java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc /storage/repos/ultimate/trunk/examples/toolchains/ReqCheck.xml -s /storage/repos/ultimate/trunk/examples/settings/reqanalyzer/reqanalyzer-nonlin.epf --traceabstraction.limit.analysis.time 300 --pea2boogie.always.use.all.invariants.during.rt-inconsistency.checks true --pea2boogie.check.vacuity true --pea2boogie.check.consistency true --pea2boogie.check.rt-inconsistency true --pea2boogie.report.trivial.rt-consistency false --pea2boogie.rt-inconsistency.range 2 -i /storage/repos/re2019-exp/Evehicle_extended.new.req -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a613b84 [2019-04-05 11:56:21,763 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-04-05 11:56:21,765 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-04-05 11:56:21,778 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-04-05 11:56:21,778 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-04-05 11:56:21,780 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-04-05 11:56:21,781 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-04-05 11:56:21,783 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-04-05 11:56:21,785 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-04-05 11:56:21,786 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-04-05 11:56:21,787 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-04-05 11:56:21,787 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-04-05 11:56:21,788 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-04-05 11:56:21,789 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-04-05 11:56:21,790 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-04-05 11:56:21,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-04-05 11:56:21,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-04-05 11:56:21,794 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-04-05 11:56:21,796 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-04-05 11:56:21,798 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-04-05 11:56:21,799 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-04-05 11:56:21,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-04-05 11:56:21,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-04-05 11:56:21,811 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-04-05 11:56:21,812 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-04-05 11:56:21,813 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-04-05 11:56:21,813 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/trunk/examples/settings/reqanalyzer/reqanalyzer-nonlin.epf [2019-04-05 11:56:21,831 INFO L110 SettingsManager]: Loading preferences was successful [2019-04-05 11:56:21,831 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-04-05 11:56:21,833 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-04-05 11:56:21,834 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2019-04-05 11:56:21,834 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-05 11:56:21,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2019-04-05 11:56:21,834 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-04-05 11:56:21,834 INFO L133 SettingsManager]: * Trace refinement exception blacklist=UNKNOWN [2019-04-05 11:56:21,835 INFO L133 SettingsManager]: * Stop after first violation was found=false [2019-04-05 11:56:21,835 INFO L133 SettingsManager]: * Compute statistics for interpolant sequences=false [2019-04-05 11:56:21,835 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2019-04-05 11:56:21,835 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-05 11:56:21,835 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 11:56:21,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-04-05 11:56:21,894 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-04-05 11:56:21,898 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-04-05 11:56:21,899 INFO L271 PluginConnector]: Initializing ReqParser... [2019-04-05 11:56:21,900 INFO L276 PluginConnector]: ReqParser initialized [2019-04-05 11:56:21,901 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/re2019-exp/Evehicle_extended.new.req [2019-04-05 11:56:21,901 INFO L94 ReqParser]: Parsing file /storage/repos/re2019-exp/Evehicle_extended.new.req [2019-04-05 11:56:21,972 INFO L134 ReqParser]: 139 requirements (81 non-initialization) in total [2019-04-05 11:56:21,980 INFO L134 ReqParser]: 139 requirements (81 non-initialization) after unification [2019-04-05 11:56:21,986 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-04-05 11:56:21,987 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-04-05 11:56:21,988 INFO L113 PluginConnector]: ------------------------PEA to Boogie---------------------------- [2019-04-05 11:56:21,988 INFO L271 PluginConnector]: Initializing PEA to Boogie... [2019-04-05 11:56:21,988 INFO L276 PluginConnector]: PEA to Boogie initialized [2019-04-05 11:56:21,990 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 11:56:21,998 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 11:56:22,010 INFO L59 ReqToPEA]: Transforming 81 requirements to PEAs [2019-04-05 11:56:22,047 INFO L87 ReqToPEA]: Following types of requirements were processed [2019-04-05 11:56:22,048 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.InvariantPattern : 32 [2019-04-05 11:56:22,048 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.InstAbsPattern : 30 [2019-04-05 11:56:22,048 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.BndResponsePatternUT : 3 [2019-04-05 11:56:22,048 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.UniversalityPattern : 16 [2019-04-05 11:56:22,049 INFO L92 ReqToPEA]: Finished transforming 81 requirements to PEAs No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-04-05 11:56:23,638 WARN L188 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 161 DAG size of output: 139 [2019-04-05 11:56:23,639 INFO L154 cyConditionGenerator]: Finished generating primed state invariant of size 139 [2019-04-05 11:56:23,660 WARN L496 Req2BoogieTranslator]: phase without clock or state invariant for ID069: Globally, it is always the case that if "(!x0006 && (!x0012 && !x0026))" holds, then "!x0006" holds after at most "1" time units [2019-04-05 11:56:23,666 INFO L769 Req2BoogieTranslator]: 77 of 81 requirements are invariant [2019-04-05 11:56:23,668 INFO L786 Req2BoogieTranslator]: Computing rt-inconsistency assertions for 6 subsets [2019-04-05 11:56:39,168 INFO L284 cyConditionGenerator]: 6 checks, 6 trivial consistent, 0 non-trivial [2019-04-05 11:56:39,169 INFO L290 cyConditionGenerator]: Of 45 formulas, 0 were quantified, 45 were plain. Needed 18 quantifier elimination runs, 0 quantified solver queries. [2019-04-05 11:56:39,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:39 Unit [2019-04-05 11:56:39,179 INFO L132 PluginConnector]: ------------------------ END PEA to Boogie---------------------------- [2019-04-05 11:56:39,179 INFO L113 PluginConnector]: ------------------------Boogie Printer---------------------------- [2019-04-05 11:56:39,180 INFO L271 PluginConnector]: Initializing Boogie Printer... [2019-04-05 11:56:39,180 INFO L276 PluginConnector]: Boogie Printer initialized [2019-04-05 11:56:39,181 INFO L185 PluginConnector]: Executing the observer BoogiePrinterObserver from plugin Boogie Printer for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:39" (1/1) ... [2019-04-05 11:56:39,181 INFO L116 oogiePrinterObserver]: File already exists and will be overwritten: /tmp/boogiePrinter.bpl [2019-04-05 11:56:39,182 INFO L120 oogiePrinterObserver]: Writing to file /tmp/boogiePrinter.bpl [2019-04-05 11:56:39,192 INFO L132 PluginConnector]: ------------------------ END Boogie Printer---------------------------- [2019-04-05 11:56:39,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-04-05 11:56:39,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-04-05 11:56:39,193 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-04-05 11:56:39,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:39" (1/1) ... [2019-04-05 11:56:39,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:39" (1/1) ... [2019-04-05 11:56:39,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:39" (1/1) ... [2019-04-05 11:56:39,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:39" (1/1) ... [2019-04-05 11:56:39,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:39" (1/1) ... [2019-04-05 11:56:39,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:39" (1/1) ... [2019-04-05 11:56:39,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:39" (1/1) ... [2019-04-05 11:56:39,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-04-05 11:56:39,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-04-05 11:56:39,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-04-05 11:56:39,283 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-04-05 11:56:39,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:39" (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 11:56:39,299 INFO L124 BoogieDeclarations]: Specification and implementation of procedure myProcedure given in one single declaration [2019-04-05 11:56:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure myProcedure [2019-04-05 11:56:39,300 INFO L138 BoogieDeclarations]: Found implementation of procedure myProcedure [2019-04-05 11:56:43,508 INFO L278 CfgBuilder]: Using library mode [2019-04-05 11:56:43,508 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-04-05 11:56:43,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 11:56:43 BoogieIcfgContainer [2019-04-05 11:56:43,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-04-05 11:56:43,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-04-05 11:56:43,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-04-05 11:56:43,516 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-04-05 11:56:43,517 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 11:56:43,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643878f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 05.04 11:56:43, skipping insertion in model container [2019-04-05 11:56:43,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:56:39" (2/3) ... [2019-04-05 11:56:43,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643878f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 11:56:43, skipping insertion in model container [2019-04-05 11:56:43,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 11:56:43" (3/3) ... [2019-04-05 11:56:43,521 INFO L112 eAbstractionObserver]: Analyzing ICFG [2019-04-05 11:56:43,532 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-04-05 11:56:43,537 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-04-05 11:56:43,555 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:43,578 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:43,578 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:43,578 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:43,578 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:43,578 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:43,578 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:43,579 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:43,579 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr2ASSERT_VIOLATIONVACUOUSforID075======== [2019-04-05 11:56:43,591 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-04-05 11:56:43,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-04-05 11:56:43,598 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:43,599 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-04-05 11:56:43,600 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr2ASSERT_VIOLATIONVACUOUSforID075]=== [2019-04-05 11:56:43,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:43,605 INFO L82 PathProgramCache]: Analyzing trace with hash 93912203, now seen corresponding path program 1 times [2019-04-05 11:56:43,607 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:43,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:43,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:43,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:43,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:43,772 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:43,781 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr2ASSERT_VIOLATIONVACUOUSforID075 was UNSAFE (1/5) [2019-04-05 11:56:43,785 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:43,785 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:43,786 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:43,786 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:43,786 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:43,786 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:43,786 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:43,786 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:43,786 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr1ASSERT_VIOLATIONVACUOUSforID070======== [2019-04-05 11:56:43,787 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-04-05 11:56:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-04-05 11:56:43,787 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:43,789 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-04-05 11:56:43,789 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr1ASSERT_VIOLATIONVACUOUSforID070]=== [2019-04-05 11:56:43,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:43,789 INFO L82 PathProgramCache]: Analyzing trace with hash 3029408, now seen corresponding path program 1 times [2019-04-05 11:56:43,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:43,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:43,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:43,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:43,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:43,853 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:43,853 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr1ASSERT_VIOLATIONVACUOUSforID070 was UNSAFE (2/5) [2019-04-05 11:56:43,854 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:43,855 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:43,855 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:43,855 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:43,855 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:43,855 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:43,855 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:43,855 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:43,856 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr4ASSERT_VIOLATIONCONSISTENCYforallrequirements======== [2019-04-05 11:56:43,856 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-04-05 11:56:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-04-05 11:56:43,857 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:43,857 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-04-05 11:56:43,857 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr4ASSERT_VIOLATIONCONSISTENCYforallrequirements]=== [2019-04-05 11:56:43,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:43,858 INFO L82 PathProgramCache]: Analyzing trace with hash 55331693, now seen corresponding path program 1 times [2019-04-05 11:56:43,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:43,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:43,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:43,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:43,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:43,910 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:43,910 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr4ASSERT_VIOLATIONCONSISTENCYforallrequirements was UNSAFE (3/5) [2019-04-05 11:56:43,916 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:43,917 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:43,917 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:43,917 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:43,917 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:43,917 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:43,917 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:43,917 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:43,918 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr0ASSERT_VIOLATIONVACUOUSforID076======== [2019-04-05 11:56:43,918 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-04-05 11:56:43,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-04-05 11:56:43,919 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:43,919 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-04-05 11:56:43,919 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr0ASSERT_VIOLATIONVACUOUSforID076]=== [2019-04-05 11:56:43,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:43,920 INFO L82 PathProgramCache]: Analyzing trace with hash 97705, now seen corresponding path program 1 times [2019-04-05 11:56:43,920 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:43,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:43,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:43,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:43,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:43,951 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:43,952 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr0ASSERT_VIOLATIONVACUOUSforID076 was UNSAFE (4/5) [2019-04-05 11:56:43,953 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:56:43,953 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:56:43,954 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:56:43,954 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:56:43,954 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:56:43,954 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:56:43,954 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:56:43,954 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:56:43,954 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr3ASSERT_VIOLATIONVACUOUSforID078======== [2019-04-05 11:56:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-04-05 11:56:43,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-04-05 11:56:43,958 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:56:43,958 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-04-05 11:56:43,958 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr3ASSERT_VIOLATIONVACUOUSforID078]=== [2019-04-05 11:56:43,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:56:43,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1383688446, now seen corresponding path program 1 times [2019-04-05 11:56:43,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:56:43,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:56:43,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:43,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:56:43,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:56:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:56:43,999 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:56:44,000 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr3ASSERT_VIOLATIONVACUOUSforID078 was UNSAFE (5/5) [2019-04-05 11:56:44,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 11:56:44 BoogieIcfgContainer [2019-04-05 11:56:44,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-04-05 11:56:44,002 INFO L168 Benchmark]: Toolchain (without parser) took 22015.56 ms. Allocated memory was 141.0 MB in the beginning and 666.4 MB in the end (delta: 525.3 MB). Free memory was 106.7 MB in the beginning and 355.8 MB in the end (delta: -249.2 MB). Peak memory consumption was 276.2 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:44,004 INFO L168 Benchmark]: ReqParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-04-05 11:56:44,004 INFO L168 Benchmark]: PEA to Boogie took 17191.37 ms. Allocated memory was 141.0 MB in the beginning and 613.9 MB in the end (delta: 472.9 MB). Free memory was 106.7 MB in the beginning and 433.4 MB in the end (delta: -326.7 MB). Peak memory consumption was 521.0 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:44,006 INFO L168 Benchmark]: Boogie Printer took 13.05 ms. Allocated memory is still 613.9 MB. Free memory is still 433.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-04-05 11:56:44,006 INFO L168 Benchmark]: Boogie Preprocessor took 89.22 ms. Allocated memory is still 613.9 MB. Free memory is still 433.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-04-05 11:56:44,007 INFO L168 Benchmark]: RCFGBuilder took 4227.25 ms. Allocated memory was 613.9 MB in the beginning and 666.4 MB in the end (delta: 52.4 MB). Free memory was 433.4 MB in the beginning and 390.2 MB in the end (delta: 43.2 MB). Peak memory consumption was 382.5 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:44,008 INFO L168 Benchmark]: TraceAbstraction took 490.83 ms. Allocated memory is still 666.4 MB. Free memory was 390.2 MB in the beginning and 355.8 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. [2019-04-05 11:56:44,014 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 141.0 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * PEA to Boogie took 17191.37 ms. Allocated memory was 141.0 MB in the beginning and 613.9 MB in the end (delta: 472.9 MB). Free memory was 106.7 MB in the beginning and 433.4 MB in the end (delta: -326.7 MB). Peak memory consumption was 521.0 MB. Max. memory is 7.1 GB. * Boogie Printer took 13.05 ms. Allocated memory is still 613.9 MB. Free memory is still 433.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.22 ms. Allocated memory is still 613.9 MB. Free memory is still 433.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4227.25 ms. Allocated memory was 613.9 MB in the beginning and 666.4 MB in the end (delta: 52.4 MB). Free memory was 433.4 MB in the beginning and 390.2 MB in the end (delta: 43.2 MB). Peak memory consumption was 382.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 490.83 ms. Allocated memory is still 666.4 MB. Free memory was 390.2 MB in the beginning and 355.8 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ReqCheckSuccessResult [Line: -1]: Requirement ID075 is non-vacuous Requirement ID075 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr2ASSERT_VIOLATIONVACUOUSforID075 CFG has 1 procedures, 13 locations, 5 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 ID070 is non-vacuous Requirement ID070 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr1ASSERT_VIOLATIONVACUOUSforID070 CFG has 1 procedures, 13 locations, 5 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - ReqCheckSuccessResult [UNKNOWN] : All requirements are consistent All requirements are consistent - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr4ASSERT_VIOLATIONCONSISTENCYforallrequirements CFG has 1 procedures, 13 locations, 5 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - ReqCheckSuccessResult [Line: -1]: Requirement ID076 is non-vacuous Requirement ID076 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr0ASSERT_VIOLATIONVACUOUSforID076 CFG has 1 procedures, 13 locations, 5 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - ReqCheckSuccessResult [Line: -1]: Requirement ID078 is non-vacuous Requirement ID078 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr3ASSERT_VIOLATIONVACUOUSforID078 CFG has 1 procedures, 13 locations, 5 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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...