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/ACC_110302.new.req -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a613b84 [2019-04-05 11:56:21,416 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-04-05 11:56:21,418 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-04-05 11:56:21,438 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-04-05 11:56:21,439 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-04-05 11:56:21,440 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-04-05 11:56:21,442 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-04-05 11:56:21,445 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-04-05 11:56:21,446 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-04-05 11:56:21,447 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-04-05 11:56:21,448 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-04-05 11:56:21,449 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-04-05 11:56:21,449 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-04-05 11:56:21,450 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-04-05 11:56:21,452 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-04-05 11:56:21,453 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-04-05 11:56:21,454 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-04-05 11:56:21,455 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-04-05 11:56:21,458 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-04-05 11:56:21,460 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-04-05 11:56:21,461 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-04-05 11:56:21,463 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-04-05 11:56:21,466 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-04-05 11:56:21,469 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-04-05 11:56:21,470 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-04-05 11:56:21,471 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-04-05 11:56:21,472 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-04-05 11:56:21,473 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-04-05 11:56:21,473 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-04-05 11:56:21,474 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-04-05 11:56:21,474 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-04-05 11:56:21,474 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-04-05 11:56:21,475 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-04-05 11:56:21,476 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-04-05 11:56:21,476 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/trunk/examples/settings/reqanalyzer/reqanalyzer-nonlin.epf [2019-04-05 11:56:21,485 INFO L110 SettingsManager]: Loading preferences was successful [2019-04-05 11:56:21,486 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-04-05 11:56:21,487 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-04-05 11:56:21,487 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2019-04-05 11:56:21,487 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-05 11:56:21,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2019-04-05 11:56:21,488 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-04-05 11:56:21,488 INFO L133 SettingsManager]: * Trace refinement exception blacklist=UNKNOWN [2019-04-05 11:56:21,488 INFO L133 SettingsManager]: * Stop after first violation was found=false [2019-04-05 11:56:21,488 INFO L133 SettingsManager]: * Compute statistics for interpolant sequences=false [2019-04-05 11:56:21,489 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2019-04-05 11:56:21,489 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-05 11:56:21,489 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 [2019-04-05 11:56:21,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-04-05 11:56:21,550 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-04-05 11:56:21,553 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-04-05 11:56:21,555 INFO L271 PluginConnector]: Initializing ReqParser... [2019-04-05 11:56:21,556 INFO L276 PluginConnector]: ReqParser initialized [2019-04-05 11:56:21,556 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/re2019-exp/ACC_110302.new.req [2019-04-05 11:56:21,557 INFO L94 ReqParser]: Parsing file /storage/repos/re2019-exp/ACC_110302.new.req [2019-04-05 11:56:21,603 INFO L134 ReqParser]: 20 requirements (8 non-initialization) in total [2019-04-05 11:56:21,608 INFO L134 ReqParser]: 20 requirements (8 non-initialization) after unification [2019-04-05 11:56:21,613 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-04-05 11:56:21,615 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-04-05 11:56:21,616 INFO L113 PluginConnector]: ------------------------PEA to Boogie---------------------------- [2019-04-05 11:56:21,616 INFO L271 PluginConnector]: Initializing PEA to Boogie... [2019-04-05 11:56:21,616 INFO L276 PluginConnector]: PEA to Boogie initialized [2019-04-05 11:56:21,618 INFO L185 PluginConnector]: Executing the observer PEAtoBoogieObserver from plugin PEA to Boogie for "de.uni_freiburg.informatik.ultimate.reqparser OTHER 05.04 11:56:21" (1/1) ... [2019-04-05 11:56:21,628 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 [2019-04-05 11:56:21,639 INFO L59 ReqToPEA]: Transforming 8 requirements to PEAs [2019-04-05 11:56:21,655 INFO L87 ReqToPEA]: Following types of requirements were processed [2019-04-05 11:56:21,656 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.UniversalityPattern : 2 [2019-04-05 11:56:21,656 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.PrecedencePattern : 1 [2019-04-05 11:56:21,656 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.BndResponsePatternUT : 2 [2019-04-05 11:56:21,656 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.InvariantPattern : 3 [2019-04-05 11:56:21,657 INFO L92 ReqToPEA]: Finished transforming 8 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 [2019-04-05 11:56:21,969 INFO L154 cyConditionGenerator]: Finished generating primed state invariant of size 13 [2019-04-05 11:56:21,993 WARN L496 Req2BoogieTranslator]: phase without clock or state invariant for ID6: After "x0004" until "x0004", it is always the case that "x0004" holds [2019-04-05 11:56:21,993 WARN L496 Req2BoogieTranslator]: phase without clock or state invariant for ID1: Globally, it is always the case that if "x0000" holds, then "x0001", previously held [2019-04-05 11:56:21,996 INFO L769 Req2BoogieTranslator]: 5 of 8 requirements are invariant [2019-04-05 11:56:21,997 INFO L786 Req2BoogieTranslator]: Computing rt-inconsistency assertions for 3 subsets [2019-04-05 11:56:22,161 INFO L284 cyConditionGenerator]: 3 checks, 3 trivial consistent, 0 non-trivial [2019-04-05 11:56:22,161 INFO L290 cyConditionGenerator]: Of 27 formulas, 0 were quantified, 27 were plain. Needed 12 quantifier elimination runs, 0 quantified solver queries. [2019-04-05 11:56:22,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:22 Unit [2019-04-05 11:56:22,171 INFO L132 PluginConnector]: ------------------------ END PEA to Boogie---------------------------- [2019-04-05 11:56:22,172 INFO L113 PluginConnector]: ------------------------Boogie Printer---------------------------- [2019-04-05 11:56:22,172 INFO L271 PluginConnector]: Initializing Boogie Printer... [2019-04-05 11:56:22,173 INFO L276 PluginConnector]: Boogie Printer initialized [2019-04-05 11:56:22,175 INFO L185 PluginConnector]: Executing the observer BoogiePrinterObserver from plugin Boogie Printer for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:22" (1/1) ... [2019-04-05 11:56:22,175 INFO L116 oogiePrinterObserver]: File already exists and will be overwritten: /tmp/boogiePrinter.bpl [2019-04-05 11:56:22,175 INFO L120 oogiePrinterObserver]: Writing to file /tmp/boogiePrinter.bpl [2019-04-05 11:56:22,186 INFO L132 PluginConnector]: ------------------------ END Boogie Printer---------------------------- [2019-04-05 11:56:22,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-04-05 11:56:22,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-04-05 11:56:22,187 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-04-05 11:56:22,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:22" (1/1) ... [2019-04-05 11:56:22,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:22" (1/1) ... [2019-04-05 11:56:22,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:22" (1/1) ... [2019-04-05 11:56:22,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:22" (1/1) ... [2019-04-05 11:56:22,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:22" (1/1) ... [2019-04-05 11:56:22,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:22" (1/1) ... [2019-04-05 11:56:22,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:22" (1/1) ... [2019-04-05 11:56:22,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-04-05 11:56:22,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-04-05 11:56:22,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-04-05 11:56:22,239 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-04-05 11:56:22,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:22" (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 [2019-04-05 11:56:22,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure myProcedure given in one single declaration [2019-04-05 11:56:22,276 INFO L130 BoogieDeclarations]: Found specification of procedure myProcedure [2019-04-05 11:56:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure myProcedure [2019-04-05 11:56:23,952 INFO L278 CfgBuilder]: Using library mode [2019-04-05 11:56:23,952 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-04-05 11:56:23,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 11:56:23 BoogieIcfgContainer [2019-04-05 11:56:23,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-04-05 11:56:23,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-04-05 11:56:23,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-04-05 11:56:23,958 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-04-05 11:56:23,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.reqparser OTHER 05.04 11:56:21" (1/3) ... [2019-04-05 11:56:23,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d496c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 05.04 11:56:23, skipping insertion in model container [2019-04-05 11:56:23,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:22" (2/3) ... [2019-04-05 11:56:23,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d496c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 11:56:23, skipping insertion in model container [2019-04-05 11:56:23,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 11:56:23" (3/3) ... [2019-04-05 11:56:23,963 INFO L112 eAbstractionObserver]: Analyzing ICFG [2019-04-05 11:56:23,972 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-04-05 11:56:23,978 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-04-05 11:56:23,999 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:24,029 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:24,030 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:24,030 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:24,030 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:24,031 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:24,031 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:24,031 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:24,031 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr2ASSERT_VIOLATIONVACUOUSforID5======== [2019-04-05 11:56:24,046 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-04-05 11:56:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-04-05 11:56:24,054 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:24,055 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-04-05 11:56:24,056 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr2ASSERT_VIOLATIONVACUOUSforID5]=== [2019-04-05 11:56:24,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:24,062 INFO L82 PathProgramCache]: Analyzing trace with hash 39337092, now seen corresponding path program 1 times [2019-04-05 11:56:24,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:24,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:24,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:24,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:24,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:24,203 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:24,214 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr2ASSERT_VIOLATIONVACUOUSforID5 was UNSAFE (1/4) [2019-04-05 11:56:24,217 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:24,218 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:24,219 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:24,219 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:24,219 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:24,219 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:24,219 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:24,219 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:24,220 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr0ASSERT_VIOLATIONVACUOUSforID1======== [2019-04-05 11:56:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-04-05 11:56:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-04-05 11:56:24,222 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:24,222 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-04-05 11:56:24,223 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr0ASSERT_VIOLATIONVACUOUSforID1]=== [2019-04-05 11:56:24,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:24,223 INFO L82 PathProgramCache]: Analyzing trace with hash 40930, now seen corresponding path program 1 times [2019-04-05 11:56:24,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:24,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:24,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:24,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:24,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:24,250 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:24,251 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr0ASSERT_VIOLATIONVACUOUSforID1 was UNSAFE (2/4) [2019-04-05 11:56:24,252 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:24,252 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:24,253 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:24,253 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:24,253 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:24,253 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:24,253 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:24,253 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:24,253 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr3ASSERT_VIOLATIONCONSISTENCYforallrequirements======== [2019-04-05 11:56:24,256 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-04-05 11:56:24,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-04-05 11:56:24,257 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:24,257 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-04-05 11:56:24,257 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr3ASSERT_VIOLATIONCONSISTENCYforallrequirements]=== [2019-04-05 11:56:24,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:24,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1219449961, now seen corresponding path program 1 times [2019-04-05 11:56:24,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:24,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:24,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:24,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:24,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:24,273 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:24,274 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr3ASSERT_VIOLATIONCONSISTENCYforallrequirements was UNSAFE (3/4) [2019-04-05 11:56:24,275 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:24,276 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:24,276 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:24,276 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:24,276 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:24,276 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:24,276 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:24,277 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:24,277 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr1ASSERT_VIOLATIONVACUOUSforID3======== [2019-04-05 11:56:24,278 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-04-05 11:56:24,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-04-05 11:56:24,278 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:24,278 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-04-05 11:56:24,279 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr1ASSERT_VIOLATIONVACUOUSforID3]=== [2019-04-05 11:56:24,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:24,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1268935, now seen corresponding path program 1 times [2019-04-05 11:56:24,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:24,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:24,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:24,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:24,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:24,303 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:24,305 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr1ASSERT_VIOLATIONVACUOUSforID3 was UNSAFE (4/4) [2019-04-05 11:56:24,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 11:56:24 BoogieIcfgContainer [2019-04-05 11:56:24,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-04-05 11:56:24,308 INFO L168 Benchmark]: Toolchain (without parser) took 2694.47 ms. Allocated memory was 134.7 MB in the beginning and 169.3 MB in the end (delta: 34.6 MB). Free memory was 109.1 MB in the beginning and 84.6 MB in the end (delta: 24.6 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,311 INFO L168 Benchmark]: ReqParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 111.1 MB in the beginning and 110.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,312 INFO L168 Benchmark]: PEA to Boogie took 555.97 ms. Allocated memory is still 134.7 MB. Free memory was 108.9 MB in the beginning and 88.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,312 INFO L168 Benchmark]: Boogie Printer took 13.94 ms. Allocated memory is still 134.7 MB. Free memory was 88.5 MB in the beginning and 87.9 MB in the end (delta: 629.3 kB). Peak memory consumption was 629.3 kB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,314 INFO L168 Benchmark]: Boogie Preprocessor took 52.24 ms. Allocated memory is still 134.7 MB. Free memory was 87.9 MB in the beginning and 85.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,317 INFO L168 Benchmark]: RCFGBuilder took 1714.85 ms. Allocated memory was 134.7 MB in the beginning and 169.3 MB in the end (delta: 34.6 MB). Free memory was 85.7 MB in the beginning and 102.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,319 INFO L168 Benchmark]: TraceAbstraction took 352.97 ms. Allocated memory is still 169.3 MB. Free memory was 102.4 MB in the beginning and 84.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,326 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * ReqParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 111.1 MB in the beginning and 110.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * PEA to Boogie took 555.97 ms. Allocated memory is still 134.7 MB. Free memory was 108.9 MB in the beginning and 88.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Printer took 13.94 ms. Allocated memory is still 134.7 MB. Free memory was 88.5 MB in the beginning and 87.9 MB in the end (delta: 629.3 kB). Peak memory consumption was 629.3 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.24 ms. Allocated memory is still 134.7 MB. Free memory was 87.9 MB in the beginning and 85.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1714.85 ms. Allocated memory was 134.7 MB in the beginning and 169.3 MB in the end (delta: 34.6 MB). Free memory was 85.7 MB in the beginning and 102.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 352.97 ms. Allocated memory is still 169.3 MB. Free memory was 102.4 MB in the beginning and 84.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ReqCheckSuccessResult [Line: -1]: Requirement ID5 is non-vacuous Requirement ID5 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr2ASSERT_VIOLATIONVACUOUSforID5 CFG has 1 procedures, 11 locations, 4 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=11occurred 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, 5 NumberOfCodeBlocks, 5 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 ID1 is non-vacuous Requirement ID1 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr0ASSERT_VIOLATIONVACUOUSforID1 CFG has 1 procedures, 11 locations, 4 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=11occurred 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 [UNKNOWN] : All requirements are consistent All requirements are consistent - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr3ASSERT_VIOLATIONCONSISTENCYforallrequirements CFG has 1 procedures, 11 locations, 4 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=11occurred 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 ID3 is non-vacuous Requirement ID3 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr1ASSERT_VIOLATIONVACUOUSforID3 CFG has 1 procedures, 11 locations, 4 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=11occurred 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 RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...