./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c -s /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer --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 d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:00:40,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:00:40,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:00:40,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:00:40,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:00:40,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:00:40,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:00:40,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:00:40,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:00:40,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:00:40,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:00:40,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:00:40,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:00:40,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:00:40,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:00:40,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:00:40,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:00:40,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:00:40,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:00:40,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:00:40,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:00:40,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:00:40,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:00:40,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:00:40,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:00:40,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:00:40,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:00:40,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:00:40,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:00:40,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:00:40,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:00:40,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:00:40,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:00:40,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:00:40,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:00:40,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:00:40,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:00:40,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:00:40,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:00:40,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:00:40,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:00:40,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:00:40,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:00:40,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:00:40,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:00:40,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:00:40,367 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:00:40,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:00:40,368 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:00:40,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:00:40,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:00:40,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:00:40,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:00:40,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:00:40,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:00:40,369 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:00:40,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:00:40,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:00:40,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:00:40,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:00:40,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:00:40,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:00:40,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:00:40,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:00:40,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:00:40,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:00:40,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:00:40,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:00:40,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:00:40,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:00:40,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer 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 -> d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc [2019-11-15 23:00:40,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:00:40,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:00:40,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:00:40,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:00:40,411 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:00:40,412 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c [2019-11-15 23:00:40,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/data/e0a6376eb/dcead1a5dced4a5891c822ead4558c17/FLAGf678fecff [2019-11-15 23:00:40,956 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:00:40,957 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/sv-benchmarks/c/eca-rers2012/Problem14_label55.c [2019-11-15 23:00:40,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/data/e0a6376eb/dcead1a5dced4a5891c822ead4558c17/FLAGf678fecff [2019-11-15 23:00:41,428 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/data/e0a6376eb/dcead1a5dced4a5891c822ead4558c17 [2019-11-15 23:00:41,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:00:41,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:00:41,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:00:41,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:00:41,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:00:41,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:00:41" (1/1) ... [2019-11-15 23:00:41,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f6fec81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:41, skipping insertion in model container [2019-11-15 23:00:41,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:00:41" (1/1) ... [2019-11-15 23:00:41,446 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:00:41,516 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:00:42,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:00:42,070 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:00:42,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:00:42,224 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:00:42,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:42 WrapperNode [2019-11-15 23:00:42,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:00:42,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:00:42,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:00:42,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:00:42,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:42" (1/1) ... [2019-11-15 23:00:42,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:42" (1/1) ... [2019-11-15 23:00:42,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:00:42,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:00:42,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:00:42,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:00:42,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:42" (1/1) ... [2019-11-15 23:00:42,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:42" (1/1) ... [2019-11-15 23:00:42,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:42" (1/1) ... [2019-11-15 23:00:42,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:42" (1/1) ... [2019-11-15 23:00:42,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:42" (1/1) ... [2019-11-15 23:00:42,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:42" (1/1) ... [2019-11-15 23:00:42,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:42" (1/1) ... [2019-11-15 23:00:42,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:00:42,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:00:42,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:00:42,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:00:42,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/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 [2019-11-15 23:00:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:00:42,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:00:43,775 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:00:43,775 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 23:00:43,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:00:43 BoogieIcfgContainer [2019-11-15 23:00:43,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:00:43,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:00:43,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:00:43,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:00:43,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:00:41" (1/3) ... [2019-11-15 23:00:43,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b18ae96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:00:43, skipping insertion in model container [2019-11-15 23:00:43,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:00:42" (2/3) ... [2019-11-15 23:00:43,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b18ae96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:00:43, skipping insertion in model container [2019-11-15 23:00:43,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:00:43" (3/3) ... [2019-11-15 23:00:43,786 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label55.c [2019-11-15 23:00:43,795 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:00:43,804 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:00:43,815 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:00:43,847 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:00:43,847 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:00:43,848 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:00:43,848 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:00:43,848 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:00:43,848 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:00:43,849 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:00:43,849 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:00:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-15 23:00:43,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-15 23:00:43,877 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:00:43,878 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:00:43,879 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:00:43,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:00:43,885 INFO L82 PathProgramCache]: Analyzing trace with hash -66916295, now seen corresponding path program 1 times [2019-11-15 23:00:43,892 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:00:43,893 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278361035] [2019-11-15 23:00:43,893 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:43,893 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:43,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:00:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:00:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:00:44,289 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278361035] [2019-11-15 23:00:44,290 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:00:44,290 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:00:44,291 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027041055] [2019-11-15 23:00:44,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:00:44,296 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:00:44,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:00:44,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:00:44,311 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 6 states. [2019-11-15 23:00:46,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:00:46,517 INFO L93 Difference]: Finished difference Result 852 states and 1560 transitions. [2019-11-15 23:00:46,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:00:46,518 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-11-15 23:00:46,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:00:46,535 INFO L225 Difference]: With dead ends: 852 [2019-11-15 23:00:46,535 INFO L226 Difference]: Without dead ends: 538 [2019-11-15 23:00:46,539 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:00:46,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-15 23:00:46,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-15 23:00:46,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-15 23:00:46,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions. [2019-11-15 23:00:46,659 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 57 [2019-11-15 23:00:46,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:00:46,661 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions. [2019-11-15 23:00:46,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:00:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions. [2019-11-15 23:00:46,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-15 23:00:46,676 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:00:46,676 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-15 23:00:46,677 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:00:46,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:00:46,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1784234753, now seen corresponding path program 1 times [2019-11-15 23:00:46,677 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:00:46,678 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521028714] [2019-11-15 23:00:46,678 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:46,678 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:46,678 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:00:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:00:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-15 23:00:46,894 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521028714] [2019-11-15 23:00:46,894 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:00:46,894 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:00:46,895 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719959202] [2019-11-15 23:00:46,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:00:46,898 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:00:46,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:00:46,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:00:46,899 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand 4 states. [2019-11-15 23:00:48,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:00:48,100 INFO L93 Difference]: Finished difference Result 1252 states and 1948 transitions. [2019-11-15 23:00:48,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:00:48,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 205 [2019-11-15 23:00:48,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:00:48,106 INFO L225 Difference]: With dead ends: 1252 [2019-11-15 23:00:48,106 INFO L226 Difference]: Without dead ends: 894 [2019-11-15 23:00:48,108 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:00:48,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2019-11-15 23:00:48,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2019-11-15 23:00:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2019-11-15 23:00:48,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1206 transitions. [2019-11-15 23:00:48,133 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1206 transitions. Word has length 205 [2019-11-15 23:00:48,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:00:48,134 INFO L462 AbstractCegarLoop]: Abstraction has 894 states and 1206 transitions. [2019-11-15 23:00:48,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:00:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1206 transitions. [2019-11-15 23:00:48,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-15 23:00:48,137 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:00:48,138 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2019-11-15 23:00:48,138 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:00:48,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:00:48,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1832078, now seen corresponding path program 1 times [2019-11-15 23:00:48,138 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:00:48,139 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022027229] [2019-11-15 23:00:48,139 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:48,139 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:48,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:00:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:00:48,392 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 158 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-15 23:00:48,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022027229] [2019-11-15 23:00:48,393 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103626866] [2019-11-15 23:00:48,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:00:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:00:48,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:00:48,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:00:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-15 23:00:48,584 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:00:48,584 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-15 23:00:48,584 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866356411] [2019-11-15 23:00:48,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:00:48,585 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:00:48,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:00:48,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:00:48,586 INFO L87 Difference]: Start difference. First operand 894 states and 1206 transitions. Second operand 3 states. [2019-11-15 23:00:49,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:00:49,381 INFO L93 Difference]: Finished difference Result 2320 states and 3245 transitions. [2019-11-15 23:00:49,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:00:49,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2019-11-15 23:00:49,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:00:49,397 INFO L225 Difference]: With dead ends: 2320 [2019-11-15 23:00:49,398 INFO L226 Difference]: Without dead ends: 1606 [2019-11-15 23:00:49,399 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:00:49,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2019-11-15 23:00:49,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1428. [2019-11-15 23:00:49,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-11-15 23:00:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1842 transitions. [2019-11-15 23:00:49,443 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1842 transitions. Word has length 228 [2019-11-15 23:00:49,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:00:49,445 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 1842 transitions. [2019-11-15 23:00:49,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:00:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1842 transitions. [2019-11-15 23:00:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-15 23:00:49,451 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:00:49,452 INFO L380 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, 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, 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] [2019-11-15 23:00:49,655 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:00:49,655 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:00:49,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:00:49,656 INFO L82 PathProgramCache]: Analyzing trace with hash -504251555, now seen corresponding path program 1 times [2019-11-15 23:00:49,656 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:00:49,657 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831359799] [2019-11-15 23:00:49,658 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:49,658 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:49,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:00:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:00:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 266 proven. 4 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-11-15 23:00:50,030 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831359799] [2019-11-15 23:00:50,030 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517556576] [2019-11-15 23:00:50,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:00:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:00:50,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 23:00:50,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:00:50,270 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 282 proven. 43 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-15 23:00:50,271 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:00:50,271 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2019-11-15 23:00:50,271 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881438166] [2019-11-15 23:00:50,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:00:50,273 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:00:50,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:00:50,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:00:50,273 INFO L87 Difference]: Start difference. First operand 1428 states and 1842 transitions. Second operand 8 states. [2019-11-15 23:00:53,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:00:53,439 INFO L93 Difference]: Finished difference Result 5238 states and 6957 transitions. [2019-11-15 23:00:53,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 23:00:53,440 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 327 [2019-11-15 23:00:53,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:00:53,459 INFO L225 Difference]: With dead ends: 5238 [2019-11-15 23:00:53,459 INFO L226 Difference]: Without dead ends: 3742 [2019-11-15 23:00:53,462 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 327 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:00:53,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-11-15 23:00:53,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 2674. [2019-11-15 23:00:53,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-11-15 23:00:53,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2906 transitions. [2019-11-15 23:00:53,528 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2906 transitions. Word has length 327 [2019-11-15 23:00:53,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:00:53,528 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 2906 transitions. [2019-11-15 23:00:53,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:00:53,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2906 transitions. [2019-11-15 23:00:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2019-11-15 23:00:53,545 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:00:53,546 INFO L380 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:00:53,754 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:00:53,755 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:00:53,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:00:53,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1151565879, now seen corresponding path program 1 times [2019-11-15 23:00:53,755 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:00:53,756 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295856220] [2019-11-15 23:00:53,756 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:53,756 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:53,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:00:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:00:54,807 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 645 proven. 4 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2019-11-15 23:00:54,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295856220] [2019-11-15 23:00:54,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842178406] [2019-11-15 23:00:54,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:00:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:00:54,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:00:54,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:00:55,236 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 521 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2019-11-15 23:00:55,237 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:00:55,237 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-15 23:00:55,237 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436957488] [2019-11-15 23:00:55,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:00:55,238 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:00:55,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:00:55,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:00:55,239 INFO L87 Difference]: Start difference. First operand 2674 states and 2906 transitions. Second operand 3 states. [2019-11-15 23:00:55,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:00:55,752 INFO L93 Difference]: Finished difference Result 6236 states and 6841 transitions. [2019-11-15 23:00:55,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:00:55,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 568 [2019-11-15 23:00:55,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:00:55,771 INFO L225 Difference]: With dead ends: 6236 [2019-11-15 23:00:55,771 INFO L226 Difference]: Without dead ends: 3742 [2019-11-15 23:00:55,774 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:00:55,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-11-15 23:00:55,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3564. [2019-11-15 23:00:55,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2019-11-15 23:00:55,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3902 transitions. [2019-11-15 23:00:55,853 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3902 transitions. Word has length 568 [2019-11-15 23:00:55,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:00:55,854 INFO L462 AbstractCegarLoop]: Abstraction has 3564 states and 3902 transitions. [2019-11-15 23:00:55,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:00:55,854 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3902 transitions. [2019-11-15 23:00:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2019-11-15 23:00:55,870 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:00:55,871 INFO L380 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, 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, 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, 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] [2019-11-15 23:00:56,074 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:00:56,075 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:00:56,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:00:56,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1789934183, now seen corresponding path program 1 times [2019-11-15 23:00:56,075 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:00:56,075 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305905592] [2019-11-15 23:00:56,075 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:56,076 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:56,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:00:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:00:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 761 proven. 4 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-15 23:00:57,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305905592] [2019-11-15 23:00:57,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135383572] [2019-11-15 23:00:57,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:00:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:00:57,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:00:57,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:00:57,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2019-11-15 23:00:57,495 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:00:57,495 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-15 23:00:57,495 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649226665] [2019-11-15 23:00:57,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:00:57,497 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:00:57,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:00:57,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:00:57,497 INFO L87 Difference]: Start difference. First operand 3564 states and 3902 transitions. Second operand 3 states. [2019-11-15 23:00:58,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:00:58,113 INFO L93 Difference]: Finished difference Result 7660 states and 8407 transitions. [2019-11-15 23:00:58,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:00:58,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 570 [2019-11-15 23:00:58,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:00:58,138 INFO L225 Difference]: With dead ends: 7660 [2019-11-15 23:00:58,138 INFO L226 Difference]: Without dead ends: 4276 [2019-11-15 23:00:58,143 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:00:58,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2019-11-15 23:00:58,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4098. [2019-11-15 23:00:58,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2019-11-15 23:00:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4470 transitions. [2019-11-15 23:00:58,226 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4470 transitions. Word has length 570 [2019-11-15 23:00:58,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:00:58,227 INFO L462 AbstractCegarLoop]: Abstraction has 4098 states and 4470 transitions. [2019-11-15 23:00:58,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:00:58,228 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4470 transitions. [2019-11-15 23:00:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2019-11-15 23:00:58,236 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:00:58,236 INFO L380 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, 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, 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] [2019-11-15 23:00:58,440 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:00:58,440 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:00:58,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:00:58,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1934055430, now seen corresponding path program 1 times [2019-11-15 23:00:58,441 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:00:58,441 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395305688] [2019-11-15 23:00:58,441 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:58,441 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:00:58,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:00:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:00:59,373 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 664 proven. 4 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-11-15 23:00:59,373 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395305688] [2019-11-15 23:00:59,374 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124892899] [2019-11-15 23:00:59,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:00:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:00:59,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 23:00:59,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:00:59,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:01:00,257 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 645 proven. 23 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-11-15 23:01:00,259 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:01:00,260 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2019-11-15 23:01:00,260 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331457094] [2019-11-15 23:01:00,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:01:00,262 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:01:00,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:01:00,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:01:00,263 INFO L87 Difference]: Start difference. First operand 4098 states and 4470 transitions. Second operand 8 states. [2019-11-15 23:01:02,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:01:02,620 INFO L93 Difference]: Finished difference Result 8981 states and 9750 transitions. [2019-11-15 23:01:02,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 23:01:02,620 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 582 [2019-11-15 23:01:02,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:01:02,651 INFO L225 Difference]: With dead ends: 8981 [2019-11-15 23:01:02,651 INFO L226 Difference]: Without dead ends: 5063 [2019-11-15 23:01:02,657 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 579 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2019-11-15 23:01:02,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5063 states. [2019-11-15 23:01:02,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5063 to 4276. [2019-11-15 23:01:02,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4276 states. [2019-11-15 23:01:02,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4649 transitions. [2019-11-15 23:01:02,774 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4649 transitions. Word has length 582 [2019-11-15 23:01:02,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:01:02,775 INFO L462 AbstractCegarLoop]: Abstraction has 4276 states and 4649 transitions. [2019-11-15 23:01:02,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:01:02,775 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4649 transitions. [2019-11-15 23:01:02,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2019-11-15 23:01:02,786 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:01:02,787 INFO L380 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, 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, 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, 1] [2019-11-15 23:01:02,992 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:01:02,992 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:01:02,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:01:02,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1751000691, now seen corresponding path program 1 times [2019-11-15 23:01:02,993 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:01:02,993 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678960137] [2019-11-15 23:01:02,993 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:02,993 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:02,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:01:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:01:03,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 1012 proven. 130 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-11-15 23:01:03,970 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678960137] [2019-11-15 23:01:03,971 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875575608] [2019-11-15 23:01:03,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:01:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:01:04,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 23:01:04,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:01:05,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 998 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2019-11-15 23:01:05,053 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:01:05,053 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2019-11-15 23:01:05,054 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286640646] [2019-11-15 23:01:05,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:01:05,055 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:01:05,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:01:05,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-11-15 23:01:05,056 INFO L87 Difference]: Start difference. First operand 4276 states and 4649 transitions. Second operand 5 states. [2019-11-15 23:01:06,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:01:06,342 INFO L93 Difference]: Finished difference Result 8615 states and 9369 transitions. [2019-11-15 23:01:06,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:01:06,343 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 687 [2019-11-15 23:01:06,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:01:06,366 INFO L225 Difference]: With dead ends: 8615 [2019-11-15 23:01:06,366 INFO L226 Difference]: Without dead ends: 4519 [2019-11-15 23:01:06,371 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 685 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2019-11-15 23:01:06,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2019-11-15 23:01:06,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 4454. [2019-11-15 23:01:06,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4454 states. [2019-11-15 23:01:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 4821 transitions. [2019-11-15 23:01:06,465 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 4821 transitions. Word has length 687 [2019-11-15 23:01:06,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:01:06,466 INFO L462 AbstractCegarLoop]: Abstraction has 4454 states and 4821 transitions. [2019-11-15 23:01:06,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:01:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 4821 transitions. [2019-11-15 23:01:06,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2019-11-15 23:01:06,476 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:01:06,476 INFO L380 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, 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, 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, 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] [2019-11-15 23:01:06,688 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:01:06,688 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:01:06,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:01:06,689 INFO L82 PathProgramCache]: Analyzing trace with hash -94662045, now seen corresponding path program 1 times [2019-11-15 23:01:06,689 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:01:06,689 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745234032] [2019-11-15 23:01:06,689 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:06,690 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:06,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:01:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:01:07,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1738 backedges. 1197 proven. 130 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-11-15 23:01:07,960 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745234032] [2019-11-15 23:01:07,960 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299882455] [2019-11-15 23:01:07,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:01:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:01:08,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 23:01:08,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:01:08,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1738 backedges. 1100 proven. 0 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2019-11-15 23:01:08,845 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:01:08,845 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2019-11-15 23:01:08,846 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162696315] [2019-11-15 23:01:08,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:01:08,847 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:01:08,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:01:08,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-11-15 23:01:08,847 INFO L87 Difference]: Start difference. First operand 4454 states and 4821 transitions. Second operand 7 states. [2019-11-15 23:01:09,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:01:09,843 INFO L93 Difference]: Finished difference Result 8778 states and 9511 transitions. [2019-11-15 23:01:09,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:01:09,843 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 689 [2019-11-15 23:01:09,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:01:09,886 INFO L225 Difference]: With dead ends: 8778 [2019-11-15 23:01:09,894 INFO L226 Difference]: Without dead ends: 4454 [2019-11-15 23:01:09,901 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 685 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-11-15 23:01:09,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2019-11-15 23:01:09,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 3920. [2019-11-15 23:01:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2019-11-15 23:01:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4206 transitions. [2019-11-15 23:01:09,983 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4206 transitions. Word has length 689 [2019-11-15 23:01:09,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:01:09,984 INFO L462 AbstractCegarLoop]: Abstraction has 3920 states and 4206 transitions. [2019-11-15 23:01:09,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:01:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4206 transitions. [2019-11-15 23:01:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2019-11-15 23:01:09,994 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:01:09,996 INFO L380 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, 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, 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] [2019-11-15 23:01:10,208 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:01:10,208 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:01:10,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:01:10,209 INFO L82 PathProgramCache]: Analyzing trace with hash 625493994, now seen corresponding path program 1 times [2019-11-15 23:01:10,209 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:01:10,209 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661827004] [2019-11-15 23:01:10,209 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:10,209 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:10,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:01:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:01:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1763 backedges. 1224 proven. 0 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2019-11-15 23:01:10,920 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661827004] [2019-11-15 23:01:10,920 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:01:10,921 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:01:10,921 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106424013] [2019-11-15 23:01:10,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:01:10,922 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:01:10,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:01:10,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:01:10,923 INFO L87 Difference]: Start difference. First operand 3920 states and 4206 transitions. Second operand 3 states. [2019-11-15 23:01:11,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:01:11,562 INFO L93 Difference]: Finished difference Result 8728 states and 9354 transitions. [2019-11-15 23:01:11,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:01:11,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 743 [2019-11-15 23:01:11,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:01:11,570 INFO L225 Difference]: With dead ends: 8728 [2019-11-15 23:01:11,571 INFO L226 Difference]: Without dead ends: 4988 [2019-11-15 23:01:11,575 INFO L600 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 [2019-11-15 23:01:11,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2019-11-15 23:01:11,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4988. [2019-11-15 23:01:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4988 states. [2019-11-15 23:01:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 5292 transitions. [2019-11-15 23:01:11,649 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 5292 transitions. Word has length 743 [2019-11-15 23:01:11,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:01:11,649 INFO L462 AbstractCegarLoop]: Abstraction has 4988 states and 5292 transitions. [2019-11-15 23:01:11,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:01:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 5292 transitions. [2019-11-15 23:01:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 804 [2019-11-15 23:01:11,659 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:01:11,660 INFO L380 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, 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, 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, 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] [2019-11-15 23:01:11,660 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:01:11,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:01:11,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1172038720, now seen corresponding path program 1 times [2019-11-15 23:01:11,661 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:01:11,661 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684903789] [2019-11-15 23:01:11,661 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:11,661 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:11,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:01:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:01:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1825 backedges. 1297 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2019-11-15 23:01:12,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684903789] [2019-11-15 23:01:12,228 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:01:12,229 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:01:12,229 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540834616] [2019-11-15 23:01:12,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:01:12,229 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:01:12,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:01:12,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:01:12,230 INFO L87 Difference]: Start difference. First operand 4988 states and 5292 transitions. Second operand 4 states. [2019-11-15 23:01:13,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:01:13,032 INFO L93 Difference]: Finished difference Result 10508 states and 11192 transitions. [2019-11-15 23:01:13,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:01:13,032 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 803 [2019-11-15 23:01:13,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:01:13,041 INFO L225 Difference]: With dead ends: 10508 [2019-11-15 23:01:13,041 INFO L226 Difference]: Without dead ends: 5700 [2019-11-15 23:01:13,046 INFO L600 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 [2019-11-15 23:01:13,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2019-11-15 23:01:13,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5166. [2019-11-15 23:01:13,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2019-11-15 23:01:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5460 transitions. [2019-11-15 23:01:13,120 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5460 transitions. Word has length 803 [2019-11-15 23:01:13,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:01:13,121 INFO L462 AbstractCegarLoop]: Abstraction has 5166 states and 5460 transitions. [2019-11-15 23:01:13,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:01:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5460 transitions. [2019-11-15 23:01:13,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2019-11-15 23:01:13,132 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:01:13,133 INFO L380 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, 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, 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, 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] [2019-11-15 23:01:13,133 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:01:13,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:01:13,134 INFO L82 PathProgramCache]: Analyzing trace with hash -826422406, now seen corresponding path program 1 times [2019-11-15 23:01:13,134 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:01:13,134 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012787610] [2019-11-15 23:01:13,135 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:13,135 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:13,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:01:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:01:13,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3089 backedges. 1141 proven. 0 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2019-11-15 23:01:13,958 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012787610] [2019-11-15 23:01:13,959 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:01:13,959 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:01:13,959 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997357019] [2019-11-15 23:01:13,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:01:13,960 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:01:13,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:01:13,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:01:13,961 INFO L87 Difference]: Start difference. First operand 5166 states and 5460 transitions. Second operand 4 states. [2019-11-15 23:01:14,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:01:14,671 INFO L93 Difference]: Finished difference Result 10330 states and 10918 transitions. [2019-11-15 23:01:14,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:01:14,671 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 993 [2019-11-15 23:01:14,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:01:14,680 INFO L225 Difference]: With dead ends: 10330 [2019-11-15 23:01:14,680 INFO L226 Difference]: Without dead ends: 5166 [2019-11-15 23:01:14,686 INFO L600 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 [2019-11-15 23:01:14,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2019-11-15 23:01:14,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 5166. [2019-11-15 23:01:14,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2019-11-15 23:01:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5441 transitions. [2019-11-15 23:01:14,755 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5441 transitions. Word has length 993 [2019-11-15 23:01:14,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:01:14,756 INFO L462 AbstractCegarLoop]: Abstraction has 5166 states and 5441 transitions. [2019-11-15 23:01:14,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:01:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5441 transitions. [2019-11-15 23:01:14,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2019-11-15 23:01:14,770 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:01:14,771 INFO L380 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, 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, 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] [2019-11-15 23:01:14,771 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:01:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:01:14,772 INFO L82 PathProgramCache]: Analyzing trace with hash 2022978308, now seen corresponding path program 1 times [2019-11-15 23:01:14,772 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:01:14,772 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247042854] [2019-11-15 23:01:14,772 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:14,772 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:14,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:01:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:01:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3740 backedges. 1271 proven. 0 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2019-11-15 23:01:15,949 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247042854] [2019-11-15 23:01:15,949 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:01:15,949 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:01:15,949 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524685155] [2019-11-15 23:01:15,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:01:15,950 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:01:15,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:01:15,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:01:15,951 INFO L87 Difference]: Start difference. First operand 5166 states and 5441 transitions. Second operand 4 states. [2019-11-15 23:01:16,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:01:16,698 INFO L93 Difference]: Finished difference Result 10508 states and 11077 transitions. [2019-11-15 23:01:16,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:01:16,698 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1068 [2019-11-15 23:01:16,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:01:16,706 INFO L225 Difference]: With dead ends: 10508 [2019-11-15 23:01:16,707 INFO L226 Difference]: Without dead ends: 5166 [2019-11-15 23:01:16,712 INFO L600 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 [2019-11-15 23:01:16,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2019-11-15 23:01:16,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 4632. [2019-11-15 23:01:16,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2019-11-15 23:01:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4789 transitions. [2019-11-15 23:01:16,775 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4789 transitions. Word has length 1068 [2019-11-15 23:01:16,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:01:16,776 INFO L462 AbstractCegarLoop]: Abstraction has 4632 states and 4789 transitions. [2019-11-15 23:01:16,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:01:16,777 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4789 transitions. [2019-11-15 23:01:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1117 [2019-11-15 23:01:16,791 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:01:16,792 INFO L380 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, 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, 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] [2019-11-15 23:01:16,792 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:01:16,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:01:16,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1857606004, now seen corresponding path program 1 times [2019-11-15 23:01:16,793 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:01:16,793 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114505975] [2019-11-15 23:01:16,793 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:16,794 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:01:16,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:01:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:01:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3977 backedges. 1311 proven. 0 refuted. 0 times theorem prover too weak. 2666 trivial. 0 not checked. [2019-11-15 23:01:17,768 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114505975] [2019-11-15 23:01:17,768 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:01:17,768 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:01:17,768 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832970126] [2019-11-15 23:01:17,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:01:17,769 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:01:17,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:01:17,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:01:17,770 INFO L87 Difference]: Start difference. First operand 4632 states and 4789 transitions. Second operand 5 states. [2019-11-15 23:01:18,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:01:18,708 INFO L93 Difference]: Finished difference Result 10328 states and 10680 transitions. [2019-11-15 23:01:18,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:01:18,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1116 [2019-11-15 23:01:18,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:01:18,709 INFO L225 Difference]: With dead ends: 10328 [2019-11-15 23:01:18,709 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:01:18,716 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:01:18,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:01:18,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:01:18,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:01:18,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:01:18,717 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1116 [2019-11-15 23:01:18,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:01:18,717 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:01:18,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:01:18,717 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:01:18,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:01:18,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:01:18,964 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 166 [2019-11-15 23:01:19,158 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 166 [2019-11-15 23:01:19,767 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 39 [2019-11-15 23:01:20,356 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 39 [2019-11-15 23:01:20,359 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-15 23:01:20,359 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-15 23:01:20,359 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,359 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,359 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,360 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-15 23:01:20,360 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-15 23:01:20,360 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-15 23:01:20,360 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-15 23:01:20,360 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-15 23:01:20,360 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-15 23:01:20,360 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-15 23:01:20,360 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-15 23:01:20,360 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,360 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,360 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,361 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-15 23:01:20,361 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-15 23:01:20,361 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-15 23:01:20,361 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-15 23:01:20,361 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-15 23:01:20,361 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-15 23:01:20,361 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-15 23:01:20,362 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-15 23:01:20,362 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,362 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,362 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,362 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2019-11-15 23:01:20,362 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-15 23:01:20,362 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-15 23:01:20,362 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-15 23:01:20,362 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-15 23:01:20,363 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-15 23:01:20,363 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-15 23:01:20,363 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-15 23:01:20,363 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-15 23:01:20,363 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-15 23:01:20,363 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,363 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,363 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,363 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-15 23:01:20,363 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-15 23:01:20,363 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-15 23:01:20,363 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-15 23:01:20,364 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-15 23:01:20,364 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-15 23:01:20,364 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-15 23:01:20,364 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,364 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,364 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,364 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-15 23:01:20,364 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-15 23:01:20,364 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-15 23:01:20,364 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-15 23:01:20,364 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-15 23:01:20,364 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-15 23:01:20,365 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-15 23:01:20,366 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,367 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,368 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,368 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-15 23:01:20,368 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-15 23:01:20,368 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-15 23:01:20,368 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-15 23:01:20,368 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-15 23:01:20,368 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-15 23:01:20,368 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-15 23:01:20,368 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-15 23:01:20,368 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,368 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,368 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,369 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-15 23:01:20,369 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-15 23:01:20,369 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-15 23:01:20,369 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-15 23:01:20,369 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-15 23:01:20,369 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-15 23:01:20,371 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:01:20,371 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-15 23:01:20,371 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-15 23:01:20,371 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-15 23:01:20,372 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-15 23:01:20,373 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-15 23:01:20,374 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,374 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,374 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-15 23:01:20,374 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-15 23:01:20,374 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-15 23:01:20,374 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-15 23:01:20,374 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-15 23:01:20,374 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-15 23:01:20,374 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,375 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,375 INFO L439 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse0 (not (= 7 ~a15~0))) (.cse2 (< 80 ~a12~0)) (.cse6 (<= 8 ~a21~0)) (.cse5 (<= ~a12~0 95442)) (.cse7 (<= ~a12~0 80)) (.cse4 (<= ~a21~0 6)) (.cse1 (= ~a24~0 1)) (.cse3 (<= ~a15~0 8))) (or (and .cse0 .cse1 (= ~a21~0 7) .cse2) (and .cse1 (= ~a21~0 10) .cse3) (and .cse1 .cse4 .cse5) (and .cse1 .cse6 (<= ~a12~0 11)) (and .cse1 .cse3 .cse4) (and .cse7 .cse1 .cse3) (and (<= ~a21~0 8) .cse6 .cse1) (and .cse0 .cse1 .cse6 .cse2) (and .cse6 .cse1 .cse3 .cse5) (and .cse7 .cse3 .cse4) (and .cse1 .cse3 (= ~a21~0 9)))) [2019-11-15 23:01:20,375 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-15 23:01:20,375 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-15 23:01:20,376 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-15 23:01:20,376 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-15 23:01:20,376 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-15 23:01:20,376 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-15 23:01:20,376 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-15 23:01:20,376 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-15 23:01:20,376 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,376 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,377 INFO L446 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-15 23:01:20,377 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-15 23:01:20,377 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-15 23:01:20,377 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-15 23:01:20,377 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-15 23:01:20,377 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-15 23:01:20,377 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-15 23:01:20,378 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-15 23:01:20,378 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,378 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,378 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-15 23:01:20,378 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-15 23:01:20,378 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-15 23:01:20,378 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-15 23:01:20,379 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:01:20,379 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-15 23:01:20,379 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-15 23:01:20,379 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,379 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,379 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-15 23:01:20,379 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,379 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-15 23:01:20,380 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (not (= 7 ~a15~0))) (.cse2 (< 80 ~a12~0)) (.cse6 (<= 8 ~a21~0)) (.cse5 (<= ~a12~0 95442)) (.cse7 (<= ~a12~0 80)) (.cse4 (<= ~a21~0 6)) (.cse1 (= ~a24~0 1)) (.cse3 (<= ~a15~0 8))) (or (and .cse0 .cse1 (= ~a21~0 7) .cse2) (and .cse1 (= ~a21~0 10) .cse3) (and .cse1 .cse4 .cse5) (and .cse1 .cse6 (<= ~a12~0 11)) (and .cse1 .cse3 .cse4) (and .cse7 .cse1 .cse3) (and (<= ~a21~0 8) .cse6 .cse1) (and .cse0 .cse1 .cse6 .cse2) (and .cse6 .cse1 .cse3 .cse5) (and .cse7 .cse3 .cse4) (and .cse1 .cse3 (= ~a21~0 9)))) [2019-11-15 23:01:20,380 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-15 23:01:20,380 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-15 23:01:20,380 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-15 23:01:20,380 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-15 23:01:20,380 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-15 23:01:20,380 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-15 23:01:20,380 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-15 23:01:20,380 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-15 23:01:20,380 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,381 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-15 23:01:20,382 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-15 23:01:20,383 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-15 23:01:20,383 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-15 23:01:20,383 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-15 23:01:20,383 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,383 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,383 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:01:20,383 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-15 23:01:20,383 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-15 23:01:20,383 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-15 23:01:20,383 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-15 23:01:20,383 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-15 23:01:20,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:01:20 BoogieIcfgContainer [2019-11-15 23:01:20,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:01:20,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:01:20,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:01:20,402 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:01:20,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:00:43" (3/4) ... [2019-11-15 23:01:20,406 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:01:20,427 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 23:01:20,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 23:01:20,603 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_430b5dab-34c1-494c-8b1d-54352273fc39/bin/uautomizer/witness.graphml [2019-11-15 23:01:20,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:01:20,604 INFO L168 Benchmark]: Toolchain (without parser) took 39172.67 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.1 GB). Free memory was 944.7 MB in the beginning and 1.8 GB in the end (delta: -903.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2019-11-15 23:01:20,605 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:01:20,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:01:20,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.58 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. [2019-11-15 23:01:20,606 INFO L168 Benchmark]: Boogie Preprocessor took 113.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:01:20,606 INFO L168 Benchmark]: RCFGBuilder took 1344.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.9 MB in the end (delta: 128.3 MB). Peak memory consumption was 128.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:01:20,607 INFO L168 Benchmark]: TraceAbstraction took 36624.05 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 945.9 MB in the beginning and 1.9 GB in the end (delta: -963.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2019-11-15 23:01:20,607 INFO L168 Benchmark]: Witness Printer took 201.23 ms. Allocated memory is still 3.2 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:01:20,610 INFO L335 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 792.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.58 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. * Boogie Preprocessor took 113.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1344.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.9 MB in the end (delta: 128.3 MB). Peak memory consumption was 128.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36624.05 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 945.9 MB in the beginning and 1.9 GB in the end (delta: -963.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 201.23 ms. Allocated memory is still 3.2 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: ((((((((((((!(7 == a15) && a24 == 1) && a21 == 7) && 80 < a12) || ((a24 == 1 && a21 == 10) && a15 <= 8)) || ((a24 == 1 && a21 <= 6) && a12 <= 95442)) || ((a24 == 1 && 8 <= a21) && a12 <= 11)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || ((a12 <= 80 && a24 == 1) && a15 <= 8)) || ((a21 <= 8 && 8 <= a21) && a24 == 1)) || (((!(7 == a15) && a24 == 1) && 8 <= a21) && 80 < a12)) || (((8 <= a21 && a24 == 1) && a15 <= 8) && a12 <= 95442)) || ((a12 <= 80 && a15 <= 8) && a21 <= 6)) || ((a24 == 1 && a15 <= 8) && a21 == 9) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((((((!(7 == a15) && a24 == 1) && a21 == 7) && 80 < a12) || ((a24 == 1 && a21 == 10) && a15 <= 8)) || ((a24 == 1 && a21 <= 6) && a12 <= 95442)) || ((a24 == 1 && 8 <= a21) && a12 <= 11)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || ((a12 <= 80 && a24 == 1) && a15 <= 8)) || ((a21 <= 8 && 8 <= a21) && a24 == 1)) || (((!(7 == a15) && a24 == 1) && 8 <= a21) && 80 < a12)) || (((8 <= a21 && a24 == 1) && a15 <= 8) && a12 <= 95442)) || ((a12 <= 80 && a15 <= 8) && a21 <= 6)) || ((a24 == 1 && a15 <= 8) && a21 == 9) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 36.5s, OverallIterations: 14, TraceHistogramMax: 10, AutomataDifference: 17.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, HoareTripleCheckerStatistics: 1012 SDtfs, 5265 SDslu, 172 SDs, 0 SdLazy, 12974 SolverSat, 2275 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3731 GetRequests, 3652 SyntacticMatches, 5 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5166occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 4056 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 86 NumberOfFragments, 245 HoareAnnotationTreeSize, 3 FomulaSimplifications, 12466 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7454 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 12287 NumberOfCodeBlocks, 12287 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 12266 ConstructedInterpolants, 0 QuantifiedInterpolants, 23991815 SizeOfPredicates, 18 NumberOfNonLiveVariables, 4566 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 21 InterpolantComputations, 12 PerfectInterpolantSequences, 27460/27806 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...