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/dll_extends_pointer_true-valid-memsafety.i_15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 21:00:33,365 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 21:00:33,368 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 21:00:33,380 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 21:00:33,380 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 21:00:33,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 21:00:33,382 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 21:00:33,384 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 21:00:33,386 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 21:00:33,387 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 21:00:33,388 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 21:00:33,388 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 21:00:33,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 21:00:33,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 21:00:33,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 21:00:33,392 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 21:00:33,393 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 21:00:33,395 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 21:00:33,397 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 21:00:33,399 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 21:00:33,400 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 21:00:33,401 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 21:00:33,404 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 21:00:33,404 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 21:00:33,404 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 21:00:33,405 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 21:00:33,406 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 21:00:33,407 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 21:00:33,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 21:00:33,409 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 21:00:33,410 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 21:00:33,411 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-12 21:00:33,411 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-12 21:00:33,411 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-12 21:00:33,412 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-12 21:00:33,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-12 21:00:33,416 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 21:00:33,436 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 21:00:33,436 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 21:00:33,437 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 21:00:33,437 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 21:00:33,438 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 21:00:33,441 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 21:00:33,442 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 21:00:33,442 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 21:00:33,442 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 21:00:33,442 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 21:00:33,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 21:00:33,443 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 21:00:33,443 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 21:00:33,447 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 21:00:33,447 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 21:00:33,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 21:00:33,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 21:00:33,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 21:00:33,547 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 21:00:33,548 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 21:00:33,548 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_15.bpl [2018-10-12 21:00:33,549 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_15.bpl' [2018-10-12 21:00:33,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 21:00:33,648 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 21:00:33,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 21:00:33,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 21:00:33,649 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 21:00:33,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:00:33" (1/1) ... [2018-10-12 21:00:33,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:00:33" (1/1) ... [2018-10-12 21:00:33,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:00:33" (1/1) ... [2018-10-12 21:00:33,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:00:33" (1/1) ... [2018-10-12 21:00:33,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:00:33" (1/1) ... [2018-10-12 21:00:33,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:00:33" (1/1) ... [2018-10-12 21:00:33,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:00:33" (1/1) ... [2018-10-12 21:00:33,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 21:00:33,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 21:00:33,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 21:00:33,720 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 21:00:33,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:00:33" (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 [2018-10-12 21:00:33,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 21:00:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 21:00:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 21:00:34,443 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 21:00:34,444 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:00:34 BoogieIcfgContainer [2018-10-12 21:00:34,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 21:00:34,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 21:00:34,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 21:00:34,449 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 21:00:34,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:00:33" (1/2) ... [2018-10-12 21:00:34,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b4ae88 and model type dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:00:34, skipping insertion in model container [2018-10-12 21:00:34,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:00:34" (2/2) ... [2018-10-12 21:00:34,453 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_extends_pointer_true-valid-memsafety.i_15.bpl [2018-10-12 21:00:34,462 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 21:00:34,471 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 21:00:34,488 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 21:00:34,516 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 21:00:34,517 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 21:00:34,517 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 21:00:34,517 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 21:00:34,518 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 21:00:34,518 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 21:00:34,518 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 21:00:34,518 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 21:00:34,518 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 21:00:34,537 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-10-12 21:00:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-12 21:00:34,547 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:00:34,549 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] [2018-10-12 21:00:34,550 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:00:34,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:00:34,557 INFO L82 PathProgramCache]: Analyzing trace with hash -441156140, now seen corresponding path program 1 times [2018-10-12 21:00:34,607 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:00:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:00:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:00:34,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:00:34,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-12 21:00:35,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-12 21:00:35,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-12 21:00:35,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-12 21:00:35,021 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 7 states. [2018-10-12 21:00:35,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:00:35,937 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-10-12 21:00:35,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-12 21:00:35,939 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-10-12 21:00:35,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:00:35,954 INFO L225 Difference]: With dead ends: 103 [2018-10-12 21:00:35,954 INFO L226 Difference]: Without dead ends: 103 [2018-10-12 21:00:35,956 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-10-12 21:00:35,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-10-12 21:00:35,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 80. [2018-10-12 21:00:35,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-10-12 21:00:35,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-10-12 21:00:36,001 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 51 [2018-10-12 21:00:36,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:00:36,002 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-10-12 21:00:36,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-12 21:00:36,002 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-10-12 21:00:36,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-12 21:00:36,005 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:00:36,006 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:00:36,006 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:00:36,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:00:36,007 INFO L82 PathProgramCache]: Analyzing trace with hash 248049377, now seen corresponding path program 1 times [2018-10-12 21:00:36,008 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:00:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:00:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:00:37,114 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:00:37,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-10-12 21:00:37,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-12 21:00:37,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-12 21:00:37,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-10-12 21:00:37,119 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 14 states. [2018-10-12 21:00:38,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:00:38,313 INFO L93 Difference]: Finished difference Result 75 states and 74 transitions. [2018-10-12 21:00:38,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-12 21:00:38,315 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 79 [2018-10-12 21:00:38,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:00:38,317 INFO L225 Difference]: With dead ends: 75 [2018-10-12 21:00:38,317 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 21:00:38,318 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=188, Invalid=742, Unknown=0, NotChecked=0, Total=930 [2018-10-12 21:00:38,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 21:00:38,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 21:00:38,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 21:00:38,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 21:00:38,320 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2018-10-12 21:00:38,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:00:38,320 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 21:00:38,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-12 21:00:38,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 21:00:38,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 21:00:38,326 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:00:38 BoogieIcfgContainer [2018-10-12 21:00:38,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 21:00:38,327 INFO L168 Benchmark]: Toolchain (without parser) took 4680.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 243.2 MB). Peak memory consumption was 243.2 MB. Max. memory is 7.1 GB. [2018-10-12 21:00:38,329 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-10-12 21:00:38,330 INFO L168 Benchmark]: Boogie Preprocessor took 70.84 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. [2018-10-12 21:00:38,331 INFO L168 Benchmark]: RCFGBuilder took 724.50 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. [2018-10-12 21:00:38,332 INFO L168 Benchmark]: TraceAbstraction took 3880.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 211.5 MB). Peak memory consumption was 211.5 MB. Max. memory is 7.1 GB. [2018-10-12 21:00:38,336 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 0.20 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 70.84 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 724.50 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 3880.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 211.5 MB). Peak memory consumption was 211.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 143]: 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, 78 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 84 SDtfs, 396 SDslu, 353 SDs, 0 SdLazy, 430 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred 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, 23 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 75498 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 3/4 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/dll_extends_pointer_true-valid-memsafety.i_15.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_21-00-38-351.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/dll_extends_pointer_true-valid-memsafety.i_15.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_21-00-38-351.csv Received shutdown request...