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_29.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:52:42,925 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:52:42,927 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:52:42,939 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-14 16:52:42,973 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 16:52:42,983 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:52:42,984 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:52:42,984 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:52:42,985 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:52:42,985 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:52:42,985 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:52:42,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:52:42,986 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:52:42,986 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:52:42,986 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:52:42,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:52:42,987 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:52:42,987 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:52:42,988 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:52:42,988 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:52:43,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:52:43,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:52:43,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:52:43,050 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:52:43,051 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:52:43,052 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl [2018-10-14 16:52:43,052 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl' [2018-10-14 16:52:43,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:52:43,142 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:52:43,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:52:43,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:52:43,143 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:52:43,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:43" (1/1) ... [2018-10-14 16:52:43,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:43" (1/1) ... [2018-10-14 16:52:43,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:43" (1/1) ... [2018-10-14 16:52:43,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:43" (1/1) ... [2018-10-14 16:52:43,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:43" (1/1) ... [2018-10-14 16:52:43,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:43" (1/1) ... [2018-10-14 16:52:43,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:43" (1/1) ... [2018-10-14 16:52:43,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:52:43,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:52:43,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:52:43,229 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:52:43,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:43" (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 16:52:43,308 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:52:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:52:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:52:44,171 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:52:44,172 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:52:44 BoogieIcfgContainer [2018-10-14 16:52:44,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:52:44,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:52:44,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:52:44,177 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:52:44,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:43" (1/2) ... [2018-10-14 16:52:44,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8898fd and model type sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:52:44, skipping insertion in model container [2018-10-14 16:52:44,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:52:44" (2/2) ... [2018-10-14 16:52:44,181 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl [2018-10-14 16:52:44,191 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:52:44,200 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:52:44,219 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:52:44,249 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:52:44,250 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:52:44,250 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:52:44,250 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:52:44,250 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:52:44,251 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:52:44,251 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:52:44,251 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:52:44,251 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:52:44,277 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-10-14 16:52:44,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-14 16:52:44,299 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:52:44,300 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] [2018-10-14 16:52:44,302 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:52:44,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:52:44,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1739732953, now seen corresponding path program 1 times [2018-10-14 16:52:44,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:52:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:52:45,148 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 16:52:45,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:52:45,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-14 16:52:45,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-14 16:52:45,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-14 16:52:45,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-14 16:52:45,177 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 10 states. [2018-10-14 16:52:46,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:52:46,494 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-10-14 16:52:46,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-14 16:52:46,497 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 72 [2018-10-14 16:52:46,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:52:46,513 INFO L225 Difference]: With dead ends: 111 [2018-10-14 16:52:46,513 INFO L226 Difference]: Without dead ends: 111 [2018-10-14 16:52:46,518 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-10-14 16:52:46,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-10-14 16:52:46,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 93. [2018-10-14 16:52:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-10-14 16:52:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-10-14 16:52:46,585 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 72 [2018-10-14 16:52:46,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:52:46,586 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-10-14 16:52:46,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-14 16:52:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-10-14 16:52:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-14 16:52:46,590 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:52:46,590 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:52:46,591 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:52:46,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:52:46,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1469207741, now seen corresponding path program 1 times [2018-10-14 16:52:46,593 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:52:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:52:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:52:47,264 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:52:47,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-10-14 16:52:47,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-14 16:52:47,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-14 16:52:47,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2018-10-14 16:52:47,268 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 19 states. [2018-10-14 16:52:49,761 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-10-14 16:52:49,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:52:49,936 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-10-14 16:52:49,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-10-14 16:52:49,937 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 92 [2018-10-14 16:52:49,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:52:49,939 INFO L225 Difference]: With dead ends: 131 [2018-10-14 16:52:49,939 INFO L226 Difference]: Without dead ends: 131 [2018-10-14 16:52:49,941 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=330, Invalid=1562, Unknown=0, NotChecked=0, Total=1892 [2018-10-14 16:52:49,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-10-14 16:52:49,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 113. [2018-10-14 16:52:49,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-10-14 16:52:49,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-10-14 16:52:49,953 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 92 [2018-10-14 16:52:49,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:52:49,954 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-10-14 16:52:49,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-14 16:52:49,954 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-10-14 16:52:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-14 16:52:49,956 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:52:49,957 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-10-14 16:52:49,957 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:52:49,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:52:49,958 INFO L82 PathProgramCache]: Analyzing trace with hash 726091181, now seen corresponding path program 2 times [2018-10-14 16:52:49,959 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:52:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:52:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:52:50,865 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:52:50,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-10-14 16:52:50,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-10-14 16:52:50,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-10-14 16:52:50,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-10-14 16:52:50,867 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 30 states. [2018-10-14 16:52:54,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:52:54,338 INFO L93 Difference]: Finished difference Result 110 states and 109 transitions. [2018-10-14 16:52:54,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-10-14 16:52:54,338 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 112 [2018-10-14 16:52:54,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:52:54,340 INFO L225 Difference]: With dead ends: 110 [2018-10-14 16:52:54,340 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:52:54,343 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=559, Invalid=3473, Unknown=0, NotChecked=0, Total=4032 [2018-10-14 16:52:54,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:52:54,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:52:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:52:54,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:52:54,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2018-10-14 16:52:54,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:52:54,344 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:52:54,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-10-14 16:52:54,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:52:54,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:52:54,350 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:52:54 BoogieIcfgContainer [2018-10-14 16:52:54,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:52:54,351 INFO L168 Benchmark]: Toolchain (without parser) took 11210.31 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 27.3 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 393.4 MB). Peak memory consumption was 420.7 MB. Max. memory is 7.1 GB. [2018-10-14 16:52:54,353 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 16:52:54,354 INFO L168 Benchmark]: Boogie Preprocessor took 84.35 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 16:52:54,355 INFO L168 Benchmark]: RCFGBuilder took 943.93 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 16:52:54,356 INFO L168 Benchmark]: TraceAbstraction took 10177.30 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 27.3 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 361.7 MB). Peak memory consumption was 388.9 MB. Max. memory is 7.1 GB. [2018-10-14 16:52:54,360 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 0.21 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 84.35 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 943.93 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10177.30 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 27.3 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 361.7 MB). Peak memory consumption was 388.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 185]: 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, 92 locations, 1 error locations. SAFE Result, 10.1s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 7.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 155 SDtfs, 1751 SDslu, 1249 SDs, 0 SdLazy, 2136 SolverSat, 94 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred 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, 36 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 273 ConstructedInterpolants, 0 QuantifiedInterpolants, 316185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/29 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_29.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-52-54-372.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_29.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-52-54-372.csv Received shutdown request...