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/count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:36:14,246 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:36:14,249 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:36:14,260 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:36:14,261 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:36:14,262 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:36:14,264 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:36:14,267 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:36:14,268 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:36:14,270 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:36:14,272 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:36:14,273 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:36:14,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:36:14,275 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:36:14,276 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:36:14,277 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:36:14,286 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:36:14,288 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:36:14,292 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:36:14,293 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:36:14,294 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:36:14,297 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:36:14,301 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:36:14,304 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:36:14,305 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:36:14,306 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:36:14,307 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:36:14,310 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:36:14,311 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:36:14,311 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:36:14,314 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:36:14,315 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 16:36:14,315 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 16:36:14,315 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 16:36:14,316 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 16:36:14,316 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 16:36:14,319 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 16:36:14,336 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:36:14,336 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:36:14,337 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:36:14,337 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:36:14,337 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:36:14,337 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:36:14,338 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:36:14,338 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:36:14,338 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:36:14,338 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:36:14,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:36:14,339 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:36:14,339 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:36:14,340 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:36:14,340 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:36:14,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:36:14,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:36:14,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:36:14,416 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:36:14,416 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:36:14,417 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl [2018-10-14 16:36:14,418 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl' [2018-10-14 16:36:14,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:36:14,503 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:36:14,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:36:14,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:36:14,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:36:14,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:36:14" (1/1) ... [2018-10-14 16:36:14,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:36:14" (1/1) ... [2018-10-14 16:36:14,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:36:14" (1/1) ... [2018-10-14 16:36:14,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:36:14" (1/1) ... [2018-10-14 16:36:14,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:36:14" (1/1) ... [2018-10-14 16:36:14,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:36:14" (1/1) ... [2018-10-14 16:36:14,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:36:14" (1/1) ... [2018-10-14 16:36:14,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:36:14,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:36:14,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:36:14,557 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:36:14,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:36:14" (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 16:36:14,620 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:36:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:36:14,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:36:15,255 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:36:15,256 INFO L202 PluginConnector]: Adding new model count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:36:15 BoogieIcfgContainer [2018-10-14 16:36:15,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:36:15,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:36:15,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:36:15,261 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:36:15,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:36:14" (1/2) ... [2018-10-14 16:36:15,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9c7469 and model type count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:36:15, skipping insertion in model container [2018-10-14 16:36:15,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:36:15" (2/2) ... [2018-10-14 16:36:15,265 INFO L112 eAbstractionObserver]: Analyzing ICFG count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl [2018-10-14 16:36:15,276 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:36:15,285 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:36:15,303 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:36:15,332 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:36:15,333 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:36:15,334 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:36:15,334 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:36:15,334 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:36:15,334 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:36:15,334 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:36:15,335 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:36:15,335 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:36:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-10-14 16:36:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-14 16:36:15,377 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:36:15,378 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] [2018-10-14 16:36:15,380 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:36:15,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:36:15,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1615866535, now seen corresponding path program 1 times [2018-10-14 16:36:15,453 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:36:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:36:15,665 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 16:36:15,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:36:15,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-14 16:36:15,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-14 16:36:15,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-14 16:36:15,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-14 16:36:15,687 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 4 states. [2018-10-14 16:36:15,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:36:15,814 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-10-14 16:36:15,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-14 16:36:15,816 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-10-14 16:36:15,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:36:15,828 INFO L225 Difference]: With dead ends: 63 [2018-10-14 16:36:15,829 INFO L226 Difference]: Without dead ends: 63 [2018-10-14 16:36:15,831 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-14 16:36:15,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-10-14 16:36:15,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 49. [2018-10-14 16:36:15,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-10-14 16:36:15,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-10-14 16:36:15,872 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 32 [2018-10-14 16:36:15,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:36:15,872 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-10-14 16:36:15,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-14 16:36:15,873 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-10-14 16:36:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-14 16:36:15,874 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:36:15,875 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] [2018-10-14 16:36:15,875 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:36:15,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:36:15,876 INFO L82 PathProgramCache]: Analyzing trace with hash -32279649, now seen corresponding path program 1 times [2018-10-14 16:36:15,877 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:36:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:36:16,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:36:16,452 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:36:16,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-10-14 16:36:16,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-14 16:36:16,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-14 16:36:16,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-10-14 16:36:16,456 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 9 states. [2018-10-14 16:36:16,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:36:16,854 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-10-14 16:36:16,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-14 16:36:16,855 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 48 [2018-10-14 16:36:16,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:36:16,857 INFO L225 Difference]: With dead ends: 61 [2018-10-14 16:36:16,857 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:36:16,859 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-10-14 16:36:16,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:36:16,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:36:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:36:16,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:36:16,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2018-10-14 16:36:16,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:36:16,862 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:36:16,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-14 16:36:16,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:36:16,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:36:16,869 INFO L202 PluginConnector]: Adding new model count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:36:16 BoogieIcfgContainer [2018-10-14 16:36:16,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:36:16,870 INFO L168 Benchmark]: Toolchain (without parser) took 2368.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-14 16:36:16,872 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:36:16,873 INFO L168 Benchmark]: Boogie Preprocessor took 52.88 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:36:16,873 INFO L168 Benchmark]: RCFGBuilder took 699.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-14 16:36:16,874 INFO L168 Benchmark]: TraceAbstraction took 1611.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 7.1 GB. [2018-10-14 16:36:16,878 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 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.88 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 699.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1611.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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, 50 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 84 SDtfs, 90 SDslu, 182 SDs, 0 SdLazy, 91 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, 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, 2 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 16288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 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/count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-36-16-889.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_down-alloca_true-valid-memsafety_true-termination.i_6.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-36-16-889.csv Received shutdown request...