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/all/stmt-bool-assume-4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:12:41,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:12:41,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:12:41,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:12:41,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:12:41,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:12:41,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:12:41,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:12:41,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:12:41,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:12:41,899 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:12:41,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:12:41,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:12:41,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:12:41,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:12:41,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:12:41,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:12:41,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:12:41,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:12:41,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:12:41,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:12:41,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:12:41,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:12:41,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:12:41,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:12:41,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:12:41,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:12:41,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:12:41,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:12:41,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:12:41,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:12:41,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:12:41,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:12:41,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:12:41,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:12:41,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:12:41,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:12:41,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:12:41,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:12:41,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:12:41,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:12:41,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:12:41,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:12:41,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:12:41,973 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:12:41,974 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:12:41,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-bool-assume-4.bpl [2019-08-05 11:12:41,977 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-bool-assume-4.bpl' [2019-08-05 11:12:42,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:12:42,004 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:12:42,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:12:42,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:12:42,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:12:42,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:41" (1/1) ... [2019-08-05 11:12:42,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:41" (1/1) ... [2019-08-05 11:12:42,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:12:42,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:12:42,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:12:42,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:12:42,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:41" (1/1) ... [2019-08-05 11:12:42,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:41" (1/1) ... [2019-08-05 11:12:42,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:41" (1/1) ... [2019-08-05 11:12:42,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:41" (1/1) ... [2019-08-05 11:12:42,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:41" (1/1) ... [2019-08-05 11:12:42,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:41" (1/1) ... [2019-08-05 11:12:42,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:41" (1/1) ... [2019-08-05 11:12:42,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:12:42,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:12:42,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:12:42,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:12:42,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:41" (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 11:12:42,130 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:12:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:12:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:12:42,334 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:12:42,335 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:12:42,336 INFO L202 PluginConnector]: Adding new model stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:12:42 BoogieIcfgContainer [2019-08-05 11:12:42,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:12:42,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:12:42,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:12:42,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:12:42,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:41" (1/2) ... [2019-08-05 11:12:42,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b57fb47 and model type stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:12:42, skipping insertion in model container [2019-08-05 11:12:42,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:12:42" (2/2) ... [2019-08-05 11:12:42,349 INFO L109 eAbstractionObserver]: Analyzing ICFG stmt-bool-assume-4.bpl [2019-08-05 11:12:42,359 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:12:42,369 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-08-05 11:12:42,386 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-08-05 11:12:42,416 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:12:42,417 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:12:42,417 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:12:42,417 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:12:42,417 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:12:42,417 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:12:42,418 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:12:42,418 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:12:42,418 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:12:42,433 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 11:12:42,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:12:42,443 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:12:42,444 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:12:42,450 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:12:42,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:12:42,458 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 11:12:42,506 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:12:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:12:42,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 1 conjunts are in the unsatisfiable core [2019-08-05 11:12:42,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:12:42,540 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 11:12:42,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:12:42,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:12:42,547 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-08-05 11:12:42,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-08-05 11:12:42,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 11:12:42,560 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 2 states. [2019-08-05 11:12:42,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:12:42,570 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2019-08-05 11:12:42,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-08-05 11:12:42,572 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 2 [2019-08-05 11:12:42,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:12:42,583 INFO L225 Difference]: With dead ends: 5 [2019-08-05 11:12:42,583 INFO L226 Difference]: Without dead ends: 4 [2019-08-05 11:12:42,585 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 11:12:42,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2019-08-05 11:12:42,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2019-08-05 11:12:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-08-05 11:12:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3 transitions. [2019-08-05 11:12:42,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 3 transitions. Word has length 2 [2019-08-05 11:12:42,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:12:42,620 INFO L475 AbstractCegarLoop]: Abstraction has 4 states and 3 transitions. [2019-08-05 11:12:42,620 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-08-05 11:12:42,620 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2019-08-05 11:12:42,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:12:42,621 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:12:42,621 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:12:42,622 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:12:42,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:12:42,622 INFO L82 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2019-08-05 11:12:42,623 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:12:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:12:42,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 11:12:42,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:12:42,674 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 11:12:42,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:12:42,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:12:42,676 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:12:42,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:12:42,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:12:42,677 INFO L87 Difference]: Start difference. First operand 4 states and 3 transitions. Second operand 3 states. [2019-08-05 11:12:42,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:12:42,678 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2019-08-05 11:12:42,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:12:42,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 11:12:42,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:12:42,679 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:12:42,679 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:12:42,680 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 11:12:42,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:12:42,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:12:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:12:42,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:12:42,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-08-05 11:12:42,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:12:42,682 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:12:42,682 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:12:42,682 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:12:42,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:12:42,688 INFO L202 PluginConnector]: Adding new model stmt-bool-assume-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:12:42 BoogieIcfgContainer [2019-08-05 11:12:42,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:12:42,691 INFO L168 Benchmark]: Toolchain (without parser) took 685.91 ms. Allocated memory is still 134.7 MB. Free memory was 112.6 MB in the beginning and 81.5 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:42,693 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.49 ms. Allocated memory is still 134.7 MB. Free memory was 113.6 MB in the beginning and 113.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:12:42,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.64 ms. Allocated memory is still 134.7 MB. Free memory was 112.3 MB in the beginning and 110.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:42,696 INFO L168 Benchmark]: Boogie Preprocessor took 20.57 ms. Allocated memory is still 134.7 MB. Free memory was 110.8 MB in the beginning and 109.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:42,697 INFO L168 Benchmark]: RCFGBuilder took 275.50 ms. Allocated memory is still 134.7 MB. Free memory was 109.7 MB in the beginning and 101.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:42,699 INFO L168 Benchmark]: TraceAbstraction took 350.24 ms. Allocated memory is still 134.7 MB. Free memory was 101.2 MB in the beginning and 81.7 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:42,704 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 1.49 ms. Allocated memory is still 134.7 MB. Free memory was 113.6 MB in the beginning and 113.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 33.64 ms. Allocated memory is still 134.7 MB. Free memory was 112.3 MB in the beginning and 110.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.57 ms. Allocated memory is still 134.7 MB. Free memory was 110.8 MB in the beginning and 109.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 275.50 ms. Allocated memory is still 134.7 MB. Free memory was 109.7 MB in the beginning and 101.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 350.24 ms. Allocated memory is still 134.7 MB. Free memory was 101.2 MB in the beginning and 81.7 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 9]: 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, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 3 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...