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/PCU_B_sample_2.new.req -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a613b84 [2019-04-05 11:56:22,061 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-04-05 11:56:22,063 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-04-05 11:56:22,074 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-04-05 11:56:22,075 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-04-05 11:56:22,076 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-04-05 11:56:22,077 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-04-05 11:56:22,079 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-04-05 11:56:22,081 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-04-05 11:56:22,082 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-04-05 11:56:22,083 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-04-05 11:56:22,083 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-04-05 11:56:22,085 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-04-05 11:56:22,086 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-04-05 11:56:22,087 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-04-05 11:56:22,088 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-04-05 11:56:22,089 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-04-05 11:56:22,091 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-04-05 11:56:22,093 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-04-05 11:56:22,094 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-04-05 11:56:22,096 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-04-05 11:56:22,097 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-04-05 11:56:22,100 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-04-05 11:56:22,103 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-04-05 11:56:22,104 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-04-05 11:56:22,105 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-04-05 11:56:22,106 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-04-05 11:56:22,107 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-04-05 11:56:22,107 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-04-05 11:56:22,108 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-04-05 11:56:22,108 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-04-05 11:56:22,109 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-04-05 11:56:22,110 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-04-05 11:56:22,110 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-04-05 11:56:22,111 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/trunk/examples/settings/reqanalyzer/reqanalyzer-nonlin.epf [2019-04-05 11:56:22,120 INFO L110 SettingsManager]: Loading preferences was successful [2019-04-05 11:56:22,120 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-04-05 11:56:22,122 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-04-05 11:56:22,122 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2019-04-05 11:56:22,122 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-05 11:56:22,122 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2019-04-05 11:56:22,123 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-04-05 11:56:22,123 INFO L133 SettingsManager]: * Trace refinement exception blacklist=UNKNOWN [2019-04-05 11:56:22,123 INFO L133 SettingsManager]: * Stop after first violation was found=false [2019-04-05 11:56:22,123 INFO L133 SettingsManager]: * Compute statistics for interpolant sequences=false [2019-04-05 11:56:22,123 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2019-04-05 11:56:22,124 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-05 11:56:22,124 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 11:56:22,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-04-05 11:56:22,168 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-04-05 11:56:22,171 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-04-05 11:56:22,173 INFO L271 PluginConnector]: Initializing ReqParser... [2019-04-05 11:56:22,174 INFO L276 PluginConnector]: ReqParser initialized [2019-04-05 11:56:22,175 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/re2019-exp/PCU_B_sample_2.new.req [2019-04-05 11:56:22,175 INFO L94 ReqParser]: Parsing file /storage/repos/re2019-exp/PCU_B_sample_2.new.req [2019-04-05 11:56:22,229 INFO L134 ReqParser]: 46 requirements (24 non-initialization) in total [2019-04-05 11:56:22,236 WARN L69 ReqParserResultUtil]: The following requirements have been merged because they are equivalent: ID019, ID018 [2019-04-05 11:56:22,238 INFO L134 ReqParser]: 45 requirements (23 non-initialization) after unification [2019-04-05 11:56:22,243 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-04-05 11:56:22,245 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-04-05 11:56:22,246 INFO L113 PluginConnector]: ------------------------PEA to Boogie---------------------------- [2019-04-05 11:56:22,246 INFO L271 PluginConnector]: Initializing PEA to Boogie... [2019-04-05 11:56:22,246 INFO L276 PluginConnector]: PEA to Boogie initialized [2019-04-05 11:56:22,248 INFO L185 PluginConnector]: Executing the observer PEAtoBoogieObserver from plugin PEA to Boogie for "de.uni_freiburg.informatik.ultimate.reqparser OTHER 05.04 11:56:22" (1/1) ... [2019-04-05 11:56:22,257 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 11:56:22,272 INFO L59 ReqToPEA]: Transforming 23 requirements to PEAs [2019-04-05 11:56:22,309 INFO L87 ReqToPEA]: Following types of requirements were processed [2019-04-05 11:56:22,310 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.BndResponsePatternUT : 10 [2019-04-05 11:56:22,310 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.InvariantPattern : 10 [2019-04-05 11:56:22,310 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.InstAbsPattern : 3 [2019-04-05 11:56:22,311 INFO L92 ReqToPEA]: Finished transforming 23 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 11:56:22,968 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2019-04-05 11:56:22,969 INFO L154 cyConditionGenerator]: Finished generating primed state invariant of size 50 [2019-04-05 11:56:22,994 INFO L769 Req2BoogieTranslator]: 13 of 23 requirements are invariant [2019-04-05 11:56:22,995 INFO L786 Req2BoogieTranslator]: Computing rt-inconsistency assertions for 45 subsets [2019-04-05 11:57:22,970 INFO L284 cyConditionGenerator]: 45 checks, 44 trivial consistent, 1 non-trivial [2019-04-05 11:57:22,971 INFO L290 cyConditionGenerator]: Of 405 formulas, 0 were quantified, 405 were plain. Needed 180 quantifier elimination runs, 0 quantified solver queries. [2019-04-05 11:57:22,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:57:22 Unit [2019-04-05 11:57:22,981 INFO L132 PluginConnector]: ------------------------ END PEA to Boogie---------------------------- [2019-04-05 11:57:22,982 INFO L113 PluginConnector]: ------------------------Boogie Printer---------------------------- [2019-04-05 11:57:22,982 INFO L271 PluginConnector]: Initializing Boogie Printer... [2019-04-05 11:57:22,982 INFO L276 PluginConnector]: Boogie Printer initialized [2019-04-05 11:57:22,983 INFO L185 PluginConnector]: Executing the observer BoogiePrinterObserver from plugin Boogie Printer for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:57:22" (1/1) ... [2019-04-05 11:57:22,983 INFO L116 oogiePrinterObserver]: File already exists and will be overwritten: /tmp/boogiePrinter.bpl [2019-04-05 11:57:22,984 INFO L120 oogiePrinterObserver]: Writing to file /tmp/boogiePrinter.bpl [2019-04-05 11:57:22,993 INFO L132 PluginConnector]: ------------------------ END Boogie Printer---------------------------- [2019-04-05 11:57:22,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-04-05 11:57:22,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-04-05 11:57:22,994 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-04-05 11:57:23,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:57:22" (1/1) ... [2019-04-05 11:57:23,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:57:22" (1/1) ... [2019-04-05 11:57:23,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:57:22" (1/1) ... [2019-04-05 11:57:23,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:57:22" (1/1) ... [2019-04-05 11:57:23,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:57:22" (1/1) ... [2019-04-05 11:57:23,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:57:22" (1/1) ... [2019-04-05 11:57:23,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:57:22" (1/1) ... [2019-04-05 11:57:23,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-04-05 11:57:23,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-04-05 11:57:23,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-04-05 11:57:23,061 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-04-05 11:57:23,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:57:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2019-04-05 11:57:23,100 INFO L124 BoogieDeclarations]: Specification and implementation of procedure myProcedure given in one single declaration [2019-04-05 11:57:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure myProcedure [2019-04-05 11:57:23,100 INFO L138 BoogieDeclarations]: Found implementation of procedure myProcedure [2019-04-05 11:57:25,777 INFO L278 CfgBuilder]: Using library mode [2019-04-05 11:57:25,779 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-04-05 11:57:25,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 11:57:25 BoogieIcfgContainer [2019-04-05 11:57:25,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-04-05 11:57:25,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-04-05 11:57:25,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-04-05 11:57:25,792 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-04-05 11:57:25,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.reqparser OTHER 05.04 11:56:22" (1/3) ... [2019-04-05 11:57:25,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2ba49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 05.04 11:57:25, skipping insertion in model container [2019-04-05 11:57:25,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 05.04 11:57:22" (2/3) ... [2019-04-05 11:57:25,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2ba49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 11:57:25, skipping insertion in model container [2019-04-05 11:57:25,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 11:57:25" (3/3) ... [2019-04-05 11:57:25,796 INFO L112 eAbstractionObserver]: Analyzing ICFG [2019-04-05 11:57:25,805 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-04-05 11:57:25,810 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2019-04-05 11:57:25,823 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:57:25,843 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:57:25,843 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:57:25,843 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:57:25,843 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:57:25,844 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:57:25,844 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:57:25,844 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:57:25,844 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr1ASSERT_VIOLATIONVACUOUSforID017======== [2019-04-05 11:57:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-05 11:57:25,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-04-05 11:57:25,864 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:25,865 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-04-05 11:57:25,866 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr1ASSERT_VIOLATIONVACUOUSforID017]=== [2019-04-05 11:57:25,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:25,871 INFO L82 PathProgramCache]: Analyzing trace with hash 2102789, now seen corresponding path program 1 times [2019-04-05 11:57:25,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:25,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:25,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:25,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:25,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:57:25,995 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:57:26,003 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr1ASSERT_VIOLATIONVACUOUSforID017 was UNSAFE (1/12) [2019-04-05 11:57:26,005 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:57:26,005 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:57:26,006 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:57:26,006 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:57:26,006 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:57:26,006 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:57:26,006 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:57:26,006 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:57:26,006 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr2ASSERT_VIOLATIONVACUOUSforID015======== [2019-04-05 11:57:26,009 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-05 11:57:26,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-04-05 11:57:26,010 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:26,010 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-04-05 11:57:26,010 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr2ASSERT_VIOLATIONVACUOUSforID015]=== [2019-04-05 11:57:26,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:26,011 INFO L82 PathProgramCache]: Analyzing trace with hash 65186737, now seen corresponding path program 1 times [2019-04-05 11:57:26,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:26,011 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:26,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:26,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:26,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:57:26,048 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:57:26,049 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr2ASSERT_VIOLATIONVACUOUSforID015 was UNSAFE (2/12) [2019-04-05 11:57:26,050 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:57:26,050 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:57:26,050 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:57:26,051 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:57:26,051 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:57:26,051 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:57:26,051 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:57:26,051 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:57:26,051 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr9ASSERT_VIOLATIONVACUOUSforID023======== [2019-04-05 11:57:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-05 11:57:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-04-05 11:57:26,053 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:26,053 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-05 11:57:26,054 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr9ASSERT_VIOLATIONVACUOUSforID023]=== [2019-04-05 11:57:26,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:26,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1119280141, now seen corresponding path program 1 times [2019-04-05 11:57:26,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:26,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:26,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:26,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:26,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:57:26,096 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:57:26,097 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr9ASSERT_VIOLATIONVACUOUSforID023 was UNSAFE (3/12) [2019-04-05 11:57:26,097 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:57:26,098 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:57:26,098 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:57:26,098 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:57:26,098 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:57:26,098 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:57:26,099 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:57:26,099 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:57:26,099 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr6ASSERT_VIOLATIONVACUOUSforID012======== [2019-04-05 11:57:26,100 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-05 11:57:26,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-04-05 11:57:26,101 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:26,101 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-05 11:57:26,101 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr6ASSERT_VIOLATIONVACUOUSforID012]=== [2019-04-05 11:57:26,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:26,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1227425483, now seen corresponding path program 1 times [2019-04-05 11:57:26,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:26,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:26,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:26,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:26,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:57:26,130 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:57:26,130 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr6ASSERT_VIOLATIONVACUOUSforID012 was UNSAFE (4/12) [2019-04-05 11:57:26,131 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:57:26,132 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:57:26,132 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:57:26,132 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:57:26,132 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:57:26,132 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:57:26,132 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:57:26,132 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:57:26,133 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr7ASSERT_VIOLATIONVACUOUSforID021======== [2019-04-05 11:57:26,134 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-05 11:57:26,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-04-05 11:57:26,134 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:26,135 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-05 11:57:26,135 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr7ASSERT_VIOLATIONVACUOUSforID021]=== [2019-04-05 11:57:26,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:26,135 INFO L82 PathProgramCache]: Analyzing trace with hash 604515979, now seen corresponding path program 1 times [2019-04-05 11:57:26,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:26,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:26,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:26,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:26,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:57:26,185 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:57:26,186 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr7ASSERT_VIOLATIONVACUOUSforID021 was UNSAFE (5/12) [2019-04-05 11:57:26,186 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:57:26,187 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:57:26,187 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:57:26,187 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:57:26,187 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:57:26,187 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:57:26,187 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:57:26,188 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:57:26,188 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr11ASSERT_VIOLATIONCONSISTENCYforallrequirements======== [2019-04-05 11:57:26,189 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-05 11:57:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-04-05 11:57:26,190 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:26,190 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-05 11:57:26,190 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr11ASSERT_VIOLATIONCONSISTENCYforallrequirements]=== [2019-04-05 11:57:26,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:26,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1886400911, now seen corresponding path program 1 times [2019-04-05 11:57:26,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:26,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:26,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:26,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:26,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:57:26,226 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:57:26,232 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr11ASSERT_VIOLATIONCONSISTENCYforallrequirements was UNSAFE (6/12) [2019-04-05 11:57:26,233 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:57:26,233 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:57:26,233 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:57:26,234 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:57:26,234 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:57:26,234 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:57:26,234 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:57:26,234 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:57:26,234 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID015_ID013======== [2019-04-05 11:57:26,237 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-05 11:57:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-04-05 11:57:26,238 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:26,238 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-04-05 11:57:26,238 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID015_ID013]=== [2019-04-05 11:57:26,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:26,239 INFO L82 PathProgramCache]: Analyzing trace with hash 67823, now seen corresponding path program 1 times [2019-04-05 11:57:26,239 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:26,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:26,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:26,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:26,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-05 11:57:26,497 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-04-05 11:57:26,840 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 15 [2019-04-05 11:57:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-04-05 11:57:26,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-04-05 11:57:26,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-04-05 11:57:26,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-04-05 11:57:26,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-04-05 11:57:26,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-04-05 11:57:26,858 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2019-04-05 11:57:27,426 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2019-04-05 11:57:27,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-04-05 11:57:27,463 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2019-04-05 11:57:27,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-04-05 11:57:27,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-04-05 11:57:27,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-04-05 11:57:27,477 INFO L225 Difference]: With dead ends: 52 [2019-04-05 11:57:27,477 INFO L226 Difference]: Without dead ends: 28 [2019-04-05 11:57:27,478 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-04-05 11:57:27,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-04-05 11:57:27,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 17. [2019-04-05 11:57:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-04-05 11:57:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2019-04-05 11:57:27,509 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 3 [2019-04-05 11:57:27,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-04-05 11:57:27,510 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2019-04-05 11:57:27,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-04-05 11:57:27,510 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2019-04-05 11:57:27,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-04-05 11:57:27,511 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:27,511 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-05 11:57:27,511 INFO L423 AbstractCegarLoop]: === Iteration 2 === [myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID015_ID013]=== [2019-04-05 11:57:27,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:27,512 INFO L82 PathProgramCache]: Analyzing trace with hash 356036190, now seen corresponding path program 1 times [2019-04-05 11:57:27,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:27,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:27,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:27,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:27,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-05 11:57:27,920 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2019-04-05 11:57:27,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-04-05 11:57:27,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-04-05 11:57:27,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-04-05 11:57:27,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-04-05 11:57:27,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-04-05 11:57:27,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-04-05 11:57:27,924 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 3 states. [2019-04-05 11:57:27,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-04-05 11:57:27,936 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-04-05 11:57:27,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-04-05 11:57:27,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-04-05 11:57:27,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-04-05 11:57:27,937 INFO L225 Difference]: With dead ends: 16 [2019-04-05 11:57:27,937 INFO L226 Difference]: Without dead ends: 0 [2019-04-05 11:57:27,937 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-04-05 11:57:27,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-04-05 11:57:27,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-04-05 11:57:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-04-05 11:57:27,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-04-05 11:57:27,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2019-04-05 11:57:27,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-04-05 11:57:27,939 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-04-05 11:57:27,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-04-05 11:57:27,939 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-04-05 11:57:27,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-04-05 11:57:27,940 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID015_ID013 was SAFE (7/12) [2019-04-05 11:57:27,940 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:57:27,940 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:57:27,941 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:57:27,941 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:57:27,941 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:57:27,941 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:57:27,941 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:57:27,941 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:57:27,941 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr8ASSERT_VIOLATIONVACUOUSforID022======== [2019-04-05 11:57:27,942 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-05 11:57:27,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-04-05 11:57:27,943 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:27,943 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-05 11:57:27,944 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr8ASSERT_VIOLATIONVACUOUSforID022]=== [2019-04-05 11:57:27,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:27,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1560126455, now seen corresponding path program 1 times [2019-04-05 11:57:27,944 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:27,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:27,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:27,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:27,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:57:27,957 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:57:27,957 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr8ASSERT_VIOLATIONVACUOUSforID022 was UNSAFE (8/12) [2019-04-05 11:57:27,958 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:57:27,959 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:57:27,959 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:57:27,959 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:57:27,959 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:57:27,959 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:57:27,959 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:57:27,959 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:57:27,960 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr5ASSERT_VIOLATIONVACUOUSforID013======== [2019-04-05 11:57:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-05 11:57:27,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-04-05 11:57:27,961 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:27,961 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-04-05 11:57:27,961 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr5ASSERT_VIOLATIONVACUOUSforID013]=== [2019-04-05 11:57:27,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:27,962 INFO L82 PathProgramCache]: Analyzing trace with hash 653142281, now seen corresponding path program 1 times [2019-04-05 11:57:27,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:27,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:27,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:27,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:27,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:57:27,973 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:57:27,974 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr5ASSERT_VIOLATIONVACUOUSforID013 was UNSAFE (9/12) [2019-04-05 11:57:27,975 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:57:27,975 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:57:27,975 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:57:27,975 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:57:27,975 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:57:27,976 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:57:27,976 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:57:27,976 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:57:27,976 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr3ASSERT_VIOLATIONVACUOUSforID006======== [2019-04-05 11:57:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-05 11:57:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-04-05 11:57:27,977 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:27,977 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-04-05 11:57:27,978 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr3ASSERT_VIOLATIONVACUOUSforID006]=== [2019-04-05 11:57:27,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:27,978 INFO L82 PathProgramCache]: Analyzing trace with hash 2020789127, now seen corresponding path program 1 times [2019-04-05 11:57:27,978 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:27,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:27,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:27,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:27,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:57:27,989 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:57:27,989 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr3ASSERT_VIOLATIONVACUOUSforID006 was UNSAFE (10/12) [2019-04-05 11:57:27,990 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:57:27,990 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:57:27,991 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:57:27,991 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:57:27,991 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:57:27,991 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:57:27,991 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:57:27,991 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:57:27,991 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr10ASSERT_VIOLATIONVACUOUSforID014======== [2019-04-05 11:57:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-05 11:57:27,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-04-05 11:57:27,993 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:27,993 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-05 11:57:27,993 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr10ASSERT_VIOLATIONVACUOUSforID014]=== [2019-04-05 11:57:27,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:27,994 INFO L82 PathProgramCache]: Analyzing trace with hash 337946297, now seen corresponding path program 1 times [2019-04-05 11:57:27,994 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:27,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:27,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:27,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:27,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:57:28,005 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:57:28,006 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr10ASSERT_VIOLATIONVACUOUSforID014 was UNSAFE (11/12) [2019-04-05 11:57:28,007 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-05 11:57:28,007 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-05 11:57:28,007 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-05 11:57:28,007 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-05 11:57:28,007 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-05 11:57:28,008 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-05 11:57:28,008 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-05 11:57:28,008 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-05 11:57:28,008 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr4ASSERT_VIOLATIONVACUOUSforID016======== [2019-04-05 11:57:28,009 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-05 11:57:28,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-04-05 11:57:28,009 INFO L394 BasicCegarLoop]: Found error trace [2019-04-05 11:57:28,009 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-04-05 11:57:28,010 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr4ASSERT_VIOLATIONVACUOUSforID016]=== [2019-04-05 11:57:28,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-05 11:57:28,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1780046221, now seen corresponding path program 1 times [2019-04-05 11:57:28,010 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-05 11:57:28,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-05 11:57:28,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:28,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-05 11:57:28,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-05 11:57:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-05 11:57:28,021 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-05 11:57:28,022 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr4ASSERT_VIOLATIONVACUOUSforID016 was UNSAFE (12/12) [2019-04-05 11:57:28,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 11:57:28 BoogieIcfgContainer [2019-04-05 11:57:28,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-04-05 11:57:28,024 INFO L168 Benchmark]: Toolchain (without parser) took 65779.85 ms. Allocated memory was 106.4 MB in the beginning and 815.3 MB in the end (delta: 708.8 MB). Free memory was 76.1 MB in the beginning and 392.3 MB in the end (delta: -316.2 MB). Peak memory consumption was 392.6 MB. Max. memory is 7.1 GB. [2019-04-05 11:57:28,025 INFO L168 Benchmark]: ReqParser took 0.22 ms. Allocated memory is still 106.4 MB. Free memory was 78.6 MB in the beginning and 78.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-04-05 11:57:28,026 INFO L168 Benchmark]: PEA to Boogie took 60735.65 ms. Allocated memory was 106.4 MB in the beginning and 797.4 MB in the end (delta: 691.0 MB). Free memory was 75.9 MB in the beginning and 68.5 MB in the end (delta: 7.4 MB). Peak memory consumption was 718.8 MB. Max. memory is 7.1 GB. [2019-04-05 11:57:28,027 INFO L168 Benchmark]: Boogie Printer took 12.14 ms. Allocated memory is still 797.4 MB. Free memory was 68.5 MB in the beginning and 54.0 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-04-05 11:57:28,028 INFO L168 Benchmark]: Boogie Preprocessor took 66.20 ms. Allocated memory is still 797.4 MB. Free memory is still 54.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-04-05 11:57:28,029 INFO L168 Benchmark]: RCFGBuilder took 2719.71 ms. Allocated memory was 797.4 MB in the beginning and 815.3 MB in the end (delta: 17.8 MB). Free memory was 54.0 MB in the beginning and 495.4 MB in the end (delta: -441.4 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-04-05 11:57:28,030 INFO L168 Benchmark]: TraceAbstraction took 2241.73 ms. Allocated memory is still 815.3 MB. Free memory was 495.4 MB in the beginning and 392.3 MB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. [2019-04-05 11:57:28,035 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * ReqParser took 0.22 ms. Allocated memory is still 106.4 MB. Free memory was 78.6 MB in the beginning and 78.4 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 60735.65 ms. Allocated memory was 106.4 MB in the beginning and 797.4 MB in the end (delta: 691.0 MB). Free memory was 75.9 MB in the beginning and 68.5 MB in the end (delta: 7.4 MB). Peak memory consumption was 718.8 MB. Max. memory is 7.1 GB. * Boogie Printer took 12.14 ms. Allocated memory is still 797.4 MB. Free memory was 68.5 MB in the beginning and 54.0 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.20 ms. Allocated memory is still 797.4 MB. Free memory is still 54.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 2719.71 ms. Allocated memory was 797.4 MB in the beginning and 815.3 MB in the end (delta: 17.8 MB). Free memory was 54.0 MB in the beginning and 495.4 MB in the end (delta: -441.4 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2241.73 ms. Allocated memory is still 815.3 MB. Free memory was 495.4 MB in the beginning and 392.3 MB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ReqCheckSuccessResult [Line: -1]: Requirement ID017 is non-vacuous Requirement ID017 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr1ASSERT_VIOLATIONVACUOUSforID017 CFG has 1 procedures, 27 locations, 12 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=27occurred 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 ID015 is non-vacuous Requirement ID015 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr2ASSERT_VIOLATIONVACUOUSforID015 CFG has 1 procedures, 27 locations, 12 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=27occurred 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 ID023 is non-vacuous Requirement ID023 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr9ASSERT_VIOLATIONVACUOUSforID023 CFG has 1 procedures, 27 locations, 12 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=27occurred 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, 12 NumberOfCodeBlocks, 12 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 ID012 is non-vacuous Requirement ID012 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr6ASSERT_VIOLATIONVACUOUSforID012 CFG has 1 procedures, 27 locations, 12 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=27occurred 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, 9 NumberOfCodeBlocks, 9 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 ID021 is non-vacuous Requirement ID021 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr7ASSERT_VIOLATIONVACUOUSforID021 CFG has 1 procedures, 27 locations, 12 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=27occurred 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, 10 NumberOfCodeBlocks, 10 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: myProcedureErr11ASSERT_VIOLATIONCONSISTENCYforallrequirements CFG has 1 procedures, 27 locations, 12 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=27occurred 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, 14 NumberOfCodeBlocks, 14 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]: Requirements ID015, ID013 are rt-consistent Requirements ID015, ID013 are rt-consistent - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID015_ID013 CFG has 1 procedures, 27 locations, 12 error locations. SAFE Result, 1.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 57 SDslu, 42 SDs, 0 SdLazy, 18 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - ReqCheckSuccessResult [Line: -1]: Requirement ID022 is non-vacuous Requirement ID022 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr8ASSERT_VIOLATIONVACUOUSforID022 CFG has 1 procedures, 27 locations, 12 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=27occurred 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, 11 NumberOfCodeBlocks, 11 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 ID013 is non-vacuous Requirement ID013 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr5ASSERT_VIOLATIONVACUOUSforID013 CFG has 1 procedures, 27 locations, 12 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=27occurred 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, 8 NumberOfCodeBlocks, 8 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 ID006 is non-vacuous Requirement ID006 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr3ASSERT_VIOLATIONVACUOUSforID006 CFG has 1 procedures, 27 locations, 12 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=27occurred 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 ID014 is non-vacuous Requirement ID014 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr10ASSERT_VIOLATIONVACUOUSforID014 CFG has 1 procedures, 27 locations, 12 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=27occurred 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, 13 NumberOfCodeBlocks, 13 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 ID016 is non-vacuous Requirement ID016 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr4ASSERT_VIOLATIONVACUOUSforID016 CFG has 1 procedures, 27 locations, 12 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=27occurred 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 * Results from de.uni_freiburg.informatik.ultimate.reqparser: - MergedRequirementsResult: Merged ID019, ID018 The following requirements have been merged because they are equivalent: ID019, ID018 RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...