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/exampleDeadlock2.new.req -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a613b84 [2019-04-04 17:46:46,219 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-04-04 17:46:46,221 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-04-04 17:46:46,238 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-04-04 17:46:46,240 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-04-04 17:46:46,241 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-04-04 17:46:46,242 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-04-04 17:46:46,245 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-04-04 17:46:46,247 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-04-04 17:46:46,249 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-04-04 17:46:46,250 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-04-04 17:46:46,252 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-04-04 17:46:46,253 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-04-04 17:46:46,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-04-04 17:46:46,260 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-04-04 17:46:46,261 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-04-04 17:46:46,262 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-04-04 17:46:46,264 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-04-04 17:46:46,266 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-04-04 17:46:46,268 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-04-04 17:46:46,271 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-04-04 17:46:46,272 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-04-04 17:46:46,278 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-04-04 17:46:46,283 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-04-04 17:46:46,284 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-04-04 17:46:46,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-04-04 17:46:46,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-04-04 17:46:46,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-04-04 17:46:46,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-04-04 17:46:46,290 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-04-04 17:46:46,290 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-04-04 17:46:46,290 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-04-04 17:46:46,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-04-04 17:46:46,292 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-04-04 17:46:46,293 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/trunk/examples/settings/reqanalyzer/reqanalyzer-nonlin.epf [2019-04-04 17:46:46,310 INFO L110 SettingsManager]: Loading preferences was successful [2019-04-04 17:46:46,311 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-04-04 17:46:46,312 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-04-04 17:46:46,312 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2019-04-04 17:46:46,313 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-04 17:46:46,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2019-04-04 17:46:46,313 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-04-04 17:46:46,313 INFO L133 SettingsManager]: * Trace refinement exception blacklist=UNKNOWN [2019-04-04 17:46:46,313 INFO L133 SettingsManager]: * Stop after first violation was found=false [2019-04-04 17:46:46,314 INFO L133 SettingsManager]: * Compute statistics for interpolant sequences=false [2019-04-04 17:46:46,314 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2019-04-04 17:46:46,314 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-04-04 17:46:46,314 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 17:46:46,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-04-04 17:46:46,361 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-04-04 17:46:46,364 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-04-04 17:46:46,366 INFO L271 PluginConnector]: Initializing ReqParser... [2019-04-04 17:46:46,367 INFO L276 PluginConnector]: ReqParser initialized [2019-04-04 17:46:46,368 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/re2019-exp/exampleDeadlock2.new.req [2019-04-04 17:46:46,368 INFO L94 ReqParser]: Parsing file /storage/repos/re2019-exp/exampleDeadlock2.new.req [2019-04-04 17:46:46,422 INFO L134 ReqParser]: 8 requirements (5 non-initialization) in total [2019-04-04 17:46:46,427 INFO L134 ReqParser]: 8 requirements (5 non-initialization) after unification [2019-04-04 17:46:46,433 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-04-04 17:46:46,435 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-04-04 17:46:46,436 INFO L113 PluginConnector]: ------------------------PEA to Boogie---------------------------- [2019-04-04 17:46:46,436 INFO L271 PluginConnector]: Initializing PEA to Boogie... [2019-04-04 17:46:46,436 INFO L276 PluginConnector]: PEA to Boogie initialized [2019-04-04 17:46:46,439 INFO L185 PluginConnector]: Executing the observer PEAtoBoogieObserver from plugin PEA to Boogie for "de.uni_freiburg.informatik.ultimate.reqparser OTHER 04.04 05:46:46" (1/1) ... [2019-04-04 17:46:46,447 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 17:46:46,463 INFO L59 ReqToPEA]: Transforming 5 requirements to PEAs [2019-04-04 17:46:46,485 INFO L87 ReqToPEA]: Following types of requirements were processed [2019-04-04 17:46:46,486 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.MinDurationPattern : 1 [2019-04-04 17:46:46,486 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.MaxDurationPattern : 1 [2019-04-04 17:46:46,486 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.InstAbsPattern : 1 [2019-04-04 17:46:46,486 INFO L89 ReqToPEA]: class de.uni_freiburg.informatik.ultimate.lib.srparse.pattern.BndResponsePatternUT : 2 [2019-04-04 17:46:46,487 INFO L92 ReqToPEA]: Finished transforming 5 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 17:46:46,658 INFO L154 cyConditionGenerator]: Finished generating primed state invariant of size 5 [2019-04-04 17:46:46,681 INFO L769 Req2BoogieTranslator]: 1 of 5 requirements are invariant [2019-04-04 17:46:46,682 INFO L786 Req2BoogieTranslator]: Computing rt-inconsistency assertions for 6 subsets [2019-04-04 17:46:46,939 INFO L284 cyConditionGenerator]: 6 checks, 2 trivial consistent, 4 non-trivial [2019-04-04 17:46:46,939 INFO L290 cyConditionGenerator]: Of 45 formulas, 0 were quantified, 45 were plain. Needed 20 quantifier elimination runs, 0 quantified solver queries. [2019-04-04 17:46:46,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:46 Unit [2019-04-04 17:46:46,947 INFO L132 PluginConnector]: ------------------------ END PEA to Boogie---------------------------- [2019-04-04 17:46:46,948 INFO L113 PluginConnector]: ------------------------Boogie Printer---------------------------- [2019-04-04 17:46:46,948 INFO L271 PluginConnector]: Initializing Boogie Printer... [2019-04-04 17:46:46,948 INFO L276 PluginConnector]: Boogie Printer initialized [2019-04-04 17:46:46,949 INFO L185 PluginConnector]: Executing the observer BoogiePrinterObserver from plugin Boogie Printer for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:46" (1/1) ... [2019-04-04 17:46:46,950 INFO L116 oogiePrinterObserver]: File already exists and will be overwritten: /tmp/boogiePrinter.bpl [2019-04-04 17:46:46,950 INFO L120 oogiePrinterObserver]: Writing to file /tmp/boogiePrinter.bpl [2019-04-04 17:46:46,957 INFO L132 PluginConnector]: ------------------------ END Boogie Printer---------------------------- [2019-04-04 17:46:46,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-04-04 17:46:46,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-04-04 17:46:46,964 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-04-04 17:46:46,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:46" (1/1) ... [2019-04-04 17:46:46,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:46" (1/1) ... [2019-04-04 17:46:46,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:46" (1/1) ... [2019-04-04 17:46:46,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:46" (1/1) ... [2019-04-04 17:46:47,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:46" (1/1) ... [2019-04-04 17:46:47,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:46" (1/1) ... [2019-04-04 17:46:47,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:46" (1/1) ... [2019-04-04 17:46:47,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-04-04 17:46:47,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-04-04 17:46:47,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-04-04 17:46:47,039 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-04-04 17:46:47,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:46" (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 17:46:47,055 INFO L124 BoogieDeclarations]: Specification and implementation of procedure myProcedure given in one single declaration [2019-04-04 17:46:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure myProcedure [2019-04-04 17:46:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure myProcedure [2019-04-04 17:46:48,528 INFO L278 CfgBuilder]: Using library mode [2019-04-04 17:46:48,528 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-04-04 17:46:48,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 05:46:48 BoogieIcfgContainer [2019-04-04 17:46:48,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-04-04 17:46:48,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-04-04 17:46:48,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-04-04 17:46:48,534 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-04-04 17:46:48,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.reqparser OTHER 04.04 05:46:46" (1/3) ... [2019-04-04 17:46:48,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e06748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 04.04 05:46:48, skipping insertion in model container [2019-04-04 17:46:48,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.pea2boogie AST 04.04 05:46:46" (2/3) ... [2019-04-04 17:46:48,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e06748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 05:46:48, skipping insertion in model container [2019-04-04 17:46:48,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 05:46:48" (3/3) ... [2019-04-04 17:46:48,538 INFO L112 eAbstractionObserver]: Analyzing ICFG [2019-04-04 17:46:48,547 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-04-04 17:46:48,552 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-04-04 17:46:48,571 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:48,597 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:48,597 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:48,598 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:48,598 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:48,598 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:48,598 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:48,598 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:48,599 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr7ASSERT_VIOLATIONVACUOUSforID001======== [2019-04-04 17:46:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-04-04 17:46:48,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-04-04 17:46:48,622 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:48,623 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:46:48,623 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr7ASSERT_VIOLATIONVACUOUSforID001]=== [2019-04-04 17:46:48,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:48,627 INFO L82 PathProgramCache]: Analyzing trace with hash 83768746, now seen corresponding path program 1 times [2019-04-04 17:46:48,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:48,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:48,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:48,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:48,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:46:48,734 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:46:48,743 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr7ASSERT_VIOLATIONVACUOUSforID001 was UNSAFE (1/9) [2019-04-04 17:46:48,749 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:48,750 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:48,750 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:48,750 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:48,750 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:48,750 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:48,750 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:48,750 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:48,750 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr3ASSERT_VIOLATIONRTINCONSISTENTforID003_ID001======== [2019-04-04 17:46:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-04-04 17:46:48,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-04-04 17:46:48,752 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:48,752 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-04-04 17:46:48,753 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr3ASSERT_VIOLATIONRTINCONSISTENTforID003_ID001]=== [2019-04-04 17:46:48,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:48,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1216617830, now seen corresponding path program 1 times [2019-04-04 17:46:48,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:48,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:48,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:48,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:48,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:46:48,826 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 17:46:48,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-04-04 17:46:48,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-04-04 17:46:48,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-04-04 17:46:48,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-04-04 17:46:48,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-04-04 17:46:48,850 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2019-04-04 17:46:48,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-04-04 17:46:48,873 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-04-04 17:46:48,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-04-04 17:46:48,874 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-04-04 17:46:48,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-04-04 17:46:48,886 INFO L225 Difference]: With dead ends: 18 [2019-04-04 17:46:48,886 INFO L226 Difference]: Without dead ends: 0 [2019-04-04 17:46:48,889 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-04-04 17:46:48,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-04-04 17:46:48,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-04-04 17:46:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-04-04 17:46:48,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-04-04 17:46:48,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-04-04 17:46:48,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-04-04 17:46:48,920 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-04-04 17:46:48,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-04-04 17:46:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-04-04 17:46:48,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-04-04 17:46:48,921 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr3ASSERT_VIOLATIONRTINCONSISTENTforID003_ID001 was SAFE (2/9) [2019-04-04 17:46:48,922 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:48,922 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:48,923 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:48,925 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:48,925 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:48,926 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:48,926 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:48,926 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:48,926 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr1ASSERT_VIOLATIONRTINCONSISTENTforID002_ID003======== [2019-04-04 17:46:48,927 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-04-04 17:46:48,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-04-04 17:46:48,928 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:48,928 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-04-04 17:46:48,928 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr1ASSERT_VIOLATIONRTINCONSISTENTforID002_ID003]=== [2019-04-04 17:46:48,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:48,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1265988, now seen corresponding path program 1 times [2019-04-04 17:46:48,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:48,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:48,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:48,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:48,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:46:48,967 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 17:46:48,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-04-04 17:46:48,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-04-04 17:46:48,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-04-04 17:46:48,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-04-04 17:46:48,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-04-04 17:46:48,968 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2019-04-04 17:46:48,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-04-04 17:46:48,970 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-04-04 17:46:48,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-04-04 17:46:48,970 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2019-04-04 17:46:48,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-04-04 17:46:48,971 INFO L225 Difference]: With dead ends: 18 [2019-04-04 17:46:48,971 INFO L226 Difference]: Without dead ends: 0 [2019-04-04 17:46:48,971 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-04-04 17:46:48,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-04-04 17:46:48,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-04-04 17:46:48,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-04-04 17:46:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-04-04 17:46:48,972 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-04-04 17:46:48,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-04-04 17:46:48,973 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-04-04 17:46:48,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-04-04 17:46:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-04-04 17:46:48,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-04-04 17:46:48,974 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr1ASSERT_VIOLATIONRTINCONSISTENTforID002_ID003 was SAFE (3/9) [2019-04-04 17:46:48,975 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:48,975 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:48,975 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:48,976 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:48,976 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:48,976 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:48,976 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:48,976 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:48,976 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr4ASSERT_VIOLATIONVACUOUSforID004======== [2019-04-04 17:46:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-04-04 17:46:48,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-04-04 17:46:48,978 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:48,978 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:46:48,979 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr4ASSERT_VIOLATIONVACUOUSforID004]=== [2019-04-04 17:46:48,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:48,979 INFO L82 PathProgramCache]: Analyzing trace with hash -939552825, now seen corresponding path program 1 times [2019-04-04 17:46:48,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:48,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:48,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:48,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:48,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:46:48,993 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:46:48,993 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr4ASSERT_VIOLATIONVACUOUSforID004 was UNSAFE (4/9) [2019-04-04 17:46:48,994 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:48,994 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:48,995 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:48,995 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:48,995 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:48,995 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:48,995 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:48,995 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:48,995 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr8ASSERT_VIOLATIONCONSISTENCYforallrequirements======== [2019-04-04 17:46:48,997 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-04-04 17:46:48,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-04-04 17:46:48,997 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:48,998 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:46:48,998 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr8ASSERT_VIOLATIONCONSISTENCYforallrequirements]=== [2019-04-04 17:46:48,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:48,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1698136053, now seen corresponding path program 1 times [2019-04-04 17:46:48,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:48,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:48,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:49,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:49,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:46:49,014 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:46:49,014 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr8ASSERT_VIOLATIONCONSISTENCYforallrequirements was UNSAFE (5/9) [2019-04-04 17:46:49,020 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:49,021 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:49,021 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:49,021 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:49,021 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:49,022 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:49,022 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:49,022 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:49,022 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr5ASSERT_VIOLATIONVACUOUSforID002======== [2019-04-04 17:46:49,025 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-04-04 17:46:49,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-04-04 17:46:49,026 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:49,026 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:46:49,027 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr5ASSERT_VIOLATIONVACUOUSforID002]=== [2019-04-04 17:46:49,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:49,027 INFO L82 PathProgramCache]: Analyzing trace with hash 938633608, now seen corresponding path program 1 times [2019-04-04 17:46:49,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:49,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:49,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:49,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:49,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:46:49,054 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:46:49,055 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr5ASSERT_VIOLATIONVACUOUSforID002 was UNSAFE (6/9) [2019-04-04 17:46:49,055 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:49,056 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:49,056 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:49,056 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:49,056 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:49,056 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:49,056 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:49,056 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:49,056 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID004_ID003======== [2019-04-04 17:46:49,058 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-04-04 17:46:49,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-04-04 17:46:49,058 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:49,059 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-04-04 17:46:49,059 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID004_ID003]=== [2019-04-04 17:46:49,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:49,059 INFO L82 PathProgramCache]: Analyzing trace with hash 40835, now seen corresponding path program 1 times [2019-04-04 17:46:49,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:49,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:49,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:49,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:49,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:46:49,082 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 17:46:49,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-04-04 17:46:49,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-04-04 17:46:49,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-04-04 17:46:49,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-04-04 17:46:49,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-04-04 17:46:49,086 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2019-04-04 17:46:49,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-04-04 17:46:49,089 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-04-04 17:46:49,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-04-04 17:46:49,090 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 3 [2019-04-04 17:46:49,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-04-04 17:46:49,090 INFO L225 Difference]: With dead ends: 18 [2019-04-04 17:46:49,090 INFO L226 Difference]: Without dead ends: 0 [2019-04-04 17:46:49,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-04-04 17:46:49,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-04-04 17:46:49,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-04-04 17:46:49,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-04-04 17:46:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-04-04 17:46:49,092 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-04-04 17:46:49,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-04-04 17:46:49,092 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-04-04 17:46:49,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-04-04 17:46:49,092 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-04-04 17:46:49,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-04-04 17:46:49,094 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID004_ID003 was SAFE (7/9) [2019-04-04 17:46:49,096 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:46:49,096 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:46:49,097 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:46:49,097 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:46:49,097 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:46:49,097 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:46:49,098 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:46:49,098 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:46:49,098 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr2ASSERT_VIOLATIONRTINCONSISTENTforID002_ID001======== [2019-04-04 17:46:49,099 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-04-04 17:46:49,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-04-04 17:46:49,105 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:49,105 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-04-04 17:46:49,106 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr2ASSERT_VIOLATIONRTINCONSISTENTforID002_ID001]=== [2019-04-04 17:46:49,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:49,106 INFO L82 PathProgramCache]: Analyzing trace with hash 39245733, now seen corresponding path program 1 times [2019-04-04 17:46:49,106 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:49,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:49,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:49,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:49,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:46:49,269 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 17:46:49,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-04-04 17:46:49,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-04-04 17:46:49,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-04-04 17:46:49,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-04-04 17:46:49,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-04-04 17:46:49,270 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2019-04-04 17:46:49,501 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2019-04-04 17:46:49,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-04-04 17:46:49,546 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2019-04-04 17:46:49,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-04-04 17:46:49,547 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-04-04 17:46:49,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-04-04 17:46:49,550 INFO L225 Difference]: With dead ends: 34 [2019-04-04 17:46:49,550 INFO L226 Difference]: Without dead ends: 22 [2019-04-04 17:46:49,551 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-04-04 17:46:49,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-04-04 17:46:49,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 16. [2019-04-04 17:46:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-04-04 17:46:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-04-04 17:46:49,561 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 5 [2019-04-04 17:46:49,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-04-04 17:46:49,561 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-04-04 17:46:49,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-04-04 17:46:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-04-04 17:46:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-04-04 17:46:49,562 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:49,562 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:46:49,563 INFO L423 AbstractCegarLoop]: === Iteration 2 === [myProcedureErr2ASSERT_VIOLATIONRTINCONSISTENTforID002_ID001]=== [2019-04-04 17:46:49,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:49,563 INFO L82 PathProgramCache]: Analyzing trace with hash 320014247, now seen corresponding path program 1 times [2019-04-04 17:46:49,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:49,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:49,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:49,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:49,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:46:50,304 WARN L188 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2019-04-04 17:46:50,464 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2019-04-04 17:46:50,738 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2019-04-04 17:46:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-04-04 17:46:50,740 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-04-04 17:46:50,741 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-04-04 17:46:50,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:46:50,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 22 conjunts are in the unsatisfiable core [2019-04-04 17:46:50,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-04-04 17:46:52,667 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 30 [2019-04-04 17:46:54,722 WARN L188 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2019-04-04 17:46:57,561 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-04-04 17:46:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-04-04 17:46:57,583 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-04-04 17:46:57,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2019-04-04 17:46:57,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-04-04 17:46:57,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-04-04 17:46:57,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-04-04 17:46:57,585 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 10 states. [2019-04-04 17:46:57,944 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-04-04 17:46:57,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-04-04 17:46:57,993 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2019-04-04 17:46:57,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-04-04 17:46:57,995 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2019-04-04 17:46:57,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-04-04 17:46:57,996 INFO L225 Difference]: With dead ends: 32 [2019-04-04 17:46:57,996 INFO L226 Difference]: Without dead ends: 32 [2019-04-04 17:46:57,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-04-04 17:46:57,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-04-04 17:46:58,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2019-04-04 17:46:58,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-04-04 17:46:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-04-04 17:46:58,002 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2019-04-04 17:46:58,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-04-04 17:46:58,003 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-04-04 17:46:58,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-04-04 17:46:58,003 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-04-04 17:46:58,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-04-04 17:46:58,004 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:46:58,004 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2019-04-04 17:46:58,004 INFO L423 AbstractCegarLoop]: === Iteration 3 === [myProcedureErr2ASSERT_VIOLATIONRTINCONSISTENTforID002_ID001]=== [2019-04-04 17:46:58,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:46:58,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1948032297, now seen corresponding path program 2 times [2019-04-04 17:46:58,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:46:58,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:46:58,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:58,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:58,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:46:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:46:58,572 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-04-04 17:46:58,833 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2019-04-04 17:46:59,105 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2019-04-04 17:46:59,396 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 37 [2019-04-04 17:46:59,526 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2019-04-04 17:46:59,725 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 20 [2019-04-04 17:46:59,726 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-04-04 17:46:59,726 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-04-04 17:46:59,727 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-04-04 17:46:59,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:46:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:46:59,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 44 conjunts are in the unsatisfiable core [2019-04-04 17:46:59,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-04-04 17:47:00,654 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 36 [2019-04-04 17:47:00,882 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-04-04 17:47:05,689 WARN L188 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 135 DAG size of output: 125 [2019-04-04 17:47:11,263 WARN L188 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2019-04-04 17:47:36,684 WARN L188 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 269 DAG size of output: 125 [2019-04-04 17:51:49,097 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2019-04-04 17:51:49,298 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-04-04 17:51:49,299 WARN L549 AbstractCegarLoop]: Verification canceled [2019-04-04 17:51:49,301 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr2ASSERT_VIOLATIONRTINCONSISTENTforID002_ID001 was TIMEOUT (8/9) [2019-04-04 17:51:49,302 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-04-04 17:51:49,302 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-04-04 17:51:49,302 INFO L383 AbstractCegarLoop]: Hoare is false [2019-04-04 17:51:49,303 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-04-04 17:51:49,303 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-04-04 17:51:49,303 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-04-04 17:51:49,303 INFO L387 AbstractCegarLoop]: Difference is false [2019-04-04 17:51:49,303 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-04-04 17:51:49,303 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myProcedureErr6ASSERT_VIOLATIONVACUOUSforID003======== [2019-04-04 17:51:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-04-04 17:51:49,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-04-04 17:51:49,305 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:51:49,305 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-04-04 17:51:49,305 INFO L423 AbstractCegarLoop]: === Iteration 1 === [myProcedureErr6ASSERT_VIOLATIONVACUOUSforID003]=== [2019-04-04 17:51:49,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:51:49,305 INFO L82 PathProgramCache]: Analyzing trace with hash -967129111, now seen corresponding path program 1 times [2019-04-04 17:51:49,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:51:49,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:51:49,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:51:49,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:51:49,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:51:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-04-04 17:51:49,378 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 17:51:49,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-04-04 17:51:49,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-04-04 17:51:49,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-04-04 17:51:49,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-04-04 17:51:49,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-04-04 17:51:49,379 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-04-04 17:51:49,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-04-04 17:51:49,394 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2019-04-04 17:51:49,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-04-04 17:51:49,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-04-04 17:51:49,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-04-04 17:51:49,396 INFO L225 Difference]: With dead ends: 34 [2019-04-04 17:51:49,396 INFO L226 Difference]: Without dead ends: 22 [2019-04-04 17:51:49,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-04-04 17:51:49,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-04-04 17:51:49,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2019-04-04 17:51:49,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-04-04 17:51:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-04-04 17:51:49,399 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 9 [2019-04-04 17:51:49,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-04-04 17:51:49,399 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-04-04 17:51:49,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-04-04 17:51:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-04-04 17:51:49,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-04-04 17:51:49,400 INFO L394 BasicCegarLoop]: Found error trace [2019-04-04 17:51:49,400 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-04-04 17:51:49,400 INFO L423 AbstractCegarLoop]: === Iteration 2 === [myProcedureErr6ASSERT_VIOLATIONVACUOUSforID003]=== [2019-04-04 17:51:49,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-04-04 17:51:49,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1113905429, now seen corresponding path program 1 times [2019-04-04 17:51:49,401 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-04-04 17:51:49,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-04-04 17:51:49,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:51:49,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-04-04 17:51:49,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-04-04 17:51:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-04-04 17:51:49,412 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-04-04 17:51:49,412 INFO L190 ceAbstractionStarter]: Result for error location myProcedureErr6ASSERT_VIOLATIONVACUOUSforID003 was UNSAFE (9/9) [2019-04-04 17:51:49,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 05:51:49 BoogieIcfgContainer [2019-04-04 17:51:49,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-04-04 17:51:49,414 INFO L168 Benchmark]: Toolchain (without parser) took 302979.95 ms. Allocated memory was 135.3 MB in the beginning and 254.8 MB in the end (delta: 119.5 MB). Free memory was 109.6 MB in the beginning and 158.3 MB in the end (delta: -48.6 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. [2019-04-04 17:51:49,415 INFO L168 Benchmark]: ReqParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 111.7 MB in the beginning and 111.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-04-04 17:51:49,416 INFO L168 Benchmark]: PEA to Boogie took 511.57 ms. Allocated memory is still 135.3 MB. Free memory was 109.6 MB in the beginning and 91.2 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-04-04 17:51:49,417 INFO L168 Benchmark]: Boogie Printer took 9.54 ms. Allocated memory is still 135.3 MB. Free memory was 91.2 MB in the beginning and 90.4 MB in the end (delta: 839.5 kB). Peak memory consumption was 839.5 kB. Max. memory is 7.1 GB. [2019-04-04 17:51:49,418 INFO L168 Benchmark]: Boogie Preprocessor took 80.63 ms. Allocated memory is still 135.3 MB. Free memory was 90.4 MB in the beginning and 88.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-04-04 17:51:49,418 INFO L168 Benchmark]: RCFGBuilder took 1491.68 ms. Allocated memory was 135.3 MB in the beginning and 169.3 MB in the end (delta: 34.1 MB). Free memory was 88.3 MB in the beginning and 112.6 MB in the end (delta: -24.3 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. [2019-04-04 17:51:49,420 INFO L168 Benchmark]: TraceAbstraction took 300882.52 ms. Allocated memory was 169.3 MB in the beginning and 254.8 MB in the end (delta: 85.5 MB). Free memory was 112.6 MB in the beginning and 158.3 MB in the end (delta: -45.7 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. [2019-04-04 17:51:49,425 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * ReqParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 111.7 MB in the beginning and 111.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * PEA to Boogie took 511.57 ms. Allocated memory is still 135.3 MB. Free memory was 109.6 MB in the beginning and 91.2 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Boogie Printer took 9.54 ms. Allocated memory is still 135.3 MB. Free memory was 91.2 MB in the beginning and 90.4 MB in the end (delta: 839.5 kB). Peak memory consumption was 839.5 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.63 ms. Allocated memory is still 135.3 MB. Free memory was 90.4 MB in the beginning and 88.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1491.68 ms. Allocated memory was 135.3 MB in the beginning and 169.3 MB in the end (delta: 34.1 MB). Free memory was 88.3 MB in the beginning and 112.6 MB in the end (delta: -24.3 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 300882.52 ms. Allocated memory was 169.3 MB in the beginning and 254.8 MB in the end (delta: 85.5 MB). Free memory was 112.6 MB in the beginning and 158.3 MB in the end (delta: -45.7 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ReqCheckSuccessResult [Line: -1]: Requirement ID001 is non-vacuous Requirement ID001 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr7ASSERT_VIOLATIONVACUOUSforID001 CFG has 1 procedures, 21 locations, 9 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=21occurred 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]: Requirements ID003, ID001 are rt-consistent Requirements ID003, ID001 are rt-consistent - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr3ASSERT_VIOLATIONRTINCONSISTENTforID003_ID001 CFG has 1 procedures, 21 locations, 9 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, 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, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - ReqCheckSuccessResult [Line: -1]: Requirements ID002, ID003 are rt-consistent Requirements ID002, ID003 are rt-consistent - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr1ASSERT_VIOLATIONRTINCONSISTENTforID002_ID003 CFG has 1 procedures, 21 locations, 9 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, 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, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - ReqCheckSuccessResult [Line: -1]: Requirement ID004 is non-vacuous Requirement ID004 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr4ASSERT_VIOLATIONVACUOUSforID004 CFG has 1 procedures, 21 locations, 9 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=21occurred 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 [UNKNOWN] : All requirements are consistent All requirements are consistent - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr8ASSERT_VIOLATIONCONSISTENCYforallrequirements CFG has 1 procedures, 21 locations, 9 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=21occurred 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 ID002 is non-vacuous Requirement ID002 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr5ASSERT_VIOLATIONVACUOUSforID002 CFG has 1 procedures, 21 locations, 9 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=21occurred 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 ID004, ID003 are rt-consistent Requirements ID004, ID003 are rt-consistent - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr0ASSERT_VIOLATIONRTINCONSISTENTforID004_ID003 CFG has 1 procedures, 21 locations, 9 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that Requirements ID002, ID001 are rt-consistent (line -1). Cancelled while BasicCegarLoop was analyzing trace of length 26 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while XnfDer was eliminating 3 quantified variables from 4 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr2ASSERT_VIOLATIONRTINCONSISTENTforID002_ID001 CFG has 1 procedures, 21 locations, 9 error locations. TIMEOUT Result, 300.2s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25 SDtfs, 48 SDslu, 90 SDs, 0 SdLazy, 39 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=2, 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, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 13 NumberOfNonLiveVariables, 63 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - ReqCheckSuccessResult [Line: -1]: Requirement ID003 is non-vacuous Requirement ID003 is non-vacuous - StatisticsResult: Ultimate Automizer benchmark data for error location: myProcedureErr6ASSERT_VIOLATIONVACUOUSforID003 CFG has 1 procedures, 21 locations, 9 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 8 SDslu, 14 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Received shutdown request...