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/gascake/GasCake01InvariantCheck.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:16:39,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:16:39,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:16:39,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:16:39,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:16:39,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:16:39,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:16:39,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:16:39,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:16:39,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:16:39,733 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:16:39,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:16:39,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:16:39,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:16:39,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:16:39,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:16:39,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:16:39,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:16:39,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:16:39,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:16:39,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:16:39,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:16:39,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:16:39,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:16:39,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:16:39,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:16:39,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:16:39,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:16:39,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:16:39,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:16:39,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:16:39,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:16:39,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:16:39,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:16:39,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:16:39,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:16:39,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:16:39,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:16:39,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:16:39,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:16:39,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:16:39,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:16:39,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:16:39,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:16:39,811 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:16:39,812 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:16:39,814 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/gascake/GasCake01InvariantCheck.bpl [2019-08-05 11:16:39,814 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/gascake/GasCake01InvariantCheck.bpl' [2019-08-05 11:16:39,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:16:39,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:16:39,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:16:39,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:16:39,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:16:39,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:39" (1/1) ... [2019-08-05 11:16:39,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:39" (1/1) ... [2019-08-05 11:16:39,908 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:16:39,908 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:16:39,908 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:16:39,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:16:39,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:16:39,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:16:39,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:16:39,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:39" (1/1) ... [2019-08-05 11:16:39,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:39" (1/1) ... [2019-08-05 11:16:39,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:39" (1/1) ... [2019-08-05 11:16:39,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:39" (1/1) ... [2019-08-05 11:16:39,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:39" (1/1) ... [2019-08-05 11:16:39,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:39" (1/1) ... [2019-08-05 11:16:39,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:39" (1/1) ... [2019-08-05 11:16:39,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:16:39,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:16:39,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:16:39,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:16:39,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 11:16:40,020 INFO L124 BoogieDeclarations]: Specification and implementation of procedure holdsInitially given in one single declaration [2019-08-05 11:16:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure holdsInitially [2019-08-05 11:16:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure holdsInitially [2019-08-05 11:16:40,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure isInductive given in one single declaration [2019-08-05 11:16:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure isInductive [2019-08-05 11:16:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isInductive [2019-08-05 11:16:40,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure isSafe given in one single declaration [2019-08-05 11:16:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure isSafe [2019-08-05 11:16:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isSafe [2019-08-05 11:16:40,328 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:16:40,328 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:16:40,330 INFO L202 PluginConnector]: Adding new model GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:16:40 BoogieIcfgContainer [2019-08-05 11:16:40,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:16:40,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:16:40,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:16:40,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:16:40,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:39" (1/2) ... [2019-08-05 11:16:40,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7d610b and model type GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:16:40, skipping insertion in model container [2019-08-05 11:16:40,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:16:40" (2/2) ... [2019-08-05 11:16:40,358 INFO L109 eAbstractionObserver]: Analyzing ICFG GasCake01InvariantCheck.bpl [2019-08-05 11:16:40,386 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:16:40,400 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-08-05 11:16:40,437 INFO L252 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-08-05 11:16:40,481 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:16:40,482 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:16:40,482 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:16:40,483 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:16:40,483 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:16:40,483 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:16:40,483 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:16:40,483 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:16:40,484 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:16:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-08-05 11:16:40,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:16:40,508 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:16:40,509 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:16:40,511 INFO L418 AbstractCegarLoop]: === Iteration 1 === [holdsInitiallyErr0ASSERT_VIOLATIONASSERT, isInductiveErr0ASSERT_VIOLATIONASSERT, isSafeErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:16:40,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:16:40,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1090, now seen corresponding path program 1 times [2019-08-05 11:16:40,572 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:16:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:16:40,624 WARN L254 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 12 conjunts are in the unsatisfiable core [2019-08-05 11:16:40,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:16:40,834 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-08-05 11:16:40,911 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 11:16:40,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:16:40,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:16:40,918 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:16:40,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:16:40,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:16:40,933 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2019-08-05 11:16:40,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:16:40,964 INFO L93 Difference]: Finished difference Result 11 states and 8 transitions. [2019-08-05 11:16:40,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:16:40,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:16:40,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:16:40,979 INFO L225 Difference]: With dead ends: 11 [2019-08-05 11:16:40,980 INFO L226 Difference]: Without dead ends: 6 [2019-08-05 11:16:40,981 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 11:16:40,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-08-05 11:16:41,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-08-05 11:16:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-08-05 11:16:41,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4 transitions. [2019-08-05 11:16:41,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 4 transitions. Word has length 2 [2019-08-05 11:16:41,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:16:41,012 INFO L475 AbstractCegarLoop]: Abstraction has 6 states and 4 transitions. [2019-08-05 11:16:41,013 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:16:41,013 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 4 transitions. [2019-08-05 11:16:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:16:41,013 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:16:41,014 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:16:41,014 INFO L418 AbstractCegarLoop]: === Iteration 2 === [holdsInitiallyErr0ASSERT_VIOLATIONASSERT, isInductiveErr0ASSERT_VIOLATIONASSERT, isSafeErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:16:41,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:16:41,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1218, now seen corresponding path program 1 times [2019-08-05 11:16:41,016 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:16:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:16:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:16:41,037 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:16:41,057 INFO L202 PluginConnector]: Adding new model GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:16:41 BoogieIcfgContainer [2019-08-05 11:16:41,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:16:41,060 INFO L168 Benchmark]: Toolchain (without parser) took 1189.35 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 65.6 MB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:41,062 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.30 ms. Allocated memory is still 131.6 MB. Free memory was 110.4 MB in the beginning and 110.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:16:41,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.85 ms. Allocated memory is still 131.6 MB. Free memory was 109.0 MB in the beginning and 107.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:41,064 INFO L168 Benchmark]: Boogie Preprocessor took 29.68 ms. Allocated memory is still 131.6 MB. Free memory was 107.2 MB in the beginning and 106.2 MB in the end (delta: 942.1 kB). Peak memory consumption was 942.1 kB. Max. memory is 7.1 GB. [2019-08-05 11:16:41,065 INFO L168 Benchmark]: RCFGBuilder took 388.86 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 94.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:41,067 INFO L168 Benchmark]: TraceAbstraction took 720.93 ms. Allocated memory is still 131.6 MB. Free memory was 94.6 MB in the beginning and 65.6 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:41,072 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 0.30 ms. Allocated memory is still 131.6 MB. Free memory was 110.4 MB in the beginning and 110.2 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 39.85 ms. Allocated memory is still 131.6 MB. Free memory was 109.0 MB in the beginning and 107.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.68 ms. Allocated memory is still 131.6 MB. Free memory was 107.2 MB in the beginning and 106.2 MB in the end (delta: 942.1 kB). Peak memory consumption was 942.1 kB. Max. memory is 7.1 GB. * RCFGBuilder took 388.86 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 94.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 720.93 ms. Allocated memory is still 131.6 MB. Free memory was 94.6 MB in the beginning and 65.6 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 39]: assertion can be violated assertion can be violated We found a FailurePath: [L38] assume internal * 0.9 + output >= -1.0E-5 && internal * 0.9 + output <= 100.00001 && output >= -1.0E-5 && output <= 100.00001 && internal >= -56.0; VAL [internal=0.0, output=0.0] [L39] assert output <= -1.0E-5 && output <= 100.00001; VAL [internal=0.0, output=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 3 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 1 SDslu, 6 SDs, 0 SdLazy, 1 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=12occurred 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, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 1 NumberOfNonLiveVariables, 14 ConjunctsInSsa, 12 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...