java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:26:13,436 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:26:13,438 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:26:13,455 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:26:13,455 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:26:13,456 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:26:13,458 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:26:13,460 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:26:13,463 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:26:13,471 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:26:13,473 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:26:13,474 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:26:13,475 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:26:13,475 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:26:13,476 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:26:13,477 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:26:13,482 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:26:13,483 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:26:13,487 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:26:13,488 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:26:13,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:26:13,492 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:26:13,495 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:26:13,495 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:26:13,495 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:26:13,496 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:26:13,497 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:26:13,498 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:26:13,499 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:26:13,503 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:26:13,503 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:26:13,505 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:26:13,505 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:26:13,505 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:26:13,508 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:26:13,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:26:13,509 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:26:13,516 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:26:13,517 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:26:13,518 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:26:13,518 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:26:13,518 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:26:13,519 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:26:13,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:26:13,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:26:13,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:26:13,585 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:26:13,585 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:26:13,586 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl [2018-07-25 09:26:13,586 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl' [2018-07-25 09:26:13,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:26:13,688 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:26:13,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:26:13,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:26:13,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:26:13,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:26:13" (1/1) ... [2018-07-25 09:26:13,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:26:13" (1/1) ... [2018-07-25 09:26:13,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:26:13,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:26:13,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:26:13,744 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:26:13,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:26:13" (1/1) ... [2018-07-25 09:26:13,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:26:13" (1/1) ... [2018-07-25 09:26:13,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:26:13" (1/1) ... [2018-07-25 09:26:13,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:26:13" (1/1) ... [2018-07-25 09:26:13,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:26:13" (1/1) ... [2018-07-25 09:26:13,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:26:13" (1/1) ... [2018-07-25 09:26:13,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:26:13" (1/1) ... [2018-07-25 09:26:13,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:26:13,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:26:13,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:26:13,807 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:26:13,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:26:13" (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 [2018-07-25 09:26:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 09:26:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 09:26:15,072 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 09:26:15,073 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:26:15 BoogieIcfgContainer [2018-07-25 09:26:15,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:26:15,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:26:15,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:26:15,078 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:26:15,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:26:13" (1/2) ... [2018-07-25 09:26:15,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8d801d and model type pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:26:15, skipping insertion in model container [2018-07-25 09:26:15,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:26:15" (2/2) ... [2018-07-25 09:26:15,081 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl [2018-07-25 09:26:15,091 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:26:15,100 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:26:15,146 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:26:15,147 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:26:15,147 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:26:15,148 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:26:15,148 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:26:15,148 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:26:15,148 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:26:15,148 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:26:15,149 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:26:15,163 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 09:26:15,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:26:15,172 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:26:15,173 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:26:15,174 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:26:15,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1001172, now seen corresponding path program 1 times [2018-07-25 09:26:15,186 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:26:16,063 WARN L169 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-07-25 09:26:16,421 WARN L169 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-07-25 09:26:16,455 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:26:16,456 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 09:26:16,460 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 09:26:16,467 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 09:26:16,468 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 09:26:16,471 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 09:26:16,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:26:16,550 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 09:26:16,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 09:26:16,553 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 09:26:16,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:26:16,564 INFO L225 Difference]: With dead ends: 10 [2018-07-25 09:26:16,564 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 09:26:16,568 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 09:26:16,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 09:26:16,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 09:26:16,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 09:26:16,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 09:26:16,606 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 09:26:16,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:26:16,607 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 09:26:16,607 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 09:26:16,607 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 09:26:16,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:26:16,608 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:26:16,608 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 09:26:16,609 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:26:16,609 INFO L82 PathProgramCache]: Analyzing trace with hash 962207787, now seen corresponding path program 1 times [2018-07-25 09:26:16,609 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:26:16,944 WARN L169 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-07-25 09:26:17,176 WARN L169 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-07-25 09:26:17,598 WARN L169 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-07-25 09:26:17,894 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-07-25 09:26:18,281 WARN L169 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 132 [2018-07-25 09:26:18,636 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-07-25 09:26:18,992 WARN L169 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-07-25 09:26:20,373 WARN L169 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 277 [2018-07-25 09:26:21,271 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2018-07-25 09:26:22,523 WARN L169 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2018-07-25 09:26:25,561 WARN L169 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 416 [2018-07-25 09:26:27,974 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2018-07-25 09:26:28,712 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-07-25 09:26:30,300 WARN L169 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-07-25 09:26:33,814 WARN L169 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2018-07-25 09:26:34,567 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-07-25 09:26:37,318 WARN L169 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 565 DAG size of output: 565 [2018-07-25 09:26:43,008 WARN L169 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2018-07-25 09:26:44,327 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2018-07-25 09:26:48,599 WARN L169 SmtUtils]: Spent 2.99 s on a formula simplification that was a NOOP. DAG size: 710 [2018-07-25 09:26:58,471 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2018-07-25 09:26:59,829 WARN L169 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2018-07-25 09:27:07,697 WARN L169 SmtUtils]: Spent 6.71 s on a formula simplification. DAG size of input: 714 DAG size of output: 714 [2018-07-25 09:27:23,124 WARN L169 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2018-07-25 09:27:25,444 WARN L169 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 613 [2018-07-25 09:27:34,706 WARN L169 SmtUtils]: Spent 6.75 s on a formula simplification that was a NOOP. DAG size: 859 [2018-07-25 09:27:59,305 WARN L169 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2018-07-25 09:28:01,817 WARN L169 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2018-07-25 09:28:19,938 WARN L169 SmtUtils]: Spent 15.87 s on a formula simplification. DAG size of input: 863 DAG size of output: 863 [2018-07-25 09:28:55,504 WARN L169 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 704 [2018-07-25 09:28:59,940 WARN L169 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 705 [2018-07-25 09:29:24,068 WARN L169 SmtUtils]: Spent 20.42 s on a formula simplification that was a NOOP. DAG size: 1008 [2018-07-25 09:30:18,974 WARN L169 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 708 [2018-07-25 09:30:23,466 WARN L169 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 709 Received shutdown request... [2018-07-25 09:31:00,269 WARN L177 SmtUtils]: Removed 9 from assertion stack [2018-07-25 09:31:00,271 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:31:00,275 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:31:00,276 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:31:00 BoogieIcfgContainer [2018-07-25 09:31:00,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:31:00,276 INFO L168 Benchmark]: Toolchain (without parser) took 286589.53 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 40.9 MB). Free memory was 1.5 GB in the beginning and 917.3 MB in the end (delta: 553.2 MB). Peak memory consumption was 594.1 MB. Max. memory is 7.1 GB. [2018-07-25 09:31:00,278 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-07-25 09:31:00,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.96 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. [2018-07-25 09:31:00,279 INFO L168 Benchmark]: Boogie Preprocessor took 60.21 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. [2018-07-25 09:31:00,280 INFO L168 Benchmark]: RCFGBuilder took 1269.16 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. [2018-07-25 09:31:00,280 INFO L168 Benchmark]: TraceAbstraction took 285201.69 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 40.9 MB). Free memory was 1.4 GB in the beginning and 917.3 MB in the end (delta: 489.8 MB). Peak memory consumption was 530.7 MB. Max. memory is 7.1 GB. [2018-07-25 09:31:00,284 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.96 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 60.21 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 1269.16 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 285201.69 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 40.9 MB). Free memory was 1.4 GB in the beginning and 917.3 MB in the end (delta: 489.8 MB). Peak memory consumption was 530.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 461]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 461). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 1012. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. TIMEOUT Result, 285.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 4 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.2s 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/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-31-00-296.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-31-00-296.csv Completed graceful shutdown