java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc /storage/repos/ultimate/trunk/examples/toolchains/ReqCheck.xml -s /storage/repos/ultimate/trunk/examples/settings/reqanalyzer/reqanalyzer-nonlin.epf --traceabstraction.limit.analysis.time 300 --pea2boogie.always.use.all.invariants.during.rt-inconsistency.checks true --pea2boogie.check.vacuity true --pea2boogie.check.consistency true --pea2boogie.check.rt-inconsistency true --pea2boogie.report.trivial.rt-consistency false --pea2boogie.rt-inconsistency.range 2 -i /storage/repos/re2019-exp/Evehicle.new.req -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a613b84 [2019-04-04 17:46:37,906 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-04-04 17:46:37,909 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-04-04 17:46:37,933 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-04-04 17:46:37,934 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-04-04 17:46:37,936 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-04-04 17:46:37,937 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-04-04 17:46:37,940 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-04-04 17:46:37,943 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-04-04 17:46:37,944 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-04-04 17:46:37,953 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-04-04 17:46:37,953 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-04-04 17:46:37,954 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-04-04 17:46:37,955 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-04-04 17:46:37,956 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-04-04 17:46:37,960 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-04-04 17:46:37,961 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-04-04 17:46:37,963 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-04-04 17:46:37,967 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-04-04 17:46:37,973 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-04-04 17:46:37,974 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-04-04 17:46:37,980 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-04-04 17:46:37,982 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-04-04 17:46:37,992 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-04-04 17:46:37,993 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-04-04 17:46:37,994 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-04-04 17:46:37,994 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-04-04 17:46:37,997 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-04-04 17:46:37,999 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-04-04 17:46:38,000 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-04-04 17:46:38,000 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-04-04 17:46:38,000 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-04-04 17:46:38,002 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-04-04 17:46:38,003 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-04-04 17:46:38,005 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/trunk/examples/settings/reqanalyzer/reqanalyzer-nonlin.epf [2019-04-04 17:46:38,020 INFO L110 SettingsManager]: Loading preferences was successful [2019-04-04 17:46:38,021 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-04-04 17:46:38,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-04-04 17:46:38,023 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2019-04-04 17:46:38,023 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-04 17:46:38,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2019-04-04 17:46:38,024 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-04-04 17:46:38,024 INFO L133 SettingsManager]: * Trace refinement exception blacklist=UNKNOWN [2019-04-04 17:46:38,024 INFO L133 SettingsManager]: * Stop after first violation was found=false [2019-04-04 17:46:38,024 INFO L133 SettingsManager]: * Compute statistics for interpolant sequences=false [2019-04-04 17:46:38,024 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2019-04-04 17:46:38,025 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-04 17:46:38,025 INFO L133 SettingsManager]: * Compute trace for counterexample result=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit analysis time -> 300 Applying setting for plugin de.uni_freiburg.informatik.ultimate.pea2boogie: Always use all invariants during rt-inconsistency checks -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.pea2boogie: Check vacuity -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.pea2boogie: Check consistency -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.pea2boogie: Check rt-inconsistency -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.pea2boogie: Report trivial rt-consistency -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.pea2boogie: Rt-inconsistency range -> 2 [2019-04-04 17:46:38,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-04-04 17:46:38,098 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-04-04 17:46:38,104 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-04-04 17:46:38,105 INFO L271 PluginConnector]: Initializing ReqParser... [2019-04-04 17:46:38,106 INFO L276 PluginConnector]: ReqParser initialized [2019-04-04 17:46:38,107 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/re2019-exp/Evehicle.new.req [2019-04-04 17:46:38,108 INFO L94 ReqParser]: Parsing file /storage/repos/re2019-exp/Evehicle.new.req [2019-04-04 17:46:38,172 INFO L134 ReqParser]: 139 requirements (81 non-initialization) in total [2019-04-04 17:46:38,181 INFO L134 ReqParser]: 139 requirements (81 non-initialization) after unification [2019-04-04 17:46:38,186 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-04-04 17:46:38,188 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-04-04 17:46:38,189 INFO L113 PluginConnector]: ------------------------PEA to Boogie---------------------------- [2019-04-04 17:46:38,189 INFO L271 PluginConnector]: Initializing PEA to Boogie... [2019-04-04 17:46:38,190 INFO L276 PluginConnector]: PEA to Boogie initialized [2019-04-04 17:46:38,191 INFO L185 PluginConnector]: Executing the observer PEAtoBoogieObserver from plugin PEA to Boogie for "de.uni_freiburg.informatik.ultimate.reqparser OTHER 04.04 05:46:38" (1/1) ... [2019-04-04 17:46:38,200 INFO L157 Req2BoogieTranslator]: Check vacuity=true, Rt-inconsistency range=2, Check consistency=true, Report trivial rt-consistency=false, Always use all invariants during rt-inconsistency checks=true [2019-04-04 17:46:38,218 INFO L59 ReqToPEA]: Transforming 81 requirements to PEAs [2019-04-04 17:46:38,258 INFO L87 ReqToPEA]: Following types of requirements were processed [2019-04-04 17:46:38,258 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.UniversalityPattern : 16 [2019-04-04 17:46:38,258 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.InstAbsPattern : 30 [2019-04-04 17:46:38,258 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.InvariantPattern : 32 [2019-04-04 17:46:38,259 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.BndResponsePatternUT : 3 [2019-04-04 17:46:38,259 INFO L92 ReqToPEA]: Finished transforming 81 requirements to PEAs No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-04-04 17:46:39,921 WARN L188 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 161 DAG size of output: 132 [2019-04-04 17:46:39,923 INFO L154 cyConditionGenerator]: Finished generating primed state invariant of size 132 [2019-04-04 17:46:39,962 WARN L496 Req2BoogieTranslator]: phase without clock or state invariant for ID069: Globally, it is always the case that if "(!x0006 && (!x0012 && !x0026))" holds, then "!x0006" holds after at most "1" time units [2019-04-04 17:46:39,965 INFO L769 Req2BoogieTranslator]: 77 of 81 requirements are invariant [2019-04-04 17:46:39,966 INFO L786 Req2BoogieTranslator]: Computing rt-inconsistency assertions for 6 subsets [2019-04-04 17:46:44,558 INFO L284 cyConditionGenerator]: 6 checks, 6 trivial consistent, 0 non-trivial [2019-04-04 17:46:44,558 INFO L290 cyConditionGenerator]: Of 45 formulas, 0 were quantified, 45 were plain. Needed 18 quantifier elimination runs, 0 quantified solver queries. [2019-04-04 17:46:44,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:44 Unit [2019-04-04 17:46:44,574 INFO L132 PluginConnector]: ------------------------ END PEA to Boogie---------------------------- [2019-04-04 17:46:44,574 INFO L113 PluginConnector]: ------------------------Boogie Printer---------------------------- [2019-04-04 17:46:44,575 INFO L271 PluginConnector]: Initializing Boogie Printer... [2019-04-04 17:46:44,575 INFO L276 PluginConnector]: Boogie Printer initialized [2019-04-04 17:46:44,576 INFO L185 PluginConnector]: Executing the observer BoogiePrinterObserver from plugin Boogie Printer for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:44" (1/1) ... [2019-04-04 17:46:44,576 INFO L116 oogiePrinterObserver]: File already exists and will be overwritten: /tmp/boogiePrinter.bpl [2019-04-04 17:46:44,576 INFO L120 oogiePrinterObserver]: Writing to file /tmp/boogiePrinter.bpl [2019-04-04 17:46:44,599 INFO L132 PluginConnector]: ------------------------ END Boogie Printer---------------------------- [2019-04-04 17:46:44,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-04-04 17:46:44,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-04-04 17:46:44,603 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-04-04 17:46:44,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:44" (1/1) ... [2019-04-04 17:46:44,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:44" (1/1) ... [2019-04-04 17:46:44,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:44" (1/1) ... [2019-04-04 17:46:44,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:44" (1/1) ... [2019-04-04 17:46:44,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:44" (1/1) ... [2019-04-04 17:46:44,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:44" (1/1) ... [2019-04-04 17:46:44,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:44" (1/1) ... [2019-04-04 17:46:44,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-04-04 17:46:44,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-04-04 17:46:44,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-04-04 17:46:44,714 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-04-04 17:46:44,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2019-04-04 17:46:44,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure myProcedure given in one single declaration [2019-04-04 17:46:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure myProcedure [2019-04-04 17:46:44,755 INFO L138 BoogieDeclarations]: Found implementation of procedure myProcedure [2019-04-04 17:46:51,335 INFO L278 CfgBuilder]: Using library mode [2019-04-04 17:46:51,336 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-04-04 17:46:51,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 05:46:51 BoogieIcfgContainer [2019-04-04 17:46:51,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-04-04 17:46:51,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-04-04 17:46:51,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-04-04 17:46:51,341 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-04-04 17:46:51,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.reqparser OTHER 04.04 05:46:38" (1/3) ... [2019-04-04 17:46:51,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad20fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 04.04 05:46:51, skipping insertion in model container [2019-04-04 17:46:51,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:44" (2/3) ... [2019-04-04 17:46:51,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad20fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 05:46:51, skipping insertion in model container [2019-04-04 17:46:51,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 05:46:51" (3/3) ... [2019-04-04 17:46:51,345 INFO L112 eAbstractionObserver]: Analyzing ICFG [2019-04-04 17:46:51,354 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-04-04 17:46:51,359 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-04-04 17:46:51,380 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:51,406 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:51,407 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:51,407 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:51,407 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:51,407 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:51,407 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:51,407 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:51,408 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr2ASSERT_VIOLATIONVACUOUSforID070======== [2019-04-04 17:46:51,421 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-04-04 17:46:51,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-04-04 17:46:51,435 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:51,436 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-04-04 17:46:51,442 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr2ASSERT_VIOLATIONVACUOUSforID070]=== [2019-04-04 17:46:51,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:51,450 INFO L82 PathProgramCache]: Analyzing trace with hash 93793039, now seen corresponding path program 1 times [2019-04-04 17:46:51,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:51,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:51,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:51,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:51,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:46:51,921 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-04-04 17:46:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-04-04 17:46:51,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-04-04 17:46:51,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-04-04 17:46:51,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-04-04 17:46:51,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-04-04 17:46:51,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-04-04 17:46:51,947 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 4 states. [2019-04-04 17:46:52,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-04-04 17:46:52,060 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-04-04 17:46:52,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-04-04 17:46:52,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-04-04 17:46:52,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-04-04 17:46:52,072 INFO L225 Difference]: With dead ends: 24 [2019-04-04 17:46:52,072 INFO L226 Difference]: Without dead ends: 14 [2019-04-04 17:46:52,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-04-04 17:46:52,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-04-04 17:46:52,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2019-04-04 17:46:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-04-04 17:46:52,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-04-04 17:46:52,108 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 5 [2019-04-04 17:46:52,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-04-04 17:46:52,109 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-04-04 17:46:52,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-04-04 17:46:52,109 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-04-04 17:46:52,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-04-04 17:46:52,110 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:52,110 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2019-04-04 17:46:52,111 INFO L423 AbstractCegarLoop]: === Iteration 2 === [myProcedureErr2ASSERT_VIOLATIONVACUOUSforID070]=== [2019-04-04 17:46:52,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:52,111 INFO L82 PathProgramCache]: Analyzing trace with hash 836437845, now seen corresponding path program 1 times [2019-04-04 17:46:52,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:52,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:52,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:52,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:52,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:46:52,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-04-04 17:46:52,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-04-04 17:46:52,598 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-04-04 17:46:52,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:46:52,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 10 conjunts are in the unsatisfiable core [2019-04-04 17:46:52,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-04-04 17:46:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-04-04 17:46:53,003 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-04-04 17:46:53,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 4 [2019-04-04 17:46:53,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-04-04 17:46:53,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-04-04 17:46:53,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-04-04 17:46:53,007 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 6 states. [2019-04-04 17:46:53,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-04-04 17:46:53,077 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-04-04 17:46:53,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-04-04 17:46:53,084 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-04-04 17:46:53,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-04-04 17:46:53,085 INFO L225 Difference]: With dead ends: 11 [2019-04-04 17:46:53,085 INFO L226 Difference]: Without dead ends: 0 [2019-04-04 17:46:53,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-04-04 17:46:53,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-04-04 17:46:53,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-04-04 17:46:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-04-04 17:46:53,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-04-04 17:46:53,087 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-04-04 17:46:53,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-04-04 17:46:53,087 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-04-04 17:46:53,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-04-04 17:46:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-04-04 17:46:53,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-04-04 17:46:53,091 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr2ASSERT_VIOLATIONVACUOUSforID070 was SAFE (1/5) [2019-04-04 17:46:53,093 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:53,094 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:53,094 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:53,094 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:53,094 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:53,094 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:53,094 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:53,094 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:53,095 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr3ASSERT_VIOLATIONVACUOUSforID076======== [2019-04-04 17:46:53,095 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-04-04 17:46:53,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-04-04 17:46:53,096 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:53,096 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-04-04 17:46:53,096 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr3ASSERT_VIOLATIONVACUOUSforID076]=== [2019-04-04 17:46:53,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:53,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1387382530, now seen corresponding path program 1 times [2019-04-04 17:46:53,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:53,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:53,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:53,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:53,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:46:53,115 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:46:53,327 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr3ASSERT_VIOLATIONVACUOUSforID076 was UNSAFE (2/5) [2019-04-04 17:46:53,328 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:53,329 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:53,329 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:53,329 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:53,329 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:53,329 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:53,329 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:53,329 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:53,330 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr0ASSERT_VIOLATIONVACUOUSforID078======== [2019-04-04 17:46:53,331 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-04-04 17:46:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-04-04 17:46:53,331 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:53,331 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-04-04 17:46:53,331 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr0ASSERT_VIOLATIONVACUOUSforID078]=== [2019-04-04 17:46:53,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:53,335 INFO L82 PathProgramCache]: Analyzing trace with hash 97581, now seen corresponding path program 1 times [2019-04-04 17:46:53,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:53,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:53,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:53,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:53,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:46:53,353 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:46:53,353 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr0ASSERT_VIOLATIONVACUOUSforID078 was UNSAFE (3/5) [2019-04-04 17:46:53,354 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:53,354 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:53,355 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:53,355 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:53,355 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:53,355 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:53,355 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:53,355 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:53,356 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr1ASSERT_VIOLATIONVACUOUSforID075======== [2019-04-04 17:46:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-04-04 17:46:53,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-04-04 17:46:53,357 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:53,357 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-04-04 17:46:53,357 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr1ASSERT_VIOLATIONVACUOUSforID075]=== [2019-04-04 17:46:53,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:53,358 INFO L82 PathProgramCache]: Analyzing trace with hash 3025564, now seen corresponding path program 1 times [2019-04-04 17:46:53,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:53,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:53,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:53,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:53,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:46:53,375 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:46:53,375 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr1ASSERT_VIOLATIONVACUOUSforID075 was UNSAFE (4/5) [2019-04-04 17:46:53,376 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:53,376 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:53,377 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:53,377 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:53,377 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:53,377 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:53,377 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:53,377 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:53,377 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr4ASSERT_VIOLATIONCONSISTENCYforallrequirements======== [2019-04-04 17:46:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-04-04 17:46:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-04-04 17:46:53,379 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:53,379 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:46:53,379 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr4ASSERT_VIOLATIONCONSISTENCYforallrequirements]=== [2019-04-04 17:46:53,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:53,380 INFO L82 PathProgramCache]: Analyzing trace with hash -59184911, now seen corresponding path program 1 times [2019-04-04 17:46:53,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:53,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:53,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:53,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:53,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:46:53,399 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:46:53,399 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr4ASSERT_VIOLATIONCONSISTENCYforallrequirements was UNSAFE (5/5) [2019-04-04 17:46:53,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 05:46:53 BoogieIcfgContainer [2019-04-04 17:46:53,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-04-04 17:46:53,401 INFO L168 Benchmark]: Toolchain (without parser) took 15214.13 ms. Allocated memory was 141.6 MB in the beginning and 465.0 MB in the end (delta: 323.5 MB). Free memory was 107.5 MB in the beginning and 415.5 MB in the end (delta: -308.0 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-04-04 17:46:53,403 INFO L168 Benchmark]: ReqParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-04-04 17:46:53,403 INFO L168 Benchmark]: PEA to Boogie took 6385.37 ms. Allocated memory was 141.6 MB in the beginning and 326.6 MB in the end (delta: 185.1 MB). Free memory was 107.3 MB in the beginning and 200.3 MB in the end (delta: -92.9 MB). Peak memory consumption was 190.9 MB. Max. memory is 7.1 GB. [2019-04-04 17:46:53,405 INFO L168 Benchmark]: Boogie Printer took 24.79 ms. Allocated memory is still 326.6 MB. Free memory was 200.3 MB in the beginning and 200.1 MB in the end (delta: 182.8 kB). Peak memory consumption was 182.8 kB. Max. memory is 7.1 GB. [2019-04-04 17:46:53,405 INFO L168 Benchmark]: Boogie Preprocessor took 114.26 ms. Allocated memory is still 326.6 MB. Free memory was 200.1 MB in the beginning and 195.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-04-04 17:46:53,406 INFO L168 Benchmark]: RCFGBuilder took 6622.84 ms. Allocated memory was 326.6 MB in the beginning and 369.1 MB in the end (delta: 42.5 MB). Free memory was 195.5 MB in the beginning and 97.0 MB in the end (delta: 98.5 MB). Peak memory consumption was 141.1 MB. Max. memory is 7.1 GB. [2019-04-04 17:46:53,407 INFO L168 Benchmark]: TraceAbstraction took 2062.80 ms. Allocated memory was 369.1 MB in the beginning and 465.0 MB in the end (delta: 95.9 MB). Free memory was 97.0 MB in the beginning and 415.5 MB in the end (delta: -318.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-04-04 17:46:53,413 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * ReqParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * PEA to Boogie took 6385.37 ms. Allocated memory was 141.6 MB in the beginning and 326.6 MB in the end (delta: 185.1 MB). Free memory was 107.3 MB in the beginning and 200.3 MB in the end (delta: -92.9 MB). Peak memory consumption was 190.9 MB. Max. memory is 7.1 GB. * Boogie Printer took 24.79 ms. Allocated memory is still 326.6 MB. Free memory was 200.3 MB in the beginning and 200.1 MB in the end (delta: 182.8 kB). Peak memory consumption was 182.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.26 ms. Allocated memory is still 326.6 MB. Free memory was 200.1 MB in the beginning and 195.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6622.84 ms. Allocated memory was 326.6 MB in the beginning and 369.1 MB in the end (delta: 42.5 MB). Free memory was 195.5 MB in the beginning and 97.0 MB in the end (delta: 98.5 MB). Peak memory consumption was 141.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2062.80 ms. Allocated memory was 369.1 MB in the beginning and 465.0 MB in the end (delta: 95.9 MB). Free memory was 97.0 MB in the beginning and 415.5 MB in the end (delta: -318.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ReqCheckFailResult [Line: -1]: Requirement ID070 is vacuous Requirement ID070 is vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr2ASSERT_VIOLATIONVACUOUSforID070 CFG has 1 procedures, 13 locations, 5 error locations. SAFE Result, 1.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 23 SDslu, 10 SDs, 0 SdLazy, 12 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 13 NumberOfNonLiveVariables, 486 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - ReqCheckSuccessResult [Line: -1]: Requirement ID076 is non-vacuous Requirement ID076 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr3ASSERT_VIOLATIONVACUOUSforID076 CFG has 1 procedures, 13 locations, 5 error locations. UNSAFE Result, 0.2s 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=13occurred 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, 6 NumberOfCodeBlocks, 6 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 - ReqCheckSuccessResult [Line: -1]: Requirement ID078 is non-vacuous Requirement ID078 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr0ASSERT_VIOLATIONVACUOUSforID078 CFG has 1 procedures, 13 locations, 5 error locations. UNSAFE Result, 0.0s 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=13occurred 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, 3 NumberOfCodeBlocks, 3 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 - ReqCheckSuccessResult [Line: -1]: Requirement ID075 is non-vacuous Requirement ID075 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr1ASSERT_VIOLATIONVACUOUSforID075 CFG has 1 procedures, 13 locations, 5 error locations. UNSAFE Result, 0.0s 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=13occurred 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, 4 NumberOfCodeBlocks, 4 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 - ReqCheckSuccessResult [UNKNOWN] : All requirements are consistent All requirements are consistent - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr4ASSERT_VIOLATIONCONSISTENCYforallrequirements CFG has 1 procedures, 13 locations, 5 error locations. UNSAFE Result, 0.0s 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=13occurred 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, 7 NumberOfCodeBlocks, 7 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 could not prove your program: Toolchain returned no result. Received shutdown request...