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/accreqs4.new.req -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a613b84 [2019-04-04 14:49:30,868 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-04-04 14:49:30,870 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-04-04 14:49:30,887 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-04-04 14:49:30,889 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-04-04 14:49:30,891 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-04-04 14:49:30,895 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-04-04 14:49:30,897 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-04-04 14:49:30,900 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-04-04 14:49:30,900 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-04-04 14:49:30,902 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-04-04 14:49:30,903 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-04-04 14:49:30,904 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-04-04 14:49:30,906 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-04-04 14:49:30,915 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-04-04 14:49:30,916 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-04-04 14:49:30,917 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-04-04 14:49:30,919 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-04-04 14:49:30,924 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-04-04 14:49:30,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-04-04 14:49:30,930 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-04-04 14:49:30,931 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-04-04 14:49:30,934 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-04-04 14:49:30,940 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-04-04 14:49:30,941 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-04-04 14:49:30,943 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-04-04 14:49:30,944 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-04-04 14:49:30,946 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-04-04 14:49:30,946 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-04-04 14:49:30,947 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-04-04 14:49:30,947 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-04-04 14:49:30,947 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-04-04 14:49:30,949 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-04-04 14:49:30,950 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-04-04 14:49:30,951 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/trunk/examples/settings/reqanalyzer/reqanalyzer-nonlin.epf [2019-04-04 14:49:30,967 INFO L110 SettingsManager]: Loading preferences was successful [2019-04-04 14:49:30,968 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-04-04 14:49:30,970 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-04-04 14:49:30,970 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2019-04-04 14:49:30,970 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-04 14:49:30,970 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2019-04-04 14:49:30,971 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-04-04 14:49:30,971 INFO L133 SettingsManager]: * Trace refinement exception blacklist=UNKNOWN [2019-04-04 14:49:30,971 INFO L133 SettingsManager]: * Stop after first violation was found=false [2019-04-04 14:49:30,971 INFO L133 SettingsManager]: * Compute statistics for interpolant sequences=false [2019-04-04 14:49:30,971 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2019-04-04 14:49:30,972 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-04 14:49:30,972 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 14:49:31,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-04-04 14:49:31,026 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-04-04 14:49:31,029 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-04-04 14:49:31,031 INFO L271 PluginConnector]: Initializing ReqParser... [2019-04-04 14:49:31,032 INFO L276 PluginConnector]: ReqParser initialized [2019-04-04 14:49:31,032 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/re2019-exp/accreqs4.new.req [2019-04-04 14:49:31,033 INFO L94 ReqParser]: Parsing file /storage/repos/re2019-exp/accreqs4.new.req [2019-04-04 14:49:31,108 INFO L134 ReqParser]: 41 requirements (17 non-initialization) in total [2019-04-04 14:49:31,122 INFO L134 ReqParser]: 41 requirements (17 non-initialization) after unification [2019-04-04 14:49:31,129 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-04-04 14:49:31,131 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-04-04 14:49:31,131 INFO L113 PluginConnector]: ------------------------PEA to Boogie---------------------------- [2019-04-04 14:49:31,132 INFO L271 PluginConnector]: Initializing PEA to Boogie... [2019-04-04 14:49:31,132 INFO L276 PluginConnector]: PEA to Boogie initialized [2019-04-04 14:49:31,135 INFO L185 PluginConnector]: Executing the observer PEAtoBoogieObserver from plugin PEA to Boogie for "de.uni_freiburg.informatik.ultimate.reqparser OTHER 04.04 02:49:31" (1/1) ... [2019-04-04 14:49:31,144 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 14:49:31,155 INFO L59 ReqToPEA]: Transforming 17 requirements to PEAs [2019-04-04 14:49:31,177 INFO L87 ReqToPEA]: Following types of requirements were processed [2019-04-04 14:49:31,177 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.BndResponsePatternUT : 3 [2019-04-04 14:49:31,177 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.InvariantPattern : 14 [2019-04-04 14:49:31,178 INFO L92 ReqToPEA]: Finished transforming 17 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 14:49:31,830 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-04-04 14:49:31,831 INFO L154 cyConditionGenerator]: Finished generating primed state invariant of size 56 [2019-04-04 14:49:31,845 INFO L769 Req2BoogieTranslator]: 14 of 17 requirements are invariant [2019-04-04 14:49:31,847 INFO L786 Req2BoogieTranslator]: Computing rt-inconsistency assertions for 3 subsets [2019-04-04 14:49:32,294 INFO L284 cyConditionGenerator]: 3 checks, 3 trivial consistent, 0 non-trivial [2019-04-04 14:49:32,295 INFO L290 cyConditionGenerator]: Of 27 formulas, 0 were quantified, 27 were plain. Needed 12 quantifier elimination runs, 0 quantified solver queries. [2019-04-04 14:49:32,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 02:49:32 Unit [2019-04-04 14:49:32,303 INFO L132 PluginConnector]: ------------------------ END PEA to Boogie---------------------------- [2019-04-04 14:49:32,304 INFO L113 PluginConnector]: ------------------------Boogie Printer---------------------------- [2019-04-04 14:49:32,304 INFO L271 PluginConnector]: Initializing Boogie Printer... [2019-04-04 14:49:32,304 INFO L276 PluginConnector]: Boogie Printer initialized [2019-04-04 14:49:32,305 INFO L185 PluginConnector]: Executing the observer BoogiePrinterObserver from plugin Boogie Printer for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 02:49:32" (1/1) ... [2019-04-04 14:49:32,306 INFO L116 oogiePrinterObserver]: File already exists and will be overwritten: /tmp/boogiePrinter.bpl [2019-04-04 14:49:32,306 INFO L120 oogiePrinterObserver]: Writing to file /tmp/boogiePrinter.bpl [2019-04-04 14:49:32,313 INFO L132 PluginConnector]: ------------------------ END Boogie Printer---------------------------- [2019-04-04 14:49:32,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-04-04 14:49:32,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-04-04 14:49:32,314 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-04-04 14:49:32,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 02:49:32" (1/1) ... [2019-04-04 14:49:32,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 02:49:32" (1/1) ... [2019-04-04 14:49:32,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 02:49:32" (1/1) ... [2019-04-04 14:49:32,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 02:49:32" (1/1) ... [2019-04-04 14:49:32,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 02:49:32" (1/1) ... [2019-04-04 14:49:32,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 02:49:32" (1/1) ... [2019-04-04 14:49:32,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 02:49:32" (1/1) ... [2019-04-04 14:49:32,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-04-04 14:49:32,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-04-04 14:49:32,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-04-04 14:49:32,377 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-04-04 14:49:32,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 02:49:32" (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 14:49:32,399 INFO L124 BoogieDeclarations]: Specification and implementation of procedure myProcedure given in one single declaration [2019-04-04 14:49:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure myProcedure [2019-04-04 14:49:32,400 INFO L138 BoogieDeclarations]: Found implementation of procedure myProcedure [2019-04-04 14:49:35,159 INFO L278 CfgBuilder]: Using library mode [2019-04-04 14:49:35,160 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-04-04 14:49:35,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 02:49:35 BoogieIcfgContainer [2019-04-04 14:49:35,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-04-04 14:49:35,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-04-04 14:49:35,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-04-04 14:49:35,168 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-04-04 14:49:35,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.reqparser OTHER 04.04 02:49:31" (1/3) ... [2019-04-04 14:49:35,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15390070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 04.04 02:49:35, skipping insertion in model container [2019-04-04 14:49:35,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 02:49:32" (2/3) ... [2019-04-04 14:49:35,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15390070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 02:49:35, skipping insertion in model container [2019-04-04 14:49:35,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 02:49:35" (3/3) ... [2019-04-04 14:49:35,173 INFO L112 eAbstractionObserver]: Analyzing ICFG [2019-04-04 14:49:35,183 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-04-04 14:49:35,190 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-04-04 14:49:35,217 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 14:49:35,242 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 14:49:35,242 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 14:49:35,243 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 14:49:35,243 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 14:49:35,244 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 14:49:35,244 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 14:49:35,244 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 14:49:35,245 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr0ASSERT_VIOLATIONVACUOUSforID003======== [2019-04-04 14:49:35,260 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-04-04 14:49:35,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-04-04 14:49:35,272 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 14:49:35,273 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-04-04 14:49:35,273 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr0ASSERT_VIOLATIONVACUOUSforID003]=== [2019-04-04 14:49:35,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 14:49:35,279 INFO L82 PathProgramCache]: Analyzing trace with hash 49396, now seen corresponding path program 1 times [2019-04-04 14:49:35,281 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 14:49:35,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 14:49:35,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 14:49:35,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 14:49:35,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 14:49:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 14:49:35,389 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 14:49:35,398 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr0ASSERT_VIOLATIONVACUOUSforID003 was UNSAFE (1/4) [2019-04-04 14:49:35,401 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 14:49:35,401 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 14:49:35,401 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 14:49:35,402 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 14:49:35,402 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 14:49:35,402 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 14:49:35,402 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 14:49:35,402 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 14:49:35,402 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr3ASSERT_VIOLATIONCONSISTENCYforallrequirements======== [2019-04-04 14:49:35,403 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-04-04 14:49:35,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-04-04 14:49:35,404 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 14:49:35,404 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-04-04 14:49:35,404 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr3ASSERT_VIOLATIONCONSISTENCYforallrequirements]=== [2019-04-04 14:49:35,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 14:49:35,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1471725112, now seen corresponding path program 1 times [2019-04-04 14:49:35,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 14:49:35,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 14:49:35,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 14:49:35,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 14:49:35,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 14:49:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 14:49:35,444 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 14:49:35,445 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr3ASSERT_VIOLATIONCONSISTENCYforallrequirements was UNSAFE (2/4) [2019-04-04 14:49:35,449 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 14:49:35,449 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 14:49:35,449 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 14:49:35,450 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 14:49:35,450 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 14:49:35,450 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 14:49:35,450 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 14:49:35,450 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 14:49:35,450 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr1ASSERT_VIOLATIONVACUOUSforID011======== [2019-04-04 14:49:35,454 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-04-04 14:49:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-04-04 14:49:35,455 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 14:49:35,455 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-04-04 14:49:35,455 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr1ASSERT_VIOLATIONVACUOUSforID011]=== [2019-04-04 14:49:35,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 14:49:35,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1531446, now seen corresponding path program 1 times [2019-04-04 14:49:35,458 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 14:49:35,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 14:49:35,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 14:49:35,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 14:49:35,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 14:49:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 14:49:35,483 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 14:49:35,483 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr1ASSERT_VIOLATIONVACUOUSforID011 was UNSAFE (3/4) [2019-04-04 14:49:35,484 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 14:49:35,485 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 14:49:35,485 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 14:49:35,485 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 14:49:35,485 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 14:49:35,485 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 14:49:35,485 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 14:49:35,486 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 14:49:35,486 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr2ASSERT_VIOLATIONVACUOUSforID014======== [2019-04-04 14:49:35,487 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-04-04 14:49:35,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-04-04 14:49:35,487 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 14:49:35,487 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-04-04 14:49:35,488 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr2ASSERT_VIOLATIONVACUOUSforID014]=== [2019-04-04 14:49:35,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 14:49:35,488 INFO L82 PathProgramCache]: Analyzing trace with hash 47474998, now seen corresponding path program 1 times [2019-04-04 14:49:35,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 14:49:35,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 14:49:35,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 14:49:35,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 14:49:35,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 14:49:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 14:49:35,525 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 14:49:35,529 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr2ASSERT_VIOLATIONVACUOUSforID014 was UNSAFE (4/4) [2019-04-04 14:49:35,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 02:49:35 BoogieIcfgContainer [2019-04-04 14:49:35,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-04-04 14:49:35,533 INFO L168 Benchmark]: Toolchain (without parser) took 4401.38 ms. Allocated memory was 134.2 MB in the beginning and 197.1 MB in the end (delta: 62.9 MB). Free memory was 108.3 MB in the beginning and 81.2 MB in the end (delta: 27.1 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-04-04 14:49:35,536 INFO L168 Benchmark]: ReqParser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-04-04 14:49:35,538 INFO L168 Benchmark]: PEA to Boogie took 1171.87 ms. Allocated memory was 134.2 MB in the beginning and 168.8 MB in the end (delta: 34.6 MB). Free memory was 108.3 MB in the beginning and 107.8 MB in the end (delta: 511.1 kB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. [2019-04-04 14:49:35,539 INFO L168 Benchmark]: Boogie Printer took 9.74 ms. Allocated memory is still 168.8 MB. Free memory was 107.8 MB in the beginning and 107.1 MB in the end (delta: 729.7 kB). Peak memory consumption was 729.7 kB. Max. memory is 7.1 GB. [2019-04-04 14:49:35,541 INFO L168 Benchmark]: Boogie Preprocessor took 62.37 ms. Allocated memory is still 168.8 MB. Free memory was 107.1 MB in the beginning and 104.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-04-04 14:49:35,541 INFO L168 Benchmark]: RCFGBuilder took 2785.35 ms. Allocated memory was 168.8 MB in the beginning and 197.1 MB in the end (delta: 28.3 MB). Free memory was 104.8 MB in the beginning and 101.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2019-04-04 14:49:35,542 INFO L168 Benchmark]: TraceAbstraction took 367.85 ms. Allocated memory is still 197.1 MB. Free memory was 99.9 MB in the beginning and 81.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-04-04 14:49:35,552 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * ReqParser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * PEA to Boogie took 1171.87 ms. Allocated memory was 134.2 MB in the beginning and 168.8 MB in the end (delta: 34.6 MB). Free memory was 108.3 MB in the beginning and 107.8 MB in the end (delta: 511.1 kB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. * Boogie Printer took 9.74 ms. Allocated memory is still 168.8 MB. Free memory was 107.8 MB in the beginning and 107.1 MB in the end (delta: 729.7 kB). Peak memory consumption was 729.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.37 ms. Allocated memory is still 168.8 MB. Free memory was 107.1 MB in the beginning and 104.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2785.35 ms. Allocated memory was 168.8 MB in the beginning and 197.1 MB in the end (delta: 28.3 MB). Free memory was 104.8 MB in the beginning and 101.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 367.85 ms. Allocated memory is still 197.1 MB. Free memory was 99.9 MB in the beginning and 81.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ReqCheckSuccessResult [Line: -1]: Requirement ID003 is non-vacuous Requirement ID003 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr0ASSERT_VIOLATIONVACUOUSforID003 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, 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 ID011 is non-vacuous Requirement ID011 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr1ASSERT_VIOLATIONVACUOUSforID011 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 - ReqCheckSuccessResult [Line: -1]: Requirement ID014 is non-vacuous Requirement ID014 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr2ASSERT_VIOLATIONVACUOUSforID014 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, 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 RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...