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/regression/bpl/interprocedural/BugRequiresGlobalVar.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:08:38,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:08:38,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:08:38,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:08:38,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:08:38,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:08:38,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:08:38,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:08:38,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:08:38,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:08:38,410 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:08:38,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:08:38,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:08:38,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:08:38,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:08:38,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:08:38,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:08:38,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:08:38,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:08:38,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:08:38,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:08:38,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:08:38,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:08:38,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:08:38,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:08:38,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:08:38,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:08:38,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:08:38,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:08:38,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:08:38,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:08:38,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:08:38,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:08:38,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:08:38,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:08:38,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:08:38,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:08:38,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:08:38,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:08:38,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:08:38,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:08:38,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:08:38,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:08:38,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:08:38,480 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:08:38,480 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:08:38,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugRequiresGlobalVar.bpl [2019-08-05 11:08:38,481 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugRequiresGlobalVar.bpl' [2019-08-05 11:08:38,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:08:38,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:08:38,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:08:38,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:08:38,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:08:38,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:38" (1/1) ... [2019-08-05 11:08:38,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:38" (1/1) ... [2019-08-05 11:08:38,552 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:08:38,552 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:08:38,552 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:08:38,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:08:38,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:08:38,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:08:38,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:08:38,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:38" (1/1) ... [2019-08-05 11:08:38,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:38" (1/1) ... [2019-08-05 11:08:38,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:38" (1/1) ... [2019-08-05 11:08:38,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:38" (1/1) ... [2019-08-05 11:08:38,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:38" (1/1) ... [2019-08-05 11:08:38,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:38" (1/1) ... [2019-08-05 11:08:38,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:38" (1/1) ... [2019-08-05 11:08:38,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:08:38,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:08:38,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:08:38,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:08:38,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:38" (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 11:08:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure increment2 [2019-08-05 11:08:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:08:38,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:08:38,882 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:08:38,882 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:08:38,884 INFO L202 PluginConnector]: Adding new model BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:08:38 BoogieIcfgContainer [2019-08-05 11:08:38,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:08:38,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:08:38,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:08:38,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:08:38,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:38" (1/2) ... [2019-08-05 11:08:38,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c503910 and model type BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:08:38, skipping insertion in model container [2019-08-05 11:08:38,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:08:38" (2/2) ... [2019-08-05 11:08:38,892 INFO L109 eAbstractionObserver]: Analyzing ICFG BugRequiresGlobalVar.bpl [2019-08-05 11:08:38,902 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:08:38,909 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-08-05 11:08:38,924 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-08-05 11:08:38,948 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:08:38,949 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:08:38,949 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:08:38,949 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:08:38,949 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:08:38,949 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:08:38,950 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:08:38,950 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:08:38,950 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:08:38,964 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 11:08:38,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:08:38,972 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:08:38,973 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:08:38,975 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0REQUIRES_VIOLATIONPRE_CONDITION]=== [2019-08-05 11:08:38,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:08:38,981 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-08-05 11:08:39,027 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:08:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:08:39,055 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 11:08:39,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:08:39,103 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 11:08:39,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:08:39,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:08:39,108 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:08:39,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:08:39,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:08:39,124 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-08-05 11:08:39,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:08:39,172 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2019-08-05 11:08:39,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:08:39,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:08:39,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:08:39,190 INFO L225 Difference]: With dead ends: 5 [2019-08-05 11:08:39,194 INFO L226 Difference]: Without dead ends: 4 [2019-08-05 11:08:39,196 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 11:08:39,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2019-08-05 11:08:39,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2019-08-05 11:08:39,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-08-05 11:08:39,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3 transitions. [2019-08-05 11:08:39,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 3 transitions. Word has length 2 [2019-08-05 11:08:39,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:08:39,228 INFO L475 AbstractCegarLoop]: Abstraction has 4 states and 3 transitions. [2019-08-05 11:08:39,228 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:08:39,228 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2019-08-05 11:08:39,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:08:39,229 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:08:39,229 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:08:39,229 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0REQUIRES_VIOLATIONPRE_CONDITION]=== [2019-08-05 11:08:39,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:08:39,230 INFO L82 PathProgramCache]: Analyzing trace with hash 29825, now seen corresponding path program 1 times [2019-08-05 11:08:39,231 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:08:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:08:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:08:39,262 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:08:39,283 INFO L202 PluginConnector]: Adding new model BugRequiresGlobalVar.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:08:39 BoogieIcfgContainer [2019-08-05 11:08:39,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:08:39,287 INFO L168 Benchmark]: Toolchain (without parser) took 770.17 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 75.7 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:39,289 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:08:39,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.25 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 105.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:39,292 INFO L168 Benchmark]: Boogie Preprocessor took 24.63 ms. Allocated memory is still 133.7 MB. Free memory was 105.8 MB in the beginning and 104.8 MB in the end (delta: 934.0 kB). Peak memory consumption was 934.0 kB. Max. memory is 7.1 GB. [2019-08-05 11:08:39,293 INFO L168 Benchmark]: RCFGBuilder took 302.91 ms. Allocated memory is still 133.7 MB. Free memory was 104.6 MB in the beginning and 95.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:39,294 INFO L168 Benchmark]: TraceAbstraction took 397.75 ms. Allocated memory is still 133.7 MB. Free memory was 95.7 MB in the beginning and 75.7 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:39,299 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 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 108.8 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 39.25 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 105.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.63 ms. Allocated memory is still 133.7 MB. Free memory was 105.8 MB in the beginning and 104.8 MB in the end (delta: 934.0 kB). Peak memory consumption was 934.0 kB. Max. memory is 7.1 GB. * RCFGBuilder took 302.91 ms. Allocated memory is still 133.7 MB. Free memory was 104.6 MB in the beginning and 95.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 397.75 ms. Allocated memory is still 133.7 MB. Free memory was 95.7 MB in the beginning and 75.7 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 15]: assertion can be violated assertion can be violated We found a FailurePath: [L13] g := 2; VAL [g=2] [L14] FCALL call increment2(); VAL [g=3] [L15] assert g == 0; VAL [g=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 2 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 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, 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, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5 ConjunctsInSsa, 3 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...