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.6.2.ufo.BOUNDED-12.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:09:06,310 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:09:06,314 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:09:06,332 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:09:06,333 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:09:06,334 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:09:06,335 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:09:06,337 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:09:06,339 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:09:06,340 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:09:06,340 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:09:06,341 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:09:06,342 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:09:06,343 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:09:06,344 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:09:06,345 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:09:06,346 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:09:06,348 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:09:06,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:09:06,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:09:06,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:09:06,354 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:09:06,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:09:06,356 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:09:06,356 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:09:06,357 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:09:06,358 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:09:06,359 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:09:06,360 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:09:06,361 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:09:06,361 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:09:06,362 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:09:06,362 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:09:06,362 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:09:06,363 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:09:06,364 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:09:06,364 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 16:09:06,372 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:09:06,373 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:09:06,374 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:09:06,374 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:09:06,375 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:09:06,375 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:09:06,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:09:06,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:09:06,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:09:06,446 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:09:06,447 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:09:06,448 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl [2018-07-23 16:09:06,448 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl' [2018-07-23 16:09:06,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:09:06,531 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:09:06,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:09:06,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:09:06,532 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:09:06,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.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 16:09:06,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.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 16:09:06,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.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 16:09:06,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.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 16:09:06,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.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 16:09:06,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.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 16:09:06,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.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 16:09:06,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:09:06,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:09:06,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:09:06,603 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:09:06,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.6.2.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 16:09:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:09:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:09:08,082 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:09:08,083 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.2.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 16:09:08,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:09:08,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:09:08,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:09:08,092 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:09:08,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.2.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 16:09:08,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9aff241 and model type pals_lcr-var-start-time.6.2.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 16:09:08,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.2.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 16:09:08,097 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl [2018-07-23 16:09:08,107 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:09:08,122 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:09:08,175 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:09:08,176 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:09:08,177 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:09:08,177 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:09:08,177 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:09:08,177 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:09:08,178 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:09:08,179 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:09:08,179 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:09:08,198 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 16:09:08,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:09:08,210 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:09:08,211 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:09:08,212 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:09:08,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1011999, now seen corresponding path program 1 times [2018-07-23 16:09:08,225 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:09:08,992 WARN L169 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-23 16:09:09,452 WARN L169 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-07-23 16:09:09,487 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:09:09,488 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 16:09:09,492 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 16:09:09,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 16:09:09,500 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:09:09,502 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 16:09:09,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:09:09,578 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 16:09:09,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 16:09:09,580 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 16:09:09,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:09:09,591 INFO L225 Difference]: With dead ends: 10 [2018-07-23 16:09:09,592 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 16:09:09,595 INFO L573 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 [2018-07-23 16:09:09,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 16:09:09,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 16:09:09,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 16:09:09,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 16:09:09,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 16:09:09,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:09:09,632 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 16:09:09,632 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 16:09:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 16:09:09,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 16:09:09,633 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:09:09,633 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 16:09:09,634 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:09:09,634 INFO L82 PathProgramCache]: Analyzing trace with hash 972615673, now seen corresponding path program 1 times [2018-07-23 16:09:09,634 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:09:10,590 WARN L169 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-23 16:09:10,954 WARN L169 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-07-23 16:09:11,290 WARN L169 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-07-23 16:09:11,525 WARN L169 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-07-23 16:09:12,021 WARN L169 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 152 [2018-07-23 16:09:12,458 WARN L169 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 282 [2018-07-23 16:09:13,176 WARN L169 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2018-07-23 16:09:14,643 WARN L169 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 320 [2018-07-23 16:09:15,649 WARN L169 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 387 [2018-07-23 16:09:16,161 WARN L169 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-07-23 16:09:17,202 WARN L169 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 480 [2018-07-23 16:09:18,653 WARN L169 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2018-07-23 16:09:19,143 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-07-23 16:09:20,825 WARN L169 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 484 DAG size of output: 484 [2018-07-23 16:09:24,069 WARN L169 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 493 [2018-07-23 16:09:25,304 WARN L169 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2018-07-23 16:09:27,323 WARN L169 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 657 [2018-07-23 16:09:32,067 WARN L169 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2018-07-23 16:09:33,273 WARN L169 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2018-07-23 16:09:36,570 WARN L169 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 661 DAG size of output: 661 [2018-07-23 16:09:45,427 WARN L169 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 599 [2018-07-23 16:09:48,334 WARN L169 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2018-07-23 16:09:52,589 WARN L169 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 834 [2018-07-23 16:10:07,388 WARN L169 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2018-07-23 16:10:10,226 WARN L169 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2018-07-23 16:10:19,155 WARN L169 SmtUtils]: Spent 6.00 s on a formula simplification. DAG size of input: 838 DAG size of output: 838 [2018-07-23 16:10:46,581 WARN L169 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 707 DAG size of output: 705 [2018-07-23 16:10:51,508 WARN L169 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 706 [2018-07-23 16:11:01,100 WARN L169 SmtUtils]: Spent 6.22 s on a formula simplification that was a NOOP. DAG size: 1011 [2018-07-23 16:11:47,746 WARN L169 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 708 [2018-07-23 16:11:52,713 WARN L169 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 709 [2018-07-23 16:12:10,183 WARN L169 SmtUtils]: Spent 13.72 s on a formula simplification. DAG size of input: 1014 DAG size of output: 1014 [2018-07-23 16:13:30,835 WARN L169 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 812 DAG size of output: 810 [2018-07-23 16:13:39,182 WARN L169 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 811 Received shutdown request... [2018-07-23 16:13:55,264 WARN L177 SmtUtils]: Removed 6 from assertion stack [2018-07-23 16:13:55,266 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:13:55,272 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:13:55,272 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:13:55 BoogieIcfgContainer [2018-07-23 16:13:55,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:13:55,273 INFO L168 Benchmark]: Toolchain (without parser) took 288743.11 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 108.5 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 455.6 MB). Peak memory consumption was 564.2 MB. Max. memory is 7.1 GB. [2018-07-23 16:13:55,275 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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 16:13:55,275 INFO L168 Benchmark]: Boogie Preprocessor took 69.84 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 16:13:55,276 INFO L168 Benchmark]: RCFGBuilder took 1480.82 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 16:13:55,277 INFO L168 Benchmark]: TraceAbstraction took 287184.29 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 108.5 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 371.1 MB). Peak memory consumption was 479.6 MB. Max. memory is 7.1 GB. [2018-07-23 16:13:55,281 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 0.22 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 69.84 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 1480.82 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 287184.29 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 108.5 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 371.1 MB). Peak memory consumption was 479.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 543]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 543). 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 1187. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. TIMEOUT Result, 287.1s 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.6.2.ufo.BOUNDED-12.pals.c_12.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-13-55-297.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-13-55-297.csv Completed graceful shutdown