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_26.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:52:35,073 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:52:35,075 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:52:35,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:52:35,092 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:52:35,094 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:52:35,096 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:52:35,099 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:52:35,101 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:52:35,107 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:52:35,108 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-14 16:52:35,145 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 16:52:35,162 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:52:35,162 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:52:35,164 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:52:35,164 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:52:35,164 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:52:35,164 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:52:35,165 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:52:35,165 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:52:35,166 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:52:35,166 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:52:35,166 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:52:35,166 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:52:35,166 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:52:35,167 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:52:35,167 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:52:35,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:52:35,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:52:35,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:52:35,245 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:52:35,245 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:52:35,246 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl [2018-10-14 16:52:35,247 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl' [2018-10-14 16:52:35,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:52:35,346 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:52:35,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:52:35,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:52:35,347 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:52:35,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:35" (1/1) ... [2018-10-14 16:52:35,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:35" (1/1) ... [2018-10-14 16:52:35,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:35" (1/1) ... [2018-10-14 16:52:35,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:35" (1/1) ... [2018-10-14 16:52:35,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:35" (1/1) ... [2018-10-14 16:52:35,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:35" (1/1) ... [2018-10-14 16:52:35,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:35" (1/1) ... [2018-10-14 16:52:35,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:52:35,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:52:35,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:52:35,422 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:52:35,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 16:52:35,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:52:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:52:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:52:36,191 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:52:36,192 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:52:36 BoogieIcfgContainer [2018-10-14 16:52:36,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:52:36,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:52:36,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:52:36,197 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:52:36,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:52:35" (1/2) ... [2018-10-14 16:52:36,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ae0848 and model type sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:52:36, skipping insertion in model container [2018-10-14 16:52:36,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:52:36" (2/2) ... [2018-10-14 16:52:36,201 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl [2018-10-14 16:52:36,211 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:52:36,220 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:52:36,237 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:52:36,272 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:52:36,273 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:52:36,273 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:52:36,274 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:52:36,274 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:52:36,274 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:52:36,274 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:52:36,274 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:52:36,274 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:52:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-10-14 16:52:36,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-14 16:52:36,324 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:52:36,325 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] [2018-10-14 16:52:36,326 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:52:36,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:52:36,333 INFO L82 PathProgramCache]: Analyzing trace with hash -775163464, now seen corresponding path program 1 times [2018-10-14 16:52:36,396 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:52:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:52:36,811 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 16:52:36,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:52:36,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-14 16:52:36,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-14 16:52:36,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-14 16:52:36,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-14 16:52:36,840 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 7 states. [2018-10-14 16:52:37,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:52:37,613 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-10-14 16:52:37,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-14 16:52:37,616 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-10-14 16:52:37,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:52:37,630 INFO L225 Difference]: With dead ends: 109 [2018-10-14 16:52:37,630 INFO L226 Difference]: Without dead ends: 109 [2018-10-14 16:52:37,633 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-10-14 16:52:37,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-10-14 16:52:37,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 92. [2018-10-14 16:52:37,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-10-14 16:52:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-10-14 16:52:37,680 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 71 [2018-10-14 16:52:37,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:52:37,681 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2018-10-14 16:52:37,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-14 16:52:37,681 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-10-14 16:52:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-14 16:52:37,685 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:52:37,685 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] [2018-10-14 16:52:37,686 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:52:37,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:52:37,687 INFO L82 PathProgramCache]: Analyzing trace with hash -400814551, now seen corresponding path program 1 times [2018-10-14 16:52:37,688 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:52:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:52:38,493 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 16:52:38,493 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:52:38,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-10-14 16:52:38,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-14 16:52:38,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-14 16:52:38,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2018-10-14 16:52:38,497 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand 15 states. [2018-10-14 16:52:39,930 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-10-14 16:52:40,292 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-10-14 16:52:40,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:52:40,554 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-10-14 16:52:40,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-14 16:52:40,556 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 91 [2018-10-14 16:52:40,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:52:40,560 INFO L225 Difference]: With dead ends: 129 [2018-10-14 16:52:40,560 INFO L226 Difference]: Without dead ends: 129 [2018-10-14 16:52:40,562 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=245, Invalid=1015, Unknown=0, NotChecked=0, Total=1260 [2018-10-14 16:52:40,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-10-14 16:52:40,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 112. [2018-10-14 16:52:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-14 16:52:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-10-14 16:52:40,573 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 91 [2018-10-14 16:52:40,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:52:40,574 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-10-14 16:52:40,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-14 16:52:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-10-14 16:52:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-14 16:52:40,577 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:52:40,577 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:40,577 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:52:40,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:52:40,578 INFO L82 PathProgramCache]: Analyzing trace with hash 13273114, now seen corresponding path program 2 times [2018-10-14 16:52:40,579 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:52:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:52:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-14 16:52:41,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:52:41,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-10-14 16:52:41,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-14 16:52:41,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-14 16:52:41,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-10-14 16:52:41,219 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 16 states. [2018-10-14 16:52:41,950 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2018-10-14 16:52:42,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:52:42,115 INFO L93 Difference]: Finished difference Result 77 states and 76 transitions. [2018-10-14 16:52:42,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-14 16:52:42,115 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 111 [2018-10-14 16:52:42,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:52:42,116 INFO L225 Difference]: With dead ends: 77 [2018-10-14 16:52:42,116 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:52:42,117 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=234, Invalid=578, Unknown=0, NotChecked=0, Total=812 [2018-10-14 16:52:42,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:52:42,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:52:42,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:52:42,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:52:42,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2018-10-14 16:52:42,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:52:42,119 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:52:42,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-14 16:52:42,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:52:42,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:52:42,125 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:52:42 BoogieIcfgContainer [2018-10-14 16:52:42,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:52:42,126 INFO L168 Benchmark]: Toolchain (without parser) took 6780.96 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 436.2 MB). Peak memory consumption was 436.2 MB. Max. memory is 7.1 GB. [2018-10-14 16:52:42,127 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:52:42,128 INFO L168 Benchmark]: Boogie Preprocessor took 71.44 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:52:42,129 INFO L168 Benchmark]: RCFGBuilder took 770.72 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 16:52:42,130 INFO L168 Benchmark]: TraceAbstraction took 5931.88 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 404.5 MB). Peak memory consumption was 404.5 MB. Max. memory is 7.1 GB. [2018-10-14 16:52:42,133 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 0.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.44 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 770.72 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5931.88 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 404.5 MB). Peak memory consumption was 404.5 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, 5.8s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 164 SDtfs, 996 SDslu, 875 SDs, 0 SdLazy, 934 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred 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, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 270 ConstructedInterpolants, 0 QuantifiedInterpolants, 119040 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 24/26 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_26.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-52-42-145.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_26.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-52-42-145.csv Received shutdown request...