java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:06:34,327 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:06:34,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:06:34,352 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:06:34,352 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:06:34,353 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:06:34,354 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:06:34,356 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:06:34,358 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:06:34,359 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:06:34,359 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:06:34,360 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:06:34,361 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:06:34,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:06:34,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:06:34,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:06:34,365 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:06:34,366 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:06:34,369 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:06:34,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:06:34,371 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:06:34,373 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:06:34,375 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:06:34,375 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:06:34,376 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:06:34,377 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:06:34,378 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:06:34,379 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:06:34,379 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:06:34,381 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:06:34,381 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:06:34,382 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:06:34,382 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:06:34,382 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:06:34,383 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:06:34,384 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:06:34,384 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 14:06:34,393 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:06:34,393 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:06:34,398 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:06:34,398 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:06:34,398 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:06:34,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:06:34,399 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:06:34,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:06:34,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:06:34,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:06:34,491 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:06:34,491 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:06:34,492 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl [2018-07-25 14:06:34,492 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl' [2018-07-25 14:06:34,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:06:34,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:06:34,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:06:34,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:06:34,579 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:06:34,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:06:34" (1/1) ... [2018-07-25 14:06:34,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:06:34" (1/1) ... [2018-07-25 14:06:34,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:06:34,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:06:34,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:06:34,642 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:06:34,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:06:34" (1/1) ... [2018-07-25 14:06:34,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:06:34" (1/1) ... [2018-07-25 14:06:34,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:06:34" (1/1) ... [2018-07-25 14:06:34,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:06:34" (1/1) ... [2018-07-25 14:06:34,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:06:34" (1/1) ... [2018-07-25 14:06:34,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:06:34" (1/1) ... [2018-07-25 14:06:34,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:06:34" (1/1) ... [2018-07-25 14:06:34,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:06:34,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:06:34,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:06:34,686 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:06:34,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:06:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-25 14:06:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:06:34,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:06:35,981 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:06:35,982 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:06:35 BoogieIcfgContainer [2018-07-25 14:06:35,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:06:35,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:06:35,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:06:35,987 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:06:35,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:06:34" (1/2) ... [2018-07-25 14:06:35,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4efed311 and model type pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:06:35, skipping insertion in model container [2018-07-25 14:06:35,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:06:35" (2/2) ... [2018-07-25 14:06:35,990 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl [2018-07-25 14:06:36,001 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:06:36,018 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:06:36,081 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:06:36,082 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:06:36,082 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:06:36,083 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:06:36,083 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:06:36,083 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:06:36,083 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:06:36,083 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:06:36,084 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:06:36,102 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:06:36,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:06:36,113 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:06:36,116 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:06:36,117 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:06:36,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1001172, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:06:36,149 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:06:36,992 WARN L169 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-07-25 14:06:37,314 WARN L169 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-07-25 14:06:37,362 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:06:37,362 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:06:37,366 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:06:37,371 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:06:37,372 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:06:37,374 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 14:06:37,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:06:37,446 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:06:37,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 14:06:37,450 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 14:06:37,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:06:37,461 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:06:37,462 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:06:37,465 INFO L574 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 [2018-07-25 14:06:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:06:37,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:06:37,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:06:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:06:37,505 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:06:37,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:06:37,505 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:06:37,505 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:06:37,506 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:06:37,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:06:37,506 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:06:37,506 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:06:37,507 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:06:37,507 INFO L82 PathProgramCache]: Analyzing trace with hash 962207787, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:06:37,518 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:06:37,851 WARN L169 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-07-25 14:06:38,371 WARN L169 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-07-25 14:06:38,633 WARN L169 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-07-25 14:06:38,858 WARN L169 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-07-25 14:06:39,239 WARN L169 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 139 [2018-07-25 14:06:39,617 WARN L169 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 251 [2018-07-25 14:06:40,221 WARN L169 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-07-25 14:06:40,826 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-07-25 14:06:41,095 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2018-07-25 14:06:41,863 WARN L169 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 285 [2018-07-25 14:06:42,674 WARN L169 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 343 [2018-07-25 14:06:43,213 WARN L169 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2018-07-25 14:06:44,085 WARN L169 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-07-25 14:06:47,401 WARN L169 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 427 [2018-07-25 14:06:50,258 WARN L169 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 436 [2018-07-25 14:06:51,251 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-07-25 14:06:53,007 WARN L169 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2018-07-25 14:06:57,167 WARN L169 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2018-07-25 14:06:58,172 WARN L169 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-25 14:07:00,885 WARN L169 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2018-07-25 14:07:08,626 WARN L169 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 529 [2018-07-25 14:07:10,570 WARN L169 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2018-07-25 14:07:13,752 WARN L169 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 727 [2018-07-25 14:07:25,976 WARN L169 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2018-07-25 14:07:27,777 WARN L169 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2018-07-25 14:07:34,100 WARN L169 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2018-07-25 14:07:58,065 WARN L169 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 623 DAG size of output: 621 [2018-07-25 14:08:02,371 WARN L169 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2018-07-25 14:08:09,820 WARN L169 SmtUtils]: Spent 4.28 s on a formula simplification that was a NOOP. DAG size: 878 [2018-07-25 14:08:47,164 WARN L169 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2018-07-25 14:08:51,267 WARN L169 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2018-07-25 14:09:03,258 WARN L169 SmtUtils]: Spent 8.28 s on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2018-07-25 14:10:03,125 WARN L169 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 717 DAG size of output: 715 [2018-07-25 14:10:11,049 WARN L169 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 716 [2018-07-25 14:10:24,579 WARN L169 SmtUtils]: Spent 8.57 s on a formula simplification that was a NOOP. DAG size: 1030 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown