java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/abstractInterpretation/regression/eq/heapSeparation-twoMallocs.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:11:48,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:11:48,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:11:48,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:11:48,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:11:48,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:11:48,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:11:48,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:11:48,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:11:48,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:11:48,061 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:11:48,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:11:48,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:11:48,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:11:48,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:11:48,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:11:48,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:11:48,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:11:48,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:11:48,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:11:48,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:11:48,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:11:48,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:11:48,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:11:48,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:11:48,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:11:48,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:11:48,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:11:48,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:11:48,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:11:48,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:11:48,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:11:48,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:11:48,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:11:48,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:11:48,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:11:48,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:11:48,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:11:48,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:11:48,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:11:48,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:11:48,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:11:48,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:11:48,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:11:48,150 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:11:48,151 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:11:48,152 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/heapSeparation-twoMallocs.bpl [2019-08-05 11:11:48,153 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/heapSeparation-twoMallocs.bpl' [2019-08-05 11:11:48,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:11:48,190 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:11:48,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:11:48,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:11:48,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:11:48,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:48" (1/1) ... [2019-08-05 11:11:48,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:48" (1/1) ... [2019-08-05 11:11:48,227 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:11:48,228 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:11:48,228 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:11:48,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:11:48,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:11:48,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:11:48,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:11:48,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:48" (1/1) ... [2019-08-05 11:11:48,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:48" (1/1) ... [2019-08-05 11:11:48,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:48" (1/1) ... [2019-08-05 11:11:48,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:48" (1/1) ... [2019-08-05 11:11:48,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:48" (1/1) ... [2019-08-05 11:11:48,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:48" (1/1) ... [2019-08-05 11:11:48,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:48" (1/1) ... [2019-08-05 11:11:48,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:11:48,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:11:48,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:11:48,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:11:48,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:48" (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 [2019-08-05 11:11:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure bla [2019-08-05 11:11:48,325 INFO L138 BoogieDeclarations]: Found implementation of procedure bla [2019-08-05 11:11:48,582 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:11:48,583 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:11:48,586 INFO L202 PluginConnector]: Adding new model heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:11:48 BoogieIcfgContainer [2019-08-05 11:11:48,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:11:48,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:11:48,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:11:48,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:11:48,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:48" (1/2) ... [2019-08-05 11:11:48,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc93b28 and model type heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:11:48, skipping insertion in model container [2019-08-05 11:11:48,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:11:48" (2/2) ... [2019-08-05 11:11:48,595 INFO L109 eAbstractionObserver]: Analyzing ICFG heapSeparation-twoMallocs.bpl [2019-08-05 11:11:48,603 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:11:48,609 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-08-05 11:11:48,623 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-08-05 11:11:48,647 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:11:48,648 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:11:48,648 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:11:48,648 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:11:48,648 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:11:48,649 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:11:48,649 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:11:48,649 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:11:48,649 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:11:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 11:11:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:11:48,671 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:11:48,672 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:11:48,680 INFO L418 AbstractCegarLoop]: === Iteration 1 === [blaErr0ASSERT_VIOLATIONASSERT, blaErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:11:48,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:11:48,686 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 11:11:48,726 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:11:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:11:48,781 WARN L254 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjunts are in the unsatisfiable core [2019-08-05 11:11:48,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:11:48,876 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-08-05 11:11:48,877 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:11:48,886 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:11:48,886 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:11:48,887 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:8, output treesize:4 [2019-08-05 11:11:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:11:48,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:11:48,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:11:48,958 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:11:48,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:11:48,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:11:48,981 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-08-05 11:11:49,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:11:49,067 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2019-08-05 11:11:49,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:11:49,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:11:49,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:11:49,093 INFO L225 Difference]: With dead ends: 5 [2019-08-05 11:11:49,094 INFO L226 Difference]: Without dead ends: 4 [2019-08-05 11:11:49,097 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:11:49,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2019-08-05 11:11:49,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2019-08-05 11:11:49,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-08-05 11:11:49,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3 transitions. [2019-08-05 11:11:49,138 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 3 transitions. Word has length 2 [2019-08-05 11:11:49,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:11:49,138 INFO L475 AbstractCegarLoop]: Abstraction has 4 states and 3 transitions. [2019-08-05 11:11:49,138 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:11:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2019-08-05 11:11:49,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:11:49,139 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:11:49,139 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:11:49,140 INFO L418 AbstractCegarLoop]: === Iteration 2 === [blaErr0ASSERT_VIOLATIONASSERT, blaErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:11:49,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:11:49,140 INFO L82 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2019-08-05 11:11:49,142 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:11:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:11:49,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 11:11:49,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:11:49,216 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-08-05 11:11:49,217 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:11:49,302 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:11:49,303 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:11:49,304 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:14, output treesize:5 [2019-08-05 11:11:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:11:49,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:11:49,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:11:49,362 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:11:49,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:11:49,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:11:49,363 INFO L87 Difference]: Start difference. First operand 4 states and 3 transitions. Second operand 3 states. [2019-08-05 11:11:49,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:11:49,383 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2019-08-05 11:11:49,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:11:49,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 11:11:49,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:11:49,384 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:11:49,385 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:11:49,386 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:11:49,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:11:49,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:11:49,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:11:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:11:49,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-08-05 11:11:49,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:11:49,387 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:11:49,387 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:11:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:11:49,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:11:49,394 INFO L202 PluginConnector]: Adding new model heapSeparation-twoMallocs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:11:49 BoogieIcfgContainer [2019-08-05 11:11:49,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:11:49,396 INFO L168 Benchmark]: Toolchain (without parser) took 1205.66 ms. Allocated memory is still 135.3 MB. Free memory was 111.6 MB in the beginning and 72.1 MB in the end (delta: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:49,397 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 112.8 MB in the beginning and 112.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:11:49,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.62 ms. Allocated memory is still 135.3 MB. Free memory was 111.6 MB in the beginning and 109.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:49,403 INFO L168 Benchmark]: Boogie Preprocessor took 24.81 ms. Allocated memory is still 135.3 MB. Free memory was 109.8 MB in the beginning and 108.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:49,404 INFO L168 Benchmark]: RCFGBuilder took 329.90 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 99.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:49,407 INFO L168 Benchmark]: TraceAbstraction took 806.53 ms. Allocated memory is still 135.3 MB. Free memory was 99.0 MB in the beginning and 72.1 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:49,413 INFO L335 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 135.3 MB. Free memory was 112.8 MB in the beginning and 112.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.62 ms. Allocated memory is still 135.3 MB. Free memory was 111.6 MB in the beginning and 109.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.81 ms. Allocated memory is still 135.3 MB. Free memory was 109.8 MB in the beginning and 108.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.90 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 99.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 806.53 ms. Allocated memory is still 135.3 MB. Free memory was 99.0 MB in the beginning and 72.1 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 27]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 2 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 5 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...