./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.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/Problem14_label45_true-unreach-call_false-termination.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 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:18:44,209 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 23:18:44,213 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 23:18:44,225 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 23:18:44,225 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 23:18:44,226 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 23:18:44,227 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 23:18:44,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 23:18:44,231 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 23:18:44,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 23:18:44,232 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 23:18:44,233 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 23:18:44,235 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 23:18:44,236 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 23:18:44,237 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 23:18:44,237 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 23:18:44,238 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 23:18:44,240 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 23:18:44,249 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 23:18:44,255 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 23:18:44,257 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 23:18:44,258 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 23:18:44,260 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 23:18:44,260 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 23:18:44,260 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 23:18:44,261 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 23:18:44,262 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 23:18:44,263 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 23:18:44,264 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 23:18:44,265 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 23:18:44,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 23:18:44,266 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 23:18:44,266 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 23:18:44,266 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 23:18:44,267 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 23:18:44,268 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 23:18:44,268 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 23:18:44,283 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 23:18:44,283 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 23:18:44,284 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 23:18:44,284 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 23:18:44,284 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 23:18:44,285 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 23:18:44,285 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 23:18:44,285 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 23:18:44,285 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 23:18:44,285 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 23:18:44,285 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 23:18:44,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 23:18:44,286 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 23:18:44,286 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 23:18:44,286 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 23:18:44,286 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 23:18:44,286 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 23:18:44,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 23:18:44,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 23:18:44,287 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 23:18:44,287 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 23:18:44,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 23:18:44,287 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 23:18:44,288 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 23:18:44,288 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 23:18:44,288 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 23:18:44,288 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 23:18:44,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 23:18:44,288 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 -> 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 [2018-12-30 23:18:44,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 23:18:44,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 23:18:44,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 23:18:44,358 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 23:18:44,358 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 23:18:44,359 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-12-30 23:18:44,416 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b50c42c/5534084937ec47d79bffa75d201460a3/FLAGa61094ac4 [2018-12-30 23:18:44,954 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 23:18:44,955 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-12-30 23:18:44,974 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b50c42c/5534084937ec47d79bffa75d201460a3/FLAGa61094ac4 [2018-12-30 23:18:45,202 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b50c42c/5534084937ec47d79bffa75d201460a3 [2018-12-30 23:18:45,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 23:18:45,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 23:18:45,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 23:18:45,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 23:18:45,216 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 23:18:45,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 11:18:45" (1/1) ... [2018-12-30 23:18:45,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69949a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:45, skipping insertion in model container [2018-12-30 23:18:45,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 11:18:45" (1/1) ... [2018-12-30 23:18:45,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 23:18:45,303 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 23:18:45,870 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 23:18:45,875 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 23:18:46,029 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 23:18:46,056 INFO L195 MainTranslator]: Completed translation [2018-12-30 23:18:46,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:46 WrapperNode [2018-12-30 23:18:46,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 23:18:46,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 23:18:46,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 23:18:46,063 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 23:18:46,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:46" (1/1) ... [2018-12-30 23:18:46,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:46" (1/1) ... [2018-12-30 23:18:46,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 23:18:46,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 23:18:46,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 23:18:46,316 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 23:18:46,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:46" (1/1) ... [2018-12-30 23:18:46,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:46" (1/1) ... [2018-12-30 23:18:46,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:46" (1/1) ... [2018-12-30 23:18:46,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:46" (1/1) ... [2018-12-30 23:18:46,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:46" (1/1) ... [2018-12-30 23:18:46,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:46" (1/1) ... [2018-12-30 23:18:46,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:46" (1/1) ... [2018-12-30 23:18:46,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 23:18:46,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 23:18:46,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 23:18:46,441 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 23:18:46,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:46" (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 23:18:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 23:18:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 23:18:49,708 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 23:18:49,709 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 23:18:49,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 11:18:49 BoogieIcfgContainer [2018-12-30 23:18:49,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 23:18:49,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 23:18:49,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 23:18:49,715 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 23:18:49,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 11:18:45" (1/3) ... [2018-12-30 23:18:49,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7e5051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 11:18:49, skipping insertion in model container [2018-12-30 23:18:49,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 11:18:46" (2/3) ... [2018-12-30 23:18:49,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7e5051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 11:18:49, skipping insertion in model container [2018-12-30 23:18:49,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 11:18:49" (3/3) ... [2018-12-30 23:18:49,720 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label45_true-unreach-call_false-termination.c [2018-12-30 23:18:49,730 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 23:18:49,740 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 23:18:49,757 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 23:18:49,795 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 23:18:49,796 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 23:18:49,796 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 23:18:49,796 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 23:18:49,796 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 23:18:49,797 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 23:18:49,797 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 23:18:49,797 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 23:18:49,797 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 23:18:49,822 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2018-12-30 23:18:49,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-30 23:18:49,829 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:18:49,831 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] [2018-12-30 23:18:49,833 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:18:49,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:18:49,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1318097310, now seen corresponding path program 1 times [2018-12-30 23:18:49,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:18:49,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:18:49,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:18:49,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:18:49,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:18:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:18:50,243 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 23:18:50,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 23:18:50,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 23:18:50,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 23:18:50,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 23:18:50,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 23:18:50,274 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2018-12-30 23:18:53,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:18:53,542 INFO L93 Difference]: Finished difference Result 866 states and 1574 transitions. [2018-12-30 23:18:53,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 23:18:53,545 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2018-12-30 23:18:53,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:18:53,564 INFO L225 Difference]: With dead ends: 866 [2018-12-30 23:18:53,565 INFO L226 Difference]: Without dead ends: 538 [2018-12-30 23:18:53,569 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 23:18:53,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2018-12-30 23:18:53,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 360. [2018-12-30 23:18:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-12-30 23:18:53,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2018-12-30 23:18:53,635 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 36 [2018-12-30 23:18:53,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:18:53,636 INFO L480 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2018-12-30 23:18:53,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 23:18:53,636 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2018-12-30 23:18:53,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-30 23:18:53,640 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:18:53,641 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, 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 23:18:53,641 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:18:53,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:18:53,642 INFO L82 PathProgramCache]: Analyzing trace with hash 598559029, now seen corresponding path program 1 times [2018-12-30 23:18:53,642 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:18:53,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:18:53,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:18:53,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:18:53,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:18:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:18:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 23:18:53,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 23:18:53,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 23:18:53,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 23:18:53,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 23:18:53,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 23:18:53,917 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 4 states. [2018-12-30 23:18:56,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:18:56,057 INFO L93 Difference]: Finished difference Result 1430 states and 2032 transitions. [2018-12-30 23:18:56,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 23:18:56,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2018-12-30 23:18:56,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:18:56,063 INFO L225 Difference]: With dead ends: 1430 [2018-12-30 23:18:56,063 INFO L226 Difference]: Without dead ends: 716 [2018-12-30 23:18:56,066 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 23:18:56,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2018-12-30 23:18:56,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2018-12-30 23:18:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2018-12-30 23:18:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 787 transitions. [2018-12-30 23:18:56,097 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 787 transitions. Word has length 115 [2018-12-30 23:18:56,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:18:56,098 INFO L480 AbstractCegarLoop]: Abstraction has 538 states and 787 transitions. [2018-12-30 23:18:56,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 23:18:56,098 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 787 transitions. [2018-12-30 23:18:56,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-30 23:18:56,101 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:18:56,102 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, 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, 1, 1] [2018-12-30 23:18:56,102 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:18:56,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:18:56,102 INFO L82 PathProgramCache]: Analyzing trace with hash -597275881, now seen corresponding path program 1 times [2018-12-30 23:18:56,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:18:56,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:18:56,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:18:56,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:18:56,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:18:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:18:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 23:18:56,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 23:18:56,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 23:18:56,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 23:18:56,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 23:18:56,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 23:18:56,297 INFO L87 Difference]: Start difference. First operand 538 states and 787 transitions. Second operand 4 states. [2018-12-30 23:18:59,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:18:59,582 INFO L93 Difference]: Finished difference Result 2142 states and 3140 transitions. [2018-12-30 23:18:59,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 23:18:59,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2018-12-30 23:18:59,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:18:59,597 INFO L225 Difference]: With dead ends: 2142 [2018-12-30 23:18:59,597 INFO L226 Difference]: Without dead ends: 1606 [2018-12-30 23:18:59,599 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 23:18:59,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2018-12-30 23:18:59,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1250. [2018-12-30 23:18:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2018-12-30 23:18:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1690 transitions. [2018-12-30 23:18:59,664 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1690 transitions. Word has length 127 [2018-12-30 23:18:59,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:18:59,666 INFO L480 AbstractCegarLoop]: Abstraction has 1250 states and 1690 transitions. [2018-12-30 23:18:59,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 23:18:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1690 transitions. [2018-12-30 23:18:59,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-30 23:18:59,681 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:18:59,682 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, 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, 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] [2018-12-30 23:18:59,683 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:18:59,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:18:59,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1779789830, now seen corresponding path program 1 times [2018-12-30 23:18:59,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:18:59,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:18:59,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:18:59,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:18:59,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:18:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-30 23:19:00,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 23:19:00,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-30 23:19:00,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-30 23:19:00,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-30 23:19:00,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-30 23:19:00,120 INFO L87 Difference]: Start difference. First operand 1250 states and 1690 transitions. Second operand 6 states. [2018-12-30 23:19:02,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:02,972 INFO L93 Difference]: Finished difference Result 2340 states and 3185 transitions. [2018-12-30 23:19:02,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 23:19:02,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 242 [2018-12-30 23:19:02,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:02,979 INFO L225 Difference]: With dead ends: 2340 [2018-12-30 23:19:02,979 INFO L226 Difference]: Without dead ends: 1270 [2018-12-30 23:19:02,981 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-12-30 23:19:02,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2018-12-30 23:19:03,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1250. [2018-12-30 23:19:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2018-12-30 23:19:03,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1661 transitions. [2018-12-30 23:19:03,011 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1661 transitions. Word has length 242 [2018-12-30 23:19:03,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:03,012 INFO L480 AbstractCegarLoop]: Abstraction has 1250 states and 1661 transitions. [2018-12-30 23:19:03,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-30 23:19:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1661 transitions. [2018-12-30 23:19:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-12-30 23:19:03,018 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:03,019 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 23:19:03,019 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:03,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:03,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1462057874, now seen corresponding path program 1 times [2018-12-30 23:19:03,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:03,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:03,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:03,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:03,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:03,476 WARN L181 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-12-30 23:19:03,882 WARN L181 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 16 [2018-12-30 23:19:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 245 proven. 4 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-30 23:19:03,977 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 23:19:03,977 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 23:19:03,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:04,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 23:19:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-30 23:19:04,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 23:19:04,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-12-30 23:19:04,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-30 23:19:04,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-30 23:19:04,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-30 23:19:04,286 INFO L87 Difference]: Start difference. First operand 1250 states and 1661 transitions. Second operand 6 states. [2018-12-30 23:19:11,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:11,575 INFO L93 Difference]: Finished difference Result 3446 states and 4589 transitions. [2018-12-30 23:19:11,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-30 23:19:11,576 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 322 [2018-12-30 23:19:11,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:11,586 INFO L225 Difference]: With dead ends: 3446 [2018-12-30 23:19:11,586 INFO L226 Difference]: Without dead ends: 1962 [2018-12-30 23:19:11,588 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-12-30 23:19:11,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2018-12-30 23:19:11,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1250. [2018-12-30 23:19:11,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2018-12-30 23:19:11,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1378 transitions. [2018-12-30 23:19:11,621 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1378 transitions. Word has length 322 [2018-12-30 23:19:11,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:11,621 INFO L480 AbstractCegarLoop]: Abstraction has 1250 states and 1378 transitions. [2018-12-30 23:19:11,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-30 23:19:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1378 transitions. [2018-12-30 23:19:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-12-30 23:19:11,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:11,629 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 23:19:11,629 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:11,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:11,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1098217332, now seen corresponding path program 1 times [2018-12-30 23:19:11,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:11,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:11,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:11,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:11,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:12,269 WARN L181 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 13 [2018-12-30 23:19:12,684 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 180 proven. 130 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-30 23:19:12,684 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 23:19:12,684 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 [2018-12-30 23:19:12,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:12,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 23:19:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2018-12-30 23:19:13,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 23:19:13,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2018-12-30 23:19:13,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-30 23:19:13,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-30 23:19:13,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-30 23:19:13,034 INFO L87 Difference]: Start difference. First operand 1250 states and 1378 transitions. Second operand 8 states. [2018-12-30 23:19:14,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:14,220 INFO L93 Difference]: Finished difference Result 3035 states and 3409 transitions. [2018-12-30 23:19:14,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 23:19:14,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 362 [2018-12-30 23:19:14,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:14,229 INFO L225 Difference]: With dead ends: 3035 [2018-12-30 23:19:14,230 INFO L226 Difference]: Without dead ends: 1965 [2018-12-30 23:19:14,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-30 23:19:14,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2018-12-30 23:19:14,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1962. [2018-12-30 23:19:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2018-12-30 23:19:14,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2146 transitions. [2018-12-30 23:19:14,272 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2146 transitions. Word has length 362 [2018-12-30 23:19:14,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:14,273 INFO L480 AbstractCegarLoop]: Abstraction has 1962 states and 2146 transitions. [2018-12-30 23:19:14,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-30 23:19:14,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2146 transitions. [2018-12-30 23:19:14,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2018-12-30 23:19:14,284 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:14,284 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 23:19:14,285 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:14,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:14,285 INFO L82 PathProgramCache]: Analyzing trace with hash -339650002, now seen corresponding path program 1 times [2018-12-30 23:19:14,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:14,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:14,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:14,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:14,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:14,792 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 13 [2018-12-30 23:19:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 669 proven. 10 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-30 23:19:15,176 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 23:19:15,176 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 [2018-12-30 23:19:15,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:15,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 23:19:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 419 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-12-30 23:19:15,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 23:19:15,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2018-12-30 23:19:15,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-30 23:19:15,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-30 23:19:15,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-30 23:19:15,710 INFO L87 Difference]: Start difference. First operand 1962 states and 2146 transitions. Second operand 9 states. [2018-12-30 23:19:18,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:18,675 INFO L93 Difference]: Finished difference Result 4634 states and 5081 transitions. [2018-12-30 23:19:18,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-30 23:19:18,676 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 470 [2018-12-30 23:19:18,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:18,686 INFO L225 Difference]: With dead ends: 4634 [2018-12-30 23:19:18,687 INFO L226 Difference]: Without dead ends: 2318 [2018-12-30 23:19:18,691 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 470 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-12-30 23:19:18,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2018-12-30 23:19:18,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2018-12-30 23:19:18,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2018-12-30 23:19:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2418 transitions. [2018-12-30 23:19:18,733 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2418 transitions. Word has length 470 [2018-12-30 23:19:18,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:18,733 INFO L480 AbstractCegarLoop]: Abstraction has 2318 states and 2418 transitions. [2018-12-30 23:19:18,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-30 23:19:18,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2418 transitions. [2018-12-30 23:19:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2018-12-30 23:19:18,740 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:18,740 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2018-12-30 23:19:18,740 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:18,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:18,742 INFO L82 PathProgramCache]: Analyzing trace with hash 225937955, now seen corresponding path program 1 times [2018-12-30 23:19:18,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:18,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:18,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:18,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:18,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 622 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-30 23:19:19,533 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 23:19:19,533 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-30 23:19:19,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:19,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 23:19:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 603 proven. 23 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-30 23:19:20,391 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-30 23:19:20,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2018-12-30 23:19:20,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-30 23:19:20,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-30 23:19:20,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-30 23:19:20,393 INFO L87 Difference]: Start difference. First operand 2318 states and 2418 transitions. Second operand 8 states. [2018-12-30 23:19:22,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:22,147 INFO L93 Difference]: Finished difference Result 4667 states and 4868 transitions. [2018-12-30 23:19:22,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-30 23:19:22,148 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 561 [2018-12-30 23:19:22,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:22,159 INFO L225 Difference]: With dead ends: 4667 [2018-12-30 23:19:22,159 INFO L226 Difference]: Without dead ends: 2529 [2018-12-30 23:19:22,162 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-12-30 23:19:22,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2529 states. [2018-12-30 23:19:22,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2529 to 2318. [2018-12-30 23:19:22,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2018-12-30 23:19:22,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2417 transitions. [2018-12-30 23:19:22,205 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2417 transitions. Word has length 561 [2018-12-30 23:19:22,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:22,206 INFO L480 AbstractCegarLoop]: Abstraction has 2318 states and 2417 transitions. [2018-12-30 23:19:22,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-30 23:19:22,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2417 transitions. [2018-12-30 23:19:22,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2018-12-30 23:19:22,213 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:22,213 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 23:19:22,214 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:22,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:22,214 INFO L82 PathProgramCache]: Analyzing trace with hash -963993425, now seen corresponding path program 1 times [2018-12-30 23:19:22,214 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:22,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:22,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:22,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:22,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:22,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 896 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-12-30 23:19:22,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 23:19:22,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 23:19:22,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 23:19:22,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 23:19:22,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 23:19:22,788 INFO L87 Difference]: Start difference. First operand 2318 states and 2417 transitions. Second operand 3 states. [2018-12-30 23:19:23,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:23,467 INFO L93 Difference]: Finished difference Result 5346 states and 5610 transitions. [2018-12-30 23:19:23,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 23:19:23,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 650 [2018-12-30 23:19:23,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:23,480 INFO L225 Difference]: With dead ends: 5346 [2018-12-30 23:19:23,480 INFO L226 Difference]: Without dead ends: 3208 [2018-12-30 23:19:23,483 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 23:19:23,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2018-12-30 23:19:23,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2018-12-30 23:19:23,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2018-12-30 23:19:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3181 transitions. [2018-12-30 23:19:23,533 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3181 transitions. Word has length 650 [2018-12-30 23:19:23,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:23,534 INFO L480 AbstractCegarLoop]: Abstraction has 3030 states and 3181 transitions. [2018-12-30 23:19:23,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 23:19:23,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3181 transitions. [2018-12-30 23:19:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 696 [2018-12-30 23:19:23,542 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:23,543 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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 23:19:23,543 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:23,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:23,544 INFO L82 PathProgramCache]: Analyzing trace with hash 689865864, now seen corresponding path program 1 times [2018-12-30 23:19:23,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:23,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:23,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:23,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:23,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:24,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1291 backedges. 769 proven. 174 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-12-30 23:19:24,793 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 23:19:24,793 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-30 23:19:24,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:24,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 23:19:26,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1291 backedges. 914 proven. 29 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-12-30 23:19:26,269 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-30 23:19:26,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2018-12-30 23:19:26,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-30 23:19:26,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-30 23:19:26,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-30 23:19:26,271 INFO L87 Difference]: Start difference. First operand 3030 states and 3181 transitions. Second operand 8 states. [2018-12-30 23:19:28,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:28,483 INFO L93 Difference]: Finished difference Result 5921 states and 6222 transitions. [2018-12-30 23:19:28,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-30 23:19:28,486 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 695 [2018-12-30 23:19:28,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:28,499 INFO L225 Difference]: With dead ends: 5921 [2018-12-30 23:19:28,500 INFO L226 Difference]: Without dead ends: 3071 [2018-12-30 23:19:28,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 694 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-12-30 23:19:28,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3071 states. [2018-12-30 23:19:28,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3071 to 2852. [2018-12-30 23:19:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2018-12-30 23:19:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 2988 transitions. [2018-12-30 23:19:28,552 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 2988 transitions. Word has length 695 [2018-12-30 23:19:28,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:28,553 INFO L480 AbstractCegarLoop]: Abstraction has 2852 states and 2988 transitions. [2018-12-30 23:19:28,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-30 23:19:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 2988 transitions. [2018-12-30 23:19:28,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2018-12-30 23:19:28,561 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:28,562 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 23:19:28,562 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:28,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:28,562 INFO L82 PathProgramCache]: Analyzing trace with hash 750664143, now seen corresponding path program 1 times [2018-12-30 23:19:28,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:28,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:28,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:28,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:28,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:29,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 1140 proven. 0 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2018-12-30 23:19:29,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 23:19:29,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 23:19:29,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 23:19:29,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 23:19:29,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 23:19:29,215 INFO L87 Difference]: Start difference. First operand 2852 states and 2988 transitions. Second operand 3 states. [2018-12-30 23:19:30,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:30,127 INFO L93 Difference]: Finished difference Result 6058 states and 6357 transitions. [2018-12-30 23:19:30,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 23:19:30,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 722 [2018-12-30 23:19:30,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:30,141 INFO L225 Difference]: With dead ends: 6058 [2018-12-30 23:19:30,141 INFO L226 Difference]: Without dead ends: 3386 [2018-12-30 23:19:30,144 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 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 23:19:30,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2018-12-30 23:19:30,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3386. [2018-12-30 23:19:30,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2018-12-30 23:19:30,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3532 transitions. [2018-12-30 23:19:30,198 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3532 transitions. Word has length 722 [2018-12-30 23:19:30,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:30,199 INFO L480 AbstractCegarLoop]: Abstraction has 3386 states and 3532 transitions. [2018-12-30 23:19:30,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 23:19:30,199 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3532 transitions. [2018-12-30 23:19:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 878 [2018-12-30 23:19:30,209 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:30,210 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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 23:19:30,210 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:30,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:30,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1954280938, now seen corresponding path program 1 times [2018-12-30 23:19:30,212 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:30,212 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:30,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:30,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:30,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:31,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2336 backedges. 1516 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2018-12-30 23:19:31,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 23:19:31,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 23:19:31,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 23:19:31,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 23:19:31,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 23:19:31,147 INFO L87 Difference]: Start difference. First operand 3386 states and 3532 transitions. Second operand 4 states. [2018-12-30 23:19:32,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:32,103 INFO L93 Difference]: Finished difference Result 6948 states and 7269 transitions. [2018-12-30 23:19:32,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 23:19:32,103 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 877 [2018-12-30 23:19:32,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:32,118 INFO L225 Difference]: With dead ends: 6948 [2018-12-30 23:19:32,118 INFO L226 Difference]: Without dead ends: 3742 [2018-12-30 23:19:32,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 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 23:19:32,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2018-12-30 23:19:32,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742. [2018-12-30 23:19:32,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2018-12-30 23:19:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 3871 transitions. [2018-12-30 23:19:32,182 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 3871 transitions. Word has length 877 [2018-12-30 23:19:32,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:32,183 INFO L480 AbstractCegarLoop]: Abstraction has 3742 states and 3871 transitions. [2018-12-30 23:19:32,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 23:19:32,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 3871 transitions. [2018-12-30 23:19:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 971 [2018-12-30 23:19:32,198 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:32,198 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-30 23:19:32,199 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:32,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:32,199 INFO L82 PathProgramCache]: Analyzing trace with hash 625456656, now seen corresponding path program 1 times [2018-12-30 23:19:32,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:32,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:32,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:32,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:32,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:32,699 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-30 23:19:32,900 WARN L181 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-30 23:19:33,136 WARN L181 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-30 23:19:33,374 WARN L181 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-30 23:19:35,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2909 backedges. 1978 proven. 199 refuted. 0 times theorem prover too weak. 732 trivial. 0 not checked. [2018-12-30 23:19:35,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 23:19:35,202 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-30 23:19:35,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:35,423 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 23:19:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2909 backedges. 1885 proven. 93 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2018-12-30 23:19:36,563 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-30 23:19:36,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2018-12-30 23:19:36,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-30 23:19:36,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-30 23:19:36,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-12-30 23:19:36,565 INFO L87 Difference]: Start difference. First operand 3742 states and 3871 transitions. Second operand 8 states. [2018-12-30 23:19:38,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:38,641 INFO L93 Difference]: Finished difference Result 7521 states and 7787 transitions. [2018-12-30 23:19:38,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-30 23:19:38,643 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 970 [2018-12-30 23:19:38,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:38,658 INFO L225 Difference]: With dead ends: 7521 [2018-12-30 23:19:38,659 INFO L226 Difference]: Without dead ends: 3959 [2018-12-30 23:19:38,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 977 GetRequests, 969 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-12-30 23:19:38,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3959 states. [2018-12-30 23:19:38,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3959 to 3920. [2018-12-30 23:19:38,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2018-12-30 23:19:38,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4040 transitions. [2018-12-30 23:19:38,721 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4040 transitions. Word has length 970 [2018-12-30 23:19:38,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:38,722 INFO L480 AbstractCegarLoop]: Abstraction has 3920 states and 4040 transitions. [2018-12-30 23:19:38,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-30 23:19:38,722 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4040 transitions. [2018-12-30 23:19:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1048 [2018-12-30 23:19:38,736 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:38,736 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-30 23:19:38,738 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:38,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:38,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1401544166, now seen corresponding path program 1 times [2018-12-30 23:19:38,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:38,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:38,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:38,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:38,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:39,350 WARN L181 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-12-30 23:19:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 1082 proven. 0 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2018-12-30 23:19:40,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 23:19:40,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 23:19:40,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 23:19:40,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 23:19:40,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 23:19:40,311 INFO L87 Difference]: Start difference. First operand 3920 states and 4040 transitions. Second operand 4 states. [2018-12-30 23:19:41,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:41,250 INFO L93 Difference]: Finished difference Result 7660 states and 7899 transitions. [2018-12-30 23:19:41,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 23:19:41,251 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1047 [2018-12-30 23:19:41,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:41,258 INFO L225 Difference]: With dead ends: 7660 [2018-12-30 23:19:41,258 INFO L226 Difference]: Without dead ends: 3742 [2018-12-30 23:19:41,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 23:19:41,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2018-12-30 23:19:41,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742. [2018-12-30 23:19:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2018-12-30 23:19:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 3816 transitions. [2018-12-30 23:19:41,301 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 3816 transitions. Word has length 1047 [2018-12-30 23:19:41,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:41,302 INFO L480 AbstractCegarLoop]: Abstraction has 3742 states and 3816 transitions. [2018-12-30 23:19:41,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 23:19:41,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 3816 transitions. [2018-12-30 23:19:41,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1096 [2018-12-30 23:19:41,313 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:41,314 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 23:19:41,314 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:41,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:41,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1689291374, now seen corresponding path program 1 times [2018-12-30 23:19:41,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:41,315 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:41,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:41,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:41,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:42,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3788 backedges. 2451 proven. 0 refuted. 0 times theorem prover too weak. 1337 trivial. 0 not checked. [2018-12-30 23:19:42,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 23:19:42,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-30 23:19:42,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-30 23:19:42,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-30 23:19:42,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 23:19:42,409 INFO L87 Difference]: Start difference. First operand 3742 states and 3816 transitions. Second operand 5 states. [2018-12-30 23:19:43,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:43,631 INFO L93 Difference]: Finished difference Result 7660 states and 7819 transitions. [2018-12-30 23:19:43,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 23:19:43,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1095 [2018-12-30 23:19:43,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:43,640 INFO L225 Difference]: With dead ends: 7660 [2018-12-30 23:19:43,641 INFO L226 Difference]: Without dead ends: 4098 [2018-12-30 23:19:43,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 23:19:43,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2018-12-30 23:19:43,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3920. [2018-12-30 23:19:43,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2018-12-30 23:19:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 3996 transitions. [2018-12-30 23:19:43,701 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 3996 transitions. Word has length 1095 [2018-12-30 23:19:43,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:43,702 INFO L480 AbstractCegarLoop]: Abstraction has 3920 states and 3996 transitions. [2018-12-30 23:19:43,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-30 23:19:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 3996 transitions. [2018-12-30 23:19:43,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1633 [2018-12-30 23:19:43,727 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:43,728 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 23:19:43,728 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:43,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:43,729 INFO L82 PathProgramCache]: Analyzing trace with hash 2046809236, now seen corresponding path program 1 times [2018-12-30 23:19:43,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:43,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:43,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:43,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:43,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:46,210 INFO L134 CoverageAnalysis]: Checked inductivity of 8487 backedges. 3476 proven. 435 refuted. 0 times theorem prover too weak. 4576 trivial. 0 not checked. [2018-12-30 23:19:46,211 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 23:19:46,211 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-30 23:19:46,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:46,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 23:19:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8487 backedges. 3544 proven. 367 refuted. 0 times theorem prover too weak. 4576 trivial. 0 not checked. [2018-12-30 23:19:48,348 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-30 23:19:48,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2018-12-30 23:19:48,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-30 23:19:48,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-30 23:19:48,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-12-30 23:19:48,350 INFO L87 Difference]: Start difference. First operand 3920 states and 3996 transitions. Second operand 10 states. [2018-12-30 23:19:53,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:19:53,123 INFO L93 Difference]: Finished difference Result 8016 states and 8173 transitions. [2018-12-30 23:19:53,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-30 23:19:53,124 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1632 [2018-12-30 23:19:53,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:19:53,134 INFO L225 Difference]: With dead ends: 8016 [2018-12-30 23:19:53,134 INFO L226 Difference]: Without dead ends: 4098 [2018-12-30 23:19:53,138 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1644 GetRequests, 1632 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-12-30 23:19:53,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2018-12-30 23:19:53,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098. [2018-12-30 23:19:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2018-12-30 23:19:53,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4164 transitions. [2018-12-30 23:19:53,198 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4164 transitions. Word has length 1632 [2018-12-30 23:19:53,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:19:53,199 INFO L480 AbstractCegarLoop]: Abstraction has 4098 states and 4164 transitions. [2018-12-30 23:19:53,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-30 23:19:53,201 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4164 transitions. [2018-12-30 23:19:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2127 [2018-12-30 23:19:53,239 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 23:19:53,240 INFO L402 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 12, 12, 12, 11, 11, 11, 11, 10, 9, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 23:19:53,240 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 23:19:53,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 23:19:53,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1720440161, now seen corresponding path program 1 times [2018-12-30 23:19:53,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 23:19:53,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 23:19:53,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:53,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:53,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 23:19:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 14616 backedges. 9436 proven. 266 refuted. 0 times theorem prover too weak. 4914 trivial. 0 not checked. [2018-12-30 23:19:57,008 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 23:19:57,008 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-30 23:19:57,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 23:19:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 23:19:57,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 23:20:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 14616 backedges. 9436 proven. 0 refuted. 0 times theorem prover too weak. 5180 trivial. 0 not checked. [2018-12-30 23:20:00,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 23:20:00,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-12-30 23:20:00,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-30 23:20:00,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-30 23:20:00,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 23:20:00,122 INFO L87 Difference]: Start difference. First operand 4098 states and 4164 transitions. Second operand 5 states. [2018-12-30 23:20:01,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 23:20:01,192 INFO L93 Difference]: Finished difference Result 7302 states and 7418 transitions. [2018-12-30 23:20:01,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 23:20:01,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 2126 [2018-12-30 23:20:01,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 23:20:01,194 INFO L225 Difference]: With dead ends: 7302 [2018-12-30 23:20:01,195 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 23:20:01,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2130 GetRequests, 2126 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 23:20:01,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 23:20:01,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 23:20:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 23:20:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 23:20:01,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2126 [2018-12-30 23:20:01,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 23:20:01,201 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 23:20:01,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-30 23:20:01,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 23:20:01,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 23:20:01,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 23:20:01,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 23:20:01,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 23:20:01,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 23:20:01,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 23:20:01,403 WARN L181 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 187 [2018-12-30 23:20:01,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 23:20:01,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 23:20:01,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 23:20:01,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 23:20:01,583 WARN L181 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 188 [2018-12-30 23:20:02,815 WARN L181 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 165 DAG size of output: 87 [2018-12-30 23:20:03,955 WARN L181 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 168 DAG size of output: 91 [2018-12-30 23:20:03,960 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-30 23:20:03,960 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-30 23:20:03,960 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,960 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,960 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,961 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-30 23:20:03,961 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-30 23:20:03,961 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-30 23:20:03,961 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-30 23:20:03,961 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-30 23:20:03,961 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-30 23:20:03,961 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-30 23:20:03,961 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-30 23:20:03,961 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,961 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,962 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,962 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-30 23:20:03,962 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-30 23:20:03,962 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-30 23:20:03,962 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-30 23:20:03,962 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-30 23:20:03,962 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-30 23:20:03,962 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-30 23:20:03,962 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-30 23:20:03,962 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,962 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,963 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,968 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-30 23:20:03,968 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-30 23:20:03,968 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-30 23:20:03,968 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-30 23:20:03,969 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-30 23:20:03,969 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-30 23:20:03,969 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-30 23:20:03,969 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-30 23:20:03,969 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-30 23:20:03,969 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,969 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,969 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,969 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-30 23:20:03,969 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-30 23:20:03,969 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-30 23:20:03,969 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-30 23:20:03,970 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-30 23:20:03,970 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-30 23:20:03,970 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-30 23:20:03,970 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,970 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,970 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,970 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-30 23:20:03,970 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-30 23:20:03,970 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-30 23:20:03,970 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-30 23:20:03,970 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-30 23:20:03,970 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-30 23:20:03,971 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-30 23:20:03,971 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-30 23:20:03,971 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-30 23:20:03,971 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,971 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,971 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,971 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-30 23:20:03,971 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-30 23:20:03,971 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-30 23:20:03,971 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-30 23:20:03,971 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-30 23:20:03,971 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-30 23:20:03,972 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-30 23:20:03,972 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-30 23:20:03,972 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,972 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,972 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,972 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-30 23:20:03,972 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-30 23:20:03,972 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-30 23:20:03,972 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-30 23:20:03,972 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-30 23:20:03,972 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-30 23:20:03,972 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-30 23:20:03,973 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-30 23:20:03,973 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,973 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,973 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,973 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-30 23:20:03,973 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-30 23:20:03,973 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 23:20:03,973 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-30 23:20:03,973 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-30 23:20:03,973 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-30 23:20:03,973 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-30 23:20:03,974 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-30 23:20:03,974 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-30 23:20:03,974 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,974 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,974 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,974 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-30 23:20:03,974 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-30 23:20:03,974 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-30 23:20:03,974 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-30 23:20:03,974 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-30 23:20:03,974 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-30 23:20:03,975 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-30 23:20:03,975 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-30 23:20:03,975 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,975 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,975 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,975 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-30 23:20:03,975 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-30 23:20:03,975 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-30 23:20:03,975 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-30 23:20:03,975 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-30 23:20:03,975 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-30 23:20:03,976 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 23:20:03,976 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-30 23:20:03,976 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-30 23:20:03,976 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,976 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,976 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,976 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-30 23:20:03,976 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-30 23:20:03,976 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-30 23:20:03,976 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-30 23:20:03,976 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-30 23:20:03,977 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-30 23:20:03,977 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-30 23:20:03,977 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-30 23:20:03,977 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,977 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,977 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,977 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-30 23:20:03,977 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-30 23:20:03,977 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-30 23:20:03,977 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-30 23:20:03,977 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-30 23:20:03,977 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-30 23:20:03,978 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-30 23:20:03,978 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-30 23:20:03,978 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,978 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,978 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-30 23:20:03,978 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-30 23:20:03,978 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-30 23:20:03,978 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-30 23:20:03,978 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-30 23:20:03,978 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-30 23:20:03,978 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-30 23:20:03,978 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-30 23:20:03,979 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,979 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,979 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-30 23:20:03,979 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-30 23:20:03,979 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-30 23:20:03,979 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-30 23:20:03,979 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-30 23:20:03,979 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-30 23:20:03,979 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,979 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,980 INFO L444 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse8 (not (= 7 ~a15~0))) (.cse0 (not (= 7 ~a21~0))) (.cse14 (<= ~a15~0 7)) (.cse16 (+ ~a12~0 43))) (let ((.cse4 (= ~a21~0 8)) (.cse6 (not (= ~a21~0 9))) (.cse10 (< 0 .cse16)) (.cse7 (<= .cse16 0)) (.cse11 (= ~a21~0 6)) (.cse13 (< 80 ~a12~0)) (.cse3 (= ~a24~0 1)) (.cse2 (= ~a21~0 10)) (.cse9 (<= ~a12~0 11)) (.cse1 (<= ~a15~0 8)) (.cse5 (= ~a15~0 9)) (.cse12 (or (and .cse14 .cse8) (and .cse0 .cse14))) (.cse15 (<= ~a24~0 1))) (or (and (and (<= ~a12~0 80) .cse0 .cse1 (not .cse2)) .cse3) (and (<= ~a12~0 73282) (and .cse3 .cse4 .cse1)) (and .cse4 (<= ~a12~0 72) .cse5 (<= 19 ~a12~0)) (and .cse4 (<= (+ ~a12~0 526767) 0) .cse5) (and .cse5 (and .cse6 (and .cse0 .cse3 .cse7))) (and (and (and .cse8 .cse1) .cse3) .cse9 .cse10) (and (and .cse6 .cse0) .cse5 .cse9 .cse10) (and .cse11 .cse3 .cse1) (and .cse7 .cse12 (<= ~a21~0 6)) (and (not .cse11) .cse5 .cse13) (and .cse13 (and .cse3 .cse2 .cse1)) (and (not (= ULTIMATE.start_calculate_output_~input 3)) (= ~a15~0 8) .cse3 (<= (+ ~a12~0 49) 0)) (and (and .cse14 .cse15) (<= (+ ~a12~0 460233) 0)) (and .cse3 .cse2 .cse9 .cse1) (and (<= ~a12~0 95434) (<= 95381 ~a12~0) .cse5) (and .cse12 .cse15) (= ~a15~0 6)))) [2018-12-30 23:20:03,980 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-30 23:20:03,980 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-30 23:20:03,980 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-30 23:20:03,980 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-30 23:20:03,980 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-30 23:20:03,980 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-30 23:20:03,981 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-30 23:20:03,981 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-30 23:20:03,981 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,981 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,981 INFO L451 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-12-30 23:20:03,981 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-30 23:20:03,981 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-30 23:20:03,981 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-30 23:20:03,981 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-30 23:20:03,981 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-30 23:20:03,981 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-30 23:20:03,981 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-30 23:20:03,982 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,982 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,982 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-30 23:20:03,982 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-30 23:20:03,982 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-30 23:20:03,982 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-30 23:20:03,982 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 23:20:03,982 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-30 23:20:03,982 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-30 23:20:03,982 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,982 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,982 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-30 23:20:03,983 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,983 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-30 23:20:03,983 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse8 (not (= 7 ~a15~0))) (.cse0 (not (= 7 ~a21~0))) (.cse14 (<= ~a15~0 7)) (.cse16 (+ ~a12~0 43))) (let ((.cse4 (= ~a21~0 8)) (.cse6 (not (= ~a21~0 9))) (.cse10 (< 0 .cse16)) (.cse7 (<= .cse16 0)) (.cse11 (= ~a21~0 6)) (.cse13 (< 80 ~a12~0)) (.cse3 (= ~a24~0 1)) (.cse2 (= ~a21~0 10)) (.cse9 (<= ~a12~0 11)) (.cse1 (<= ~a15~0 8)) (.cse5 (= ~a15~0 9)) (.cse12 (or (and .cse14 .cse8) (and .cse0 .cse14))) (.cse15 (<= ~a24~0 1))) (or (and (and (<= ~a12~0 80) .cse0 .cse1 (not .cse2)) .cse3) (and (= ~a15~0 8) .cse3 (<= (+ ~a12~0 49) 0)) (and (<= ~a12~0 73282) (and .cse3 .cse4 .cse1)) (and .cse4 (<= ~a12~0 72) .cse5 (<= 19 ~a12~0)) (and .cse4 (<= (+ ~a12~0 526767) 0) .cse5) (and .cse5 (and .cse6 (and .cse0 .cse3 .cse7))) (and (and (and .cse8 .cse1) .cse3) .cse9 .cse10) (and (and .cse6 .cse0) .cse5 .cse9 .cse10) (and .cse11 .cse3 .cse1) (and .cse7 .cse12 (<= ~a21~0 6)) (and (not .cse11) .cse5 .cse13) (and .cse13 (and .cse3 .cse2 .cse1)) (and (and .cse14 .cse15) (<= (+ ~a12~0 460233) 0)) (and .cse3 .cse2 .cse9 .cse1) (and (<= ~a12~0 95434) (<= 95381 ~a12~0) .cse5) (and .cse12 .cse15) (= ~a15~0 6)))) [2018-12-30 23:20:03,983 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-30 23:20:03,983 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-30 23:20:03,983 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-30 23:20:03,983 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-30 23:20:03,983 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-30 23:20:03,983 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-30 23:20:03,984 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-30 23:20:03,984 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-30 23:20:03,984 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-30 23:20:03,984 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,984 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,984 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,984 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-30 23:20:03,984 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-30 23:20:03,984 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-30 23:20:03,984 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-30 23:20:03,985 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2018-12-30 23:20:03,985 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-30 23:20:03,985 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-30 23:20:03,985 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-30 23:20:03,985 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-30 23:20:03,985 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-30 23:20:03,985 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,985 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,985 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,985 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-30 23:20:03,985 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-30 23:20:03,985 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-30 23:20:03,986 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-30 23:20:03,986 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 23:20:03,986 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-30 23:20:03,986 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-30 23:20:03,986 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-30 23:20:03,986 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-30 23:20:03,986 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,986 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,986 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,986 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-30 23:20:03,986 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-30 23:20:03,986 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-30 23:20:03,987 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-30 23:20:03,987 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-30 23:20:03,987 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-30 23:20:03,987 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-30 23:20:03,987 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-30 23:20:03,987 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-30 23:20:03,987 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,987 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,987 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-30 23:20:03,987 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-30 23:20:03,987 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-30 23:20:03,987 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-30 23:20:03,988 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-30 23:20:03,988 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-30 23:20:04,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 11:20:04 BoogieIcfgContainer [2018-12-30 23:20:04,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 23:20:04,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 23:20:04,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 23:20:04,032 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 23:20:04,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 11:18:49" (3/4) ... [2018-12-30 23:20:04,038 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 23:20:04,099 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 23:20:04,103 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 23:20:04,328 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 23:20:04,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 23:20:04,329 INFO L168 Benchmark]: Toolchain (without parser) took 79121.52 ms. Allocated memory was 1.0 GB in the beginning and 4.1 GB in the end (delta: 3.1 GB). Free memory was 946.0 MB in the beginning and 1.9 GB in the end (delta: -957.6 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-30 23:20:04,330 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 23:20:04,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.81 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 908.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-30 23:20:04,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 253.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 908.4 MB in the beginning and 1.1 GB in the end (delta: -229.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-12-30 23:20:04,331 INFO L168 Benchmark]: Boogie Preprocessor took 124.17 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 23:20:04,331 INFO L168 Benchmark]: RCFGBuilder took 3269.04 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: 124.6 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. [2018-12-30 23:20:04,331 INFO L168 Benchmark]: TraceAbstraction took 74320.48 ms. Allocated memory was 1.2 GB in the beginning and 4.1 GB in the end (delta: 2.9 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -897.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-12-30 23:20:04,332 INFO L168 Benchmark]: Witness Printer took 296.14 ms. Allocated memory is still 4.1 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-12-30 23:20:04,334 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 851.81 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 908.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 253.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 908.4 MB in the beginning and 1.1 GB in the end (delta: -229.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 124.17 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 3269.04 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: 124.6 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 74320.48 ms. Allocated memory was 1.2 GB in the beginning and 4.1 GB in the end (delta: 2.9 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -897.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 296.14 ms. Allocated memory is still 4.1 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 112]: 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: 880]: Loop Invariant Derived loop invariant: (((((((((((((((((((a12 <= 80 && !(7 == a21)) && a15 <= 8) && !(a21 == 10)) && a24 == 1) || ((a15 == 8 && a24 == 1) && a12 + 49 <= 0)) || (a12 <= 73282 && (a24 == 1 && a21 == 8) && a15 <= 8)) || (((a21 == 8 && a12 <= 72) && a15 == 9) && 19 <= a12)) || ((a21 == 8 && a12 + 526767 <= 0) && a15 == 9)) || (a15 == 9 && !(a21 == 9) && (!(7 == a21) && a24 == 1) && a12 + 43 <= 0)) || ((((!(7 == a15) && a15 <= 8) && a24 == 1) && a12 <= 11) && 0 < a12 + 43)) || ((((!(a21 == 9) && !(7 == a21)) && a15 == 9) && a12 <= 11) && 0 < a12 + 43)) || ((a21 == 6 && a24 == 1) && a15 <= 8)) || ((a12 + 43 <= 0 && ((a15 <= 7 && !(7 == a15)) || (!(7 == a21) && a15 <= 7))) && a21 <= 6)) || ((!(a21 == 6) && a15 == 9) && 80 < a12)) || (80 < a12 && (a24 == 1 && a21 == 10) && a15 <= 8)) || ((a15 <= 7 && a24 <= 1) && a12 + 460233 <= 0)) || (((a24 == 1 && a21 == 10) && a12 <= 11) && a15 <= 8)) || ((a12 <= 95434 && 95381 <= a12) && a15 == 9)) || (((a15 <= 7 && !(7 == a15)) || (!(7 == a21) && a15 <= 7)) && a24 <= 1)) || a15 == 6 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((((((((((((a12 <= 80 && !(7 == a21)) && a15 <= 8) && !(a21 == 10)) && a24 == 1) || (a12 <= 73282 && (a24 == 1 && a21 == 8) && a15 <= 8)) || (((a21 == 8 && a12 <= 72) && a15 == 9) && 19 <= a12)) || ((a21 == 8 && a12 + 526767 <= 0) && a15 == 9)) || (a15 == 9 && !(a21 == 9) && (!(7 == a21) && a24 == 1) && a12 + 43 <= 0)) || ((((!(7 == a15) && a15 <= 8) && a24 == 1) && a12 <= 11) && 0 < a12 + 43)) || ((((!(a21 == 9) && !(7 == a21)) && a15 == 9) && a12 <= 11) && 0 < a12 + 43)) || ((a21 == 6 && a24 == 1) && a15 <= 8)) || ((a12 + 43 <= 0 && ((a15 <= 7 && !(7 == a15)) || (!(7 == a21) && a15 <= 7))) && a21 <= 6)) || ((!(a21 == 6) && a15 == 9) && 80 < a12)) || (80 < a12 && (a24 == 1 && a21 == 10) && a15 <= 8)) || (((!(input == 3) && a15 == 8) && a24 == 1) && a12 + 49 <= 0)) || ((a15 <= 7 && a24 <= 1) && a12 + 460233 <= 0)) || (((a24 == 1 && a21 == 10) && a12 <= 11) && a15 <= 8)) || ((a12 <= 95434 && 95381 <= a12) && a15 == 9)) || (((a15 <= 7 && !(7 == a15)) || (!(7 == a21) && a15 <= 7)) && a24 <= 1)) || a15 == 6 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. SAFE Result, 74.2s OverallTime, 17 OverallIterations, 18 TraceHistogramMax, 39.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1317 SDtfs, 7734 SDslu, 373 SDs, 0 SdLazy, 24125 SolverSat, 2183 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7245 GetRequests, 7152 SyntacticMatches, 8 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4098occurred in iteration=16, 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: 0.7s AutomataMinimizationTime, 17 MinimizatonAttempts, 2272 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 68 NumberOfFragments, 517 HoareAnnotationTreeSize, 3 FomulaSimplifications, 23282 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 5842 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 16.4s InterpolantComputationTime, 19187 NumberOfCodeBlocks, 19187 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 19162 ConstructedInterpolants, 0 QuantifiedInterpolants, 62778298 SizeOfPredicates, 13 NumberOfNonLiveVariables, 8741 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 25 InterpolantComputations, 13 PerfectInterpolantSequences, 70333/72067 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...