09:16:30,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:30" (1/1) ... [2018-09-26 09:16:30,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:30" (1/1) ... [2018-09-26 09:16:30,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:16:30,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:16:30,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:16:30,730 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:16:30,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:30" (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 [2018-09-26 09:16:30,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 09:16:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 09:16:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 09:16:30,980 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:16:30,980 INFO L202 PluginConnector]: Adding new model LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:16:30 BoogieIcfgContainer [2018-09-26 09:16:30,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:16:30,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:16:30,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:16:30,986 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:16:30,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:30" (1/2) ... [2018-09-26 09:16:30,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbad11c and model type LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:16:30, skipping insertion in model container [2018-09-26 09:16:30,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:16:30" (2/2) ... [2018-09-26 09:16:30,989 INFO L112 eAbstractionObserver]: Analyzing ICFG LuxembourgOctopus.bpl [2018-09-26 09:16:30,999 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:16:31,007 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:16:31,056 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:16:31,057 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:16:31,057 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:16:31,057 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:16:31,058 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:16:31,058 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:16:31,058 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:16:31,058 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:16:31,058 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:16:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:16:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:16:31,083 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:16:31,084 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:16:31,086 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:16:31,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:16:31,092 INFO L82 PathProgramCache]: Analyzing trace with hash 30048, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:16:31,117 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:16:31,434 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:16:31,435 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:16:31,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:16:31,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:16:31,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:16:31,448 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 09:16:31,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:16:31,530 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2018-09-26 09:16:31,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 09:16:31,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-09-26 09:16:31,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:16:31,544 INFO L225 Difference]: With dead ends: 11 [2018-09-26 09:16:31,545 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 09:16:31,548 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:16:31,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 09:16:31,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 09:16:31,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 09:16:31,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 09:16:31,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 09:16:31,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:16:31,584 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 09:16:31,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:16:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 09:16:31,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:16:31,585 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:16:31,585 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:16:31,585 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:16:31,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:16:31,586 INFO L82 PathProgramCache]: Analyzing trace with hash 927622, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:16:31,599 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:16:36,148 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-26 09:16:37,183 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-26 09:16:37,640 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 09:16:38,103 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-26 09:16:38,552 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-09-26 09:16:39,190 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-09-26 09:16:39,759 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-09-26 09:16:40,399 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-09-26 09:16:41,044 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-09-26 09:16:41,660 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2018-09-26 09:16:42,315 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-09-26 09:16:43,193 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-09-26 09:16:44,007 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2018-09-26 09:16:44,808 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-09-26 09:16:45,705 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2018-09-26 09:16:46,747 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-09-26 09:16:48,221 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-09-26 09:16:50,579 WARN L178 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2018-09-26 09:16:51,649 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-09-26 09:16:52,865 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-09-26 09:16:54,006 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2018-09-26 09:16:55,304 WARN L178 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-09-26 09:16:56,737 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2018-09-26 09:16:58,053 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2018-09-26 09:16:59,486 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2018-09-26 09:17:00,961 WARN L178 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-09-26 09:17:02,514 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-09-26 09:17:04,164 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2018-09-26 09:17:05,877 WARN L178 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2018-09-26 09:17:07,592 WARN L178 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2018-09-26 09:17:09,410 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 326 [2018-09-26 09:17:11,340 WARN L178 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-09-26 09:17:13,312 WARN L178 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2018-09-26 09:17:15,490 WARN L178 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-09-26 09:17:17,855 WARN L178 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2018-09-26 09:17:20,046 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2018-09-26 09:17:22,398 WARN L178 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2018-09-26 09:17:24,738 WARN L178 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2018-09-26 09:17:27,194 WARN L178 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2018-09-26 09:17:29,759 WARN L178 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2018-09-26 09:17:32,426 WARN L178 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2018-09-26 09:17:35,233 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2018-09-26 09:17:38,166 WARN L178 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2018-09-26 09:17:41,145 WARN L178 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-09-26 09:17:44,215 WARN L178 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2018-09-26 09:17:47,444 WARN L178 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-09-26 09:17:50,732 WARN L178 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2018-09-26 09:17:54,275 WARN L178 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2018-09-26 09:17:57,828 WARN L178 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2018-09-26 09:18:01,396 WARN L178 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-09-26 09:18:05,111 WARN L178 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2018-09-26 09:18:08,953 WARN L178 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 473 [2018-09-26 09:18:12,966 WARN L178 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 480 [2018-09-26 09:18:17,001 WARN L178 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 487 [2018-09-26 09:18:21,160 WARN L178 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2018-09-26 09:18:25,592 WARN L178 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-09-26 09:18:30,047 WARN L178 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2018-09-26 09:18:34,654 WARN L178 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2018-09-26 09:18:39,436 WARN L178 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2018-09-26 09:18:44,293 WARN L178 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2018-09-26 09:18:49,279 WARN L178 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2018-09-26 09:18:54,338 WARN L178 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2018-09-26 09:18:59,711 WARN L178 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2018-09-26 09:19:05,380 WARN L178 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2018-09-26 09:19:11,039 WARN L178 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2018-09-26 09:19:16,881 WARN L178 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2018-09-26 09:19:22,788 WARN L178 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2018-09-26 09:19:28,801 WARN L178 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 585 [2018-09-26 09:19:35,022 WARN L178 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 592 [2018-09-26 09:19:41,331 WARN L178 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2018-09-26 09:19:47,925 WARN L178 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2018-09-26 09:19:54,629 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 613 [2018-09-26 09:20:01,489 WARN L178 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 620 [2018-09-26 09:20:08,611 WARN L178 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 627 [2018-09-26 09:20:15,891 WARN L178 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 634 [2018-09-26 09:20:23,258 WARN L178 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 641 [2018-09-26 09:20:30,882 WARN L178 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 648 [2018-09-26 09:20:38,610 WARN L178 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 655 [2018-09-26 09:20:46,553 WARN L178 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 662 [2018-09-26 09:20:54,770 WARN L178 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 669 [2018-09-26 09:21:03,175 WARN L178 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 676 Received shutdown request... [2018-09-26 09:21:10,268 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:21:10,268 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:21:10,274 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:21:10,275 INFO L202 PluginConnector]: Adding new model LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:21:10 BoogieIcfgContainer [2018-09-26 09:21:10,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:21:10,276 INFO L168 Benchmark]: Toolchain (without parser) took 279616.97 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -285.7 MB). Free memory was 1.5 GB in the beginning and 968.0 MB in the end (delta: 492.0 MB). Peak memory consumption was 306.9 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:10,277 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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 09:21:10,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.50 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 09:21:10,278 INFO L168 Benchmark]: Boogie Preprocessor took 23.19 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. [2018-09-26 09:21:10,279 INFO L168 Benchmark]: RCFGBuilder took 250.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:10,279 INFO L168 Benchmark]: TraceAbstraction took 279293.17 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -285.7 MB). Free memory was 1.4 GB in the beginning and 968.0 MB in the end (delta: 470.9 MB). Peak memory consumption was 285.8 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:10,283 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 0.18 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 43.50 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 23.19 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. * RCFGBuilder took 250.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 279293.17 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -285.7 MB). Free memory was 1.4 GB in the beginning and 968.0 MB in the end (delta: 470.9 MB). Peak memory consumption was 285.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 25]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 25). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 292 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 279.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 6 SDslu, 1 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, 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/LuxembourgOctopus.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-21-10-294.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/LuxembourgOctopus.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-21-10-294.csv Completed graceful shutdown