java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/real-life/tcas-correct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:06:08,033 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:06:08,035 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:06:08,048 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:06:08,048 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:06:08,049 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:06:08,051 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:06:08,053 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:06:08,054 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:06:08,055 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:06:08,057 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:06:08,057 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:06:08,058 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:06:08,059 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:06:08,060 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:06:08,061 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:06:08,062 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:06:08,064 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:06:08,066 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:06:08,067 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:06:08,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:06:08,070 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:06:08,072 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:06:08,073 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:06:08,073 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:06:08,074 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:06:08,075 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:06:08,076 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:06:08,077 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:06:08,078 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:06:08,078 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:06:08,079 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-26 08:06:08,082 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-09-26 08:06:08,095 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:06:08,095 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:06:08,098 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 08:06:08,098 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 08:06:08,099 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:06:08,099 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-09-26 08:06:08,099 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 08:06:08,099 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:06:08,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:06:08,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:06:08,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:06:08,187 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:06:08,187 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:06:08,188 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/tcas-correct.bpl [2018-09-26 08:06:08,188 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/tcas-correct.bpl' [2018-09-26 08:06:08,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:06:08,251 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:06:08,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:06:08,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:06:08,253 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:06:08,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:08" (1/1) ... [2018-09-26 08:06:08,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:08" (1/1) ... [2018-09-26 08:06:08,295 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 08:06:08,295 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 08:06:08,295 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 08:06:08,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:06:08,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:06:08,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:06:08,299 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:06:08,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:08" (1/1) ... [2018-09-26 08:06:08,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:08" (1/1) ... [2018-09-26 08:06:08,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:08" (1/1) ... [2018-09-26 08:06:08,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:08" (1/1) ... [2018-09-26 08:06:08,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:08" (1/1) ... [2018-09-26 08:06:08,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:08" (1/1) ... [2018-09-26 08:06:08,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:08" (1/1) ... [2018-09-26 08:06:08,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:06:08,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:06:08,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:06:08,324 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:06:08,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:08" (1/1) ... [2018-09-26 08:06:08,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure alt_sep_test given in one single declaration [2018-09-26 08:06:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure alt_sep_test [2018-09-26 08:06:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_sep_test [2018-09-26 08:06:08,827 INFO L343 CfgBuilder]: Using library mode [2018-09-26 08:06:08,828 INFO L202 PluginConnector]: Adding new model tcas-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:06:08 BoogieIcfgContainer [2018-09-26 08:06:08,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:06:08,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:06:08,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:06:08,834 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:06:08,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:08" (1/2) ... [2018-09-26 08:06:08,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25db072 and model type tcas-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:06:08, skipping insertion in model container [2018-09-26 08:06:08,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:06:08" (2/2) ... [2018-09-26 08:06:08,838 INFO L112 eAbstractionObserver]: Analyzing ICFG tcas-correct.bpl [2018-09-26 08:06:08,848 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:06:08,857 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:06:08,899 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:06:08,900 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:06:08,900 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:06:08,900 INFO L383 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-09-26 08:06:08,900 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:06:08,901 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:06:08,901 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:06:08,901 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:06:08,901 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:06:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:06:08,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 08:06:08,925 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:06:08,926 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 08:06:08,927 INFO L423 AbstractCegarLoop]: === Iteration 1 === [alt_sep_testErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:06:08,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:06:08,936 INFO L82 PathProgramCache]: Analyzing trace with hash 31552, now seen corresponding path program 1 times [2018-09-26 08:06:08,943 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:06:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:06:09,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:06:09,077 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:06:09,078 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:06:09,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:06:09,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:06:09,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:06:09,105 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 08:06:09,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:06:09,148 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2018-09-26 08:06:09,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:06:09,150 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-09-26 08:06:09,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:06:09,166 INFO L225 Difference]: With dead ends: 8 [2018-09-26 08:06:09,166 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:06:09,174 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-26 08:06:09,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:06:09,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:06:09,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:06:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:06:09,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2018-09-26 08:06:09,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:06:09,209 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:06:09,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:06:09,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:06:09,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:06:09,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:06:09,282 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-09-26 08:06:09,286 INFO L422 ceAbstractionStarter]: At program point alt_sep_testEXIT(lines 3 115) the Hoare annotation is: (let ((.cse0 (Positive_RA_Alt_Thresh alt_sep_test_Alt_Layer_Value))) (and (< alt_sep_test_Up_Separation .cse0) (<= .cse0 alt_sep_test_Down_Separation))) [2018-09-26 08:06:09,286 INFO L426 ceAbstractionStarter]: For program point L95(lines 95 99) no Hoare annotation was computed. [2018-09-26 08:06:09,287 INFO L426 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-09-26 08:06:09,287 INFO L426 ceAbstractionStarter]: For program point L95-2(lines 95 99) no Hoare annotation was computed. [2018-09-26 08:06:09,287 INFO L426 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2018-09-26 08:06:09,287 INFO L426 ceAbstractionStarter]: For program point L106(lines 106 112) no Hoare annotation was computed. [2018-09-26 08:06:09,287 INFO L426 ceAbstractionStarter]: For program point L108-2(lines 104 112) no Hoare annotation was computed. [2018-09-26 08:06:09,288 INFO L426 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2018-09-26 08:06:09,288 INFO L422 ceAbstractionStarter]: At program point L61(lines 61 114) the Hoare annotation is: (let ((.cse0 (Positive_RA_Alt_Thresh alt_sep_test_Alt_Layer_Value))) (and (< alt_sep_test_Up_Separation .cse0) (<= .cse0 alt_sep_test_Down_Separation))) [2018-09-26 08:06:09,288 INFO L422 ceAbstractionStarter]: At program point L61-2(lines 3 115) the Hoare annotation is: (let ((.cse0 (Positive_RA_Alt_Thresh alt_sep_test_Alt_Layer_Value))) (and (< alt_sep_test_Up_Separation .cse0) (<= .cse0 alt_sep_test_Down_Separation))) [2018-09-26 08:06:09,289 INFO L429 ceAbstractionStarter]: At program point alt_sep_testENTRY(lines 3 115) the Hoare annotation is: true [2018-09-26 08:06:09,289 INFO L426 ceAbstractionStarter]: For program point L82(lines 82 86) no Hoare annotation was computed. [2018-09-26 08:06:09,289 INFO L422 ceAbstractionStarter]: At program point alt_sep_testErr0ASSERT_VIOLATIONASSERT(line 103) the Hoare annotation is: false [2018-09-26 08:06:09,289 INFO L426 ceAbstractionStarter]: For program point L82-2(lines 82 86) no Hoare annotation was computed. [2018-09-26 08:06:09,290 INFO L422 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (let ((.cse0 (Positive_RA_Alt_Thresh alt_sep_test_Alt_Layer_Value))) (and (< alt_sep_test_Up_Separation .cse0) (<= .cse0 alt_sep_test_Down_Separation) (not alt_sep_test_need_upward_RA))) [2018-09-26 08:06:09,304 INFO L202 PluginConnector]: Adding new model tcas-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:06:09 BoogieIcfgContainer [2018-09-26 08:06:09,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:06:09,306 INFO L168 Benchmark]: Toolchain (without parser) took 1058.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-26 08:06:09,309 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:06:09,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.98 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:06:09,311 INFO L168 Benchmark]: Boogie Preprocessor took 24.59 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:06:09,313 INFO L168 Benchmark]: RCFGBuilder took 504.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:06:09,314 INFO L168 Benchmark]: TraceAbstraction took 475.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:06:09,320 INFO L336 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 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.98 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.59 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 504.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 475.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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 - ProcedureContractResult [Line: 3]: Procedure Contract for alt_sep_test Derived contract for procedure alt_sep_test: Up_Separation < Positive_RA_Alt_Thresh(Alt_Layer_Value) && Positive_RA_Alt_Thresh(Alt_Layer_Value) <= Down_Separation - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 6 SDslu, 3 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 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: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 8 NumberOfFragments, 40 HoareAnnotationTreeSize, 6 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/tcas-correct.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-06-09-346.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/tcas-correct.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-06-09-346.csv Received shutdown request...