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/concurrent/concurrentBoogie/join_multiple_return_values.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:52:12,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:52:12,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:52:12,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:52:12,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:52:12,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:52:12,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:52:12,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:52:12,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:52:12,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:52:12,024 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:52:12,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:52:12,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:52:12,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:52:12,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:52:12,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:52:12,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:52:12,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:52:12,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:52:12,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:52:12,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:52:12,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:52:12,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:52:12,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:52:12,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:52:12,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:52:12,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:52:12,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:52:12,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:52:12,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:52:12,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:52:12,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:52:12,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:52:12,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:52:12,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:52:12,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:52:12,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:52:12,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:52:12,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:52:12,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:52:12,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:52:12,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:52:12,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:52:12,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:52:12,096 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:52:12,097 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:52:12,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/concurrentBoogie/join_multiple_return_values.bpl [2019-08-05 09:52:12,098 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/concurrentBoogie/join_multiple_return_values.bpl' [2019-08-05 09:52:12,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:52:12,131 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:52:12,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:12,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:52:12,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:52:12,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:12" (1/1) ... [2019-08-05 09:52:12,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:12" (1/1) ... [2019-08-05 09:52:12,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:12,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:52:12,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:52:12,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:52:12,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:12" (1/1) ... [2019-08-05 09:52:12,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:12" (1/1) ... [2019-08-05 09:52:12,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:12" (1/1) ... [2019-08-05 09:52:12,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:12" (1/1) ... [2019-08-05 09:52:12,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:12" (1/1) ... [2019-08-05 09:52:12,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:12" (1/1) ... [2019-08-05 09:52:12,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:12" (1/1) ... [2019-08-05 09:52:12,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:52:12,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:52:12,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:52:12,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:52:12,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:12" (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 09:52:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 09:52:12,270 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 09:52:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 09:52:12,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 09:52:12,272 WARN L201 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-08-05 09:52:12,607 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 09:52:12,607 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 09:52:12,608 INFO L202 PluginConnector]: Adding new model join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:12 BoogieIcfgContainer [2019-08-05 09:52:12,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:52:12,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:52:12,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:52:12,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:52:12,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:12" (1/2) ... [2019-08-05 09:52:12,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185de165 and model type join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:52:12, skipping insertion in model container [2019-08-05 09:52:12,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:12" (2/2) ... [2019-08-05 09:52:12,618 INFO L109 eAbstractionObserver]: Analyzing ICFG join_multiple_return_values.bpl [2019-08-05 09:52:12,647 WARN L317 ript$VariableManager]: TermVariabe Thread0_foo_num not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:12,648 WARN L317 ript$VariableManager]: TermVariabe Thread0_foo_num not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:12,648 WARN L317 ript$VariableManager]: TermVariabe Thread0_foo_num not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:12,648 WARN L317 ript$VariableManager]: TermVariabe Thread0_foo_ret not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:12,649 WARN L317 ript$VariableManager]: TermVariabe Thread0_foo_ret not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:12,649 WARN L317 ript$VariableManager]: TermVariabe Thread0_foo_ret_bool not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:12,649 WARN L317 ript$VariableManager]: TermVariabe Thread0_foo_ret_bool not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:12,666 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:52:12,673 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 09:52:12,687 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 09:52:12,712 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:52:12,712 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:52:12,712 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:52:12,712 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:52:12,713 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:52:12,713 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:52:12,713 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:52:12,713 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:52:12,713 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:52:12,720 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15places, 14 transitions [2019-08-05 09:52:12,730 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 20 states. [2019-08-05 09:52:12,733 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-08-05 09:52:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-08-05 09:52:12,741 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:52:12,742 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 09:52:12,745 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:52:12,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:52:12,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1120268408, now seen corresponding path program 1 times [2019-08-05 09:52:12,793 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:52:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:52:12,835 WARN L254 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2019-08-05 09:52:12,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:52:13,139 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 09:52:13,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:52:13,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-08-05 09:52:13,146 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-08-05 09:52:13,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-08-05 09:52:13,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-08-05 09:52:13,160 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 7 states. [2019-08-05 09:52:13,614 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-08-05 09:52:13,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 09:52:13,632 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-08-05 09:52:13,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-08-05 09:52:13,635 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 9 [2019-08-05 09:52:13,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 09:52:13,643 INFO L225 Difference]: With dead ends: 15 [2019-08-05 09:52:13,643 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 09:52:13,645 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2019-08-05 09:52:13,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 09:52:13,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 09:52:13,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 09:52:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 09:52:13,670 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-08-05 09:52:13,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 09:52:13,671 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 09:52:13,671 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-08-05 09:52:13,671 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 09:52:13,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 09:52:13,673 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-08-05 09:52:13,675 INFO L202 PluginConnector]: Adding new model join_multiple_return_values.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:52:13 BasicIcfg [2019-08-05 09:52:13,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:52:13,678 INFO L168 Benchmark]: Toolchain (without parser) took 1546.55 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 61.4 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:13,678 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 110.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 09:52:13,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 108.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:13,689 INFO L168 Benchmark]: Boogie Preprocessor took 23.75 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 107.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:13,692 INFO L168 Benchmark]: RCFGBuilder took 415.33 ms. Allocated memory is still 133.7 MB. Free memory was 107.0 MB in the beginning and 97.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:13,693 INFO L168 Benchmark]: TraceAbstraction took 1065.41 ms. Allocated memory is still 133.7 MB. Free memory was 96.9 MB in the beginning and 61.4 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:13,698 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 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 110.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 108.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.75 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 107.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 415.33 ms. Allocated memory is still 133.7 MB. Free memory was 107.0 MB in the beginning and 97.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1065.41 ms. Allocated memory is still 133.7 MB. Free memory was 96.9 MB in the beginning and 61.4 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 23]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 28 SDslu, 8 SDs, 0 SdLazy, 20 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 4 NumberOfNonLiveVariables, 21 ConjunctsInSsa, 11 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 correct! Received shutdown request...