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/real-life/Elevator-Integer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:31:12,612 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:31:12,615 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:31:12,627 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:31:12,627 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:31:12,628 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:31:12,630 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:31:12,631 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:31:12,633 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:31:12,634 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:31:12,635 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:31:12,635 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:31:12,636 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:31:12,637 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:31:12,639 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:31:12,639 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:31:12,640 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:31:12,642 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:31:12,644 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:31:12,646 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:31:12,647 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:31:12,648 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:31:12,651 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:31:12,651 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:31:12,651 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:31:12,652 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:31:12,653 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:31:12,654 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:31:12,655 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:31:12,656 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:31:12,656 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:31:12,657 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:31:12,657 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:31:12,657 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:31:12,658 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:31:12,659 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:31:12,659 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 08:31:12,675 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:31:12,677 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:31:12,678 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:31:12,679 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:31:12,679 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:31:12,679 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:31:12,679 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:31:12,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:31:12,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:31:12,765 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:31:12,767 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:31:12,768 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:31:12,768 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2018-09-26 08:31:12,769 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2018-09-26 08:31:12,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:31:12,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:31:12,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:31:12,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:31:12,830 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:31:12,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:12,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:12,872 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 08:31:12,872 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 08:31:12,872 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 08:31:12,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:31:12,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:31:12,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:31:12,876 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:31:12,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:12,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:12,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:12,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:12,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:12,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:12,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:12,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:31:12,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:31:12,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:31:12,916 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:31:12,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (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 08:31:13,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-26 08:31:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-26 08:31:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-26 08:31:14,694 INFO L343 CfgBuilder]: Using library mode [2018-09-26 08:31:14,695 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:31:14 BoogieIcfgContainer [2018-09-26 08:31:14,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:31:14,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:31:14,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:31:14,700 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:31:14,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/2) ... [2018-09-26 08:31:14,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556e8866 and model type Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:31:14, skipping insertion in model container [2018-09-26 08:31:14,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:31:14" (2/2) ... [2018-09-26 08:31:14,704 INFO L112 eAbstractionObserver]: Analyzing ICFG Elevator-Integer.bpl [2018-09-26 08:31:14,714 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:31:14,724 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:31:14,770 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:31:14,771 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:31:14,771 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:31:14,771 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:31:14,771 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:31:14,771 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:31:14,771 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:31:14,771 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:31:14,772 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:31:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 08:31:14,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 08:31:14,794 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:14,795 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 08:31:14,796 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:14,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:14,803 INFO L82 PathProgramCache]: Analyzing trace with hash 35564, 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 08:31:14,820 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:16,182 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:16,252 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7680 conjuctions. This might take some time... [2018-09-26 08:31:21,249 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7680 conjuctions. [2018-09-26 08:31:21,420 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:21,459 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7680 conjuctions. This might take some time... [2018-09-26 08:31:26,347 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7680 conjuctions. [2018-09-26 08:31:26,606 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:26,673 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8192 conjuctions. This might take some time... [2018-09-26 08:31:31,856 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 8192 conjuctions. [2018-09-26 08:31:31,924 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:31,965 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7680 conjuctions. This might take some time... [2018-09-26 08:31:40,580 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7680 conjuctions. [2018-09-26 08:32:06,379 WARN L178 SmtUtils]: Spent 21.60 s on a formula simplification. DAG size of input: 913 DAG size of output: 77 [2018-09-26 08:32:06,969 WARN L178 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-26 08:32:07,005 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:32:07,006 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:32:07,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:32:07,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:32:07,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-26 08:32:07,021 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 4 states. [2018-09-26 08:32:07,441 WARN L178 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 33 [2018-09-26 08:32:07,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:32:07,487 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-09-26 08:32:07,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:32:07,489 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-09-26 08:32:07,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:32:07,500 INFO L225 Difference]: With dead ends: 9 [2018-09-26 08:32:07,500 INFO L226 Difference]: Without dead ends: 6 [2018-09-26 08:32:07,503 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.9s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-26 08:32:07,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-09-26 08:32:07,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-09-26 08:32:07,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-09-26 08:32:07,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-26 08:32:07,534 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 3 [2018-09-26 08:32:07,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:32:07,534 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-09-26 08:32:07,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:32:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-26 08:32:07,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 08:32:07,535 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:32:07,535 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-09-26 08:32:07,535 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:32:07,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:32:07,536 INFO L82 PathProgramCache]: Analyzing trace with hash 34183738, 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 08:32:07,548 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:32:31,716 WARN L178 SmtUtils]: Spent 22.81 s on a formula simplification. DAG size of input: 901 DAG size of output: 77 [2018-09-26 08:32:32,287 WARN L178 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-26 08:32:32,576 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 30 [2018-09-26 08:32:32,815 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-09-26 08:32:33,562 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:32:33,626 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:32:48,089 WARN L178 SmtUtils]: Spent 13.21 s on a formula simplification. DAG size of input: 722 DAG size of output: 67 [2018-09-26 08:32:49,116 WARN L178 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-09-26 08:32:50,949 WARN L178 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2018-09-26 08:32:52,146 WARN L178 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2018-09-26 08:33:52,345 WARN L178 SmtUtils]: Spent 51.51 s on a formula simplification. DAG size of input: 1485 DAG size of output: 85 [2018-09-26 08:33:53,022 WARN L178 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-09-26 08:33:55,026 WARN L178 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 165 DAG size of output: 127 [2018-09-26 08:33:56,947 WARN L178 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2018-09-26 08:33:57,445 WARN L178 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-09-26 08:33:58,493 WARN L178 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2018-09-26 08:34:01,930 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:01,937 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:01,944 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:01,953 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:01,964 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:01,971 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:01,997 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,015 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,051 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,092 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,131 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:02,135 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:02,146 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:02,161 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:02,168 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:02,177 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:02,184 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:02,225 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,237 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,250 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,260 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,292 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,308 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,341 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,358 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,386 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:02,405 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,423 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,455 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,466 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,484 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,531 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,584 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:02,637 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:34:02,648 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,669 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 08:34:02,722 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:34:02,752 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:34:02,774 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:34:02,800 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:34:02,871 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:34:02,929 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:34:03,001 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:34:03,020 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 Received shutdown request... [2018-09-26 08:35:24,455 WARN L186 SmtUtils]: Removed 2 from assertion stack [2018-09-26 08:35:24,656 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:35:24,657 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:35:24,662 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:35:24,663 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:35:24 BoogieIcfgContainer [2018-09-26 08:35:24,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:35:24,664 INFO L168 Benchmark]: Toolchain (without parser) took 251838.64 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 511.2 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-26 08:35:24,665 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:35:24,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.92 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 08:35:24,667 INFO L168 Benchmark]: Boogie Preprocessor took 39.45 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 08:35:24,668 INFO L168 Benchmark]: RCFGBuilder took 1779.71 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-09-26 08:35:24,669 INFO L168 Benchmark]: TraceAbstraction took 249966.13 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 511.2 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 106.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-26 08:35:24,673 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.92 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 39.45 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 1779.71 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 249966.13 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 511.2 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 106.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 185]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 185). Cancelled while BasicCegarLoop was analyzing trace of length 6 with TraceHistMax 2, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3596. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. TIMEOUT Result, 249.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 4 SDslu, 1 SDs, 0 SdLazy, 7 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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: 52.1s 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/Elevator-Integer.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-35-24-689.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Elevator-Integer.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-35-24-689.csv Completed graceful shutdown