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/selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:51:13,257 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:51:13,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:51:13,276 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:51:13,276 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:51:13,278 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:51:13,279 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:51:13,282 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:51:13,284 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:51:13,285 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:51:13,287 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:51:13,287 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:51:13,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:51:13,289 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:51:13,292 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:51:13,299 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:51:13,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:51:13,303 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:51:13,308 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:51:13,312 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:51:13,313 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:51:13,316 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:51:13,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:51:13,321 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:51:13,321 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:51:13,325 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:51:13,326 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:51:13,329 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:51:13,330 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:51:13,330 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:51:13,332 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:51:13,333 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 16:51:13,333 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 16:51:13,333 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 16:51:13,334 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 16:51:13,335 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 16:51:13,335 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 16:51:13,349 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:51:13,349 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:51:13,350 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:51:13,350 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:51:13,350 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:51:13,351 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:51:13,351 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:51:13,352 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:51:13,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:51:13,352 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:51:13,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:51:13,352 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:51:13,353 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:51:13,353 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:51:13,354 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:51:13,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:51:13,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:51:13,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:51:13,423 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:51:13,424 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:51:13,425 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl [2018-10-14 16:51:13,425 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl' [2018-10-14 16:51:13,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:51:13,502 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:51:13,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:51:13,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:51:13,503 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:51:13,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:51:13" (1/1) ... [2018-10-14 16:51:13,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:51:13" (1/1) ... [2018-10-14 16:51:13,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:51:13" (1/1) ... [2018-10-14 16:51:13,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:51:13" (1/1) ... [2018-10-14 16:51:13,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:51:13" (1/1) ... [2018-10-14 16:51:13,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:51:13" (1/1) ... [2018-10-14 16:51:13,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:51:13" (1/1) ... [2018-10-14 16:51:13,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:51:13,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:51:13,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:51:13,558 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:51:13,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:51:13" (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 16:51:13,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:51:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:51:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:51:14,150 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:51:14,150 INFO L202 PluginConnector]: Adding new model selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:51:14 BoogieIcfgContainer [2018-10-14 16:51:14,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:51:14,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:51:14,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:51:14,158 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:51:14,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:51:13" (1/2) ... [2018-10-14 16:51:14,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec7b10e and model type selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:51:14, skipping insertion in model container [2018-10-14 16:51:14,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:51:14" (2/2) ... [2018-10-14 16:51:14,162 INFO L112 eAbstractionObserver]: Analyzing ICFG selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl [2018-10-14 16:51:14,173 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:51:14,184 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:51:14,201 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:51:14,232 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:51:14,232 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:51:14,233 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:51:14,233 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:51:14,233 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:51:14,233 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:51:14,233 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:51:14,233 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:51:14,234 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:51:14,252 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-10-14 16:51:14,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-14 16:51:14,262 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:51:14,263 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] [2018-10-14 16:51:14,264 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:51:14,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:51:14,272 INFO L82 PathProgramCache]: Analyzing trace with hash -287618264, now seen corresponding path program 1 times [2018-10-14 16:51:14,334 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:51:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:51:15,307 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 16:51:15,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:51:15,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-10-14 16:51:15,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-14 16:51:15,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-14 16:51:15,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-10-14 16:51:15,335 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 14 states. [2018-10-14 16:51:16,007 WARN L179 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-10-14 16:51:16,754 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2018-10-14 16:51:16,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:51:16,918 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-10-14 16:51:16,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-14 16:51:16,920 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 37 [2018-10-14 16:51:16,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:51:16,934 INFO L225 Difference]: With dead ends: 79 [2018-10-14 16:51:16,934 INFO L226 Difference]: Without dead ends: 79 [2018-10-14 16:51:16,937 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2018-10-14 16:51:16,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-10-14 16:51:16,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 61. [2018-10-14 16:51:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-10-14 16:51:16,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-10-14 16:51:16,994 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 37 [2018-10-14 16:51:16,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:51:16,995 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-10-14 16:51:16,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-14 16:51:16,996 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-10-14 16:51:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-14 16:51:16,998 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:51:16,998 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-14 16:51:16,998 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:51:17,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:51:17,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1691380162, now seen corresponding path program 1 times [2018-10-14 16:51:17,002 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:51:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:51:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:51:17,695 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:51:17,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-10-14 16:51:17,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-14 16:51:17,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-14 16:51:17,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2018-10-14 16:51:17,699 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 16 states. [2018-10-14 16:51:19,003 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2018-10-14 16:51:19,195 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2018-10-14 16:51:19,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:51:19,251 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-10-14 16:51:19,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-14 16:51:19,251 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 60 [2018-10-14 16:51:19,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:51:19,253 INFO L225 Difference]: With dead ends: 77 [2018-10-14 16:51:19,253 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:51:19,255 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2018-10-14 16:51:19,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:51:19,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:51:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:51:19,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:51:19,256 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-10-14 16:51:19,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:51:19,257 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:51:19,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-14 16:51:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:51:19,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:51:19,262 INFO L202 PluginConnector]: Adding new model selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:51:19 BoogieIcfgContainer [2018-10-14 16:51:19,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:51:19,263 INFO L168 Benchmark]: Toolchain (without parser) took 5761.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 330.5 MB). Peak memory consumption was 330.5 MB. Max. memory is 7.1 GB. [2018-10-14 16:51:19,264 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 16:51:19,265 INFO L168 Benchmark]: Boogie Preprocessor took 54.05 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 16:51:19,265 INFO L168 Benchmark]: RCFGBuilder took 593.05 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-14 16:51:19,266 INFO L168 Benchmark]: TraceAbstraction took 5109.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 309.3 MB). Peak memory consumption was 309.3 MB. Max. memory is 7.1 GB. [2018-10-14 16:51:19,270 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 54.05 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 593.05 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5109.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 309.3 MB). Peak memory consumption was 309.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: 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, 59 locations, 1 error locations. SAFE Result, 5.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 77 SDtfs, 908 SDslu, 343 SDs, 0 SdLazy, 322 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=1, 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, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 50914 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/4 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/selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-51-19-281.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/selectionsort-alloca_true-valid-memsafety_true-termination.i_7.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-51-19-281.csv Received shutdown request...