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_24.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:33:19,915 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:33:19,917 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:33:19,929 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:33:19,930 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:33:19,931 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:33:19,932 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:33:19,934 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:33:19,936 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:33:19,936 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:33:19,937 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:33:19,938 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:33:19,939 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:33:19,940 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:33:19,941 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:33:19,942 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:33:19,942 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:33:19,944 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:33:19,946 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:33:19,948 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:33:19,949 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:33:19,950 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:33:19,952 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 15:33:19,953 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 15:33:19,953 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 15:33:19,955 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 15:33:19,956 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 15:33:19,959 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 15:33:19,961 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 15:33:19,964 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 15:33:19,964 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 15:33:19,965 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 15:33:19,970 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 15:33:19,983 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:33:19,984 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:33:19,985 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:33:19,985 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:33:19,985 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:33:19,985 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:33:19,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:33:19,986 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:33:19,986 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:33:19,986 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:33:19,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:33:19,987 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:33:19,987 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:33:19,988 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:33:19,988 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:33:20,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:33:20,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:33:20,080 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:33:20,081 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:33:20,082 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:33:20,083 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_24.bpl [2018-10-10 15:33:20,083 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_24.bpl' [2018-10-10 15:33:20,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:33:20,177 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:33:20,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:33:20,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:33:20,179 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:33:20,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:33:20" (1/1) ... [2018-10-10 15:33:20,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:33:20" (1/1) ... [2018-10-10 15:33:20,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:33:20" (1/1) ... [2018-10-10 15:33:20,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:33:20" (1/1) ... [2018-10-10 15:33:20,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:33:20" (1/1) ... [2018-10-10 15:33:20,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:33:20" (1/1) ... [2018-10-10 15:33:20,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:33:20" (1/1) ... [2018-10-10 15:33:20,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:33:20,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:33:20,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:33:20,262 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:33:20,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:33:20" (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 [2018-10-10 15:33:20,342 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:33:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:33:20,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:33:21,071 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:33:21,071 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:33:21 BoogieIcfgContainer [2018-10-10 15:33:21,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:33:21,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:33:21,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:33:21,076 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:33:21,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:33:20" (1/2) ... [2018-10-10 15:33:21,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5ca7f5 and model type dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:33:21, skipping insertion in model container [2018-10-10 15:33:21,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:33:21" (2/2) ... [2018-10-10 15:33:21,080 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_extends_pointer_true-valid-memsafety.i_24.bpl [2018-10-10 15:33:21,090 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:33:21,099 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:33:21,116 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:33:21,145 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:33:21,146 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:33:21,146 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:33:21,146 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:33:21,146 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:33:21,146 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:33:21,147 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:33:21,147 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:33:21,147 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:33:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2018-10-10 15:33:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-10 15:33:21,179 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:33:21,180 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] [2018-10-10 15:33:21,182 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:33:21,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:33:21,188 INFO L82 PathProgramCache]: Analyzing trace with hash -144334280, now seen corresponding path program 1 times [2018-10-10 15:33:21,254 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:33:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:33:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:33:22,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:33:22,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-10 15:33:22,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-10 15:33:22,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-10 15:33:22,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-10-10 15:33:22,518 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 13 states. [2018-10-10 15:33:23,127 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-10-10 15:33:23,444 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-10-10 15:33:24,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:33:24,584 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-10-10 15:33:24,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-10 15:33:24,588 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 70 [2018-10-10 15:33:24,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:33:24,603 INFO L225 Difference]: With dead ends: 129 [2018-10-10 15:33:24,603 INFO L226 Difference]: Without dead ends: 129 [2018-10-10 15:33:24,606 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=160, Invalid=490, Unknown=0, NotChecked=0, Total=650 [2018-10-10 15:33:24,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-10-10 15:33:24,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 113. [2018-10-10 15:33:24,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-10-10 15:33:24,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-10-10 15:33:24,656 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 70 [2018-10-10 15:33:24,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:33:24,657 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-10-10 15:33:24,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-10 15:33:24,657 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-10-10 15:33:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-10 15:33:24,661 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:33:24,662 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2018-10-10 15:33:24,662 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:33:24,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:33:24,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1787450462, now seen corresponding path program 1 times [2018-10-10 15:33:24,664 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:33:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:33:25,258 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:33:25,259 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:33:25,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-10-10 15:33:25,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-10 15:33:25,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-10 15:33:25,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-10-10 15:33:25,265 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 14 states. [2018-10-10 15:33:26,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:33:26,788 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-10-10 15:33:26,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-10 15:33:26,791 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 112 [2018-10-10 15:33:26,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:33:26,792 INFO L225 Difference]: With dead ends: 127 [2018-10-10 15:33:26,793 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:33:26,795 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=234, Invalid=636, Unknown=0, NotChecked=0, Total=870 [2018-10-10 15:33:26,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:33:26,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:33:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:33:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:33:26,796 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2018-10-10 15:33:26,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:33:26,796 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:33:26,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-10 15:33:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:33:26,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:33:26,802 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:33:26 BoogieIcfgContainer [2018-10-10 15:33:26,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:33:26,803 INFO L168 Benchmark]: Toolchain (without parser) took 6627.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 393.9 MB). Peak memory consumption was 393.9 MB. Max. memory is 7.1 GB. [2018-10-10 15:33:26,804 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-10-10 15:33:26,805 INFO L168 Benchmark]: Boogie Preprocessor took 78.62 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. [2018-10-10 15:33:26,805 INFO L168 Benchmark]: RCFGBuilder took 815.21 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:33:26,806 INFO L168 Benchmark]: TraceAbstraction took 5729.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 362.2 MB). Peak memory consumption was 362.2 MB. Max. memory is 7.1 GB. [2018-10-10 15:33:26,810 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.62 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 815.21 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5729.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 362.2 MB). Peak memory consumption was 362.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 146]: 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, 89 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 107 SDtfs, 771 SDslu, 519 SDs, 0 SdLazy, 802 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred 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, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 142029 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 5/26 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/dll_extends_pointer_true-valid-memsafety.i_24.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-33-26-821.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/dll_extends_pointer_true-valid-memsafety.i_24.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-33-26-821.csv Received shutdown request...