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-6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:13:42,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:13:42,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:13:42,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:13:42,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:13:42,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:13:42,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:13:42,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:13:42,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:13:42,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:13:42,462 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:13:42,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:13:42,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:13:42,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:13:42,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:13:42,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:13:42,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:13:42,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:13:42,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:13:42,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:13:42,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:13:42,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:13:42,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:13:42,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:13:42,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:13:42,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:13:42,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:13:42,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:13:42,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:13:42,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:13:42,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:13:42,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:13:42,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:13:42,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:13:42,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:13:42,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:13:42,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:13:42,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:13:42,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:13:42,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:13:42,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:13:42,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:13:42,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:13:42,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:13:42,537 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:13:42,538 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:13:42,538 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-bool-assume-6.bpl [2019-08-05 11:13:42,539 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-bool-assume-6.bpl' [2019-08-05 11:13:42,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:13:42,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:13:42,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:13:42,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:13:42,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:13:42,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:42" (1/1) ... [2019-08-05 11:13:42,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:42" (1/1) ... [2019-08-05 11:13:42,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:13:42,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:13:42,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:13:42,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:13:42,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:42" (1/1) ... [2019-08-05 11:13:42,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:42" (1/1) ... [2019-08-05 11:13:42,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:42" (1/1) ... [2019-08-05 11:13:42,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:42" (1/1) ... [2019-08-05 11:13:42,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:42" (1/1) ... [2019-08-05 11:13:42,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:42" (1/1) ... [2019-08-05 11:13:42,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:42" (1/1) ... [2019-08-05 11:13:42,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:13:42,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:13:42,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:13:42,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:13:42,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:42" (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 11:13:42,695 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:13:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:13:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:13:42,912 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:13:42,913 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:13:42,914 INFO L202 PluginConnector]: Adding new model stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:13:42 BoogieIcfgContainer [2019-08-05 11:13:42,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:13:42,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:13:42,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:13:42,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:13:42,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:42" (1/2) ... [2019-08-05 11:13:42,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b3fcf5 and model type stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:13:42, skipping insertion in model container [2019-08-05 11:13:42,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:13:42" (2/2) ... [2019-08-05 11:13:42,923 INFO L109 eAbstractionObserver]: Analyzing ICFG stmt-bool-assume-6.bpl [2019-08-05 11:13:42,933 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:13:42,940 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-08-05 11:13:42,957 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-08-05 11:13:42,984 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:13:42,985 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:13:42,985 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:13:42,986 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:13:42,986 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:13:42,986 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:13:42,986 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:13:42,986 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:13:42,987 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:13:43,001 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 11:13:43,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:13:43,009 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:13:43,010 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:13:43,013 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:13:43,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:13:43,019 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 11:13:43,067 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:13:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:13:43,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 1 conjunts are in the unsatisfiable core [2019-08-05 11:13:43,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:13:43,102 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 11:13:43,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:13:43,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:13:43,110 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-08-05 11:13:43,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-08-05 11:13:43,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 11:13:43,123 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 2 states. [2019-08-05 11:13:43,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:13:43,134 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2019-08-05 11:13:43,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-08-05 11:13:43,136 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 2 [2019-08-05 11:13:43,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:13:43,146 INFO L225 Difference]: With dead ends: 5 [2019-08-05 11:13:43,147 INFO L226 Difference]: Without dead ends: 4 [2019-08-05 11:13:43,149 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 11:13:43,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2019-08-05 11:13:43,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2019-08-05 11:13:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-08-05 11:13:43,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3 transitions. [2019-08-05 11:13:43,184 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 3 transitions. Word has length 2 [2019-08-05 11:13:43,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:13:43,184 INFO L475 AbstractCegarLoop]: Abstraction has 4 states and 3 transitions. [2019-08-05 11:13:43,184 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-08-05 11:13:43,185 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2019-08-05 11:13:43,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:13:43,185 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:13:43,185 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:13:43,186 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:13:43,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:13:43,186 INFO L82 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2019-08-05 11:13:43,188 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:13:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:13:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:13:43,209 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:13:43,230 INFO L202 PluginConnector]: Adding new model stmt-bool-assume-6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:13:43 BoogieIcfgContainer [2019-08-05 11:13:43,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:13:43,234 INFO L168 Benchmark]: Toolchain (without parser) took 664.81 ms. Allocated memory is still 135.8 MB. Free memory was 113.2 MB in the beginning and 83.4 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:43,235 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 135.8 MB. Free memory is still 114.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:13:43,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.29 ms. Allocated memory is still 135.8 MB. Free memory was 113.2 MB in the beginning and 111.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:43,238 INFO L168 Benchmark]: Boogie Preprocessor took 19.91 ms. Allocated memory is still 135.8 MB. Free memory was 111.5 MB in the beginning and 110.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:43,239 INFO L168 Benchmark]: RCFGBuilder took 289.03 ms. Allocated memory is still 135.8 MB. Free memory was 110.2 MB in the beginning and 102.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:43,241 INFO L168 Benchmark]: TraceAbstraction took 315.26 ms. Allocated memory is still 135.8 MB. Free memory was 102.0 MB in the beginning and 83.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:43,245 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 0.19 ms. Allocated memory is still 135.8 MB. Free memory is still 114.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.29 ms. Allocated memory is still 135.8 MB. Free memory was 113.2 MB in the beginning and 111.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.91 ms. Allocated memory is still 135.8 MB. Free memory was 111.5 MB in the beginning and 110.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 289.03 ms. Allocated memory is still 135.8 MB. Free memory was 110.2 MB in the beginning and 102.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 315.26 ms. Allocated memory is still 135.8 MB. Free memory was 102.0 MB in the beginning and 83.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: assertion can be violated assertion can be violated We found a FailurePath: [L7] assume i != 0; VAL [i=1] [L9] assert true; VAL [i=1] [L10] assert i == 0; VAL [i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 2 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 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, 1 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, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 1 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...