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/ElevatorWithAssignments.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:31:12,695 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:31:12,697 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:31:12,709 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:31:12,710 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:31:12,711 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:31:12,712 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:31:12,714 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:31:12,715 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:31:12,716 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:31:12,717 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:31:12,718 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:31:12,719 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:31:12,720 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:31:12,721 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:31:12,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:31:12,723 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:31:12,724 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:31:12,727 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:31:12,728 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:31:12,733 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:31:12,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:31:12,737 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:31:12,738 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:31:12,739 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:31:12,740 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:31:12,741 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:31:12,742 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:31:12,746 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:31:12,747 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:31:12,747 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:31:12,749 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:31:12,750 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:31:12,750 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:31:12,754 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:31:12,755 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:31:12,755 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 08:31:12,773 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:31:12,773 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:31:12,774 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:31:12,775 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:31:12,775 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:31:12,775 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:31:12,775 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:31:12,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:31:12,879 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:31:12,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:31:12,888 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:31:12,888 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:31:12,889 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-09-26 08:31:12,889 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-09-26 08:31:12,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:31:12,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:31:12,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:31:12,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:31:12,957 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:31:12,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:12,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:12,997 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 08:31:12,997 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 08:31:12,997 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 08:31:12,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:31:13,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:31:13,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:31:13,001 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:31:13,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:13,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:13,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:13,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:13,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:13,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:13,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/1) ... [2018-09-26 08:31:13,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:31:13,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:31:13,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:31:13,036 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:31:13,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.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 08:31:13,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-26 08:31:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-26 08:31:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-26 08:31:14,818 INFO L343 CfgBuilder]: Using library mode [2018-09-26 08:31:14,819 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:31:14 BoogieIcfgContainer [2018-09-26 08:31:14,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:31:14,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:31:14,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:31:14,823 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:31:14,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:12" (1/2) ... [2018-09-26 08:31:14,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5550a2a8 and model type ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:31:14, skipping insertion in model container [2018-09-26 08:31:14,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:31:14" (2/2) ... [2018-09-26 08:31:14,827 INFO L112 eAbstractionObserver]: Analyzing ICFG ElevatorWithAssignments.bpl [2018-09-26 08:31:14,837 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:31:14,846 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:31:14,898 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:31:14,899 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:31:14,899 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:31:14,899 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:31:14,899 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:31:14,900 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:31:14,900 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:31:14,900 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:31:14,900 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:31:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 08:31:14,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 08:31:14,922 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:14,923 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-26 08:31:14,924 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ElevatorErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-09-26 08:31:14,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:14,931 INFO L82 PathProgramCache]: Analyzing trace with hash 963, 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 08:31:14,946 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:15,095 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:15,096 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-26 08:31:15,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:31:15,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:31:15,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:31:15,112 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-26 08:31:15,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:15,214 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-09-26 08:31:15,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:31:15,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-09-26 08:31:15,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:15,238 INFO L225 Difference]: With dead ends: 7 [2018-09-26 08:31:15,238 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 08:31:15,242 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:31:15,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 08:31:15,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 08:31:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 08:31:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 08:31:15,275 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 2 [2018-09-26 08:31:15,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:15,275 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 08:31:15,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:31:15,276 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 08:31:15,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:31:15,276 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:15,276 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:31:15,277 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ElevatorErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-09-26 08:31:15,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:15,277 INFO L82 PathProgramCache]: Analyzing trace with hash 932048, 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 08:31:15,286 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:30,125 WARN L178 SmtUtils]: Spent 13.89 s on a formula simplification. DAG size of input: 659 DAG size of output: 77 [2018-09-26 08:31:30,807 WARN L178 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-26 08:31:31,299 WARN L178 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 30 [2018-09-26 08:31:31,591 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-09-26 08:31:32,826 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:31:32,839 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:31:32,844 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:32,845 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:32,880 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:31:32,888 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:31:32,900 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:32,903 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:33,073 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:31:33,083 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:31:33,088 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:31:33,095 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:33,098 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:33,105 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:33,106 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:33,112 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:31:33,129 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:31:33,134 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:33,136 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:33,141 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:31:33,152 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 08:31:33,164 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:33,166 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:33,246 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:31:43,892 WARN L178 SmtUtils]: Spent 10.08 s on a formula simplification. DAG size of input: 619 DAG size of output: 68 [2018-09-26 08:31:44,424 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-09-26 08:31:46,236 WARN L178 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 123 DAG size of output: 113 [2018-09-26 08:31:47,323 WARN L178 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2018-09-26 08:31:50,125 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:31:50,583 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:50,711 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:50,969 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:51,112 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:51,812 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:31:53,529 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:53,533 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:53,534 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:53,536 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:54,252 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:31:54,725 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:54,854 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:54,962 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:55,087 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:55,261 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:55,476 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:55,615 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:55,727 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:55,910 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:56,096 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:56,246 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:56,399 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 08:31:56,494 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 08:33:30,265 WARN L178 SmtUtils]: Spent 1.41 m on a formula simplification. DAG size of input: 1930 DAG size of output: 85 [2018-09-26 08:33:30,969 WARN L178 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-09-26 08:33:32,997 WARN L178 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 165 DAG size of output: 127 [2018-09-26 08:33:35,313 WARN L178 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2018-09-26 08:33:35,821 WARN L178 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-09-26 08:33:36,844 WARN L178 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 Received shutdown request... [2018-09-26 08:35:23,479 WARN L186 SmtUtils]: Removed 750 from assertion stack [2018-09-26 08:35:23,682 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:35:23,682 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:35:23,688 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:35:23,689 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:35:23 BoogieIcfgContainer [2018-09-26 08:35:23,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:35:23,690 INFO L168 Benchmark]: Toolchain (without parser) took 250737.87 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 104.3 MB). Free memory was 1.5 GB in the beginning and 956.2 MB in the end (delta: 495.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-26 08:35:23,691 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 08:35:23,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.04 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 08:35:23,692 INFO L168 Benchmark]: Boogie Preprocessor took 35.10 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 08:35:23,693 INFO L168 Benchmark]: RCFGBuilder took 1783.23 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 08:35:23,694 INFO L168 Benchmark]: TraceAbstraction took 248868.82 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 104.3 MB). Free memory was 1.4 GB in the beginning and 956.2 MB in the end (delta: 432.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-26 08:35:23,699 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 43.04 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 35.10 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 1783.23 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 248868.82 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 104.3 MB). Free memory was 1.4 GB in the beginning and 956.2 MB in the end (delta: 432.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that loop invariant is valid and assertion always holds (line 48). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 2405. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. TIMEOUT Result, 248.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred 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: 0.0s 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/ElevatorWithAssignments.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-35-23-712.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ElevatorWithAssignments.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-35-23-712.csv Completed graceful shutdown