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-pdr-z3.epf -i ../../../trunk/examples/programs/real-life/RailwayCrossing-Incorrenct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:31:12,863 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:31:12,865 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:31:12,877 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:31:12,878 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:31:12,879 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:31:12,880 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:31:12,882 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:31:12,884 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:31:12,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:31:12,886 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:31:12,886 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:31:12,887 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:31:12,888 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:31:12,890 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:31:12,891 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:31:12,892 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:31:12,893 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:31:12,896 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:31:12,897 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:31:12,898 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:31:12,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:31:12,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:31:12,904 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:31:12,904 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:31:12,905 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:31:12,906 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:31:12,909 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:31:12,910 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:31:12,913 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:31:12,913 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:31:12,914 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:31:12,914 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:31:12,914 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:31:12,917 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:31:12,918 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:31:12,918 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 08:31:12,934 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:31:12,934 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:31:12,937 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:31:12,937 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:31:12,938 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:31:12,938 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:31:12,938 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:31:13,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:31:13,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:31:13,023 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:31:13,025 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:31:13,025 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:31:13,026 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing-Incorrenct.bpl [2018-09-26 08:31:13,026 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing-Incorrenct.bpl' [2018-09-26 08:31:13,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:31:13,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:31:13,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:31:13,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:31:13,076 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:31:13,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:13" (1/1) ... [2018-09-26 08:31:13,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:13" (1/1) ... [2018-09-26 08:31:13,113 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 08:31:13,113 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 08:31:13,113 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 08:31:13,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:31:13,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:31:13,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:31:13,116 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:31:13,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:13" (1/1) ... [2018-09-26 08:31:13,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:13" (1/1) ... [2018-09-26 08:31:13,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:13" (1/1) ... [2018-09-26 08:31:13,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:13" (1/1) ... [2018-09-26 08:31:13,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:13" (1/1) ... [2018-09-26 08:31:13,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:13" (1/1) ... [2018-09-26 08:31:13,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:13" (1/1) ... [2018-09-26 08:31:13,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:31:13,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:31:13,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:31:13,138 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:31:13,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:13" (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 [2018-09-26 08:31:13,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-09-26 08:31:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-09-26 08:31:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-09-26 08:31:13,768 INFO L343 CfgBuilder]: Using library mode [2018-09-26 08:31:13,768 INFO L202 PluginConnector]: Adding new model RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:31:13 BoogieIcfgContainer [2018-09-26 08:31:13,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:31:13,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:31:13,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:31:13,773 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:31:13,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:13" (1/2) ... [2018-09-26 08:31:13,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c82935f and model type RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:31:13, skipping insertion in model container [2018-09-26 08:31:13,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:31:13" (2/2) ... [2018-09-26 08:31:13,777 INFO L112 eAbstractionObserver]: Analyzing ICFG RailwayCrossing-Incorrenct.bpl [2018-09-26 08:31:13,786 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:31:13,794 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:31:13,835 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:31:13,835 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:31:13,836 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:31:13,836 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:31:13,836 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:31:13,836 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:31:13,836 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:31:13,836 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:31:13,837 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:31:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 08:31:13,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 08:31:13,860 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:13,862 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 08:31:13,863 INFO L423 AbstractCegarLoop]: === Iteration 1 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:13,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:13,869 INFO L82 PathProgramCache]: Analyzing trace with hash 30496, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:31:13,885 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:14,081 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:14,082 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:31:14,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:31:14,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:31:14,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 08:31:14,094 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 4 states. [2018-09-26 08:31:14,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:14,163 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-09-26 08:31:14,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:31:14,165 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-09-26 08:31:14,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:14,175 INFO L225 Difference]: With dead ends: 8 [2018-09-26 08:31:14,175 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 08:31:14,178 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 08:31:14,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 08:31:14,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 08:31:14,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 08:31:14,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 08:31:14,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 08:31:14,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:14,208 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 08:31:14,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:31:14,209 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 08:31:14,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:31:14,209 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:14,209 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:31:14,210 INFO L423 AbstractCegarLoop]: === Iteration 2 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:14,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:14,210 INFO L82 PathProgramCache]: Analyzing trace with hash 955939, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:31:14,220 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:14,988 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-09-26 08:31:15,506 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-09-26 08:31:15,517 WARN L186 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2018-09-26 08:31:15,517 ERROR L189 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-09-26 08:31:15,518 WARN L186 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2018-09-26 08:31:15,518 ERROR L189 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-09-26 08:31:15,527 INFO L202 PluginConnector]: Adding new model RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:31:15 BoogieIcfgContainer [2018-09-26 08:31:15,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:31:15,529 INFO L168 Benchmark]: Toolchain (without parser) took 2457.24 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: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. [2018-09-26 08:31:15,531 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 08:31:15,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.02 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 08:31:15,534 INFO L168 Benchmark]: Boogie Preprocessor took 21.13 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 08:31:15,535 INFO L168 Benchmark]: RCFGBuilder took 631.24 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 08:31:15,536 INFO L168 Benchmark]: TraceAbstraction took 1757.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2018-09-26 08:31:15,543 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 0.19 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 40.02 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 21.13 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 631.24 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. * TraceAbstraction took 1757.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 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: [L16] gate := 0; [L17] time := 0; [L19] one := 1; [L20] hundred := 100 * one; [L21] thousand := 1000 * one; [L22] alarmTrain := false; [L25] COND TRUE time < thousand [L27] COND TRUE gateMotorFailure [L28] alarmTrain := true; [L34] havoc increment; [L35] assume increment < 1000; [L36] time := time + increment; [L25] COND FALSE !(time < thousand) [L39] assert alarmTrain || gate == hundred; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. UNSAFE Result, 1.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 7 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred 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: 1.4s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/RailwayCrossing-Incorrenct.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-31-15-562.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/RailwayCrossing-Incorrenct.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-31-15-562.csv Received shutdown request...