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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:52:59,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:52:59,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:52:59,249 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-14 16:52:59,281 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 16:52:59,292 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:52:59,292 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:52:59,294 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:52:59,294 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:52:59,294 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:52:59,294 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:52:59,296 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:52:59,296 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:52:59,296 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:52:59,296 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:52:59,297 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:52:59,297 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:52:59,297 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:52:59,299 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:52:59,299 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:52:59,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:52:59,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:52:59,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:52:59,377 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:52:59,378 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:52:59,381 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl [2018-10-14 16:52:59,381 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl' [2018-10-14 16:52:59,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:52:59,475 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:52:59,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:52:59,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:52:59,476 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:52:59,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:59" (1/1) ... [2018-10-14 16:52:59,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:59" (1/1) ... [2018-10-14 16:52:59,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:59" (1/1) ... [2018-10-14 16:52:59,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:59" (1/1) ... [2018-10-14 16:52:59,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:59" (1/1) ... [2018-10-14 16:52:59,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:59" (1/1) ... [2018-10-14 16:52:59,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:59" (1/1) ... [2018-10-14 16:52:59,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:52:59,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:52:59,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:52:59,574 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:52:59,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:59" (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 [2018-10-14 16:52:59,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:52:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:52:59,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:53:00,526 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:53:00,527 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:53:00 BoogieIcfgContainer [2018-10-14 16:53:00,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:53:00,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:53:00,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:53:00,533 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:53:00,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:59" (1/2) ... [2018-10-14 16:53:00,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2631b5b3 and model type sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:53:00, skipping insertion in model container [2018-10-14 16:53:00,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:53:00" (2/2) ... [2018-10-14 16:53:00,538 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl [2018-10-14 16:53:00,550 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:53:00,564 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:53:00,593 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:53:00,632 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:53:00,633 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:53:00,634 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:53:00,634 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:53:00,634 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:53:00,634 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:53:00,634 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:53:00,634 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:53:00,635 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:53:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-10-14 16:53:00,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-14 16:53:00,678 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:53:00,679 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:53:00,680 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:53:00,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:53:00,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1770130057, now seen corresponding path program 1 times [2018-10-14 16:53:00,752 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:53:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:53:01,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:53:01,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:53:01,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-14 16:53:01,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-14 16:53:01,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-14 16:53:01,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-10-14 16:53:01,735 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 13 states. [2018-10-14 16:53:02,200 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-14 16:53:04,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:53:04,184 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-10-14 16:53:04,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-14 16:53:04,186 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 75 [2018-10-14 16:53:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:53:04,201 INFO L225 Difference]: With dead ends: 201 [2018-10-14 16:53:04,202 INFO L226 Difference]: Without dead ends: 162 [2018-10-14 16:53:04,204 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2018-10-14 16:53:04,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-10-14 16:53:04,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 123. [2018-10-14 16:53:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-10-14 16:53:04,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-10-14 16:53:04,254 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 75 [2018-10-14 16:53:04,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:53:04,255 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-10-14 16:53:04,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-14 16:53:04,255 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-10-14 16:53:04,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-14 16:53:04,259 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:53:04,260 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:53:04,260 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:53:04,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:53:04,261 INFO L82 PathProgramCache]: Analyzing trace with hash -494779566, now seen corresponding path program 1 times [2018-10-14 16:53:04,262 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:53:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:53:05,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:53:05,366 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:53:05,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-10-14 16:53:05,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-14 16:53:05,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-14 16:53:05,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=499, Unknown=0, NotChecked=0, Total=552 [2018-10-14 16:53:05,370 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 24 states. [2018-10-14 16:53:06,797 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2018-10-14 16:53:07,279 WARN L179 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2018-10-14 16:53:07,423 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2018-10-14 16:53:09,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:53:09,709 INFO L93 Difference]: Finished difference Result 228 states and 228 transitions. [2018-10-14 16:53:09,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-10-14 16:53:09,710 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 122 [2018-10-14 16:53:09,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:53:09,715 INFO L225 Difference]: With dead ends: 228 [2018-10-14 16:53:09,715 INFO L226 Difference]: Without dead ends: 214 [2018-10-14 16:53:09,718 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=429, Invalid=2541, Unknown=0, NotChecked=0, Total=2970 [2018-10-14 16:53:09,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-10-14 16:53:09,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 170. [2018-10-14 16:53:09,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-10-14 16:53:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 170 transitions. [2018-10-14 16:53:09,731 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 170 transitions. Word has length 122 [2018-10-14 16:53:09,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:53:09,731 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 170 transitions. [2018-10-14 16:53:09,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-14 16:53:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 170 transitions. [2018-10-14 16:53:09,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-14 16:53:09,735 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:53:09,735 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:53:09,735 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:53:09,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:53:09,736 INFO L82 PathProgramCache]: Analyzing trace with hash 17223703, now seen corresponding path program 2 times [2018-10-14 16:53:09,737 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:53:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:53:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-14 16:53:10,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:53:10,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-10-14 16:53:10,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-14 16:53:10,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-14 16:53:10,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2018-10-14 16:53:10,093 INFO L87 Difference]: Start difference. First operand 170 states and 170 transitions. Second operand 14 states. [2018-10-14 16:53:10,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:53:10,885 INFO L93 Difference]: Finished difference Result 168 states and 168 transitions. [2018-10-14 16:53:10,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-14 16:53:10,886 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 169 [2018-10-14 16:53:10,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:53:10,889 INFO L225 Difference]: With dead ends: 168 [2018-10-14 16:53:10,889 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:53:10,890 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=256, Invalid=614, Unknown=0, NotChecked=0, Total=870 [2018-10-14 16:53:10,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:53:10,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:53:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:53:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:53:10,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2018-10-14 16:53:10,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:53:10,892 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:53:10,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-14 16:53:10,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:53:10,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:53:10,898 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:53:10 BoogieIcfgContainer [2018-10-14 16:53:10,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:53:10,899 INFO L168 Benchmark]: Toolchain (without parser) took 11424.84 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 28.3 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 405.5 MB). Peak memory consumption was 433.8 MB. Max. memory is 7.1 GB. [2018-10-14 16:53:10,900 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 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. [2018-10-14 16:53:10,901 INFO L168 Benchmark]: Boogie Preprocessor took 97.40 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. [2018-10-14 16:53:10,901 INFO L168 Benchmark]: RCFGBuilder took 953.45 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-14 16:53:10,902 INFO L168 Benchmark]: TraceAbstraction took 10369.81 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 28.3 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 363.2 MB). Peak memory consumption was 391.5 MB. Max. memory is 7.1 GB. [2018-10-14 16:53:10,906 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 0.25 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 97.40 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 953.45 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10369.81 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 28.3 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 363.2 MB). Peak memory consumption was 391.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 212]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 1 error locations. SAFE Result, 10.2s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 7.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 229 SDtfs, 2080 SDslu, 1917 SDs, 0 SdLazy, 2266 SolverSat, 94 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 692 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=2, 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, 3 MinimizatonAttempts, 83 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 366 NumberOfCodeBlocks, 366 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 324402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 51/53 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-53-10-918.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_46.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-53-10-918.csv Received shutdown request...