java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:09:06,520 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:09:06,523 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:09:06,541 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:09:06,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:09:06,543 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:09:06,544 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:09:06,546 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:09:06,547 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:09:06,548 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:09:06,549 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:09:06,549 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:09:06,550 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:09:06,551 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:09:06,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:09:06,553 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:09:06,554 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:09:06,556 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:09:06,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:09:06,560 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:09:06,561 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:09:06,562 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:09:06,565 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:09:06,565 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:09:06,565 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:09:06,566 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:09:06,567 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:09:06,568 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:09:06,569 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:09:06,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:09:06,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:09:06,571 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:09:06,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:09:06,572 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:09:06,573 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:09:06,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:09:06,574 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 16:09:06,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:09:06,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:09:06,593 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:09:06,593 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:09:06,595 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:09:06,596 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:09:06,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:09:06,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:09:06,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:09:06,678 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:09:06,679 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:09:06,679 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl [2018-07-23 16:09:06,680 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl' [2018-07-23 16:09:06,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:09:06,767 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:09:06,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:09:06,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:09:06,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:09:06,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:09:06" (1/1) ... [2018-07-23 16:09:06,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:09:06" (1/1) ... [2018-07-23 16:09:06,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:09:06" (1/1) ... [2018-07-23 16:09:06,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:09:06" (1/1) ... [2018-07-23 16:09:06,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:09:06" (1/1) ... [2018-07-23 16:09:06,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:09:06" (1/1) ... [2018-07-23 16:09:06,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:09:06" (1/1) ... [2018-07-23 16:09:06,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:09:06,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:09:06,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:09:06,868 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:09:06,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:09:06" (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 [2018-07-23 16:09:06,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:09:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:09:08,366 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:09:08,367 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:09:08 BoogieIcfgContainer [2018-07-23 16:09:08,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:09:08,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:09:08,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:09:08,373 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:09:08,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:09:06" (1/2) ... [2018-07-23 16:09:08,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d81d30d and model type pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:09:08, skipping insertion in model container [2018-07-23 16:09:08,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:09:08" (2/2) ... [2018-07-23 16:09:08,377 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl [2018-07-23 16:09:08,387 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:09:08,395 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:09:08,443 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:09:08,444 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:09:08,444 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:09:08,444 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:09:08,445 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:09:08,445 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:09:08,445 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:09:08,445 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:09:08,445 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:09:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 16:09:08,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:09:08,471 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:09:08,472 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:09:08,472 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:09:08,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1011999, now seen corresponding path program 1 times [2018-07-23 16:09:08,484 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:09:09,372 WARN L169 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-23 16:09:09,659 WARN L169 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-07-23 16:09:09,690 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:09:09,690 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 16:09:09,695 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 16:09:09,701 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 16:09:09,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:09:09,705 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 16:09:09,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:09:09,816 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 16:09:09,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 16:09:09,818 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 16:09:09,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:09:09,830 INFO L225 Difference]: With dead ends: 10 [2018-07-23 16:09:09,830 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 16:09:09,834 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:09:09,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 16:09:09,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 16:09:09,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 16:09:09,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 16:09:09,872 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 16:09:09,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:09:09,873 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 16:09:09,873 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 16:09:09,873 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 16:09:09,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 16:09:09,874 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:09:09,874 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 16:09:09,875 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:09:09,875 INFO L82 PathProgramCache]: Analyzing trace with hash 972615673, now seen corresponding path program 1 times [2018-07-23 16:09:09,875 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:09:10,322 WARN L169 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-23 16:09:10,830 WARN L169 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-07-23 16:09:11,150 WARN L169 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-07-23 16:09:11,452 WARN L169 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-07-23 16:09:11,811 WARN L169 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 165 [2018-07-23 16:09:12,163 WARN L169 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 290 [2018-07-23 16:09:12,522 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-07-23 16:09:13,046 WARN L169 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2018-07-23 16:09:13,541 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-07-23 16:09:13,863 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-07-23 16:09:14,688 WARN L169 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2018-07-23 16:09:15,749 WARN L169 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 395 [2018-07-23 16:09:16,304 WARN L169 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2018-07-23 16:09:17,308 WARN L169 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-07-23 16:09:18,631 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2018-07-23 16:09:19,277 WARN L169 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2018-07-23 16:09:20,978 WARN L169 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 493 DAG size of output: 493 [2018-07-23 16:09:24,029 WARN L169 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 501 [2018-07-23 16:09:25,067 WARN L169 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2018-07-23 16:09:27,099 WARN L169 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 666 [2018-07-23 16:09:31,932 WARN L169 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2018-07-23 16:09:33,072 WARN L169 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2018-07-23 16:09:36,466 WARN L169 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 670 DAG size of output: 670 [2018-07-23 16:09:45,127 WARN L169 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 607 [2018-07-23 16:09:47,658 WARN L169 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2018-07-23 16:09:51,728 WARN L169 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 843 [2018-07-23 16:10:06,896 WARN L169 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2018-07-23 16:10:09,664 WARN L169 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2018-07-23 16:10:16,583 WARN L169 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 847 DAG size of output: 847 [2018-07-23 16:10:40,550 WARN L169 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 713 [2018-07-23 16:10:44,710 WARN L169 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 714 [2018-07-23 16:10:52,990 WARN L169 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 1020 [2018-07-23 16:11:32,101 WARN L169 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 716 [2018-07-23 16:11:36,826 WARN L169 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 717 [2018-07-23 16:11:52,739 WARN L169 SmtUtils]: Spent 10.78 s on a formula simplification. DAG size of input: 1023 DAG size of output: 1023 [2018-07-23 16:13:07,373 WARN L169 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 820 DAG size of output: 818 [2018-07-23 16:13:16,896 WARN L169 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 819 [2018-07-23 16:13:35,310 WARN L169 SmtUtils]: Spent 13.87 s on a formula simplification that was a NOOP. DAG size: 1196 Received shutdown request... [2018-07-23 16:13:56,907 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:13:56,912 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:13:56,913 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:13:56 BoogieIcfgContainer [2018-07-23 16:13:56,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:13:56,914 INFO L168 Benchmark]: Toolchain (without parser) took 290148.19 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 129.5 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 462.2 MB). Peak memory consumption was 591.7 MB. Max. memory is 7.1 GB. [2018-07-23 16:13:56,915 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. [2018-07-23 16:13:56,916 INFO L168 Benchmark]: Boogie Preprocessor took 98.81 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. [2018-07-23 16:13:56,916 INFO L168 Benchmark]: RCFGBuilder took 1500.62 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-07-23 16:13:56,917 INFO L168 Benchmark]: TraceAbstraction took 288543.70 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 129.5 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 377.6 MB). Peak memory consumption was 507.1 MB. Max. memory is 7.1 GB. [2018-07-23 16:13:56,924 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 Preprocessor took 98.81 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 1500.62 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 288543.70 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 129.5 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 377.6 MB). Peak memory consumption was 507.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 42 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. TIMEOUT Result, 288.4s 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, 1.0s 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: 1.1s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-13-56-935.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_12.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-13-56-935.csv Completed graceful shutdown