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_28.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:40:46,977 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:40:46,979 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:40:46,991 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:40:46,991 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:40:46,992 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:40:46,994 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:40:46,996 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:40:46,997 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:40:46,998 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:40:46,999 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:40:46,999 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:40:47,000 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:40:47,001 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:40:47,002 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:40:47,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:40:47,004 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:40:47,006 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:40:47,008 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:40:47,010 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:40:47,011 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:40:47,012 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:40:47,015 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:40:47,015 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:40:47,015 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:40:47,016 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:40:47,018 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:40:47,018 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:40:47,019 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:40:47,021 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:40:47,021 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:40:47,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 16:40:47,022 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 16:40:47,022 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 16:40:47,023 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 16:40:47,024 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 16:40:47,024 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 16:40:47,037 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:40:47,037 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:40:47,038 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:40:47,038 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:40:47,039 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:40:47,039 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:40:47,039 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:40:47,040 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:40:47,040 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:40:47,040 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:40:47,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:40:47,041 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:40:47,041 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:40:47,042 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:40:47,042 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:40:47,083 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:40:47,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:40:47,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:40:47,101 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:40:47,101 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:40:47,102 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_28.bpl [2018-10-14 16:40:47,102 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_28.bpl' [2018-10-14 16:40:47,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:40:47,181 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:40:47,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:40:47,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:40:47,182 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:40:47,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:40:47" (1/1) ... [2018-10-14 16:40:47,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:40:47" (1/1) ... [2018-10-14 16:40:47,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:40:47" (1/1) ... [2018-10-14 16:40:47,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:40:47" (1/1) ... [2018-10-14 16:40:47,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:40:47" (1/1) ... [2018-10-14 16:40:47,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:40:47" (1/1) ... [2018-10-14 16:40:47,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:40:47" (1/1) ... [2018-10-14 16:40:47,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:40:47,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:40:47,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:40:47,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:40:47,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:40:47" (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 16:40:47,339 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:40:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:40:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:40:48,011 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:40:48,012 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:40:48 BoogieIcfgContainer [2018-10-14 16:40:48,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:40:48,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:40:48,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:40:48,017 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:40:48,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:40:47" (1/2) ... [2018-10-14 16:40:48,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27738470 and model type dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:40:48, skipping insertion in model container [2018-10-14 16:40:48,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:40:48" (2/2) ... [2018-10-14 16:40:48,020 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_extends_pointer_true-valid-memsafety.i_28.bpl [2018-10-14 16:40:48,030 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:40:48,039 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:40:48,056 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:40:48,085 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:40:48,086 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:40:48,086 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:40:48,086 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:40:48,087 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:40:48,087 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:40:48,087 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:40:48,087 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:40:48,087 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:40:48,107 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2018-10-14 16:40:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-14 16:40:48,119 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:40:48,120 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] [2018-10-14 16:40:48,122 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:40:48,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:40:48,129 INFO L82 PathProgramCache]: Analyzing trace with hash -144334270, now seen corresponding path program 1 times [2018-10-14 16:40:48,182 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:40:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:40:49,240 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 16:40:49,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:40:49,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-14 16:40:49,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-14 16:40:49,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-14 16:40:49,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-10-14 16:40:49,269 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 13 states. [2018-10-14 16:40:49,836 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-10-14 16:40:51,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:40:51,318 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-10-14 16:40:51,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-14 16:40:51,320 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 70 [2018-10-14 16:40:51,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:40:51,334 INFO L225 Difference]: With dead ends: 134 [2018-10-14 16:40:51,335 INFO L226 Difference]: Without dead ends: 134 [2018-10-14 16:40:51,337 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2018-10-14 16:40:51,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-10-14 16:40:51,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 123. [2018-10-14 16:40:51,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-10-14 16:40:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-10-14 16:40:51,386 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 70 [2018-10-14 16:40:51,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:40:51,387 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-10-14 16:40:51,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-14 16:40:51,387 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-10-14 16:40:51,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-14 16:40:51,392 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:40:51,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:40:51,393 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:40:51,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:40:51,394 INFO L82 PathProgramCache]: Analyzing trace with hash -324293149, now seen corresponding path program 1 times [2018-10-14 16:40:51,395 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:40:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:40:52,156 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:40:52,156 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:40:52,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-10-14 16:40:52,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-14 16:40:52,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-14 16:40:52,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2018-10-14 16:40:52,160 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 15 states. [2018-10-14 16:40:53,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:40:53,290 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-10-14 16:40:53,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-14 16:40:53,291 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 122 [2018-10-14 16:40:53,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:40:53,293 INFO L225 Difference]: With dead ends: 132 [2018-10-14 16:40:53,293 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:40:53,295 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=288, Invalid=902, Unknown=0, NotChecked=0, Total=1190 [2018-10-14 16:40:53,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:40:53,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:40:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:40:53,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:40:53,296 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 122 [2018-10-14 16:40:53,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:40:53,296 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:40:53,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-14 16:40:53,297 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:40:53,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:40:53,301 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_28.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:40:53 BoogieIcfgContainer [2018-10-14 16:40:53,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:40:53,302 INFO L168 Benchmark]: Toolchain (without parser) took 6122.23 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: 393.9 MB). Peak memory consumption was 393.9 MB. Max. memory is 7.1 GB. [2018-10-14 16:40:53,304 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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 16:40:53,305 INFO L168 Benchmark]: Boogie Preprocessor took 78.00 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 16:40:53,305 INFO L168 Benchmark]: RCFGBuilder took 751.63 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. [2018-10-14 16:40:53,307 INFO L168 Benchmark]: TraceAbstraction took 5288.15 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: 362.2 MB). Peak memory consumption was 362.2 MB. Max. memory is 7.1 GB. [2018-10-14 16:40:53,311 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.00 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 751.63 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 5288.15 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: 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: 156]: 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, 99 locations, 1 error locations. SAFE Result, 5.2s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 151 SDtfs, 750 SDslu, 735 SDs, 0 SdLazy, 722 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred 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, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 123195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 10/26 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_28.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-40-53-322.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/dll_extends_pointer_true-valid-memsafety.i_28.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-40-53-322.csv Received shutdown request...