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/nonlinear/Mult1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:21:03,461 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:21:03,466 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:21:03,480 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:21:03,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:21:03,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:21:03,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:21:03,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:21:03,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:21:03,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:21:03,491 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:21:03,492 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:21:03,493 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:21:03,494 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:21:03,495 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:21:03,496 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:21:03,496 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:21:03,498 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:21:03,500 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:21:03,502 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:21:03,503 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:21:03,504 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:21:03,506 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:21:03,507 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:21:03,507 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:21:03,508 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:21:03,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:21:03,510 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:21:03,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:21:03,512 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:21:03,512 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:21:03,513 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:21:03,513 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:21:03,513 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:21:03,514 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:21:03,515 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:21:03,515 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 09:21:03,526 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:21:03,526 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:21:03,529 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:21:03,529 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:21:03,529 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:21:03,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:21:03,529 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:21:03,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:21:03,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:21:03,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:21:03,601 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:21:03,602 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:21:03,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl [2018-09-26 09:21:03,603 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl' [2018-09-26 09:21:03,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:21:03,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:21:03,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:21:03,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:21:03,652 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:21:03,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:03" (1/1) ... [2018-09-26 09:21:03,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:03" (1/1) ... [2018-09-26 09:21:03,689 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:21:03,689 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:21:03,689 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:21:03,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:21:03,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:21:03,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:21:03,693 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:21:03,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:03" (1/1) ... [2018-09-26 09:21:03,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:03" (1/1) ... [2018-09-26 09:21:03,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:03" (1/1) ... [2018-09-26 09:21:03,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:03" (1/1) ... [2018-09-26 09:21:03,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:03" (1/1) ... [2018-09-26 09:21:03,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:03" (1/1) ... [2018-09-26 09:21:03,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:03" (1/1) ... [2018-09-26 09:21:03,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:21:03,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:21:03,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:21:03,715 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:21:03,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:03" (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 09:21:03,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2018-09-26 09:21:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2018-09-26 09:21:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2018-09-26 09:21:03,864 WARN L633 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-09-26 09:21:04,037 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:21:04,038 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:21:04 BoogieIcfgContainer [2018-09-26 09:21:04,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:21:04,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:21:04,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:21:04,043 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:21:04,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:03" (1/2) ... [2018-09-26 09:21:04,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77dc10e5 and model type Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:21:04, skipping insertion in model container [2018-09-26 09:21:04,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:21:04" (2/2) ... [2018-09-26 09:21:04,047 INFO L112 eAbstractionObserver]: Analyzing ICFG Mult1-Safe.bpl [2018-09-26 09:21:04,059 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:21:04,069 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:21:04,120 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:21:04,121 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:21:04,122 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:21:04,122 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:21:04,122 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:21:04,122 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:21:04,122 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:21:04,123 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:21:04,123 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:21:04,146 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 09:21:04,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:21:04,162 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:21:04,163 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:21:04,165 INFO L423 AbstractCegarLoop]: === Iteration 1 === [multErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2018-09-26 09:21:04,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:21:04,173 INFO L82 PathProgramCache]: Analyzing trace with hash 39627, 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 09:21:04,197 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:21:04,539 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:21:04,539 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:21:04,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:21:04,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:21:04,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:21:04,552 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 4 states. [2018-09-26 09:21:04,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:21:04,615 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-09-26 09:21:04,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 09:21:04,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-09-26 09:21:04,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:21:04,628 INFO L225 Difference]: With dead ends: 8 [2018-09-26 09:21:04,629 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 09:21:04,632 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 09:21:04,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 09:21:04,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 09:21:04,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 09:21:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 09:21:04,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 09:21:04,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:21:04,667 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 09:21:04,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:21:04,668 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 09:21:04,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:21:04,668 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:21:04,668 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:21:04,669 INFO L423 AbstractCegarLoop]: === Iteration 2 === [multErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2018-09-26 09:21:04,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:21:04,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1226462, 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 09:21:04,685 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:21:05,280 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2018-09-26 09:21:06,304 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-09-26 09:21:06,974 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-09-26 09:21:07,307 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-26 09:21:07,946 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-09-26 09:21:09,482 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2018-09-26 09:21:10,278 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-26 09:21:10,830 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-26 09:21:11,314 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 09:21:11,994 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-26 09:21:12,563 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-09-26 09:21:13,419 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-09-26 09:21:14,136 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-09-26 09:21:14,891 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-26 09:21:15,620 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2018-09-26 09:21:16,399 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2018-09-26 09:21:17,528 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-09-26 09:21:18,555 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-09-26 09:21:19,594 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-09-26 09:21:20,664 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2018-09-26 09:21:21,928 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2018-09-26 09:21:23,308 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-09-26 09:21:24,525 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-09-26 09:21:26,332 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-09-26 09:21:28,649 WARN L178 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2018-09-26 09:21:30,942 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2018-09-26 09:21:32,547 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-09-26 09:21:34,119 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2018-09-26 09:21:35,746 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 326 [2018-09-26 09:21:37,518 WARN L178 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-09-26 09:21:39,324 WARN L178 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2018-09-26 09:21:41,209 WARN L178 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-09-26 09:21:43,191 WARN L178 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2018-09-26 09:21:45,276 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-09-26 09:21:47,438 WARN L178 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2018-09-26 09:21:49,740 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2018-09-26 09:21:52,088 WARN L178 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2018-09-26 09:21:54,636 WARN L178 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-09-26 09:21:57,222 WARN L178 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2018-09-26 09:21:59,912 WARN L178 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 425 [2018-09-26 09:22:02,782 WARN L178 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 434 [2018-09-26 09:22:05,738 WARN L178 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-09-26 09:22:08,753 WARN L178 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2018-09-26 09:22:11,921 WARN L178 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2018-09-26 09:22:15,272 WARN L178 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 470 [2018-09-26 09:22:18,657 WARN L178 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 479 [2018-09-26 09:22:22,166 WARN L178 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2018-09-26 09:22:25,821 WARN L178 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2018-09-26 09:22:29,604 WARN L178 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2018-09-26 09:22:33,520 WARN L178 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2018-09-26 09:22:37,637 WARN L178 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2018-09-26 09:22:41,892 WARN L178 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2018-09-26 09:22:46,277 WARN L178 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2018-09-26 09:22:50,828 WARN L178 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2018-09-26 09:22:55,457 WARN L178 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2018-09-26 09:23:00,330 WARN L178 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2018-09-26 09:23:05,243 WARN L178 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2018-09-26 09:23:10,410 WARN L178 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2018-09-26 09:23:15,682 WARN L178 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2018-09-26 09:23:21,228 WARN L178 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2018-09-26 09:23:26,865 WARN L178 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2018-09-26 09:23:32,756 WARN L178 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 623 [2018-09-26 09:23:38,870 WARN L178 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2018-09-26 09:23:45,144 WARN L178 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2018-09-26 09:23:51,405 WARN L178 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 650 [2018-09-26 09:23:57,959 WARN L178 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 659 [2018-09-26 09:24:04,672 WARN L178 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 668 [2018-09-26 09:24:11,680 WARN L178 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 677 [2018-09-26 09:24:18,948 WARN L178 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 686 [2018-09-26 09:24:26,195 WARN L178 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 695 [2018-09-26 09:24:33,749 WARN L178 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 704 [2018-09-26 09:24:41,648 WARN L178 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 713 [2018-09-26 09:24:49,516 WARN L178 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 722 [2018-09-26 09:24:57,746 WARN L178 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 731 [2018-09-26 09:25:06,023 WARN L178 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 740 [2018-09-26 09:25:14,564 WARN L178 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 749 [2018-09-26 09:25:23,436 WARN L178 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 758 [2018-09-26 09:25:32,586 WARN L178 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 767 [2018-09-26 09:25:42,113 WARN L178 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 776 Received shutdown request... [2018-09-26 09:25:46,456 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:25:46,456 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:25:46,462 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:25:46,462 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:25:46 BoogieIcfgContainer [2018-09-26 09:25:46,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:25:46,463 INFO L168 Benchmark]: Toolchain (without parser) took 282815.21 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -323.0 MB). Free memory was 1.5 GB in the beginning and 879.8 MB in the end (delta: 577.5 MB). Peak memory consumption was 254.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:25:46,464 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 09:25:46,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.72 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 09:25:46,466 INFO L168 Benchmark]: Boogie Preprocessor took 21.52 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 09:25:46,466 INFO L168 Benchmark]: RCFGBuilder took 324.05 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 09:25:46,467 INFO L168 Benchmark]: TraceAbstraction took 282422.99 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -323.0 MB). Free memory was 1.4 GB in the beginning and 879.8 MB in the end (delta: 556.4 MB). Peak memory consumption was 233.4 MB. Max. memory is 7.1 GB. [2018-09-26 09:25:46,471 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 40.72 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 21.52 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 324.05 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 282422.99 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -323.0 MB). Free memory was 1.4 GB in the beginning and 879.8 MB in the end (delta: 556.4 MB). Peak memory consumption was 233.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 9]: Timeout (TraceAbstraction) Unable to prove that procedure postcondition always holds (line 9). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 282.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 7 SolverSat, 2 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=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: 0.2s 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/Mult1-Safe.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-25-46-483.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Mult1-Safe.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-25-46-483.csv Completed graceful shutdown