./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem10_label11_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem10_label11_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38eca36787df6152c26f941ea8052099b3b63076 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-30 22:20:10,567 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 22:20:10,569 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 22:20:10,581 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 22:20:10,582 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 22:20:10,583 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 22:20:10,584 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 22:20:10,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 22:20:10,588 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 22:20:10,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 22:20:10,590 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 22:20:10,590 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 22:20:10,591 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 22:20:10,592 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 22:20:10,593 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 22:20:10,594 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 22:20:10,595 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 22:20:10,596 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 22:20:10,599 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 22:20:10,600 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 22:20:10,601 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 22:20:10,603 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 22:20:10,605 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 22:20:10,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 22:20:10,606 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 22:20:10,607 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 22:20:10,608 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 22:20:10,609 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 22:20:10,609 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 22:20:10,611 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 22:20:10,611 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 22:20:10,612 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 22:20:10,612 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 22:20:10,612 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 22:20:10,613 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 22:20:10,614 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 22:20:10,614 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 22:20:10,643 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 22:20:10,644 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 22:20:10,645 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 22:20:10,645 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 22:20:10,645 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 22:20:10,647 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 22:20:10,647 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 22:20:10,647 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 22:20:10,647 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 22:20:10,647 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 22:20:10,648 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 22:20:10,649 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 22:20:10,649 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 22:20:10,649 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 22:20:10,649 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 22:20:10,649 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 22:20:10,649 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 22:20:10,651 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 22:20:10,652 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 22:20:10,652 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 22:20:10,652 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 22:20:10,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 22:20:10,653 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 22:20:10,653 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 22:20:10,653 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 22:20:10,653 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 22:20:10,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 22:20:10,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 22:20:10,653 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38eca36787df6152c26f941ea8052099b3b63076 [2018-12-30 22:20:10,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 22:20:10,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 22:20:10,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 22:20:10,739 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 22:20:10,739 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 22:20:10,740 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-12-30 22:20:10,810 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf0ccf262/c4b6c4568213484ebf9a75a56f16fa61/FLAG21f7b7985 [2018-12-30 22:20:11,410 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 22:20:11,413 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-12-30 22:20:11,431 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf0ccf262/c4b6c4568213484ebf9a75a56f16fa61/FLAG21f7b7985 [2018-12-30 22:20:11,790 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf0ccf262/c4b6c4568213484ebf9a75a56f16fa61 [2018-12-30 22:20:11,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 22:20:11,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 22:20:11,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 22:20:11,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 22:20:11,800 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 22:20:11,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 10:20:11" (1/1) ... [2018-12-30 22:20:11,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59be845d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:11, skipping insertion in model container [2018-12-30 22:20:11,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 10:20:11" (1/1) ... [2018-12-30 22:20:11,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 22:20:11,888 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 22:20:12,400 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 22:20:12,407 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 22:20:12,550 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 22:20:12,660 INFO L195 MainTranslator]: Completed translation [2018-12-30 22:20:12,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:12 WrapperNode [2018-12-30 22:20:12,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 22:20:12,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 22:20:12,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 22:20:12,662 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 22:20:12,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:12" (1/1) ... [2018-12-30 22:20:12,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:12" (1/1) ... [2018-12-30 22:20:12,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 22:20:12,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 22:20:12,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 22:20:12,766 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 22:20:12,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:12" (1/1) ... [2018-12-30 22:20:12,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:12" (1/1) ... [2018-12-30 22:20:12,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:12" (1/1) ... [2018-12-30 22:20:12,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:12" (1/1) ... [2018-12-30 22:20:12,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:12" (1/1) ... [2018-12-30 22:20:12,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:12" (1/1) ... [2018-12-30 22:20:12,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:12" (1/1) ... [2018-12-30 22:20:12,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 22:20:12,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 22:20:12,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 22:20:12,849 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 22:20:12,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 22:20:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 22:20:12,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 22:20:16,088 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 22:20:16,088 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 22:20:16,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 10:20:16 BoogieIcfgContainer [2018-12-30 22:20:16,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 22:20:16,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 22:20:16,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 22:20:16,094 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 22:20:16,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 10:20:11" (1/3) ... [2018-12-30 22:20:16,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30744f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 10:20:16, skipping insertion in model container [2018-12-30 22:20:16,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:20:12" (2/3) ... [2018-12-30 22:20:16,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30744f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 10:20:16, skipping insertion in model container [2018-12-30 22:20:16,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 10:20:16" (3/3) ... [2018-12-30 22:20:16,098 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label11_true-unreach-call.c [2018-12-30 22:20:16,107 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 22:20:16,116 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 22:20:16,133 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 22:20:16,169 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 22:20:16,170 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 22:20:16,170 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 22:20:16,170 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 22:20:16,170 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 22:20:16,171 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 22:20:16,171 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 22:20:16,171 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 22:20:16,171 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 22:20:16,196 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2018-12-30 22:20:16,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-30 22:20:16,207 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:20:16,208 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:20:16,211 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:20:16,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:20:16,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2018-12-30 22:20:16,220 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:20:16,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:20:16,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:20:16,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:20:16,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:20:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:20:16,754 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 5 [2018-12-30 22:20:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:20:16,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:20:16,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 22:20:16,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:20:16,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:20:16,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:20:16,809 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2018-12-30 22:20:19,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:20:19,982 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2018-12-30 22:20:19,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:20:19,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-30 22:20:19,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:20:20,006 INFO L225 Difference]: With dead ends: 709 [2018-12-30 22:20:20,006 INFO L226 Difference]: Without dead ends: 421 [2018-12-30 22:20:20,011 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:20:20,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-12-30 22:20:20,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2018-12-30 22:20:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-12-30 22:20:20,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2018-12-30 22:20:20,133 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 61 [2018-12-30 22:20:20,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:20:20,133 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2018-12-30 22:20:20,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:20:20,134 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2018-12-30 22:20:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-30 22:20:20,138 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:20:20,139 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:20:20,139 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:20:20,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:20:20,141 INFO L82 PathProgramCache]: Analyzing trace with hash -270262724, now seen corresponding path program 1 times [2018-12-30 22:20:20,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:20:20,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:20:20,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:20:20,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:20:20,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:20:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:20:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:20:20,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:20:20,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 22:20:20,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:20:20,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:20:20,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:20:20,478 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 4 states. [2018-12-30 22:20:21,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:20:21,969 INFO L93 Difference]: Finished difference Result 1118 states and 1720 transitions. [2018-12-30 22:20:21,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:20:21,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2018-12-30 22:20:21,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:20:21,981 INFO L225 Difference]: With dead ends: 1118 [2018-12-30 22:20:21,981 INFO L226 Difference]: Without dead ends: 838 [2018-12-30 22:20:21,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:20:21,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2018-12-30 22:20:22,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 560. [2018-12-30 22:20:22,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2018-12-30 22:20:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 790 transitions. [2018-12-30 22:20:22,033 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 790 transitions. Word has length 127 [2018-12-30 22:20:22,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:20:22,034 INFO L480 AbstractCegarLoop]: Abstraction has 560 states and 790 transitions. [2018-12-30 22:20:22,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:20:22,034 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 790 transitions. [2018-12-30 22:20:22,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-30 22:20:22,041 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:20:22,041 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:20:22,041 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:20:22,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:20:22,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1580522747, now seen corresponding path program 1 times [2018-12-30 22:20:22,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:20:22,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:20:22,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:20:22,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:20:22,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:20:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:20:22,452 WARN L181 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-30 22:20:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:20:22,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:20:22,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-30 22:20:22,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-30 22:20:22,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-30 22:20:22,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-30 22:20:22,661 INFO L87 Difference]: Start difference. First operand 560 states and 790 transitions. Second operand 7 states. [2018-12-30 22:20:25,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:20:25,073 INFO L93 Difference]: Finished difference Result 1265 states and 1795 transitions. [2018-12-30 22:20:25,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-30 22:20:25,074 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2018-12-30 22:20:25,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:20:25,079 INFO L225 Difference]: With dead ends: 1265 [2018-12-30 22:20:25,079 INFO L226 Difference]: Without dead ends: 707 [2018-12-30 22:20:25,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-30 22:20:25,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-12-30 22:20:25,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 699. [2018-12-30 22:20:25,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2018-12-30 22:20:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 934 transitions. [2018-12-30 22:20:25,099 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 934 transitions. Word has length 166 [2018-12-30 22:20:25,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:20:25,100 INFO L480 AbstractCegarLoop]: Abstraction has 699 states and 934 transitions. [2018-12-30 22:20:25,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-30 22:20:25,100 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 934 transitions. [2018-12-30 22:20:25,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-30 22:20:25,104 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:20:25,104 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:20:25,104 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:20:25,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:20:25,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1909022612, now seen corresponding path program 1 times [2018-12-30 22:20:25,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:20:25,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:20:25,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:20:25,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:20:25,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:20:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:20:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:20:25,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:20:25,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 22:20:25,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 22:20:25,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 22:20:25,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 22:20:25,305 INFO L87 Difference]: Start difference. First operand 699 states and 934 transitions. Second operand 3 states. [2018-12-30 22:20:27,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:20:27,114 INFO L93 Difference]: Finished difference Result 1535 states and 2080 transitions. [2018-12-30 22:20:27,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 22:20:27,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2018-12-30 22:20:27,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:20:27,120 INFO L225 Difference]: With dead ends: 1535 [2018-12-30 22:20:27,120 INFO L226 Difference]: Without dead ends: 699 [2018-12-30 22:20:27,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 22:20:27,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2018-12-30 22:20:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2018-12-30 22:20:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2018-12-30 22:20:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 905 transitions. [2018-12-30 22:20:27,139 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 905 transitions. Word has length 241 [2018-12-30 22:20:27,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:20:27,140 INFO L480 AbstractCegarLoop]: Abstraction has 699 states and 905 transitions. [2018-12-30 22:20:27,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 22:20:27,140 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 905 transitions. [2018-12-30 22:20:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-30 22:20:27,146 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:20:27,146 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:20:27,146 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:20:27,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:20:27,147 INFO L82 PathProgramCache]: Analyzing trace with hash -2102763462, now seen corresponding path program 1 times [2018-12-30 22:20:27,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:20:27,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:20:27,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:20:27,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:20:27,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:20:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:20:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 78 proven. 10 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-12-30 22:20:27,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 22:20:27,643 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-30 22:20:27,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:20:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:20:27,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 22:20:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2018-12-30 22:20:28,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 22:20:28,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2018-12-30 22:20:28,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-30 22:20:28,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-30 22:20:28,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-30 22:20:28,078 INFO L87 Difference]: Start difference. First operand 699 states and 905 transitions. Second operand 8 states. [2018-12-30 22:20:32,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:20:32,990 INFO L93 Difference]: Finished difference Result 1950 states and 2617 transitions. [2018-12-30 22:20:32,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-30 22:20:32,991 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 277 [2018-12-30 22:20:32,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:20:32,992 INFO L225 Difference]: With dead ends: 1950 [2018-12-30 22:20:32,992 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 22:20:32,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2018-12-30 22:20:32,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 22:20:32,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 22:20:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 22:20:32,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 22:20:32,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2018-12-30 22:20:32,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:20:32,997 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 22:20:32,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-30 22:20:32,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 22:20:32,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 22:20:33,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 22:20:33,170 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-30 22:20:33,171 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,171 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,171 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,171 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,171 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,171 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,171 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-30 22:20:33,171 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-30 22:20:33,172 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-30 22:20:33,173 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-30 22:20:33,173 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-30 22:20:33,173 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-30 22:20:33,173 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-30 22:20:33,173 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-30 22:20:33,173 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-30 22:20:33,173 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-30 22:20:33,173 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-30 22:20:33,174 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,174 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,174 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,174 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,174 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,174 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-30 22:20:33,174 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-30 22:20:33,174 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-30 22:20:33,174 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-30 22:20:33,174 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-30 22:20:33,175 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-30 22:20:33,175 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-30 22:20:33,175 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-30 22:20:33,175 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-30 22:20:33,175 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-30 22:20:33,175 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-30 22:20:33,175 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-30 22:20:33,175 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-30 22:20:33,175 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-30 22:20:33,175 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,176 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,176 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,176 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,176 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,176 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-30 22:20:33,176 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-30 22:20:33,176 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-30 22:20:33,176 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-30 22:20:33,176 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-30 22:20:33,176 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-30 22:20:33,177 INFO L444 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (or (< 0 (+ ~a1~0 13)) (<= 9 ~a19~0) (not (= 3 ~a10~0))) [2018-12-30 22:20:33,177 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-30 22:20:33,177 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-30 22:20:33,177 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-30 22:20:33,177 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-30 22:20:33,177 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,177 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,177 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,178 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,178 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,178 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-30 22:20:33,178 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-30 22:20:33,178 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-30 22:20:33,178 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-30 22:20:33,178 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-30 22:20:33,178 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-30 22:20:33,178 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-30 22:20:33,178 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-30 22:20:33,184 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-30 22:20:33,184 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-30 22:20:33,184 INFO L451 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-12-30 22:20:33,184 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-30 22:20:33,184 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-30 22:20:33,184 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-30 22:20:33,184 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,184 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,184 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,185 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,185 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,185 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-30 22:20:33,185 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-30 22:20:33,185 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-30 22:20:33,185 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-30 22:20:33,185 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-30 22:20:33,185 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-30 22:20:33,185 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-30 22:20:33,185 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-30 22:20:33,187 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-30 22:20:33,187 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,187 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,187 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,187 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,187 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,188 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-30 22:20:33,188 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-30 22:20:33,188 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-30 22:20:33,188 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-30 22:20:33,188 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-30 22:20:33,188 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-30 22:20:33,188 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-30 22:20:33,188 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-30 22:20:33,188 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-30 22:20:33,188 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-30 22:20:33,189 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-30 22:20:33,189 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 22:20:33,189 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-30 22:20:33,189 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (< 0 (+ ~a1~0 13)) (<= 9 ~a19~0) (not (= 3 ~a10~0))) [2018-12-30 22:20:33,189 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-30 22:20:33,189 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-12-30 22:20:33,189 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,189 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,189 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,190 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,190 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-30 22:20:33,190 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,190 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,190 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-30 22:20:33,190 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-30 22:20:33,190 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-30 22:20:33,190 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-30 22:20:33,190 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-30 22:20:33,190 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-30 22:20:33,190 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-30 22:20:33,191 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-30 22:20:33,191 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-30 22:20:33,191 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-30 22:20:33,191 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-30 22:20:33,191 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-30 22:20:33,191 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-30 22:20:33,191 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,191 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,191 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,191 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,192 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,192 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,192 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-30 22:20:33,192 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-30 22:20:33,192 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-30 22:20:33,192 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 22:20:33,192 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-30 22:20:33,192 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-30 22:20:33,192 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-30 22:20:33,192 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-30 22:20:33,192 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-30 22:20:33,193 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-30 22:20:33,193 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-30 22:20:33,193 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-30 22:20:33,193 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-30 22:20:33,193 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-30 22:20:33,193 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-30 22:20:33,193 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-30 22:20:33,193 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,193 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,193 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,193 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,194 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,194 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,194 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-30 22:20:33,194 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-30 22:20:33,195 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-30 22:20:33,195 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-30 22:20:33,195 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-30 22:20:33,195 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-30 22:20:33,195 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 22:20:33,195 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-30 22:20:33,195 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-30 22:20:33,195 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-30 22:20:33,195 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-30 22:20:33,195 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-30 22:20:33,196 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-30 22:20:33,196 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-30 22:20:33,196 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,196 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,196 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,196 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,196 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,196 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,196 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-30 22:20:33,196 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-30 22:20:33,197 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-30 22:20:33,197 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-30 22:20:33,197 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-30 22:20:33,222 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-30 22:20:33,222 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-30 22:20:33,222 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-30 22:20:33,222 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-30 22:20:33,222 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-30 22:20:33,223 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-30 22:20:33,223 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 22:20:33,223 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-30 22:20:33,223 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,223 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,223 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,223 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,223 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,223 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:20:33,223 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-30 22:20:33,223 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-30 22:20:33,224 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-30 22:20:33,224 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-30 22:20:33,224 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-30 22:20:33,224 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-30 22:20:33,224 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-30 22:20:33,224 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-30 22:20:33,224 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-30 22:20:33,224 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-30 22:20:33,224 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-30 22:20:33,224 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-30 22:20:33,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 10:20:33 BoogieIcfgContainer [2018-12-30 22:20:33,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 22:20:33,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 22:20:33,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 22:20:33,244 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 22:20:33,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 10:20:16" (3/4) ... [2018-12-30 22:20:33,248 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 22:20:33,276 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 22:20:33,277 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 22:20:33,483 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 22:20:33,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 22:20:33,488 INFO L168 Benchmark]: Toolchain (without parser) took 21693.81 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 375.4 MB). Free memory was 942.0 MB in the beginning and 1.3 GB in the end (delta: -405.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 22:20:33,488 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 22:20:33,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -201.5 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-12-30 22:20:33,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-30 22:20:33,490 INFO L168 Benchmark]: Boogie Preprocessor took 83.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-30 22:20:33,490 INFO L168 Benchmark]: RCFGBuilder took 3240.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. [2018-12-30 22:20:33,490 INFO L168 Benchmark]: TraceAbstraction took 17152.83 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -340.3 MB). Peak memory consumption was 353.1 MB. Max. memory is 11.5 GB. [2018-12-30 22:20:33,491 INFO L168 Benchmark]: Witness Printer took 243.15 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-30 22:20:33,495 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 865.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -201.5 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3240.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17152.83 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -340.3 MB). Peak memory consumption was 353.1 MB. Max. memory is 11.5 GB. * Witness Printer took 243.15 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (0 < a1 + 13 || 9 <= a19) || !(3 == a10) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (0 < a1 + 13 || 9 <= a19) || !(3 == a10) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. SAFE Result, 17.0s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 13.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 350 SDtfs, 1584 SDslu, 86 SDs, 0 SdLazy, 4388 SolverSat, 918 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 284 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=699occurred in iteration=3, 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 425 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 30 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1207 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1149 NumberOfCodeBlocks, 1149 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1143 ConstructedInterpolants, 0 QuantifiedInterpolants, 1270650 SizeOfPredicates, 1 NumberOfNonLiveVariables, 364 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 739/749 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...