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/Lambda.reqind_set_0.new.req -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a613b84 [2019-04-05 11:56:21,642 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-04-05 11:56:21,644 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-04-05 11:56:21,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-04-05 11:56:21,691 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-04-05 11:56:21,698 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-04-05 11:56:21,699 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-04-05 11:56:21,700 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/trunk/examples/settings/reqanalyzer/reqanalyzer-nonlin.epf [2019-04-05 11:56:21,711 INFO L110 SettingsManager]: Loading preferences was successful [2019-04-05 11:56:21,712 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-04-05 11:56:21,713 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-04-05 11:56:21,713 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2019-04-05 11:56:21,713 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-05 11:56:21,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2019-04-05 11:56:21,714 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-04-05 11:56:21,714 INFO L133 SettingsManager]: * Trace refinement exception blacklist=UNKNOWN [2019-04-05 11:56:21,714 INFO L133 SettingsManager]: * Stop after first violation was found=false [2019-04-05 11:56:21,714 INFO L133 SettingsManager]: * Compute statistics for interpolant sequences=false [2019-04-05 11:56:21,715 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2019-04-05 11:56:21,715 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-05 11:56:21,715 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 11:56:21,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-04-05 11:56:21,760 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-04-05 11:56:21,763 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-04-05 11:56:21,765 INFO L271 PluginConnector]: Initializing ReqParser... [2019-04-05 11:56:21,766 INFO L276 PluginConnector]: ReqParser initialized [2019-04-05 11:56:21,767 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/re2019-exp/Lambda.reqind_set_0.new.req [2019-04-05 11:56:21,767 INFO L94 ReqParser]: Parsing file /storage/repos/re2019-exp/Lambda.reqind_set_0.new.req [2019-04-05 11:56:21,811 INFO L134 ReqParser]: 7 requirements (3 non-initialization) in total [2019-04-05 11:56:21,815 INFO L134 ReqParser]: 7 requirements (3 non-initialization) after unification [2019-04-05 11:56:21,821 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-04-05 11:56:21,823 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-04-05 11:56:21,824 INFO L113 PluginConnector]: ------------------------PEA to Boogie---------------------------- [2019-04-05 11:56:21,824 INFO L271 PluginConnector]: Initializing PEA to Boogie... [2019-04-05 11:56:21,824 INFO L276 PluginConnector]: PEA to Boogie initialized [2019-04-05 11:56:21,826 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 11:56:21,835 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 11:56:21,847 INFO L59 ReqToPEA]: Transforming 3 requirements to PEAs [2019-04-05 11:56:21,864 INFO L87 ReqToPEA]: Following types of requirements were processed [2019-04-05 11:56:21,864 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.BndResponsePatternUT : 2 [2019-04-05 11:56:21,864 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.UniversalityPattern : 1 [2019-04-05 11:56:21,865 INFO L92 ReqToPEA]: Finished transforming 3 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 11:56:22,014 INFO L154 cyConditionGenerator]: Finished generating primed state invariant of size 1 [2019-04-05 11:56:22,030 INFO L769 Req2BoogieTranslator]: 0 of 3 requirements are invariant [2019-04-05 11:56:22,031 INFO L786 Req2BoogieTranslator]: Computing rt-inconsistency assertions for 3 subsets [2019-04-05 11:56:22,199 INFO L284 cyConditionGenerator]: 3 checks, 3 trivial consistent, 0 non-trivial [2019-04-05 11:56:22,200 INFO L290 cyConditionGenerator]: Of 27 formulas, 0 were quantified, 27 were plain. Needed 12 quantifier elimination runs, 0 quantified solver queries. [2019-04-05 11:56:22,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:22 Unit [2019-04-05 11:56:22,207 INFO L132 PluginConnector]: ------------------------ END PEA to Boogie---------------------------- [2019-04-05 11:56:22,207 INFO L113 PluginConnector]: ------------------------Boogie Printer---------------------------- [2019-04-05 11:56:22,208 INFO L271 PluginConnector]: Initializing Boogie Printer... [2019-04-05 11:56:22,208 INFO L276 PluginConnector]: Boogie Printer initialized [2019-04-05 11:56:22,209 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 11:56:22,209 INFO L116 oogiePrinterObserver]: File already exists and will be overwritten: /tmp/boogiePrinter.bpl [2019-04-05 11:56:22,209 INFO L120 oogiePrinterObserver]: Writing to file /tmp/boogiePrinter.bpl [2019-04-05 11:56:22,216 INFO L132 PluginConnector]: ------------------------ END Boogie Printer---------------------------- [2019-04-05 11:56:22,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-04-05 11:56:22,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-04-05 11:56:22,216 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-04-05 11:56:22,236 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 11:56:22,236 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 11:56:22,242 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 11:56:22,243 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 11:56:22,248 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 11:56:22,254 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 11:56:22,256 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 11:56:22,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-04-05 11:56:22,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-04-05 11:56:22,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-04-05 11:56:22,259 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-04-05 11:56:22,260 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) [2019-04-05 11:56:22,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure myProcedure given in one single declaration [2019-04-05 11:56:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure myProcedure [2019-04-05 11:56:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure myProcedure Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2019-04-05 11:56:23,764 INFO L278 CfgBuilder]: Using library mode [2019-04-05 11:56:23,764 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-04-05 11:56:23,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 11:56:23 BoogieIcfgContainer [2019-04-05 11:56:23,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-04-05 11:56:23,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-04-05 11:56:23,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-04-05 11:56:23,770 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-04-05 11:56:23,770 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 11:56:23,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba5a07d 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 11:56:23,772 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 11:56:23,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba5a07d 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 11:56:23,772 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 11:56:23,774 INFO L112 eAbstractionObserver]: Analyzing ICFG [2019-04-05 11:56:23,783 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-04-05 11:56:23,788 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-04-05 11:56:23,805 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:23,830 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:23,830 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:23,831 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:23,831 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:23,831 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:23,831 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:23,832 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:23,832 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr0ASSERT_VIOLATIONVACUOUSforID1======== [2019-04-05 11:56:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-04-05 11:56:23,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-04-05 11:56:23,859 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:23,860 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-04-05 11:56:23,860 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr0ASSERT_VIOLATIONVACUOUSforID1]=== [2019-04-05 11:56:23,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:23,867 INFO L82 PathProgramCache]: Analyzing trace with hash 38245, now seen corresponding path program 1 times [2019-04-05 11:56:23,869 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:23,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:23,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:23,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:23,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:23,969 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:23,977 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr0ASSERT_VIOLATIONVACUOUSforID1 was UNSAFE (1/4) [2019-04-05 11:56:23,980 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:23,981 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:23,981 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:23,981 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:23,982 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:23,982 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:23,982 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:23,982 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:23,982 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr2ASSERT_VIOLATIONVACUOUSforID3======== [2019-04-05 11:56:23,983 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-04-05 11:56:23,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-04-05 11:56:23,984 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:23,984 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-04-05 11:56:23,984 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr2ASSERT_VIOLATIONVACUOUSforID3]=== [2019-04-05 11:56:23,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:23,985 INFO L82 PathProgramCache]: Analyzing trace with hash 36756199, now seen corresponding path program 1 times [2019-04-05 11:56:23,985 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:23,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:23,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:23,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:23,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:23,999 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:24,000 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr2ASSERT_VIOLATIONVACUOUSforID3 was UNSAFE (2/4) [2019-04-05 11:56:24,001 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:24,001 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:24,001 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:24,001 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:24,002 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:24,002 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:24,002 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:24,002 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:24,002 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr1ASSERT_VIOLATIONVACUOUSforID2======== [2019-04-05 11:56:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-04-05 11:56:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-04-05 11:56:24,004 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:24,004 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-04-05 11:56:24,004 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr1ASSERT_VIOLATIONVACUOUSforID2]=== [2019-04-05 11:56:24,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:24,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1185681, now seen corresponding path program 1 times [2019-04-05 11:56:24,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:24,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:24,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:24,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:24,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:24,019 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:24,020 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr1ASSERT_VIOLATIONVACUOUSforID2 was UNSAFE (3/4) [2019-04-05 11:56:24,020 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:24,021 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:24,021 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:24,021 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:24,021 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:24,021 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:24,022 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:24,022 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:24,022 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr3ASSERT_VIOLATIONCONSISTENCYforallrequirements======== [2019-04-05 11:56:24,023 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-04-05 11:56:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-04-05 11:56:24,023 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:24,024 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-04-05 11:56:24,024 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr3ASSERT_VIOLATIONCONSISTENCYforallrequirements]=== [2019-04-05 11:56:24,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:24,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1139442259, now seen corresponding path program 1 times [2019-04-05 11:56:24,025 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:24,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:24,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:24,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:24,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:24,040 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:24,041 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr3ASSERT_VIOLATIONCONSISTENCYforallrequirements was UNSAFE (4/4) [2019-04-05 11:56:24,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 11:56:24 BoogieIcfgContainer [2019-04-05 11:56:24,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-04-05 11:56:24,044 INFO L168 Benchmark]: Toolchain (without parser) took 2222.44 ms. Allocated memory was 137.9 MB in the beginning and 178.8 MB in the end (delta: 40.9 MB). Free memory was 105.6 MB in the beginning and 115.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,049 INFO L168 Benchmark]: ReqParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,051 INFO L168 Benchmark]: PEA to Boogie took 383.50 ms. Allocated memory is still 137.9 MB. Free memory was 105.6 MB in the beginning and 90.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,052 INFO L168 Benchmark]: Boogie Printer took 8.41 ms. Allocated memory is still 137.9 MB. Free memory was 90.0 MB in the beginning and 89.4 MB in the end (delta: 629.6 kB). Peak memory consumption was 629.6 kB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,054 INFO L168 Benchmark]: Boogie Preprocessor took 42.55 ms. Allocated memory is still 137.9 MB. Free memory was 89.4 MB in the beginning and 87.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,057 INFO L168 Benchmark]: RCFGBuilder took 1506.88 ms. Allocated memory was 137.9 MB in the beginning and 178.8 MB in the end (delta: 40.9 MB). Free memory was 87.3 MB in the beginning and 133.2 MB in the end (delta: -45.9 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,058 INFO L168 Benchmark]: TraceAbstraction took 276.65 ms. Allocated memory is still 178.8 MB. Free memory was 132.4 MB in the beginning and 115.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:24,067 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * ReqParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * PEA to Boogie took 383.50 ms. Allocated memory is still 137.9 MB. Free memory was 105.6 MB in the beginning and 90.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Boogie Printer took 8.41 ms. Allocated memory is still 137.9 MB. Free memory was 90.0 MB in the beginning and 89.4 MB in the end (delta: 629.6 kB). Peak memory consumption was 629.6 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.55 ms. Allocated memory is still 137.9 MB. Free memory was 89.4 MB in the beginning and 87.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1506.88 ms. Allocated memory was 137.9 MB in the beginning and 178.8 MB in the end (delta: 40.9 MB). Free memory was 87.3 MB in the beginning and 133.2 MB in the end (delta: -45.9 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 276.65 ms. Allocated memory is still 178.8 MB. Free memory was 132.4 MB in the beginning and 115.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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, 0.1s 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 [Line: -1]: Requirement ID3 is non-vacuous Requirement ID3 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr2ASSERT_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, 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 ID2 is non-vacuous Requirement ID2 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr1ASSERT_VIOLATIONVACUOUSforID2 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 [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 RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...