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.5.ufo.UNBOUNDED.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:07:35,470 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:07:35,472 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:07:35,484 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:07:35,484 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:07:35,485 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:07:35,486 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:07:35,488 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:07:35,490 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:07:35,491 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:07:35,492 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:07:35,492 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:07:35,493 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:07:35,494 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:07:35,495 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:07:35,496 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:07:35,497 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:07:35,499 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:07:35,501 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:07:35,502 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:07:35,503 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:07:35,504 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:07:35,507 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:07:35,507 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:07:35,507 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:07:35,508 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:07:35,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:07:35,510 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:07:35,511 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:07:35,512 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:07:35,512 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:07:35,513 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:07:35,513 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:07:35,513 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:07:35,514 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:07:35,515 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:07:35,515 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 16:07:35,525 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:07:35,525 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:07:35,527 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:07:35,527 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:07:35,527 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:07:35,527 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:07:35,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:07:35,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:07:35,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:07:35,595 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:07:35,595 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:07:35,596 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl [2018-07-23 16:07:35,597 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl' [2018-07-23 16:07:35,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:07:35,691 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:07:35,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:07:35,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:07:35,692 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:07:35,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:07:35" (1/1) ... [2018-07-23 16:07:35,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:07:35" (1/1) ... [2018-07-23 16:07:35,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:07:35" (1/1) ... [2018-07-23 16:07:35,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:07:35" (1/1) ... [2018-07-23 16:07:35,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:07:35" (1/1) ... [2018-07-23 16:07:35,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:07:35" (1/1) ... [2018-07-23 16:07:35,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:07:35" (1/1) ... [2018-07-23 16:07:35,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:07:35,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:07:35,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:07:35,757 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:07:35,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:07:35" (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 16:07:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:07:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:07:37,031 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:07:37,032 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:07:37 BoogieIcfgContainer [2018-07-23 16:07:37,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:07:37,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:07:37,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:07:37,037 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:07:37,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:07:35" (1/2) ... [2018-07-23 16:07:37,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23860798 and model type pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:07:37, skipping insertion in model container [2018-07-23 16:07:37,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:07:37" (2/2) ... [2018-07-23 16:07:37,043 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl [2018-07-23 16:07:37,053 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:07:37,065 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:07:37,117 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:07:37,118 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:07:37,118 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:07:37,118 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:07:37,118 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:07:37,119 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:07:37,119 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:07:37,119 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:07:37,119 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:07:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 16:07:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:07:37,142 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:07:37,143 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:07:37,143 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:07:37,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1001172, now seen corresponding path program 1 times [2018-07-23 16:07:37,152 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:07:37,845 WARN L169 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-07-23 16:07:38,181 WARN L169 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-07-23 16:07:38,223 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:07:38,224 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 16:07:38,229 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 16:07:38,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 16:07:38,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:07:38,241 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 16:07:38,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:07:38,381 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 16:07:38,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 16:07:38,384 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 16:07:38,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:07:38,396 INFO L225 Difference]: With dead ends: 10 [2018-07-23 16:07:38,396 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 16:07:38,400 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:07:38,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 16:07:38,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 16:07:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 16:07:38,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 16:07:38,441 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 16:07:38,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:07:38,441 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 16:07:38,442 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 16:07:38,442 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 16:07:38,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 16:07:38,442 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:07:38,443 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 16:07:38,443 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:07:38,444 INFO L82 PathProgramCache]: Analyzing trace with hash 962207787, now seen corresponding path program 1 times [2018-07-23 16:07:38,444 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:07:38,708 WARN L169 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-07-23 16:07:38,940 WARN L169 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-07-23 16:07:39,177 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-07-23 16:07:39,402 WARN L169 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-23 16:07:39,790 WARN L169 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 147 [2018-07-23 16:07:40,522 WARN L169 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-07-23 16:07:42,012 WARN L169 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 286 [2018-07-23 16:07:43,159 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-07-23 16:07:44,149 WARN L169 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2018-07-23 16:07:47,009 WARN L169 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 425 [2018-07-23 16:07:49,677 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 436 [2018-07-23 16:07:50,430 WARN L169 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-07-23 16:07:52,160 WARN L169 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 570 [2018-07-23 16:07:55,765 WARN L169 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2018-07-23 16:07:56,626 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-23 16:07:59,869 WARN L169 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 574 DAG size of output: 574 [2018-07-23 16:08:05,714 WARN L169 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2018-07-23 16:08:07,011 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2018-07-23 16:08:10,984 WARN L169 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 719 [2018-07-23 16:08:20,935 WARN L169 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2018-07-23 16:08:22,215 WARN L169 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2018-07-23 16:08:29,522 WARN L169 SmtUtils]: Spent 5.32 s on a formula simplification. DAG size of input: 723 DAG size of output: 723 [2018-07-23 16:08:44,207 WARN L169 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2018-07-23 16:08:46,507 WARN L169 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2018-07-23 16:08:55,656 WARN L169 SmtUtils]: Spent 7.14 s on a formula simplification that was a NOOP. DAG size: 868 [2018-07-23 16:09:20,232 WARN L169 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 624 [2018-07-23 16:09:22,679 WARN L169 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 625 [2018-07-23 16:09:37,764 WARN L169 SmtUtils]: Spent 12.95 s on a formula simplification. DAG size of input: 872 DAG size of output: 872 [2018-07-23 16:10:11,992 WARN L169 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 712 [2018-07-23 16:10:15,713 WARN L169 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 713 [2018-07-23 16:10:31,495 WARN L169 SmtUtils]: Spent 12.58 s on a formula simplification that was a NOOP. DAG size: 1017 [2018-07-23 16:11:23,642 WARN L169 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 716 [2018-07-23 16:11:27,246 WARN L169 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 717 [2018-07-23 16:11:58,125 WARN L169 SmtUtils]: Spent 27.62 s on a formula simplification. DAG size of input: 1021 DAG size of output: 1021 Received shutdown request... [2018-07-23 16:12:22,152 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:12:22,159 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:12:22,160 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:12:22 BoogieIcfgContainer [2018-07-23 16:12:22,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:12:22,161 INFO L168 Benchmark]: Toolchain (without parser) took 286470.88 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -66.1 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 476.5 MB). Peak memory consumption was 410.4 MB. Max. memory is 7.1 GB. [2018-07-23 16:12:22,162 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 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 16:12:22,163 INFO L168 Benchmark]: Boogie Preprocessor took 64.87 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 16:12:22,163 INFO L168 Benchmark]: RCFGBuilder took 1274.94 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. [2018-07-23 16:12:22,165 INFO L168 Benchmark]: TraceAbstraction took 285126.40 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -66.1 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 413.1 MB). Peak memory consumption was 347.0 MB. Max. memory is 7.1 GB. [2018-07-23 16:12:22,172 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 0.24 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 64.87 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 1274.94 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 285126.40 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -66.1 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 413.1 MB). Peak memory consumption was 347.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 463]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 463). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 45 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. TIMEOUT Result, 285.0s 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, 0.9s 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: 1.0s 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.ufo.UNBOUNDED.pals.c_11.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-12-22-188.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-12-22-188.csv Completed graceful shutdown