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/Pdr/BugLiveVariables01WithExtraAssert-Unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:16:49,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:16:49,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:16:49,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:16:49,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:16:49,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:16:49,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:16:49,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:16:49,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:16:49,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:16:49,539 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:16:49,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:16:49,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:16:49,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:16:49,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:16:49,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:16:49,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:16:49,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:16:49,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:16:49,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:16:49,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:16:49,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:16:49,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:16:49,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:16:49,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:16:49,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:16:49,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:16:49,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:16:49,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:16:49,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:16:49,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:16:49,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:16:49,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:16:49,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:16:49,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:16:49,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:16:49,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:16:49,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:16:49,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:16:49,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:16:49,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:16:49,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:16:49,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:16:49,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:16:49,610 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:16:49,611 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:16:49,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/Pdr/BugLiveVariables01WithExtraAssert-Unsafe.bpl [2019-08-05 11:16:49,612 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/Pdr/BugLiveVariables01WithExtraAssert-Unsafe.bpl' [2019-08-05 11:16:49,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:16:49,644 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:16:49,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:16:49,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:16:49,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:16:49,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:49" (1/1) ... [2019-08-05 11:16:49,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:49" (1/1) ... [2019-08-05 11:16:49,677 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:16:49,677 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:16:49,678 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:16:49,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:16:49,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:16:49,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:16:49,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:16:49,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:49" (1/1) ... [2019-08-05 11:16:49,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:49" (1/1) ... [2019-08-05 11:16:49,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:49" (1/1) ... [2019-08-05 11:16:49,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:49" (1/1) ... [2019-08-05 11:16:49,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:49" (1/1) ... [2019-08-05 11:16:49,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:49" (1/1) ... [2019-08-05 11:16:49,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:49" (1/1) ... [2019-08-05 11:16:49,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:16:49,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:16:49,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:16:49,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:16:49,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:49" (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 11:16:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-05 11:16:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-05 11:16:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:16:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:16:50,050 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:16:50,050 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 11:16:50,052 INFO L202 PluginConnector]: Adding new model BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:16:50 BoogieIcfgContainer [2019-08-05 11:16:50,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:16:50,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:16:50,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:16:50,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:16:50,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:49" (1/2) ... [2019-08-05 11:16:50,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a04e56 and model type BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:16:50, skipping insertion in model container [2019-08-05 11:16:50,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:16:50" (2/2) ... [2019-08-05 11:16:50,060 INFO L109 eAbstractionObserver]: Analyzing ICFG BugLiveVariables01WithExtraAssert-Unsafe.bpl [2019-08-05 11:16:50,070 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:16:50,079 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-08-05 11:16:50,096 INFO L252 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-08-05 11:16:50,123 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:16:50,124 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:16:50,124 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:16:50,124 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:16:50,125 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:16:50,125 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:16:50,125 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:16:50,125 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:16:50,125 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:16:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-08-05 11:16:50,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:16:50,148 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:16:50,149 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:16:50,151 INFO L418 AbstractCegarLoop]: === Iteration 1 === [procErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:16:50,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:16:50,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1090, now seen corresponding path program 1 times [2019-08-05 11:16:50,203 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:16:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:16:50,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 1 conjunts are in the unsatisfiable core [2019-08-05 11:16:50,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:16:50,234 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 11:16:50,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:16:50,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:16:50,242 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-08-05 11:16:50,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-08-05 11:16:50,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 11:16:50,258 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 2 states. [2019-08-05 11:16:50,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:16:50,272 INFO L93 Difference]: Finished difference Result 5 states and 3 transitions. [2019-08-05 11:16:50,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-08-05 11:16:50,274 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 2 [2019-08-05 11:16:50,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:16:50,285 INFO L225 Difference]: With dead ends: 5 [2019-08-05 11:16:50,286 INFO L226 Difference]: Without dead ends: 3 [2019-08-05 11:16:50,288 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 11:16:50,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states. [2019-08-05 11:16:50,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2019-08-05 11:16:50,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-08-05 11:16:50,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2 transitions. [2019-08-05 11:16:50,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states and 2 transitions. Word has length 2 [2019-08-05 11:16:50,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:16:50,318 INFO L475 AbstractCegarLoop]: Abstraction has 3 states and 2 transitions. [2019-08-05 11:16:50,319 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-08-05 11:16:50,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 2 transitions. [2019-08-05 11:16:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:16:50,319 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:16:50,319 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:16:50,320 INFO L418 AbstractCegarLoop]: === Iteration 2 === [procErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:16:50,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:16:50,321 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 11:16:50,322 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:16:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:16:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:16:50,350 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:16:50,368 INFO L202 PluginConnector]: Adding new model BugLiveVariables01WithExtraAssert-Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:16:50 BoogieIcfgContainer [2019-08-05 11:16:50,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:16:50,371 INFO L168 Benchmark]: Toolchain (without parser) took 725.64 ms. Allocated memory is still 142.1 MB. Free memory was 110.5 MB in the beginning and 79.5 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:50,373 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:16:50,374 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.58 ms. Allocated memory is still 142.1 MB. Free memory was 110.5 MB in the beginning and 108.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:50,375 INFO L168 Benchmark]: Boogie Preprocessor took 17.02 ms. Allocated memory is still 142.1 MB. Free memory was 108.3 MB in the beginning and 107.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:50,376 INFO L168 Benchmark]: RCFGBuilder took 344.37 ms. Allocated memory is still 142.1 MB. Free memory was 107.1 MB in the beginning and 98.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:50,377 INFO L168 Benchmark]: TraceAbstraction took 315.13 ms. Allocated memory is still 142.1 MB. Free memory was 97.9 MB in the beginning and 79.5 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:50,382 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 142.1 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.58 ms. Allocated memory is still 142.1 MB. Free memory was 110.5 MB in the beginning and 108.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.02 ms. Allocated memory is still 142.1 MB. Free memory was 108.3 MB in the beginning and 107.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 344.37 ms. Allocated memory is still 142.1 MB. Free memory was 107.1 MB in the beginning and 98.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 315.13 ms. Allocated memory is still 142.1 MB. Free memory was 97.9 MB in the beginning and 79.5 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 24]: assertion can be violated assertion can be violated We found a FailurePath: [L23] assume x != y; VAL [x=3, y=2] [L24] assert x == 1; VAL [x=3, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 3 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 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=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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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...