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/BoogiePL/schaetzc/lateImplementation.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:53:39,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:53:39,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:53:39,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:53:39,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:53:39,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:53:39,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:53:39,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:53:39,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:53:39,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:53:39,848 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:53:39,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:53:39,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:53:39,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:53:39,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:53:39,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:53:39,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:53:39,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:53:39,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:53:39,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:53:39,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:53:39,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:53:39,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:53:39,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:53:39,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:53:39,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:53:39,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:53:39,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:53:39,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:53:39,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:53:39,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:53:39,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:53:39,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:53:39,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:53:39,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:53:39,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:53:39,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:53:39,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:53:39,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:53:39,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:53:39,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:53:39,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:53:39,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:53:39,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:53:39,919 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:53:39,920 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:53:39,921 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/lateImplementation.bpl [2019-08-05 09:53:39,921 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/lateImplementation.bpl' [2019-08-05 09:53:39,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:53:39,959 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:53:39,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:39,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:53:39,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:53:39,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "lateImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:39,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "lateImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:39,996 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 09:53:39,996 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 09:53:39,997 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 09:53:40,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:40,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:53:40,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:53:40,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:53:40,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lateImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:40,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lateImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:40,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lateImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:40,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lateImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:40,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lateImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:40,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lateImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:40,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lateImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:40,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:53:40,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:53:40,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:53:40,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:53:40,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lateImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (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 09:53:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2019-08-05 09:53:40,113 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2019-08-05 09:53:40,113 INFO L124 BoogieDeclarations]: Specification and implementation of procedure f2 given in one single declaration [2019-08-05 09:53:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2019-08-05 09:53:40,114 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2019-08-05 09:53:40,114 INFO L124 BoogieDeclarations]: Specification and implementation of procedure f3 given in one single declaration [2019-08-05 09:53:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure f3 [2019-08-05 09:53:40,114 INFO L138 BoogieDeclarations]: Found implementation of procedure f3 [2019-08-05 09:53:40,193 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 09:53:40,552 INFO L275 CfgBuilder]: Using library mode [2019-08-05 09:53:40,552 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-05 09:53:40,555 INFO L202 PluginConnector]: Adding new model lateImplementation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:40 BoogieIcfgContainer [2019-08-05 09:53:40,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:53:40,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:53:40,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:53:40,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:53:40,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lateImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/2) ... [2019-08-05 09:53:40,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a9aa24 and model type lateImplementation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:53:40, skipping insertion in model container [2019-08-05 09:53:40,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lateImplementation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:40" (2/2) ... [2019-08-05 09:53:40,563 INFO L109 eAbstractionObserver]: Analyzing ICFG lateImplementation.bpl [2019-08-05 09:53:40,572 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:53:40,579 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-08-05 09:53:40,596 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-08-05 09:53:40,628 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:53:40,629 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:53:40,629 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:53:40,629 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:53:40,630 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:53:40,630 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:53:40,630 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:53:40,630 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:53:40,630 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:53:40,645 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-08-05 09:53:40,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 09:53:40,654 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:53:40,655 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 09:53:40,658 INFO L418 AbstractCegarLoop]: === Iteration 1 === [f2Err0ASSERT_VIOLATIONPRE_CONDITIONandASSERT, f3Err0ASSERT_VIOLATIONPRE_CONDITIONandASSERT]=== [2019-08-05 09:53:40,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:53:40,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1058, now seen corresponding path program 1 times [2019-08-05 09:53:40,714 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:53:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:53:40,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 09:53:40,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:53:40,797 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 09:53:40,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:53:40,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 09:53:40,805 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 09:53:40,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 09:53:40,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 09:53:40,819 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2019-08-05 09:53:40,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 09:53:40,847 INFO L93 Difference]: Finished difference Result 9 states and 6 transitions. [2019-08-05 09:53:40,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 09:53:40,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 09:53:40,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 09:53:40,861 INFO L225 Difference]: With dead ends: 9 [2019-08-05 09:53:40,862 INFO L226 Difference]: Without dead ends: 3 [2019-08-05 09:53:40,864 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 09:53:40,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states. [2019-08-05 09:53:40,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2019-08-05 09:53:40,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-08-05 09:53:40,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2 transitions. [2019-08-05 09:53:40,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states and 2 transitions. Word has length 2 [2019-08-05 09:53:40,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 09:53:40,892 INFO L475 AbstractCegarLoop]: Abstraction has 3 states and 2 transitions. [2019-08-05 09:53:40,893 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 09:53:40,893 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 2 transitions. [2019-08-05 09:53:40,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 09:53:40,893 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:53:40,894 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 09:53:40,894 INFO L418 AbstractCegarLoop]: === Iteration 2 === [f2Err0ASSERT_VIOLATIONPRE_CONDITIONandASSERT, f3Err0ASSERT_VIOLATIONPRE_CONDITIONandASSERT]=== [2019-08-05 09:53:40,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:53:40,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1250, now seen corresponding path program 1 times [2019-08-05 09:53:40,896 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:53:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:53:40,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 09:53:40,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:53:40,942 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 09:53:40,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:53:40,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 09:53:40,944 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 09:53:40,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 09:53:40,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 09:53:40,945 INFO L87 Difference]: Start difference. First operand 3 states and 2 transitions. Second operand 3 states. [2019-08-05 09:53:40,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 09:53:40,946 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-08-05 09:53:40,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 09:53:40,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 09:53:40,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 09:53:40,947 INFO L225 Difference]: With dead ends: 2 [2019-08-05 09:53:40,947 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 09:53:40,948 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 09:53:40,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 09:53:40,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 09:53:40,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 09:53:40,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 09:53:40,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2019-08-05 09:53:40,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 09:53:40,950 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 09:53:40,950 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 09:53:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 09:53:40,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 09:53:40,955 INFO L202 PluginConnector]: Adding new model lateImplementation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:53:40 BoogieIcfgContainer [2019-08-05 09:53:40,956 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:53:40,960 INFO L168 Benchmark]: Toolchain (without parser) took 999.91 ms. Allocated memory is still 140.5 MB. Free memory was 109.0 MB in the beginning and 72.8 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:40,961 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 09:53:40,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.38 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 106.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:40,966 INFO L168 Benchmark]: Boogie Preprocessor took 23.17 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 105.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:40,967 INFO L168 Benchmark]: RCFGBuilder took 517.08 ms. Allocated memory is still 140.5 MB. Free memory was 105.5 MB in the beginning and 93.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:40,968 INFO L168 Benchmark]: TraceAbstraction took 399.17 ms. Allocated memory is still 140.5 MB. Free memory was 93.3 MB in the beginning and 72.8 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:40,979 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 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 54.38 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 106.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.17 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 105.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 517.08 ms. Allocated memory is still 140.5 MB. Free memory was 105.5 MB in the beginning and 93.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 399.17 ms. Allocated memory is still 140.5 MB. Free memory was 93.3 MB in the beginning and 72.8 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: procedure precondition always holds and assertion always holds For all program executions holds that procedure precondition always holds and assertion always holds at this location - PositiveResult [Line: 3]: procedure precondition always holds and assertion always holds For all program executions holds that procedure precondition always holds and assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 10 locations, 2 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 1 SDslu, 4 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 10 ConjunctsInSsa, 4 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...