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.6.1.ufo.UNBOUNDED.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:08:03,607 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:08:03,609 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:08:03,621 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:08:03,622 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:08:03,623 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:08:03,624 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:08:03,626 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:08:03,627 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:08:03,628 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:08:03,629 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:08:03,629 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:08:03,630 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:08:03,631 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:08:03,632 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:08:03,633 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:08:03,634 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:08:03,635 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:08:03,637 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:08:03,639 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:08:03,640 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:08:03,641 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:08:03,643 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:08:03,643 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:08:03,644 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:08:03,645 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:08:03,645 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:08:03,646 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:08:03,647 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:08:03,648 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:08:03,648 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:08:03,649 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:08:03,649 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:08:03,649 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:08:03,650 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:08:03,650 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:08:03,651 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 16:08:03,658 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:08:03,659 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:08:03,660 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:08:03,660 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:08:03,661 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:08:03,661 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:08:03,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:08:03,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:08:03,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:08:03,722 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:08:03,722 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:08:03,723 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl [2018-07-23 16:08:03,723 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl' [2018-07-23 16:08:03,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:08:03,803 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:08:03,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:08:03,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:08:03,804 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:08:03,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:08:03" (1/1) ... [2018-07-23 16:08:03,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:08:03" (1/1) ... [2018-07-23 16:08:03,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:08:03" (1/1) ... [2018-07-23 16:08:03,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:08:03" (1/1) ... [2018-07-23 16:08:03,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:08:03" (1/1) ... [2018-07-23 16:08:03,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:08:03" (1/1) ... [2018-07-23 16:08:03,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:08:03" (1/1) ... [2018-07-23 16:08:03,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:08:03,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:08:03,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:08:03,871 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:08:03,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:08:03" (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 [2018-07-23 16:08:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:08:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:08:05,293 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:08:05,294 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:08:05 BoogieIcfgContainer [2018-07-23 16:08:05,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:08:05,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:08:05,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:08:05,299 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:08:05,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:08:03" (1/2) ... [2018-07-23 16:08:05,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e1cb65 and model type pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:08:05, skipping insertion in model container [2018-07-23 16:08:05,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:08:05" (2/2) ... [2018-07-23 16:08:05,302 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl [2018-07-23 16:08:05,312 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:08:05,321 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:08:05,370 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:08:05,371 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:08:05,371 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:08:05,371 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:08:05,372 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:08:05,372 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:08:05,372 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:08:05,372 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:08:05,373 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:08:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 16:08:05,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:08:05,397 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:08:05,398 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:08:05,399 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:08:05,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1011999, now seen corresponding path program 1 times [2018-07-23 16:08:05,411 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:08:06,255 WARN L169 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-07-23 16:08:06,764 WARN L169 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-23 16:08:06,804 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:08:06,804 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 16:08:06,810 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 16:08:06,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 16:08:06,819 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:08:06,822 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 16:08:06,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:08:06,960 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 16:08:06,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 16:08:06,962 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 16:08:06,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:08:06,974 INFO L225 Difference]: With dead ends: 10 [2018-07-23 16:08:06,975 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 16:08:06,978 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:08:06,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 16:08:07,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 16:08:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 16:08:07,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 16:08:07,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 16:08:07,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:08:07,024 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 16:08:07,024 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 16:08:07,024 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 16:08:07,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 16:08:07,025 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:08:07,025 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 16:08:07,026 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:08:07,027 INFO L82 PathProgramCache]: Analyzing trace with hash 972615673, now seen corresponding path program 1 times [2018-07-23 16:08:07,027 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:08:07,321 WARN L169 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-07-23 16:08:07,600 WARN L169 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-23 16:08:07,897 WARN L169 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-07-23 16:08:08,140 WARN L169 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-07-23 16:08:08,512 WARN L169 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 151 [2018-07-23 16:08:09,130 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-07-23 16:08:09,626 WARN L169 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-07-23 16:08:10,437 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-07-23 16:08:11,231 WARN L169 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 318 [2018-07-23 16:08:11,985 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2018-07-23 16:08:12,556 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-07-23 16:08:13,608 WARN L169 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 475 [2018-07-23 16:08:14,843 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2018-07-23 16:08:15,458 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2018-07-23 16:08:17,051 WARN L169 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 479 DAG size of output: 479 [2018-07-23 16:08:19,175 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-07-23 16:08:20,094 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2018-07-23 16:08:22,584 WARN L169 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 649 [2018-07-23 16:08:26,782 WARN L169 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-07-23 16:08:27,704 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2018-07-23 16:08:32,016 WARN L169 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 653 DAG size of output: 653 [2018-07-23 16:08:38,417 WARN L169 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2018-07-23 16:08:39,975 WARN L169 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 597 [2018-07-23 16:08:46,653 WARN L169 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 823 [2018-07-23 16:08:58,062 WARN L169 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2018-07-23 16:09:00,003 WARN L169 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2018-07-23 16:09:11,379 WARN L169 SmtUtils]: Spent 9.01 s on a formula simplification. DAG size of input: 827 DAG size of output: 827 [2018-07-23 16:09:28,215 WARN L169 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2018-07-23 16:09:31,030 WARN L169 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 702 [2018-07-23 16:09:45,435 WARN L169 SmtUtils]: Spent 11.66 s on a formula simplification that was a NOOP. DAG size: 997 [2018-07-23 16:10:13,028 WARN L169 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 705 [2018-07-23 16:10:16,031 WARN L169 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 706 [2018-07-23 16:10:46,683 WARN L169 SmtUtils]: Spent 28.31 s on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2018-07-23 16:11:28,351 WARN L169 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 806 [2018-07-23 16:11:33,685 WARN L169 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 807 [2018-07-23 16:12:10,000 WARN L169 SmtUtils]: Spent 30.72 s on a formula simplification that was a NOOP. DAG size: 1171 Received shutdown request... [2018-07-23 16:12:52,317 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:12:52,322 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:12:52,323 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:12:52 BoogieIcfgContainer [2018-07-23 16:12:52,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:12:52,324 INFO L168 Benchmark]: Toolchain (without parser) took 288521.56 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 22.0 MB). Free memory was 1.5 GB in the beginning and 937.6 MB in the end (delta: 547.6 MB). Peak memory consumption was 569.6 MB. Max. memory is 7.1 GB. [2018-07-23 16:12:52,325 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 16:12:52,326 INFO L168 Benchmark]: Boogie Preprocessor took 66.34 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 16:12:52,326 INFO L168 Benchmark]: RCFGBuilder took 1423.56 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 16:12:52,327 INFO L168 Benchmark]: TraceAbstraction took 287027.42 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 22.0 MB). Free memory was 1.4 GB in the beginning and 937.6 MB in the end (delta: 463.0 MB). Peak memory consumption was 485.0 MB. Max. memory is 7.1 GB. [2018-07-23 16:12:52,331 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 66.34 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 1423.56 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 287027.42 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 22.0 MB). Free memory was 1.4 GB in the beginning and 937.6 MB in the end (delta: 463.0 MB). Peak memory consumption was 485.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 541). 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, 286.9s 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, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s 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: 1.3s 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.6.1.ufo.UNBOUNDED.pals.c_12.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-12-52-343.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-12-52-343.csv Completed graceful shutdown