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/BoogiePL/sifa/call.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:53:28,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:53:28,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:53:28,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:53:28,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:53:28,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:53:28,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:53:28,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:53:28,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:53:28,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:53:28,125 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:53:28,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:53:28,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:53:28,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:53:28,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:53:28,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:53:28,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:53:28,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:53:28,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:53:28,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:53:28,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:53:28,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:53:28,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:53:28,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:53:28,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:53:28,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:53:28,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:53:28,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:53:28,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:53:28,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:53:28,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:53:28,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:53:28,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:53:28,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:53:28,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:53:28,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:53:28,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:53:28,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:53:28,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:53:28,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:53:28,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:53:28,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:53:28,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:53:28,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:53:28,211 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:53:28,211 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:53:28,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/call.bpl [2019-08-05 09:53:28,212 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/call.bpl' [2019-08-05 09:53:28,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:53:28,243 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:53:28,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:28,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:53:28,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:53:28,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,274 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 09:53:28,275 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 09:53:28,275 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 09:53:28,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:28,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:53:28,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:53:28,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:53:28,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:53:28,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:53:28,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:53:28,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:53:28,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (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 09:53:28,377 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sub given in one single declaration [2019-08-05 09:53:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure sub [2019-08-05 09:53:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sub [2019-08-05 09:53:28,378 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 09:53:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 09:53:28,380 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 09:53:28,626 INFO L275 CfgBuilder]: Using library mode [2019-08-05 09:53:28,626 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 09:53:28,628 INFO L202 PluginConnector]: Adding new model call.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:28 BoogieIcfgContainer [2019-08-05 09:53:28,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:53:28,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:53:28,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:53:28,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:53:28,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/2) ... [2019-08-05 09:53:28,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d54d4d and model type call.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:53:28, skipping insertion in model container [2019-08-05 09:53:28,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "call.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:28" (2/2) ... [2019-08-05 09:53:28,640 INFO L109 eAbstractionObserver]: Analyzing ICFG call.bpl [2019-08-05 09:53:28,650 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:53:28,662 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-08-05 09:53:28,679 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-08-05 09:53:28,705 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:53:28,706 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:53:28,706 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:53:28,706 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:53:28,706 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:53:28,707 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:53:28,707 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:53:28,707 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:53:28,707 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:53:28,720 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 09:53:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-08-05 09:53:28,728 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:53:28,728 INFO L399 BasicCegarLoop]: trace histogram [1] [2019-08-05 09:53:28,731 INFO L418 AbstractCegarLoop]: === Iteration 1 === [subErr0ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:53:28,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:53:28,736 INFO L82 PathProgramCache]: Analyzing trace with hash 34, now seen corresponding path program 1 times [2019-08-05 09:53:28,776 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:53:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 09:53:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 09:53:28,803 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 09:53:28,815 INFO L202 PluginConnector]: Adding new model call.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:53:28 BoogieIcfgContainer [2019-08-05 09:53:28,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:53:28,819 INFO L168 Benchmark]: Toolchain (without parser) took 575.28 ms. Allocated memory is still 135.3 MB. Free memory was 109.2 MB in the beginning and 86.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:28,820 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 135.3 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 09:53:28,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.77 ms. Allocated memory is still 135.3 MB. Free memory was 109.2 MB in the beginning and 107.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:28,823 INFO L168 Benchmark]: Boogie Preprocessor took 16.79 ms. Allocated memory is still 135.3 MB. Free memory was 107.0 MB in the beginning and 106.1 MB in the end (delta: 839.1 kB). Peak memory consumption was 839.1 kB. Max. memory is 7.1 GB. [2019-08-05 09:53:28,824 INFO L168 Benchmark]: RCFGBuilder took 322.10 ms. Allocated memory is still 135.3 MB. Free memory was 105.7 MB in the beginning and 97.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:28,826 INFO L168 Benchmark]: TraceAbstraction took 186.35 ms. Allocated memory is still 135.3 MB. Free memory was 97.6 MB in the beginning and 86.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:28,831 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 0.25 ms. Allocated memory is still 135.3 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.77 ms. Allocated memory is still 135.3 MB. Free memory was 109.2 MB in the beginning and 107.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 16.79 ms. Allocated memory is still 135.3 MB. Free memory was 107.0 MB in the beginning and 106.1 MB in the end (delta: 839.1 kB). Peak memory consumption was 839.1 kB. Max. memory is 7.1 GB. * RCFGBuilder took 322.10 ms. Allocated memory is still 135.3 MB. Free memory was 105.7 MB in the beginning and 97.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 186.35 ms. Allocated memory is still 135.3 MB. Free memory was 97.6 MB in the beginning and 86.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 8]: assertion can be violated assertion can be violated We found a FailurePath: [L8] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 6 locations, 2 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...