java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005_variant.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:35:24,875 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:35:24,877 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:35:24,890 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:35:24,890 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:35:24,892 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:35:24,893 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:35:24,895 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:35:24,896 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:35:24,897 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:35:24,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-26 09:35:24,941 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-09-26 09:35:24,957 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:35:24,957 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:35:24,958 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:35:24,959 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:35:24,959 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:35:24,959 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:35:24,959 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:35:24,959 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:35:25,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:35:25,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:35:25,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:35:25,030 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:35:25,030 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:35:25,031 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005_variant.c.i_3.bpl [2018-09-26 09:35:25,032 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005_variant.c.i_3.bpl' [2018-09-26 09:35:25,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:35:25,080 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:35:25,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:35:25,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:35:25,081 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:35:25,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:25" (1/1) ... [2018-09-26 09:35:25,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:25" (1/1) ... [2018-09-26 09:35:25,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:35:25,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:35:25,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:35:25,122 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:35:25,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:25" (1/1) ... [2018-09-26 09:35:25,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:25" (1/1) ... [2018-09-26 09:35:25,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:25" (1/1) ... [2018-09-26 09:35:25,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:25" (1/1) ... [2018-09-26 09:35:25,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:25" (1/1) ... [2018-09-26 09:35:25,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:25" (1/1) ... [2018-09-26 09:35:25,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:25" (1/1) ... [2018-09-26 09:35:25,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:35:25,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:35:25,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:35:25,146 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:35:25,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:25" (1/1) ... [2018-09-26 09:35:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:35:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:35:25,426 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:35:25,428 INFO L202 PluginConnector]: Adding new model cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:35:25 BoogieIcfgContainer [2018-09-26 09:35:25,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:35:25,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:35:25,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:35:25,433 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:35:25,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:25" (1/2) ... [2018-09-26 09:35:25,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436f9180 and model type cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:35:25, skipping insertion in model container [2018-09-26 09:35:25,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:35:25" (2/2) ... [2018-09-26 09:35:25,437 INFO L112 eAbstractionObserver]: Analyzing ICFG cggmp2005_variant.c.i_3.bpl [2018-09-26 09:35:25,445 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:35:25,454 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:35:25,498 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:35:25,499 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:35:25,499 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:35:25,499 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:35:25,500 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:35:25,500 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:35:25,500 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:35:25,500 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:35:25,500 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:35:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:35:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:35:25,526 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:35:25,527 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:35:25,528 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:35:25,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:35:25,535 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-26 09:35:25,543 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:35:25,675 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:35:25,676 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:35:25,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:35:25,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:35:25,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:35:25,691 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 09:35:25,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:35:25,718 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 09:35:25,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:35:25,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 09:35:25,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:35:25,731 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:35:25,732 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:35:25,736 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:35:25,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:35:25,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:35:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:35:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 09:35:25,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 09:35:25,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:35:25,781 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 09:35:25,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:35:25,781 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 09:35:25,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:35:25,782 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:35:25,782 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 09:35:25,782 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:35:25,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:35:25,783 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-26 09:35:25,783 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:35:45,291 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2018-09-26 09:35:47,216 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-09-26 09:35:51,388 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2018-09-26 09:35:54,049 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2018-09-26 09:35:56,608 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2018-09-26 09:35:59,826 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-09-26 09:36:03,493 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-26 09:36:14,188 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2018-09-26 09:36:18,274 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-09-26 09:36:22,538 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-09-26 09:36:27,105 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-09-26 09:36:37,301 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2018-09-26 09:36:43,031 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2018-09-26 09:36:49,293 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 473 [2018-09-26 09:36:55,791 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2018-09-26 09:37:02,699 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-09-26 09:37:10,105 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2018-09-26 09:37:17,973 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2018-09-26 09:37:26,354 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2018-09-26 09:37:35,247 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2018-09-26 09:37:44,798 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2018-09-26 09:37:55,518 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-09-26 09:38:06,153 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2018-09-26 09:38:17,479 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2018-09-26 09:38:29,341 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2018-09-26 09:38:41,893 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2018-09-26 09:38:54,975 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2018-09-26 09:39:08,991 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2018-09-26 09:39:23,712 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2018-09-26 09:39:39,183 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 649 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown