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 [2019-04-04 17:46:37,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-04-04 17:46:37,902 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-04-04 17:46:37,915 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-04-04 17:46:37,915 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-04-04 17:46:37,916 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-04-04 17:46:37,918 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-04-04 17:46:37,920 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-04-04 17:46:37,922 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-04-04 17:46:37,924 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-04-04 17:46:37,925 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-04-04 17:46:37,925 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-04-04 17:46:37,926 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-04-04 17:46:37,927 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-04-04 17:46:37,928 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-04-04 17:46:37,929 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-04-04 17:46:37,930 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-04-04 17:46:37,933 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-04-04 17:46:37,935 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-04-04 17:46:37,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-04-04 17:46:37,939 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-04-04 17:46:37,940 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-04-04 17:46:37,943 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-04-04 17:46:37,947 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-04-04 17:46:37,948 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-04-04 17:46:37,948 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-04-04 17:46:37,949 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-04-04 17:46:37,956 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-04-04 17:46:37,956 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-04-04 17:46:37,957 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-04-04 17:46:37,957 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-04-04 17:46:37,958 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-04-04 17:46:37,959 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-04-04 17:46:37,960 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-04-04 17:46:37,960 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/trunk/examples/settings/reqanalyzer/reqanalyzer-nonlin.epf [2019-04-04 17:46:37,982 INFO L110 SettingsManager]: Loading preferences was successful [2019-04-04 17:46:37,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-04-04 17:46:37,987 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-04-04 17:46:37,988 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2019-04-04 17:46:37,988 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-04 17:46:37,988 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2019-04-04 17:46:37,989 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-04-04 17:46:37,989 INFO L133 SettingsManager]: * Trace refinement exception blacklist=UNKNOWN [2019-04-04 17:46:37,989 INFO L133 SettingsManager]: * Stop after first violation was found=false [2019-04-04 17:46:37,991 INFO L133 SettingsManager]: * Compute statistics for interpolant sequences=false [2019-04-04 17:46:37,991 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2019-04-04 17:46:37,992 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-04 17:46:37,992 INFO L133 SettingsManager]: * Compute trace for counterexample result=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit analysis time -> 300 Applying setting for plugin de.uni_freiburg.informatik.ultimate.pea2boogie: Always use all invariants during rt-inconsistency checks -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.pea2boogie: Check vacuity -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.pea2boogie: Check consistency -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.pea2boogie: Check rt-inconsistency -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.pea2boogie: Report trivial rt-consistency -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.pea2boogie: Rt-inconsistency range -> 2 [2019-04-04 17:46:38,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-04-04 17:46:38,048 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-04-04 17:46:38,052 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-04-04 17:46:38,053 INFO L271 PluginConnector]: Initializing ReqParser... [2019-04-04 17:46:38,054 INFO L276 PluginConnector]: ReqParser initialized [2019-04-04 17:46:38,055 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/re2019-exp/PCU_B_sample_2.new.req [2019-04-04 17:46:38,055 INFO L94 ReqParser]: Parsing file /storage/repos/re2019-exp/PCU_B_sample_2.new.req [2019-04-04 17:46:38,114 INFO L134 ReqParser]: 46 requirements (24 non-initialization) in total [2019-04-04 17:46:38,129 WARN L69 ReqParserResultUtil]: The following requirements have been merged because they are equivalent: ID019, ID018 [2019-04-04 17:46:38,134 INFO L134 ReqParser]: 45 requirements (23 non-initialization) after unification [2019-04-04 17:46:38,147 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-04-04 17:46:38,149 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-04-04 17:46:38,150 INFO L113 PluginConnector]: ------------------------PEA to Boogie---------------------------- [2019-04-04 17:46:38,150 INFO L271 PluginConnector]: Initializing PEA to Boogie... [2019-04-04 17:46:38,150 INFO L276 PluginConnector]: PEA to Boogie initialized [2019-04-04 17:46:38,152 INFO L185 PluginConnector]: Executing the observer PEAtoBoogieObserver from plugin PEA to Boogie for "de.uni_freiburg.informatik.ultimate.reqparser OTHER 04.04 05:46:38" (1/1) ... [2019-04-04 17:46:38,161 INFO L157 Req2BoogieTranslator]: Check vacuity=true, Rt-inconsistency range=2, Check consistency=true, Report trivial rt-consistency=false, Always use all invariants during rt-inconsistency checks=true [2019-04-04 17:46:38,173 INFO L59 ReqToPEA]: Transforming 23 requirements to PEAs [2019-04-04 17:46:38,206 INFO L87 ReqToPEA]: Following types of requirements were processed [2019-04-04 17:46:38,206 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.BndResponsePatternUT : 10 [2019-04-04 17:46:38,207 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.InvariantPattern : 10 [2019-04-04 17:46:38,207 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.InstAbsPattern : 3 [2019-04-04 17:46:38,207 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 [2019-04-04 17:46:39,085 WARN L188 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2019-04-04 17:46:39,087 INFO L154 cyConditionGenerator]: Finished generating primed state invariant of size 50 [2019-04-04 17:46:39,107 INFO L769 Req2BoogieTranslator]: 13 of 23 requirements are invariant [2019-04-04 17:46:39,111 INFO L786 Req2BoogieTranslator]: Computing rt-inconsistency assertions for 45 subsets [2019-04-04 17:47:59,089 INFO L284 cyConditionGenerator]: 45 checks, 44 trivial consistent, 1 non-trivial [2019-04-04 17:47:59,089 INFO L290 cyConditionGenerator]: Of 405 formulas, 0 were quantified, 405 were plain. Needed 180 quantifier elimination runs, 0 quantified solver queries. [2019-04-04 17:47:59,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:47:59 Unit [2019-04-04 17:47:59,101 INFO L132 PluginConnector]: ------------------------ END PEA to Boogie---------------------------- [2019-04-04 17:47:59,102 INFO L113 PluginConnector]: ------------------------Boogie Printer---------------------------- [2019-04-04 17:47:59,102 INFO L271 PluginConnector]: Initializing Boogie Printer... [2019-04-04 17:47:59,102 INFO L276 PluginConnector]: Boogie Printer initialized [2019-04-04 17:47:59,103 INFO L185 PluginConnector]: Executing the observer BoogiePrinterObserver from plugin Boogie Printer for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:47:59" (1/1) ... [2019-04-04 17:47:59,104 INFO L116 oogiePrinterObserver]: File already exists and will be overwritten: /tmp/boogiePrinter.bpl [2019-04-04 17:47:59,104 INFO L120 oogiePrinterObserver]: Writing to file /tmp/boogiePrinter.bpl [2019-04-04 17:47:59,116 INFO L132 PluginConnector]: ------------------------ END Boogie Printer---------------------------- [2019-04-04 17:47:59,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-04-04 17:47:59,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-04-04 17:47:59,117 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-04-04 17:47:59,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:47:59" (1/1) ... [2019-04-04 17:47:59,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:47:59" (1/1) ... [2019-04-04 17:47:59,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:47:59" (1/1) ... [2019-04-04 17:47:59,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:47:59" (1/1) ... [2019-04-04 17:47:59,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:47:59" (1/1) ... [2019-04-04 17:47:59,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:47:59" (1/1) ... [2019-04-04 17:47:59,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:47:59" (1/1) ... [2019-04-04 17:47:59,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-04-04 17:47:59,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-04-04 17:47:59,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-04-04 17:47:59,181 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-04-04 17:47:59,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:47:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2019-04-04 17:47:59,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure myProcedure given in one single declaration [2019-04-04 17:47:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure myProcedure [2019-04-04 17:47:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure myProcedure [2019-04-04 17:48:01,367 INFO L278 CfgBuilder]: Using library mode [2019-04-04 17:48:01,368 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-04-04 17:48:01,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 05:48:01 BoogieIcfgContainer [2019-04-04 17:48:01,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-04-04 17:48:01,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-04-04 17:48:01,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-04-04 17:48:01,373 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-04-04 17:48:01,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.reqparser OTHER 04.04 05:46:38" (1/3) ... [2019-04-04 17:48:01,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4610b4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 04.04 05:48:01, skipping insertion in model container [2019-04-04 17:48:01,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:47:59" (2/3) ... [2019-04-04 17:48:01,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4610b4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 05:48:01, skipping insertion in model container [2019-04-04 17:48:01,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 05:48:01" (3/3) ... [2019-04-04 17:48:01,378 INFO L112 eAbstractionObserver]: Analyzing ICFG [2019-04-04 17:48:01,388 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-04-04 17:48:01,392 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2019-04-04 17:48:01,407 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:48:01,431 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:48:01,431 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:48:01,431 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:48:01,431 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:48:01,432 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:48:01,432 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:48:01,432 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:48:01,432 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr5ASSERT_VIOLATIONVACUOUSforID015======== [2019-04-04 17:48:01,444 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-04 17:48:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-04-04 17:48:01,451 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:01,452 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:48:01,452 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr5ASSERT_VIOLATIONVACUOUSforID015]=== [2019-04-04 17:48:01,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:01,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1406967299, now seen corresponding path program 1 times [2019-04-04 17:48:01,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:01,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:01,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:01,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:01,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:48:01,609 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:48:01,617 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr5ASSERT_VIOLATIONVACUOUSforID015 was UNSAFE (1/12) [2019-04-04 17:48:01,620 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:48:01,620 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:48:01,620 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:48:01,620 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:48:01,620 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:48:01,620 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:48:01,621 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:48:01,621 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:48:01,621 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID015_ID013======== [2019-04-04 17:48:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-04 17:48:01,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-04-04 17:48:01,623 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:01,623 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-04-04 17:48:01,623 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID015_ID013]=== [2019-04-04 17:48:01,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:01,624 INFO L82 PathProgramCache]: Analyzing trace with hash 67451, now seen corresponding path program 1 times [2019-04-04 17:48:01,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:01,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:01,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:01,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:01,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:48:02,005 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-04-04 17:48:02,167 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2019-04-04 17:48:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-04-04 17:48:02,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-04-04 17:48:02,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-04-04 17:48:02,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-04-04 17:48:02,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-04-04 17:48:02,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-04-04 17:48:02,185 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2019-04-04 17:48:02,386 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2019-04-04 17:48:02,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-04-04 17:48:02,446 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2019-04-04 17:48:02,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-04-04 17:48:02,448 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-04-04 17:48:02,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-04-04 17:48:02,456 INFO L225 Difference]: With dead ends: 52 [2019-04-04 17:48:02,456 INFO L226 Difference]: Without dead ends: 28 [2019-04-04 17:48:02,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-04-04 17:48:02,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-04-04 17:48:02,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 17. [2019-04-04 17:48:02,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-04-04 17:48:02,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2019-04-04 17:48:02,484 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 3 [2019-04-04 17:48:02,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-04-04 17:48:02,484 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2019-04-04 17:48:02,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-04-04 17:48:02,485 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2019-04-04 17:48:02,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-04-04 17:48:02,485 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:02,486 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:48:02,486 INFO L423 AbstractCegarLoop]: === Iteration 2 === [myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID015_ID013]=== [2019-04-04 17:48:02,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:02,487 INFO L82 PathProgramCache]: Analyzing trace with hash -554716706, now seen corresponding path program 1 times [2019-04-04 17:48:02,487 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:02,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:02,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:02,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:02,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:48:02,837 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 16 [2019-04-04 17:48:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-04-04 17:48:02,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-04-04 17:48:02,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-04-04 17:48:02,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-04-04 17:48:02,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-04-04 17:48:02,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-04-04 17:48:02,841 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 3 states. [2019-04-04 17:48:02,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-04-04 17:48:02,874 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-04-04 17:48:02,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-04-04 17:48:02,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-04-04 17:48:02,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-04-04 17:48:02,875 INFO L225 Difference]: With dead ends: 16 [2019-04-04 17:48:02,876 INFO L226 Difference]: Without dead ends: 0 [2019-04-04 17:48:02,876 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 [2019-04-04 17:48:02,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-04-04 17:48:02,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-04-04 17:48:02,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-04-04 17:48:02,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-04-04 17:48:02,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2019-04-04 17:48:02,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-04-04 17:48:02,878 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-04-04 17:48:02,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-04-04 17:48:02,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-04-04 17:48:02,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-04-04 17:48:02,879 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID015_ID013 was SAFE (2/12) [2019-04-04 17:48:02,880 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:48:02,880 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:48:02,881 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:48:02,881 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:48:02,881 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:48:02,881 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:48:02,881 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:48:02,881 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:48:02,881 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr1ASSERT_VIOLATIONVACUOUSforID016======== [2019-04-04 17:48:02,883 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-04 17:48:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-04-04 17:48:02,883 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:02,883 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-04-04 17:48:02,884 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr1ASSERT_VIOLATIONVACUOUSforID016]=== [2019-04-04 17:48:02,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:02,884 INFO L82 PathProgramCache]: Analyzing trace with hash 2091257, now seen corresponding path program 1 times [2019-04-04 17:48:02,884 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:02,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:02,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:02,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:02,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:48:02,899 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:48:02,900 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr1ASSERT_VIOLATIONVACUOUSforID016 was UNSAFE (3/12) [2019-04-04 17:48:02,900 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:48:02,901 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:48:02,901 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:48:02,901 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:48:02,901 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:48:02,901 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:48:02,901 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:48:02,901 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:48:02,902 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr10ASSERT_VIOLATIONVACUOUSforID006======== [2019-04-04 17:48:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-04 17:48:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-04-04 17:48:02,904 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:02,904 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:48:02,904 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr10ASSERT_VIOLATIONVACUOUSforID006]=== [2019-04-04 17:48:02,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:02,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1211046331, now seen corresponding path program 1 times [2019-04-04 17:48:02,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:02,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:02,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:02,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:02,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:48:02,922 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:48:02,923 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr10ASSERT_VIOLATIONVACUOUSforID006 was UNSAFE (4/12) [2019-04-04 17:48:02,924 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:48:02,924 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:48:02,924 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:48:02,924 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:48:02,924 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:48:02,924 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:48:02,924 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:48:02,925 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:48:02,926 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr6ASSERT_VIOLATIONVACUOUSforID017======== [2019-04-04 17:48:02,927 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-04 17:48:02,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-04-04 17:48:02,928 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:02,929 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:48:02,929 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr6ASSERT_VIOLATIONVACUOUSforID017]=== [2019-04-04 17:48:02,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:02,929 INFO L82 PathProgramCache]: Analyzing trace with hash -666313023, now seen corresponding path program 1 times [2019-04-04 17:48:02,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:02,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:02,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:02,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:02,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:48:02,948 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:48:02,949 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr6ASSERT_VIOLATIONVACUOUSforID017 was UNSAFE (5/12) [2019-04-04 17:48:02,949 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:48:02,950 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:48:02,950 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:48:02,950 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:48:02,950 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:48:02,950 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:48:02,950 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:48:02,950 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:48:02,951 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr3ASSERT_VIOLATIONVACUOUSforID012======== [2019-04-04 17:48:02,954 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-04 17:48:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-04-04 17:48:02,954 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:02,954 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-04-04 17:48:02,954 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr3ASSERT_VIOLATIONVACUOUSforID012]=== [2019-04-04 17:48:02,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:02,955 INFO L82 PathProgramCache]: Analyzing trace with hash 2009706875, now seen corresponding path program 1 times [2019-04-04 17:48:02,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:02,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:02,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:02,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:02,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:48:02,976 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:48:02,977 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr3ASSERT_VIOLATIONVACUOUSforID012 was UNSAFE (6/12) [2019-04-04 17:48:02,978 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:48:02,979 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:48:02,979 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:48:02,979 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:48:02,979 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:48:02,979 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:48:02,979 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:48:02,979 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:48:02,980 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr11ASSERT_VIOLATIONCONSISTENCYforallrequirements======== [2019-04-04 17:48:02,980 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-04 17:48:02,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-04-04 17:48:02,982 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:02,983 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:48:02,983 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr11ASSERT_VIOLATIONCONSISTENCYforallrequirements]=== [2019-04-04 17:48:02,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:02,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1112269699, now seen corresponding path program 1 times [2019-04-04 17:48:02,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:02,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:02,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:02,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:02,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:48:02,997 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:48:02,997 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr11ASSERT_VIOLATIONCONSISTENCYforallrequirements was UNSAFE (7/12) [2019-04-04 17:48:02,998 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:48:02,998 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:48:02,998 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:48:02,998 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:48:02,999 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:48:02,999 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:48:02,999 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:48:02,999 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:48:02,999 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr2ASSERT_VIOLATIONVACUOUSforID023======== [2019-04-04 17:48:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-04 17:48:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-04-04 17:48:03,001 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:03,001 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-04-04 17:48:03,001 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr2ASSERT_VIOLATIONVACUOUSforID023]=== [2019-04-04 17:48:03,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:03,001 INFO L82 PathProgramCache]: Analyzing trace with hash 64829245, now seen corresponding path program 1 times [2019-04-04 17:48:03,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:03,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:03,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:03,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:03,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:48:03,014 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:48:03,014 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr2ASSERT_VIOLATIONVACUOUSforID023 was UNSAFE (8/12) [2019-04-04 17:48:03,015 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:48:03,015 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:48:03,016 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:48:03,016 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:48:03,016 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:48:03,016 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:48:03,016 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:48:03,016 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:48:03,016 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr4ASSERT_VIOLATIONVACUOUSforID014======== [2019-04-04 17:48:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-04 17:48:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-04-04 17:48:03,018 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:03,018 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:48:03,018 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr4ASSERT_VIOLATIONVACUOUSforID014]=== [2019-04-04 17:48:03,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:03,018 INFO L82 PathProgramCache]: Analyzing trace with hash -2123596033, now seen corresponding path program 1 times [2019-04-04 17:48:03,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:03,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:03,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:03,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:03,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:48:03,031 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:48:03,031 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr4ASSERT_VIOLATIONVACUOUSforID014 was UNSAFE (9/12) [2019-04-04 17:48:03,032 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:48:03,032 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:48:03,032 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:48:03,032 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:48:03,033 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:48:03,033 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:48:03,033 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:48:03,033 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:48:03,033 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr7ASSERT_VIOLATIONVACUOUSforID013======== [2019-04-04 17:48:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-04 17:48:03,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-04-04 17:48:03,034 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:03,035 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:48:03,035 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr7ASSERT_VIOLATIONVACUOUSforID013]=== [2019-04-04 17:48:03,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:03,035 INFO L82 PathProgramCache]: Analyzing trace with hash 819133055, now seen corresponding path program 1 times [2019-04-04 17:48:03,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:03,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:03,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:03,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:03,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:48:03,047 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:48:03,048 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr7ASSERT_VIOLATIONVACUOUSforID013 was UNSAFE (10/12) [2019-04-04 17:48:03,048 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:48:03,049 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:48:03,049 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:48:03,049 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:48:03,049 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:48:03,049 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:48:03,049 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:48:03,050 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:48:03,050 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr8ASSERT_VIOLATIONVACUOUSforID021======== [2019-04-04 17:48:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-04 17:48:03,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-04-04 17:48:03,051 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:03,051 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:48:03,052 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr8ASSERT_VIOLATIONVACUOUSforID021]=== [2019-04-04 17:48:03,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:03,052 INFO L82 PathProgramCache]: Analyzing trace with hash -376678781, now seen corresponding path program 1 times [2019-04-04 17:48:03,052 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:03,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:03,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:03,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:03,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:48:03,065 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:48:03,066 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr8ASSERT_VIOLATIONVACUOUSforID021 was UNSAFE (11/12) [2019-04-04 17:48:03,066 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:48:03,067 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:48:03,067 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:48:03,067 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:48:03,067 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:48:03,067 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:48:03,067 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:48:03,067 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:48:03,067 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr9ASSERT_VIOLATIONVACUOUSforID022======== [2019-04-04 17:48:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-04-04 17:48:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-04-04 17:48:03,069 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:48:03,069 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:48:03,069 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr9ASSERT_VIOLATIONVACUOUSforID022]=== [2019-04-04 17:48:03,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:48:03,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1207859969, now seen corresponding path program 1 times [2019-04-04 17:48:03,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:48:03,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:48:03,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:03,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:48:03,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:48:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:48:03,082 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:48:03,083 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr9ASSERT_VIOLATIONVACUOUSforID022 was UNSAFE (12/12) [2019-04-04 17:48:03,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 05:48:03 BoogieIcfgContainer [2019-04-04 17:48:03,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-04-04 17:48:03,085 INFO L168 Benchmark]: Toolchain (without parser) took 84936.71 ms. Allocated memory was 134.2 MB in the beginning and 785.4 MB in the end (delta: 651.2 MB). Free memory was 109.3 MB in the beginning and 480.9 MB in the end (delta: -371.5 MB). Peak memory consumption was 279.6 MB. Max. memory is 7.1 GB. [2019-04-04 17:48:03,086 INFO L168 Benchmark]: ReqParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-04-04 17:48:03,087 INFO L168 Benchmark]: PEA to Boogie took 80951.95 ms. Allocated memory was 134.2 MB in the beginning and 768.1 MB in the end (delta: 633.9 MB). Free memory was 109.1 MB in the beginning and 166.8 MB in the end (delta: -57.6 MB). Peak memory consumption was 803.0 MB. Max. memory is 7.1 GB. [2019-04-04 17:48:03,088 INFO L168 Benchmark]: Boogie Printer took 14.24 ms. Allocated memory is still 768.1 MB. Free memory was 166.8 MB in the beginning and 166.6 MB in the end (delta: 223.5 kB). Peak memory consumption was 223.5 kB. Max. memory is 7.1 GB. [2019-04-04 17:48:03,089 INFO L168 Benchmark]: Boogie Preprocessor took 63.89 ms. Allocated memory is still 768.1 MB. Free memory is still 166.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-04-04 17:48:03,089 INFO L168 Benchmark]: RCFGBuilder took 2188.41 ms. Allocated memory was 768.1 MB in the beginning and 785.4 MB in the end (delta: 17.3 MB). Free memory was 166.6 MB in the beginning and 579.4 MB in the end (delta: -412.8 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. [2019-04-04 17:48:03,090 INFO L168 Benchmark]: TraceAbstraction took 1713.84 ms. Allocated memory is still 785.4 MB. Free memory was 579.4 MB in the beginning and 480.9 MB in the end (delta: 98.5 MB). Peak memory consumption was 98.5 MB. Max. memory is 7.1 GB. [2019-04-04 17:48:03,095 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * ReqParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 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 80951.95 ms. Allocated memory was 134.2 MB in the beginning and 768.1 MB in the end (delta: 633.9 MB). Free memory was 109.1 MB in the beginning and 166.8 MB in the end (delta: -57.6 MB). Peak memory consumption was 803.0 MB. Max. memory is 7.1 GB. * Boogie Printer took 14.24 ms. Allocated memory is still 768.1 MB. Free memory was 166.8 MB in the beginning and 166.6 MB in the end (delta: 223.5 kB). Peak memory consumption was 223.5 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.89 ms. Allocated memory is still 768.1 MB. Free memory is still 166.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 2188.41 ms. Allocated memory was 768.1 MB in the beginning and 785.4 MB in the end (delta: 17.3 MB). Free memory was 166.6 MB in the beginning and 579.4 MB in the end (delta: -412.8 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1713.84 ms. Allocated memory is still 785.4 MB. Free memory was 579.4 MB in the beginning and 480.9 MB in the end (delta: 98.5 MB). Peak memory consumption was 98.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ReqCheckSuccessResult [Line: -1]: Requirement ID015 is non-vacuous Requirement ID015 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr5ASSERT_VIOLATIONVACUOUSforID015 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, 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]: 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, 1.2s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 57 SDslu, 42 SDs, 0 SdLazy, 18 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s 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, 0.1s SatisfiabilityAnalysisTime, 0.7s 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 ID016 is non-vacuous Requirement ID016 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr1ASSERT_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, 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 ID006 is non-vacuous Requirement ID006 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr10ASSERT_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, 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 ID017 is non-vacuous Requirement ID017 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr6ASSERT_VIOLATIONVACUOUSforID017 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 ID012 is non-vacuous Requirement ID012 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr3ASSERT_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, 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 [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]: Requirement ID023 is non-vacuous Requirement ID023 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr2ASSERT_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, 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 ID014 is non-vacuous Requirement ID014 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr4ASSERT_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, 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 ID013 is non-vacuous Requirement ID013 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr7ASSERT_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, 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 [Line: -1]: Requirement ID021 is non-vacuous Requirement ID021 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr8ASSERT_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, 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 ID022 is non-vacuous Requirement ID022 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr9ASSERT_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, 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 * 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...