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/schaetzc/backtranslation/ReturnWithoutCall.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:53:37,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:53:37,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:53:37,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:53:37,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:53:37,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:53:37,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:53:37,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:53:37,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:53:37,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:53:37,270 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:53:37,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:53:37,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:53:37,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:53:37,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:53:37,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:53:37,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:53:37,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:53:37,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:53:37,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:53:37,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:53:37,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:53:37,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:53:37,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:53:37,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:53:37,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:53:37,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:53:37,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:53:37,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:53:37,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:53:37,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:53:37,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:53:37,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:53:37,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:53:37,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:53:37,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:53:37,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:53:37,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:53:37,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:53:37,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:53:37,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:53:37,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:53:37,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:53:37,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:53:37,369 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:53:37,370 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:53:37,370 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/backtranslation/ReturnWithoutCall.bpl [2019-08-05 09:53:37,371 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/backtranslation/ReturnWithoutCall.bpl' [2019-08-05 09:53:37,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:53:37,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:53:37,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:37,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:53:37,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:53:37,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:37" (1/1) ... [2019-08-05 09:53:37,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:37" (1/1) ... [2019-08-05 09:53:37,431 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 09:53:37,431 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 09:53:37,431 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 09:53:37,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:37,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:53:37,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:53:37,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:53:37,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:37" (1/1) ... [2019-08-05 09:53:37,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:37" (1/1) ... [2019-08-05 09:53:37,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:37" (1/1) ... [2019-08-05 09:53:37,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:37" (1/1) ... [2019-08-05 09:53:37,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:37" (1/1) ... [2019-08-05 09:53:37,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:37" (1/1) ... [2019-08-05 09:53:37,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:37" (1/1) ... [2019-08-05 09:53:37,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:53:37,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:53:37,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:53:37,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:53:37,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:37" (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 09:53:37,534 INFO L124 BoogieDeclarations]: Specification and implementation of procedure a given in one single declaration [2019-08-05 09:53:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure a [2019-08-05 09:53:37,534 INFO L138 BoogieDeclarations]: Found implementation of procedure a [2019-08-05 09:53:37,535 INFO L124 BoogieDeclarations]: Specification and implementation of procedure b given in one single declaration [2019-08-05 09:53:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure b [2019-08-05 09:53:37,535 INFO L138 BoogieDeclarations]: Found implementation of procedure b [2019-08-05 09:53:37,535 INFO L124 BoogieDeclarations]: Specification and implementation of procedure c given in one single declaration [2019-08-05 09:53:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure c [2019-08-05 09:53:37,536 INFO L138 BoogieDeclarations]: Found implementation of procedure c [2019-08-05 09:53:37,824 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 09:53:37,894 INFO L275 CfgBuilder]: Using library mode [2019-08-05 09:53:37,895 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-05 09:53:37,896 INFO L202 PluginConnector]: Adding new model ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:37 BoogieIcfgContainer [2019-08-05 09:53:37,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:53:37,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:53:37,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:53:37,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:53:37,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:37" (1/2) ... [2019-08-05 09:53:37,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ffe5ac and model type ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:53:37, skipping insertion in model container [2019-08-05 09:53:37,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:37" (2/2) ... [2019-08-05 09:53:37,905 INFO L109 eAbstractionObserver]: Analyzing ICFG ReturnWithoutCall.bpl [2019-08-05 09:53:37,915 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:53:37,921 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-08-05 09:53:37,936 INFO L252 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-08-05 09:53:37,958 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:53:37,959 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:53:37,959 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:53:37,959 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:53:37,959 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:53:37,959 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:53:37,960 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:53:37,960 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:53:37,960 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:53:37,973 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-08-05 09:53:37,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-08-05 09:53:37,981 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:53:37,982 INFO L399 BasicCegarLoop]: trace histogram [1] [2019-08-05 09:53:37,985 INFO L418 AbstractCegarLoop]: === Iteration 1 === [aErr0ASSERT_VIOLATIONPRE_CONDITIONandASSERT, aErr2ASSERT_VIOLATIONPOST_CONDITIONandASSERT, aErr3ASSERT_VIOLATIONASSERT, aErr1ASSERT_VIOLATIONPOST_CONDITIONandASSERT, bErr0ASSERT_VIOLATIONPRE_CONDITIONandASSERT, bErr1ASSERT_VIOLATIONPOST_CONDITIONandASSERT, bErr2ENSURES_VIOLATIONPOST_CONDITION, cErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2019-08-05 09:53:37,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:53:37,992 INFO L82 PathProgramCache]: Analyzing trace with hash 31, now seen corresponding path program 1 times [2019-08-05 09:53:38,036 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:53:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:53:38,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2019-08-05 09:53:38,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:53:38,058 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 09:53:38,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:53:38,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-08-05 09:53:38,066 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-08-05 09:53:38,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-08-05 09:53:38,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 09:53:38,079 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2019-08-05 09:53:38,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 09:53:38,092 INFO L93 Difference]: Finished difference Result 12 states and 9 transitions. [2019-08-05 09:53:38,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-08-05 09:53:38,094 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-08-05 09:53:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 09:53:38,104 INFO L225 Difference]: With dead ends: 12 [2019-08-05 09:53:38,104 INFO L226 Difference]: Without dead ends: 5 [2019-08-05 09:53:38,106 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 09:53:38,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-08-05 09:53:38,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-08-05 09:53:38,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-08-05 09:53:38,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2019-08-05 09:53:38,135 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 1 [2019-08-05 09:53:38,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 09:53:38,136 INFO L475 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2019-08-05 09:53:38,136 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-08-05 09:53:38,136 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2019-08-05 09:53:38,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 09:53:38,137 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:53:38,137 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 09:53:38,138 INFO L418 AbstractCegarLoop]: === Iteration 2 === [aErr0ASSERT_VIOLATIONPRE_CONDITIONandASSERT, aErr2ASSERT_VIOLATIONPOST_CONDITIONandASSERT, aErr3ASSERT_VIOLATIONASSERT, aErr1ASSERT_VIOLATIONPOST_CONDITIONandASSERT, bErr0ASSERT_VIOLATIONPRE_CONDITIONandASSERT, bErr1ASSERT_VIOLATIONPOST_CONDITIONandASSERT, bErr2ENSURES_VIOLATIONPOST_CONDITION, cErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2019-08-05 09:53:38,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:53:38,139 INFO L82 PathProgramCache]: Analyzing trace with hash 957381, now seen corresponding path program 1 times [2019-08-05 09:53:38,140 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:53:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 09:53:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 09:53:38,149 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 09:53:38,167 INFO L202 PluginConnector]: Adding new model ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:53:38 BoogieIcfgContainer [2019-08-05 09:53:38,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:53:38,170 INFO L168 Benchmark]: Toolchain (without parser) took 769.75 ms. Allocated memory is still 132.1 MB. Free memory was 109.8 MB in the beginning and 79.3 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:38,171 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 132.1 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 09:53:38,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.94 ms. Allocated memory is still 132.1 MB. Free memory was 109.6 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:38,174 INFO L168 Benchmark]: Boogie Preprocessor took 16.50 ms. Allocated memory is still 132.1 MB. Free memory was 107.4 MB in the beginning and 106.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:38,175 INFO L168 Benchmark]: RCFGBuilder took 434.54 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 97.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:38,176 INFO L168 Benchmark]: TraceAbstraction took 269.24 ms. Allocated memory is still 132.1 MB. Free memory was 96.8 MB in the beginning and 79.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:38,181 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 0.16 ms. Allocated memory is still 132.1 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.94 ms. Allocated memory is still 132.1 MB. Free memory was 109.6 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 16.50 ms. Allocated memory is still 132.1 MB. Free memory was 107.4 MB in the beginning and 106.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 434.54 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 97.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 269.24 ms. Allocated memory is still 132.1 MB. Free memory was 96.8 MB in the beginning and 79.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: assertion can be violated assertion can be violated We found a FailurePath: [L14-L15] requires (forall cStart : bool :: true); [L14-L16] ensures (forall cEnd : bool :: true); [L7-L8] ensures (forall bEnd : bool :: true); [L4] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 8 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...